[ONOS-4829] Augmented data method generator implmentation.

Change-Id: I0cb68dd10a748e5b66eec0b832574f408a23ba5c

@@ -15,8 +15,10 @@
  */
 package org.onosproject.yangutils.datamodel;
 
+import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 
 import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
 import org.onosproject.yangutils.datamodel.utils.Parsable;
@@ -83,7 +85,7 @@ import static org.onosproject.yangutils.datamodel.utils.DataModelUtils.detectCol
 public class YangAugment
         extends YangNode
         implements YangLeavesHolder, YangCommonInfo, Parsable, CollisionDetector, YangAugmentedInfo, Resolvable,
-        YangXPathResolver, YangWhenHolder, YangIfFeatureHolder  {
+        YangXPathResolver, YangWhenHolder, YangIfFeatureHolder {
 
     private static final long serialVersionUID = 806201602L;
 
@@ -128,9 +130,13 @@ public class YangAugment
     private YangNode augmentedNode;
 
     /**
-     * Status of resolution. If completely resolved enum value is "RESOLVED",
-     * if not enum value is "UNRESOLVED", in case reference of grouping/typedef
-     * is added to uses/type but it's not resolved value of enum should be
+     * All resolved nodes in given xPath.
+     */
+    private Map<YangAtomicPath, YangNode> resolveNodeInPath;
+
+    /**
+     * Status of resolution. If completely resolved enum value is "RESOLVED", if not enum value is "UNRESOLVED", in case
+     * reference of grouping/typedef is added to uses/type but it's not resolved value of enum should be
      * "INTRA_FILE_RESOLVED".
      */
     private ResolvableStatus resolvableStatus;
@@ -150,6 +156,7 @@ public class YangAugment
      */
     public YangAugment() {
         super(YangNodeType.AUGMENT_NODE);
+        resolveNodeInPath = new HashMap<>();
         resolvableStatus = ResolvableStatus.UNRESOLVED;
     }
 
@@ -411,6 +418,11 @@ public class YangAugment
     }
 
     @Override
+    public void setIfFeatureList(List<YangIfFeature> ifFeatureList) {
+        this.ifFeatureList = ifFeatureList;
+    }
+
+    @Override
     public void addIfFeatureList(YangIfFeature ifFeature) {
         if (getIfFeatureList() == null) {
             setIfFeatureList(new LinkedList<>());
@@ -419,11 +431,6 @@ public class YangAugment
     }
 
     @Override
-    public void setIfFeatureList(List<YangIfFeature> ifFeatureList) {
-        this.ifFeatureList = ifFeatureList;
-    }
-
-    @Override
     public ResolvableStatus getResolvableStatus() {
         return resolvableStatus;
     }
@@ -438,4 +445,22 @@ public class YangAugment
     public void resolve() throws DataModelException {
         // Resolving of target node is being done in XPathLinker.
     }
+
+    /**
+     * Returns all resolved node in path.
+     *
+     * @return all resolved node in path
+     */
+    public Map<YangAtomicPath, YangNode> getResolveNodeInPath() {
+        return resolveNodeInPath;
+    }
+
+    /**
+     * Sets all resolved node in path.
+     *
+     * @param resolveNodeInPath all resolved node in path
+     */
+    public void setResolveNodeInPath(Map<YangAtomicPath, YangNode> resolveNodeInPath) {
+        this.resolveNodeInPath = resolveNodeInPath;
+    }
 }

@@ -406,7 +406,7 @@ public class YangContainer
      * Sets the config's value to all leaf if leaf's config statement is not
      * specified.
      *
-     * @param leaves list of leaf attributes of container
+     * @param leaves    list of leaf attributes of container
      * @param leafLists list of leaf-list attributes of container
      */
     private void setDefaultConfigValueToChild(List<YangLeaf> leaves, List<YangLeafList> leafLists) {
@@ -439,7 +439,7 @@ public class YangContainer
     /**
      * Validates config statement of container.
      *
-     * @param leaves list of leaf attributes of container
+     * @param leaves    list of leaf attributes of container
      * @param leafLists list of leaf-list attributes of container
      * @throws DataModelException a violation of data model rules
      */

@@ -144,7 +144,6 @@ public class YangInput
         listOfLeaf = leafsList;
     }
 
-
     @Override
     public void addLeaf(YangLeaf leaf) {
         getListOfLeaf().add(leaf);

@@ -158,7 +158,6 @@ public class YangOutput
         this.listOfLeafList = listOfLeafList;
     }
 
-
     @Override
     public void addLeafList(YangLeafList leafList) {
         getListOfLeafList().add(leafList);

@@ -349,6 +349,7 @@ public final class DataModelUtils {
      * type info needs to be updated to the cloned new type node.
      *
      * @param leavesHolder cloned leaves holder, for whom the leaves reference needs to be updated
+     * @throws DataModelException when fails to do data model operations
      */
     public static void updateClonedLeavesUnionEnumRef(YangLeavesHolder leavesHolder) throws DataModelException {
         List<YangLeaf> currentListOfLeaves = leavesHolder.getListOfLeaf();

@@ -14,7 +14,7 @@
   ~ limitations under the License.
   -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
@@ -33,7 +33,7 @@
     </properties>
 
     <dependencies>
-        <dependency>
+         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>yangutils-datamodel</artifactId>
             <version>1.7.0-SNAPSHOT</version>

+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.linker.impl;
+
+/**
+ * Enum for prefix resolver type when augment has come in path.
+ */
+public enum PrefixResolverType {
+
+    /**
+     * When prefix changes from inter file to intra file.
+     */
+    INTER_TO_INTRA,
+
+    /**
+     * When prefix changes from intra file to inter file.
+     */
+    INTRA_TO_INTER,
+
+    /**
+     * When prefix changes from one inter file to other inter file.
+     */
+    INTER_TO_INTER,
+
+    /**
+     * When no prefix change occurres.
+     */
+    NO_PREFIX_CHANGE_FOR_INTRA,
+
+    /**
+     * When no prefix change occurres.
+     */
+    NO_PREFIX_CHANGE_FOR_INTER
+}

@@ -21,6 +21,7 @@ import java.util.List;
 import org.onosproject.yangutils.datamodel.YangAugment;
 import org.onosproject.yangutils.datamodel.YangAugmentableNode;
 import org.onosproject.yangutils.datamodel.YangAugmentedInfo;
+import org.onosproject.yangutils.datamodel.YangChoice;
 import org.onosproject.yangutils.datamodel.YangLeaf;
 import org.onosproject.yangutils.datamodel.YangLeafList;
 import org.onosproject.yangutils.datamodel.YangLeavesHolder;
@@ -36,8 +37,7 @@ public final class YangLinkerUtils {
     }
 
     /**
-     * Detects collision between target nodes leaf/leaf-list or child node with
-     * augmented leaf/leaf-list or child node.
+     * Detects collision between target nodes leaf/leaf-list or child node with augmented leaf/leaf-list or child node.
      *
      * @param targetNode target node
      * @param augment    augment node
@@ -46,57 +46,66 @@ public final class YangLinkerUtils {
         YangNode targetNodesChild = targetNode.getChild();
         YangNode augmentsChild = augment.getChild();
         YangLeavesHolder augmentsLeavesHolder = augment;
-        YangLeavesHolder targetNodesLeavesHolder = (YangLeavesHolder) targetNode;
-
-        YangNode parent = targetNode;
-        if (targetNode instanceof YangAugment) {
-            parent = targetNode.getParent();
+        if (targetNode instanceof YangChoice) {
+            if (augmentsLeavesHolder.getListOfLeaf() != null
+                    || augmentsLeavesHolder.getListOfLeafList() != null) {
+                throw new LinkerException("target node " + targetNode.getName()
+                        + "is a instance of choice. it can " +
+                        "only be augmented with leaf using a case node.");
+            }
         } else {
-            while (parent.getParent() != null) {
-                parent = parent.getParent();
+            YangLeavesHolder targetNodesLeavesHolder = (YangLeavesHolder) targetNode;
+
+            YangNode parent = targetNode;
+            if (targetNode instanceof YangAugment) {
+                parent = targetNode.getParent();
+            } else {
+                while (parent.getParent() != null) {
+                    parent = parent.getParent();
+                }
             }
-        }
-        if (augmentsLeavesHolder.getListOfLeaf() != null && augmentsLeavesHolder.getListOfLeaf().size() != 0
-                && targetNodesLeavesHolder.getListOfLeaf() != null) {
-            for (YangLeaf leaf : augmentsLeavesHolder.getListOfLeaf()) {
-                for (YangLeaf targetLeaf : targetNodesLeavesHolder.getListOfLeaf()) {
-                    if (targetLeaf.getName().equals(leaf.getName())) {
-                        throw new LinkerException("target node " + targetNode.getName()
-                                + " contains augmented leaf " + leaf.getName() + " in module "
-                                + parent.getName());
+            if (augmentsLeavesHolder.getListOfLeaf() != null && augmentsLeavesHolder.getListOfLeaf().size() != 0
+                    && targetNodesLeavesHolder.getListOfLeaf() != null) {
+                for (YangLeaf leaf : augmentsLeavesHolder.getListOfLeaf()) {
+                    for (YangLeaf targetLeaf : targetNodesLeavesHolder.getListOfLeaf()) {
+                        if (targetLeaf.getName().equals(leaf.getName())) {
+                            throw new LinkerException("target node " + targetNode.getName()
+                                    + " contains augmented leaf " + leaf.getName() + " in module "
+                                    + parent.getName());
+                        }
                     }
                 }
-            }
-        } else if (augmentsLeavesHolder.getListOfLeafList() != null
-                && augmentsLeavesHolder.getListOfLeafList().size() != 0
-                && targetNodesLeavesHolder.getListOfLeafList() != null) {
-            for (YangLeafList leafList : augmentsLeavesHolder.getListOfLeafList()) {
-                for (YangLeafList targetLeafList : targetNodesLeavesHolder.getListOfLeafList()) {
-                    if (targetLeafList.getName().equals(leafList.getName())) {
-                        throw new LinkerException("target node " + targetNode.getName()
-                                + " contains augmented leaf-list" + leafList.getName() + " in module "
-                                + parent.getName());
+            } else if (augmentsLeavesHolder.getListOfLeafList() != null
+                    && augmentsLeavesHolder.getListOfLeafList().size() != 0
+                    && targetNodesLeavesHolder.getListOfLeafList() != null) {
+                for (YangLeafList leafList : augmentsLeavesHolder.getListOfLeafList()) {
+                    for (YangLeafList targetLeafList : targetNodesLeavesHolder.getListOfLeafList()) {
+                        if (targetLeafList.getName().equals(leafList.getName())) {
+                            throw new LinkerException("target node " + targetNode.getName()
+                                    + " contains augmented leaf-list" + leafList.getName() + " in module "
+                                    + parent.getName());
+                        }
                     }
                 }
-            }
-        } else {
-            while (augmentsChild != null) {
-                while (targetNodesChild != null) {
-                    if (targetNodesChild.getName().equals(augmentsChild.getName())) {
-                        throw new LinkerException("target node " + targetNode.getName()
-                                + " contains augmented child node" + augmentsChild.getName() + " in module "
-                                + parent.getName());
+            } else {
+                while (augmentsChild != null) {
+                    while (targetNodesChild != null) {
+                        if (targetNodesChild.getName().equals(augmentsChild.getName())) {
+                            throw new LinkerException("target node " + targetNode.getName()
+                                    + " contains augmented child node" + augmentsChild.getName() + " in module "
+                                    + parent.getName());
+                        }
+                        targetNodesChild = targetNodesChild.getNextSibling();
                     }
-                    targetNodesChild = targetNodesChild.getNextSibling();
+                    augmentsChild = augmentsChild.getNextSibling();
                 }
-                augmentsChild = augmentsChild.getNextSibling();
             }
         }
     }
 
     /**
-     * Detects collision between target nodes and its all leaf/leaf-list or child node with
-     * augmented leaf/leaf-list or child node.
+     * Detects collision between target nodes and its all leaf/leaf-list or child node with augmented leaf/leaf-list or
+     * child node.
      *
      * @param targetNode target node
      * @param augment    augment node

@@ -32,9 +32,9 @@ import org.onosproject.yangutils.datamodel.YangEntityToResolveInfo;
 import org.onosproject.yangutils.datamodel.YangFeature;
 import org.onosproject.yangutils.datamodel.YangFeatureHolder;
 import org.onosproject.yangutils.datamodel.YangGrouping;
-import org.onosproject.yangutils.datamodel.YangIfFeature;
 import org.onosproject.yangutils.datamodel.YangIdentity;
 import org.onosproject.yangutils.datamodel.YangIdentityRef;
+import org.onosproject.yangutils.datamodel.YangIfFeature;
 import org.onosproject.yangutils.datamodel.YangImport;
 import org.onosproject.yangutils.datamodel.YangInclude;
 import org.onosproject.yangutils.datamodel.YangInput;
@@ -73,16 +73,16 @@ import static org.onosproject.yangutils.datamodel.utils.ResolvableStatus.UNRESOL
 import static org.onosproject.yangutils.linker.YangLinkingPhase.INTER_FILE;
 import static org.onosproject.yangutils.linker.YangLinkingPhase.INTRA_FILE;
 import static org.onosproject.yangutils.linker.impl.YangLinkerUtils.detectCollisionForAugmentedNode;
+import static org.onosproject.yangutils.utils.UtilConstants.BASE_LINKER_ERROR;
 import static org.onosproject.yangutils.utils.UtilConstants.FEATURE_LINKER_ERROR;
 import static org.onosproject.yangutils.utils.UtilConstants.GROUPING_LINKER_ERROR;
+import static org.onosproject.yangutils.utils.UtilConstants.IDENTITYREF;
+import static org.onosproject.yangutils.utils.UtilConstants.IDENTITYREF_LINKER_ERROR;
 import static org.onosproject.yangutils.utils.UtilConstants.INPUT;
 import static org.onosproject.yangutils.utils.UtilConstants.LEAFREF;
-import static org.onosproject.yangutils.utils.UtilConstants.IDENTITYREF;
 import static org.onosproject.yangutils.utils.UtilConstants.LEAFREF_LINKER_ERROR;
 import static org.onosproject.yangutils.utils.UtilConstants.OUTPUT;
 import static org.onosproject.yangutils.utils.UtilConstants.TYPEDEF_LINKER_ERROR;
-import static org.onosproject.yangutils.utils.UtilConstants.IDENTITYREF_LINKER_ERROR;
-import static org.onosproject.yangutils.utils.UtilConstants.BASE_LINKER_ERROR;
 
 /**
  * Represents implementation of resolution object which will be resolved by
@@ -128,7 +128,6 @@ public class YangResolutionInfoImpl<T>
      */
     @SuppressWarnings("unused")
     private YangResolutionInfoImpl() {
-
     }
 
     /**
@@ -153,7 +152,6 @@ public class YangResolutionInfoImpl<T>
             throws DataModelException {
 
         setCurReferenceResolver(dataModelRootNode);
-
         /**
          * Current node to resolve, it can be a YANG type, YANG uses or YANG if-feature or
          * YANG leafref or YANG base or YANG identityref.
@@ -173,7 +171,6 @@ public class YangResolutionInfoImpl<T>
             throw new DataModelException("Data Model Exception: Entity to resolved is other than " +
                     "type/uses/if-feature/leafref/base/identityref");
         }
-
         // Push the initial entity to resolve in stack.
         addInPartialResolvedStack(getEntityToResolveInfo());
 
@@ -191,7 +188,6 @@ public class YangResolutionInfoImpl<T>
             throws DataModelException {
 
         while (getPartialResolvedStack().size() != 0) {
-
             /**
              * Current node to resolve, it can be a YANG type or YANG uses or
              * YANG if-feature or YANG leafref or YANG base or YANG identityref.
@@ -1479,6 +1475,7 @@ public class YangResolutionInfoImpl<T>
                     detectCollisionForAugmentedNode(targetNode, augment);
                     ((YangAugmentableNode) targetNode).addAugmentation(augment);
                     augment.setAugmentedNode(targetNode);
+                    augment.setResolveNodeInPath(xPathLinker.getResolvedNodes());
                     Resolvable resolvable = (Resolvable) entityToResolve;
                     resolvable.setResolvableStatus(RESOLVED);
                 } else {

@@ -34,9 +34,14 @@ import org.onosproject.yangutils.datamodel.YangModule;
 import org.onosproject.yangutils.datamodel.YangNode;
 import org.onosproject.yangutils.datamodel.YangNodeIdentifier;
 import org.onosproject.yangutils.datamodel.YangSubModule;
-import org.onosproject.yangutils.datamodel.YangUses;
 import org.onosproject.yangutils.linker.exceptions.LinkerException;
 
+import static org.onosproject.yangutils.linker.impl.PrefixResolverType.INTER_TO_INTER;
+import static org.onosproject.yangutils.linker.impl.PrefixResolverType.INTER_TO_INTRA;
+import static org.onosproject.yangutils.linker.impl.PrefixResolverType.INTRA_TO_INTER;
+import static org.onosproject.yangutils.linker.impl.PrefixResolverType.NO_PREFIX_CHANGE_FOR_INTER;
+import static org.onosproject.yangutils.linker.impl.PrefixResolverType.NO_PREFIX_CHANGE_FOR_INTRA;
+
 /**
  * Represents x-path linking.
  *
@@ -44,40 +49,9 @@ import org.onosproject.yangutils.linker.exceptions.LinkerException;
  */
 public class YangXpathLinker<T> {
 
-    /**
-     * Enum for prefix resolver type when augment has come in path.
-     */
-    private static enum PrefixResolverType {
-
-        /**
-         * When prefix changes from inter file to intra file.
-         */
-        INTER_TO_INTRA,
-
-        /**
-         * When prefix changes from intra file to inter file.
-         */
-        INTRA_TO_INTER,
-
-        /**
-         * When prefix changes from one inter file to other inter file.
-         */
-        INTER_TO_INTER,
-
-        /**
-         * When no prefix change occurres.
-         */
-        NO_PREFIX_CHANGE_FOR_INTRA,
-
-        /**
-         * When no prefix change occurres.
-         */
-        NO_PREFIX_CHANGE_FOR_INTER
-    }
-
     private List<YangAtomicPath> absPaths;
     private YangNode rootNode;
-    private PrefixResolverType type;
+    private Map<YangAtomicPath, PrefixResolverType> prefixResolverTypes;
     private String curPrefix;
     private Map<YangAtomicPath, YangNode> resolvedNodes;
 
@@ -90,6 +64,34 @@ public class YangXpathLinker<T> {
     }
 
     /**
+     * Returns prefix resolver list.
+     *
+     * @return prefix resolver list
+     */
+    public Map<YangAtomicPath, PrefixResolverType> getPrefixResolverTypes() {
+        return prefixResolverTypes;
+    }
+
+    /**
+     * Sets prefix resolver list.
+     *
+     * @param prefixResolverTypes prefix resolver list.
+     */
+    public void setPrefixResolverTypes(Map<YangAtomicPath, PrefixResolverType> prefixResolverTypes) {
+        this.prefixResolverTypes = prefixResolverTypes;
+    }
+
+    /**
+     * Adds to the prefix resolver type map.
+     *
+     * @param type resolver type
+     * @param path absolute path
+     */
+    private void addToPrefixResolverList(PrefixResolverType type, YangAtomicPath path) {
+        getPrefixResolverTypes().put(path, type);
+    }
+
+    /**
      * Returns list of target nodes paths.
      *
      * @return target nodes paths
@@ -144,24 +146,6 @@ public class YangXpathLinker<T> {
     }
 
     /**
-     * Returns prefix resolver type.
-     *
-     * @return prefix resolver type
-     */
-    private PrefixResolverType getPrefixResolverType() {
-        return type;
-    }
-
-    /**
-     * Sets prefix resolver type.
-     *
-     * @param type prefix resolver type
-     */
-    private void setPrefixResolverType(PrefixResolverType type) {
-        this.type = type;
-    }
-
-    /**
      * Returns resolved nodes.
      *
      * @return resolved nodes
@@ -211,13 +195,15 @@ public class YangXpathLinker<T> {
      * Process absolute node path for target leaf.
      *
      * @param absPaths absolute path node list
-     * @param root root node
+     * @param root     root node
      * @return linked target node
      */
-    public T processLeafRefXpathLinking(List<YangAtomicPath> absPaths, YangNode root) {
+    T processLeafRefXpathLinking(List<YangAtomicPath> absPaths, YangNode root) {
 
         YangNode targetNode = null;
         setRootNode(root);
+        setPrefixResolverTypes(new HashMap<>());
+        parsePrefixResolverList(absPaths);
         YangAtomicPath leafRefPath = absPaths.get(absPaths.size() - 1);
 
         // When leaf-ref path contains only one absolute path.
@@ -230,7 +216,7 @@ public class YangXpathLinker<T> {
             targetNode = parseData(root);
         }
         if (targetNode == null) {
-            targetNode = parsePath(getIncludedNode(root));
+            targetNode = searchInSubModule(root);
         }
 
         if (targetNode != null) {
@@ -270,18 +256,20 @@ public class YangXpathLinker<T> {
      * Process absolute node path linking for augment.
      *
      * @param absPaths absolute path node list
-     * @param root root node
+     * @param root     root node
      * @return linked target node
      */
     public YangNode processAugmentXpathLinking(List<YangAtomicPath> absPaths, YangNode root) {
 
         setAbsPaths(absPaths);
         setRootNode(root);
+        setPrefixResolverTypes(new HashMap<>());
+        parsePrefixResolverList(absPaths);
 
         YangNode targetNode = parseData(root);
 
         if (targetNode == null) {
-            targetNode = parsePath(getIncludedNode(root));
+            targetNode = searchInSubModule(root);
         }
         return targetNode;
 
@@ -291,7 +279,7 @@ public class YangXpathLinker<T> {
      * Searches for the referred leaf in target node.
      *
      * @param targetNode target node
-     * @param leafName leaf name
+     * @param leafName   leaf name
      * @return target leaf
      */
     private YangLeaf searchReferredLeaf(YangNode targetNode, String leafName) {
@@ -312,7 +300,7 @@ public class YangXpathLinker<T> {
     /**
      * Searches for the referred leaf-list in target node.
      *
-     * @param targetNode target node
+     * @param targetNode   target node
      * @param leafListName leaf-list name
      * @return target leaf-list
      */
@@ -363,20 +351,9 @@ public class YangXpathLinker<T> {
         YangAtomicPath tempPath = pathIterator.next();
         setCurPrefix(tempPath.getNodeIdentifier().getPrefix());
         int index = 0;
-        YangNode tempAugment = null;
+        YangNode tempAugment;
         do {
 
-            if (tempNode instanceof YangUses) {
-                tempNode = handleUsesNode(tempNode, tempPath.getNodeIdentifier());
-                if (pathIterator.hasNext()) {
-                    tempPath = pathIterator.next();
-                    index++;
-                } else {
-                    addToResolvedNodes(tempPath, tempNode);
-                    return tempNode;
-                }
-            }
-
             if (tempPath.getNodeIdentifier().getPrefix() == null) {
                 tempAugment = resolveIntraFileAugment(tempPath, root);
             } else {
@@ -412,15 +389,24 @@ public class YangXpathLinker<T> {
      * Resolves intra file augment linking.
      *
      * @param tempPath temporary absolute path
-     * @param root root node
+     * @param root     root node
      * @return linked target node
      */
     private YangNode resolveIntraFileAugment(YangAtomicPath tempPath, YangNode root) {
-        YangNode tempAugment = null;
-        setPrefixResolverType(PrefixResolverType.NO_PREFIX_CHANGE_FOR_INTRA);
+        YangNode tempAugment;
         if (getCurPrefix() != tempPath.getNodeIdentifier().getPrefix()) {
-            setPrefixResolverType(PrefixResolverType.INTRA_TO_INTER);
-            root = getIncludedNode(getRootNode());
+            root = getIncludedNode(getRootNode(), tempPath.getNodeIdentifier().getName());
+            if (root == null) {
+                root = getIncludedNode(getRootNode(), getAugmentNodeIdentifier(tempPath.getNodeIdentifier(), absPaths,
+                        getRootNode()));
+                if (root == null) {
+                    root = getRootNode();
+                }
+            }
+        } else {
+            if (getCurPrefix() != null) {
+                root = getImportedNode(root, tempPath.getNodeIdentifier());
+            }
         }
 
         setCurPrefix(tempPath.getNodeIdentifier().getPrefix());
@@ -435,24 +421,18 @@ public class YangXpathLinker<T> {
      * Resolves inter file augment linking.
      *
      * @param tempPath temporary absolute path
-     * @param root root node
+     * @param root     root node
      * @return linked target node
      */
     private YangNode resolveInterFileAugment(YangAtomicPath tempPath, YangNode root) {
 
-        YangNode tempAugment = null;
-        if (tempPath.getNodeIdentifier().getPrefix().equals(getCurPrefix())) {
-            setPrefixResolverType(PrefixResolverType.NO_PREFIX_CHANGE_FOR_INTER);
-        } else {
+        YangNode tempAugment;
+        if (!tempPath.getNodeIdentifier().getPrefix().equals(getCurPrefix())) {
             setCurPrefix(tempPath.getNodeIdentifier().getPrefix());
-            setPrefixResolverType(PrefixResolverType.INTER_TO_INTER);
-            if (getCurPrefix() == null) {
-                setPrefixResolverType(PrefixResolverType.INTER_TO_INTRA);
-            }
             root = getImportedNode(getRootNode(), tempPath.getNodeIdentifier());
         }
         tempAugment = getAugment(tempPath.getNodeIdentifier(), root, getAbsPaths());
-        if (tempAugment == null && getPrefixResolverType().equals(PrefixResolverType.INTER_TO_INTER)) {
+        if (tempAugment == null) {
             return resolveInterToInterFileAugment(root);
         }
         return tempAugment;
@@ -494,8 +474,9 @@ public class YangXpathLinker<T> {
     /**
      * Searches for the augment node in imported module when prefix has changed from
      * inter file to inter file.
+     *
      * @param nodeId node id
-     * @param index index
+     * @param index  index
      * @return true if found
      */
     private boolean searchForAugmentInImportedNode(YangNodeIdentifier nodeId, int index) {
@@ -507,11 +488,11 @@ public class YangXpathLinker<T> {
      * Returns augment node.
      *
      * @param tempNodeId temporary absolute path id
-     * @param root root node
+     * @param root       root node
      * @return linked target node
      */
     private YangNode getAugment(YangNodeIdentifier tempNodeId, YangNode root, List<YangAtomicPath> absPaths) {
-        String augmentName = getAugmentNodeIdentifier(tempNodeId, absPaths);
+        String augmentName = getAugmentNodeIdentifier(tempNodeId, absPaths, root);
         if (augmentName != null) {
             return searchAugmentNode(root, augmentName);
         }
@@ -521,13 +502,13 @@ public class YangXpathLinker<T> {
     /**
      * Process linking using import list.
      *
-     * @param root root node
+     * @param root   root node
      * @param nodeId node identifier
      * @return linked target node
      */
     private YangNode getImportedNode(YangNode root, YangNodeIdentifier nodeId) {
 
-        List<YangImport> importList = new ArrayList<>();
+        List<YangImport> importList;
 
         if (root instanceof YangModule) {
             importList = ((YangModule) root).getImportList();
@@ -545,14 +526,39 @@ public class YangXpathLinker<T> {
     }
 
     /**
-     * Process linking using include list.
+     * Searches in sub-module node.
      *
      * @param root root node
+     * @return target linked node
+     */
+    private YangNode searchInSubModule(YangNode root) {
+        List<YangInclude> includeList;
+        YangNode tempNode;
+        if (root instanceof YangModule) {
+            includeList = ((YangModule) root).getIncludeList();
+        } else {
+            includeList = ((YangSubModule) root).getIncludeList();
+        }
+
+        for (YangInclude included : includeList) {
+            tempNode = parseData(included.getIncludedNode());
+            if (tempNode != null) {
+                return tempNode;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Process linking using include list.
+     *
+     * @param root         root node
+     * @param tempPathName temporary path node name
      * @return linked target node
      */
-    private YangNode getIncludedNode(YangNode root) {
+    private YangNode getIncludedNode(YangNode root, String tempPathName) {
 
-        List<YangInclude> includeList = new ArrayList<>();
+        List<YangInclude> includeList;
 
         if (root instanceof YangModule) {
             includeList = ((YangModule) root).getIncludeList();
@@ -561,34 +567,84 @@ public class YangXpathLinker<T> {
         }
 
         for (YangInclude included : includeList) {
-            return included.getIncludedNode();
+            if (verifyChildNode(included.getIncludedNode(), tempPathName)) {
+                return included.getIncludedNode();
+            }
         }
 
-        return root;
+        return null;
     }
 
     /**
-     * Returns augments node id.
+     * Verifies for child nodes in sub module.
      *
-     * @param nodeId node identifier
-     * @return augment node id
+     * @param node submodule node
+     * @param name name of child node
+     * @return true if child node found
+     */
+    private boolean verifyChildNode(YangNode node, String name) {
+        node = node.getChild();
+        while (node != null) {
+            if (node.getName().equals(name)) {
+                return true;
+            }
+            node = node.getNextSibling();
+        }
+        return false;
+    }
+
+
+    /**
+     * Returns augment's node id.
+     *
+     * @param nodeId   node identifier
+     * @param absPaths absolute paths
+     * @param root     root node
+     * @return augment's node id
      */
-    private String getAugmentNodeIdentifier(YangNodeIdentifier nodeId, List<YangAtomicPath> absPaths) {
+    private String getAugmentNodeIdentifier(YangNodeIdentifier nodeId, List<YangAtomicPath> absPaths, YangNode root) {
 
         Iterator<YangAtomicPath> nodeIdIterator = absPaths.iterator();
-        YangAtomicPath tempNodeId = null;
+        YangAtomicPath tempNodeId;
         StringBuilder builder = new StringBuilder();
+        String id;
+        PrefixResolverType type;
         while (nodeIdIterator.hasNext()) {
             tempNodeId = nodeIdIterator.next();
             if (!tempNodeId.getNodeIdentifier().equals(nodeId)) {
-                if (tempNodeId.getNodeIdentifier().getPrefix() != null
-                        && (getPrefixResolverType().equals(PrefixResolverType.INTER_TO_INTER)
-                                || getPrefixResolverType().equals(PrefixResolverType.INTRA_TO_INTER))) {
-                    builder.append("/" + tempNodeId.getNodeIdentifier().getPrefix());
-                    builder.append(":" + tempNodeId.getNodeIdentifier().getName());
-                } else {
-                    builder.append("/" + tempNodeId.getNodeIdentifier().getName());
+                type = getPrefixResolverTypes().get(tempNodeId);
+                switch (type) {
+                    case INTER_TO_INTRA:
+                        id = "/" + tempNodeId.getNodeIdentifier().getName();
+                        break;
+                    case INTRA_TO_INTER:
+                        if (!getRootsPrefix(root).equals(tempNodeId.getNodeIdentifier().getPrefix())) {
+                            id = "/" + tempNodeId.getNodeIdentifier().getPrefix() + ":" + tempNodeId.getNodeIdentifier()
+                                    .getName();
+                        } else {
+                            id = "/" + tempNodeId.getNodeIdentifier().getName();
+                        }
+                        break;
+                    case INTER_TO_INTER:
+                        id = "/" + tempNodeId.getNodeIdentifier().getPrefix() + ":" + tempNodeId.getNodeIdentifier()
+                                .getName();
+                        break;
+                    case NO_PREFIX_CHANGE_FOR_INTRA:
+                        id = "/" + tempNodeId.getNodeIdentifier().getName();
+                        break;
+                    case NO_PREFIX_CHANGE_FOR_INTER:
+                        if (!getRootsPrefix(root).equals(tempNodeId.getNodeIdentifier().getPrefix())) {
+                            id = "/" + tempNodeId.getNodeIdentifier().getPrefix() + ":" + tempNodeId.getNodeIdentifier()
+                                    .getName();
+                        } else {
+                            id = "/" + tempNodeId.getNodeIdentifier().getName();
+                        }
+                        break;
+                    default:
+                        id = "/" + tempNodeId.getNodeIdentifier().getName();
+                        break;
                 }
+                builder.append(id);
             } else {
                 return builder.toString();
             }
@@ -599,15 +655,16 @@ public class YangXpathLinker<T> {
     /**
      * Searches augment node in root node.
      *
-     * @param node root node
+     * @param node       root node
      * @param tempNodeId node identifier
      * @return target augment node
      */
+
     private YangNode searchAugmentNode(YangNode node, String tempNodeId) {
         node = node.getChild();
         while (node != null) {
             if (node instanceof YangAugment) {
-                if (((YangAugment) node).getName().equals(tempNodeId)) {
+                if (node.getName().equals(tempNodeId)) {
                     return node;
                 }
             }
@@ -620,7 +677,7 @@ public class YangXpathLinker<T> {
      * Validates for target node if target node found or not.
      *
      * @param tempNode temporary node
-     * @param index current index of list
+     * @param index    current index of list
      * @return false if target node found
      */
     private boolean validate(YangNode tempNode, int index) {
@@ -628,11 +685,11 @@ public class YangXpathLinker<T> {
         int size = getAbsPaths().size();
         if (tempNode != null && index != size) {
             return true;
-        } else if (tempNode != null && index == size) {
+        } else if (tempNode != null) {
             return false;
             // this is your target node.
-        } else if (tempNode == null && index != size) {
-            return false;
+        } else if (index != size) {
+            return true;
             // this could be in submodule as well.
         }
         return false;
@@ -641,7 +698,7 @@ public class YangXpathLinker<T> {
     /**
      * Searches target node in root node.
      *
-     * @param node root node
+     * @param node      root node
      * @param curNodeId YANG node identifier
      * @return linked target node
      */
@@ -661,40 +718,6 @@ public class YangXpathLinker<T> {
     }
 
     /**
-     * Handles linking when uses node is present.
-     *
-     * @param node uses node
-     * @param curNodeId current node id
-     * @return linked node
-     */
-    private YangNode handleUsesNode(YangNode node, YangNodeIdentifier curNodeId) {
-        YangNode tempNode = null;
-        tempNode = searchInUsesNode((YangUses) node, curNodeId);
-        if (tempNode != null) {
-            return tempNode;
-        }
-        return null;
-    }
-
-    /**
-     * Searches target node in uses resolved list.
-     *
-     * @param uses uses node
-     * @param curNodeId current node id
-     * @return linked target node
-     */
-    private YangNode searchInUsesNode(YangUses uses, YangNodeIdentifier curNodeId) {
-
-        List<YangNode> resolvedNodes = uses.getUsesResolvedNodeList();
-        for (YangNode node : resolvedNodes) {
-            if (node.getName().equals(curNodeId.getName())) {
-                return node;
-            }
-        }
-        return null;
-    }
-
-    /**
      * Returns root prefix.
      *
      * @param root root node
@@ -708,4 +731,39 @@ public class YangXpathLinker<T> {
         }
     }
 
+    /**
+     * Resolves prefix and provides prefix resolver list.
+     *
+     * @param absolutePaths absolute paths
+     */
+    private void parsePrefixResolverList(List<YangAtomicPath> absolutePaths) {
+        Iterator<YangAtomicPath> pathIterator = absolutePaths.iterator();
+        YangAtomicPath absPath;
+        String prePrefix;
+        String curPrefix = null;
+        while (pathIterator.hasNext()) {
+            prePrefix = curPrefix;
+            absPath = pathIterator.next();
+            curPrefix = absPath.getNodeIdentifier().getPrefix();
+            if (curPrefix != null) {
+                if (!curPrefix.equals(prePrefix)) {
+                    if (prePrefix != null) {
+                        addToPrefixResolverList(INTER_TO_INTER, absPath);
+                    } else {
+                        addToPrefixResolverList(INTRA_TO_INTER, absPath);
+                    }
+                } else {
+                    addToPrefixResolverList(NO_PREFIX_CHANGE_FOR_INTER, absPath);
+                }
+            } else {
+                if (prePrefix != null) {
+                    addToPrefixResolverList(INTER_TO_INTRA, absPath);
+                } else {
+                    addToPrefixResolverList(NO_PREFIX_CHANGE_FOR_INTRA, absPath);
+                }
+            }
+        }
+
+    }
+
 }

@@ -21,11 +21,14 @@ import java.util.SortedSet;
 import java.util.TreeSet;
 
 import static org.onosproject.yangutils.utils.UtilConstants.ABSTRACT_EVENT;
+import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO_CLASS_IMPORT_CLASS;
+import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO_CLASS_IMPORT_PKG;
 import static org.onosproject.yangutils.utils.UtilConstants.COLLECTION_IMPORTS;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_LISTENER;
 import static org.onosproject.yangutils.utils.UtilConstants.GOOGLE_MORE_OBJECT_IMPORT_CLASS;
 import static org.onosproject.yangutils.utils.UtilConstants.GOOGLE_MORE_OBJECT_IMPORT_PKG;
+import static org.onosproject.yangutils.utils.UtilConstants.HASH_MAP;
 import static org.onosproject.yangutils.utils.UtilConstants.IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.JAVA_LANG;
 import static org.onosproject.yangutils.utils.UtilConstants.JAVA_UTIL_OBJECTS_IMPORT_CLASS;
@@ -33,6 +36,7 @@ import static org.onosproject.yangutils.utils.UtilConstants.JAVA_UTIL_OBJECTS_IM
 import static org.onosproject.yangutils.utils.UtilConstants.LIST;
 import static org.onosproject.yangutils.utils.UtilConstants.LISTENER_REG;
 import static org.onosproject.yangutils.utils.UtilConstants.LISTENER_SERVICE;
+import static org.onosproject.yangutils.utils.UtilConstants.MAP;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
 import static org.onosproject.yangutils.utils.UtilConstants.ONOS_EVENT_PKG;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
@@ -248,4 +252,31 @@ public class JavaImportData {
     public String getEventListenerImport() {
         return IMPORT + ONOS_EVENT_PKG + PERIOD + EVENT_LISTENER + SEMI_COLAN + NEW_LINE;
     }
+
+    /**
+     * Returns import string for map class.
+     *
+     * @return import string for map class
+     */
+    public String getMapImport() {
+        return IMPORT + COLLECTION_IMPORTS + PERIOD + MAP + SEMI_COLAN + NEW_LINE;
+    }
+
+    /**
+     * Returns import string for hash map class.
+     *
+     * @return import string for hash map class
+     */
+    public String getHashMapImport() {
+        return IMPORT + COLLECTION_IMPORTS + PERIOD + HASH_MAP + SEMI_COLAN + NEW_LINE;
+    }
+
+    /**
+     * Returns import string for hash map class.
+     *
+     * @return import string for hash map class
+     */
+    public String getYangAugmentedInfoImport() {
+        return IMPORT + YANG_AUGMENTED_INFO_CLASS_IMPORT_PKG + PERIOD + YANG_AUGMENTED_INFO_CLASS_IMPORT_CLASS;
+    }
 }

@@ -189,8 +189,6 @@ public class TempJavaCodeFragmentFiles {
         if (fileType == GENERATE_ENUM_CLASS) {
             getEnumerationTempFiles().generateJavaFile(GENERATE_ENUM_CLASS, curNode);
         }
-
-        freeTemporaryResources(false);
     }
 
     /**

@@ -17,16 +17,18 @@ package org.onosproject.yangutils.translator.tojava;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.List;
 
-import org.onosproject.yangutils.datamodel.RpcNotificationContainer;
+import org.onosproject.yangutils.datamodel.YangAugmentableNode;
 import org.onosproject.yangutils.datamodel.YangCase;
 import org.onosproject.yangutils.datamodel.YangLeaf;
 import org.onosproject.yangutils.datamodel.YangLeafList;
 import org.onosproject.yangutils.datamodel.YangLeavesHolder;
 import org.onosproject.yangutils.datamodel.YangList;
+import org.onosproject.yangutils.datamodel.YangModule;
 import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangSubModule;
+import org.onosproject.yangutils.datamodel.YangUses;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
 import org.onosproject.yangutils.translator.tojava.javamodel.JavaLeafInfoContainer;
 import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaAugment;
@@ -40,6 +42,7 @@ import static org.onosproject.yangutils.datamodel.utils.DataModelUtils.getParent
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.BUILDER_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.BUILDER_INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_ENUM_CLASS;
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_SERVICE_AND_MANAGER;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_TYPE_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.IMPL_CLASS_MASK;
@@ -60,10 +63,12 @@ import static org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo.
 import static org.onosproject.yangutils.translator.tojava.javamodel.AttributesJavaDataType.updateJavaFileInfo;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getJavaAttributeDefination;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getJavaClassDefClose;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.sortImports;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateBuilderClassFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateBuilderInterfaceFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateImplClassFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateInterfaceFile;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.addResolvedAugmentedDataNodeImports;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getFileObject;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.createPackage;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAugmentedConstructor;
@@ -74,14 +79,11 @@ import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getGetterForClass;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getGetterString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getHashCodeMethod;
-import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOfMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOverRideString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterForClass;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.parseBuilderInterfaceBuildMethodString;
-import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.sortImports;
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.COMPONENT;
@@ -100,9 +102,9 @@ import static org.onosproject.yangutils.utils.UtilConstants.REFERENCE_CARDINALIT
 import static org.onosproject.yangutils.utils.UtilConstants.SEMI_COLAN;
 import static org.onosproject.yangutils.utils.UtilConstants.SERVICE;
 import static org.onosproject.yangutils.utils.UtilConstants.SLASH;
+import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
 import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.readAppendFile;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.GETTER_METHOD;
-import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.OF_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getAbsolutePackagePath;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
@@ -113,38 +115,12 @@ import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.mergeJavaFiles
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.validateLineLength;
 
 /**
- * Represents implementation of java code fragments temporary implementations.
- * Manages the common temp file required for Java file(s) generated.
+ * Represents implementation of java code fragments temporary implementations. Manages the common temp file required for
+ * Java file(s) generated.
  */
 public class TempJavaFragmentFiles {
 
     /**
-     * Information about the java files being generated.
-     */
-    private JavaFileInfo javaFileInfo;
-
-    /**
-     * Imported class info.
-     */
-    private JavaImportData javaImportData;
-
-    /**
-     * The variable which guides the types of temporary files generated using
-     * the temporary generated file types mask.
-     */
-    private int generatedTempFiles;
-
-    /**
-     * Absolute path where the target java file needs to be generated.
-     */
-    private String absoluteDirPath;
-
-    /**
-     * Contains all the interface(s)/class name which will be extended by generated files.
-     */
-    private JavaExtendsListHolder javaExtendsListHolder;
-
-    /**
      * File type extension for java classes.
      */
     private static final String JAVA_FILE_EXTENSION = ".java";
@@ -228,6 +204,32 @@ public class TempJavaFragmentFiles {
      * File name for augment copy constructor method.
      */
     private static final String AUGMENT_CONSTRUCTOR_FILE_NAME = "AugmentConstructor";
+
+    /**
+     * Information about the java files being generated.
+     */
+    private JavaFileInfo javaFileInfo;
+
+    /**
+     * Imported class info.
+     */
+    private JavaImportData javaImportData;
+
+    /**
+     * The variable which guides the types of temporary files generated using the temporary generated file types mask.
+     */
+    private int generatedTempFiles;
+
+    /**
+     * Absolute path where the target java file needs to be generated.
+     */
+    private String absoluteDirPath;
+
+    /**
+     * Contains all the interface(s)/class name which will be extended by generated files.
+     */
+    private JavaExtendsListHolder javaExtendsListHolder;
+
     /**
      * Java file handle for interface file.
      */
@@ -308,6 +310,245 @@ public class TempJavaFragmentFiles {
      */
     private File augmentConstructorImplTempFileHandle;
 
+    TempJavaFragmentFiles() {
+    }
+
+    /**
+     * Creates an instance of temporary java code fragment.
+     *
+     * @param javaFileInfo generated java file information
+     * @throws IOException when fails to create new file handle
+     */
+    TempJavaFragmentFiles(JavaFileInfo javaFileInfo)
+            throws IOException {
+        setJavaExtendsListHolder(new JavaExtendsListHolder());
+        setJavaImportData(new JavaImportData());
+        setJavaFileInfo(javaFileInfo);
+        setAbsoluteDirPath(getAbsolutePackagePath(getJavaFileInfo().getBaseCodeGenPath(),
+                getJavaFileInfo().getPackageFilePath()));
+
+        /*
+         * Initialize getter when generation file type matches to interface
+         * mask.
+         */
+        if ((getGeneratedJavaFiles() & INTERFACE_MASK) != 0) {
+            addGeneratedTempFile(GETTER_FOR_INTERFACE_MASK);
+        }
+
+        /*
+         * Initialize getter and setter when generation file type matches to
+         * builder interface mask.
+         */
+        if ((getGeneratedJavaFiles() & BUILDER_INTERFACE_MASK) != 0) {
+            addGeneratedTempFile(GETTER_FOR_INTERFACE_MASK);
+            addGeneratedTempFile(SETTER_FOR_INTERFACE_MASK);
+        }
+
+        /*
+         * Initialize getterImpl, setterImpl and attributes when generation file
+         * type matches to builder class mask.
+         */
+        if ((getGeneratedJavaFiles() & BUILDER_CLASS_MASK) != 0) {
+            addGeneratedTempFile(ATTRIBUTES_MASK);
+            addGeneratedTempFile(GETTER_FOR_CLASS_MASK);
+            addGeneratedTempFile(SETTER_FOR_CLASS_MASK);
+            addGeneratedTempFile(AUGMENTE_CLASS_CONSTRUCTOR_MASK);
+        }
+
+        /*
+         * Initialize getterImpl, attributes, constructor, hash code, equals and
+         * to strings when generation file type matches to impl class mask.
+         */
+        if ((getGeneratedJavaFiles() & IMPL_CLASS_MASK) != 0) {
+            addGeneratedTempFile(ATTRIBUTES_MASK);
+            addGeneratedTempFile(GETTER_FOR_CLASS_MASK);
+            addGeneratedTempFile(HASH_CODE_IMPL_MASK);
+            addGeneratedTempFile(EQUALS_IMPL_MASK);
+            addGeneratedTempFile(TO_STRING_IMPL_MASK);
+        }
+
+        /*
+         * Initialize temp files to generate type class.
+         */
+        if ((getGeneratedJavaFiles() & GENERATE_TYPE_CLASS) != 0) {
+            addGeneratedTempFile(ATTRIBUTES_MASK);
+            addGeneratedTempFile(GETTER_FOR_CLASS_MASK);
+            addGeneratedTempFile(HASH_CODE_IMPL_MASK);
+            addGeneratedTempFile(EQUALS_IMPL_MASK);
+            addGeneratedTempFile(TO_STRING_IMPL_MASK);
+            addGeneratedTempFile(FROM_STRING_IMPL_MASK);
+        }
+
+        /*
+         * Initialize temp files to generate enum class.
+         */
+        if ((getGeneratedJavaFiles() & GENERATE_ENUM_CLASS) != 0) {
+            addGeneratedTempFile(FROM_STRING_IMPL_MASK);
+        }
+
+        /*
+         * Set temporary file handles.
+         */
+        if ((getGeneratedTempFiles() & ATTRIBUTES_MASK) != 0) {
+            setAttributesTempFileHandle(getTemporaryFileHandle(ATTRIBUTE_FILE_NAME));
+        }
+
+        if ((getGeneratedTempFiles() & GETTER_FOR_INTERFACE_MASK) != 0) {
+            setGetterInterfaceTempFileHandle(getTemporaryFileHandle(GETTER_METHOD_FILE_NAME));
+        }
+
+        if ((getGeneratedTempFiles() & SETTER_FOR_INTERFACE_MASK) != 0) {
+            setSetterInterfaceTempFileHandle(getTemporaryFileHandle(SETTER_METHOD_FILE_NAME));
+        }
+
+        if ((getGeneratedTempFiles() & GETTER_FOR_CLASS_MASK) != 0) {
+            setGetterImplTempFileHandle(getTemporaryFileHandle(GETTER_METHOD_IMPL_FILE_NAME));
+        }
+
+        if ((getGeneratedTempFiles() & SETTER_FOR_CLASS_MASK) != 0) {
+            setSetterImplTempFileHandle(getTemporaryFileHandle(SETTER_METHOD_IMPL_FILE_NAME));
+        }
+
+        if ((getGeneratedTempFiles() & HASH_CODE_IMPL_MASK) != 0) {
+            setHashCodeImplTempFileHandle(getTemporaryFileHandle(HASH_CODE_METHOD_FILE_NAME));
+        }
+        if ((getGeneratedTempFiles() & EQUALS_IMPL_MASK) != 0) {
+            setEqualsImplTempFileHandle(getTemporaryFileHandle(EQUALS_METHOD_FILE_NAME));
+        }
+        if ((getGeneratedTempFiles() & TO_STRING_IMPL_MASK) != 0) {
+            setToStringImplTempFileHandle(getTemporaryFileHandle(TO_STRING_METHOD_FILE_NAME));
+        }
+        if ((getGeneratedTempFiles() & FROM_STRING_IMPL_MASK) != 0) {
+            setFromStringImplTempFileHandle(getTemporaryFileHandle(FROM_STRING_METHOD_FILE_NAME));
+        }
+        if ((getGeneratedTempFiles() & AUGMENTE_CLASS_CONSTRUCTOR_MASK) != 0) {
+            setAugmentConstructorImplTempFileHandle(getTemporaryFileHandle(AUGMENT_CONSTRUCTOR_FILE_NAME));
+        }
+
+    }
+
+    /**
+     * Adds current node info as and attribute to the parent generated file.
+     *
+     * @param curNode      current node which needs to be added as an attribute in the parent generated code
+     * @param isList       is list construct
+     * @param pluginConfig plugin configurations
+     * @throws IOException IO operation exception
+     */
+    public static void addCurNodeInfoInParentTempFile(YangNode curNode,
+                                                      boolean isList, YangPluginConfig pluginConfig)
+            throws IOException {
+        YangNode parent = getParentNodeInGenCode(curNode);
+        if (!(parent instanceof JavaCodeGenerator)) {
+            throw new TranslatorException("missing parent node to contain current node info in generated file");
+        }
+
+        if (parent instanceof YangJavaGrouping) {
+            /*
+             * In case of grouping, there is no need to add the information, it
+             * will be taken care in uses
+             */
+            return;
+        }
+        TempJavaBeanFragmentFiles tempJavaBeanFragmentFiles = ((JavaCodeGeneratorInfo) parent)
+                .getTempJavaCodeFragmentFiles().getBeanTempFiles();
+
+        JavaAttributeInfo javaAttributeInfo = getCurNodeAsAttributeInTarget(curNode,
+                parent, isList, tempJavaBeanFragmentFiles);
+        if (!(parent instanceof TempJavaCodeFragmentFilesContainer)) {
+            throw new TranslatorException("missing parent temp file handle");
+        }
+        getNodesInterfaceFragmentFiles(parent, javaAttributeInfo, pluginConfig);
+    }
+
+    /**
+     * Creates an attribute info object corresponding to a data model node and return it.
+     *
+     * @param curNode               current data model node for which the java code generation is being handled
+     * @param targetNode            target node in which the current node is an attribute
+     * @param isListNode            is the current added attribute needs to be a list
+     * @param tempJavaFragmentFiles temp java fragment files
+     * @return AttributeInfo attribute details required to add in temporary files
+     */
+    public static JavaAttributeInfo getCurNodeAsAttributeInTarget(YangNode curNode,
+                                                                  YangNode targetNode, boolean isListNode,
+                                                                  TempJavaFragmentFiles tempJavaFragmentFiles) {
+        String curNodeName = ((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName();
+        if (curNodeName == null) {
+            updateJavaFileInfo(curNode, null);
+            curNodeName = ((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName();
+        }
+
+        /*
+         * Get the import info corresponding to the attribute for import in
+         * generated java files or qualified access
+         */
+        JavaQualifiedTypeInfo qualifiedTypeInfo = getQualifiedTypeInfoOfCurNode(curNode,
+                getCapitalCase(curNodeName));
+        if (!(targetNode instanceof TempJavaCodeFragmentFilesContainer)) {
+            throw new TranslatorException("Parent node does not have file info");
+        }
+        JavaImportData parentImportData = tempJavaFragmentFiles.getJavaImportData();
+        JavaFileInfo fileInfo = ((JavaFileInfoContainer) targetNode).getJavaFileInfo();
+
+        boolean isQualified;
+        if ((targetNode instanceof YangJavaModule || targetNode instanceof YangJavaSubModule)
+                && (qualifiedTypeInfo.getClassInfo().contentEquals(SERVICE)
+                || qualifiedTypeInfo.getClassInfo().contentEquals(COMPONENT)
+                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(ACTIVATE))
+                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(DEACTIVATE))
+                || qualifiedTypeInfo.getClassInfo().contentEquals(REFERENCE_CARDINALITY)
+                || qualifiedTypeInfo.getClassInfo().contentEquals(REFERENCE))
+                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(fileInfo.getJavaName() + SERVICE))
+                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(fileInfo.getJavaName() + MANAGER))) {
+
+            isQualified = true;
+        } else {
+            String className;
+            if (targetNode instanceof YangJavaModule || targetNode instanceof YangJavaSubModule) {
+                className = getCapitalCase(fileInfo.getJavaName()) + "Service";
+            } else {
+                className = getCapitalCase(fileInfo.getJavaName());
+            }
+
+            isQualified = parentImportData.addImportInfo(qualifiedTypeInfo,
+                    className, fileInfo.getPackage());
+        }
+
+        if (isListNode) {
+            parentImportData.setIfListImported(true);
+        }
+
+        return getAttributeInfoForTheData(qualifiedTypeInfo, curNodeName, null, isQualified, isListNode);
+    }
+
+    /**
+     * Adds java code snippet for corresponding files.
+     *
+     * @param node   java node
+     * @param attr   attribute info
+     * @param config plugin configurations
+     * @throws IOException when fails to do IO operations
+     */
+    public static void getNodesInterfaceFragmentFiles(YangNode node, JavaAttributeInfo attr,
+                                                      YangPluginConfig config) throws IOException {
+        TempJavaFragmentFiles tempJavaFragmentFiles;
+        JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) node).getJavaFileInfo();
+        if ((javaFileInfo.getGeneratedFileTypes() & GENERATE_SERVICE_AND_MANAGER) != 0) {
+            tempJavaFragmentFiles = ((TempJavaCodeFragmentFilesContainer) node)
+                    .getTempJavaCodeFragmentFiles()
+                    .getServiceTempFiles();
+            tempJavaFragmentFiles.addJavaSnippetInfoToApplicableTempFiles(attr, config);
+        }
+        if ((javaFileInfo.getGeneratedFileTypes() & GENERATE_INTERFACE_WITH_BUILDER) != 0) {
+            tempJavaFragmentFiles = ((TempJavaCodeFragmentFilesContainer) node)
+                    .getTempJavaCodeFragmentFiles()
+                    .getBeanTempFiles();
+            tempJavaFragmentFiles.addJavaSnippetInfoToApplicableTempFiles(attr, config);
+        }
+
+    }
+
     /**
      * Retrieves the absolute path where the file needs to be generated.
      *
@@ -320,29 +561,28 @@ public class TempJavaFragmentFiles {
     /**
      * Sets absolute path where the file needs to be generated.
      *
-     * @param absoluteDirPath absolute path where the file needs to be
-     *                        generated.
+     * @param absoluteDirPath absolute path where the file needs to be generated.
      */
     void setAbsoluteDirPath(String absoluteDirPath) {
         this.absoluteDirPath = absoluteDirPath;
     }
 
     /**
-     * Sets the generated java file information.
+     * Retrieves the generated java file information.
      *
-     * @param javaFileInfo generated java file information
+     * @return generated java file information
      */
-    public void setJavaFileInfo(JavaFileInfo javaFileInfo) {
-        this.javaFileInfo = javaFileInfo;
+    public JavaFileInfo getJavaFileInfo() {
+        return javaFileInfo;
     }
 
     /**
-     * Retrieves the generated java file information.
+     * Sets the generated java file information.
      *
-     * @return generated java file information
+     * @param javaFileInfo generated java file information
      */
-    public JavaFileInfo getJavaFileInfo() {
-        return javaFileInfo;
+    public void setJavaFileInfo(JavaFileInfo javaFileInfo) {
+        this.javaFileInfo = javaFileInfo;
     }
 
     /**
@@ -355,6 +595,15 @@ public class TempJavaFragmentFiles {
     }
 
     /**
+     * Sets generated file files.
+     *
+     * @param fileType generated file type
+     */
+    void setGeneratedTempFiles(int fileType) {
+        generatedTempFiles = fileType;
+    }
+
+    /**
      * Clears the generated file mask.
      */
     void clearGeneratedTempFileMask() {
@@ -372,15 +621,6 @@ public class TempJavaFragmentFiles {
     }
 
     /**
-     * Sets generated file files.
-     *
-     * @param fileType generated file type
-     */
-    void setGeneratedTempFiles(int fileType) {
-        generatedTempFiles = fileType;
-    }
-
-    /**
      * Retrieves the generated Java files.
      *
      * @return generated Java files
@@ -431,204 +671,79 @@ public class TempJavaFragmentFiles {
      * @param attributePresent status of any attributes added
      */
     public void setAttributePresent(boolean attributePresent) {
-        isAttributePresent = attributePresent;
-    }
-
-    /**
-     * Returns getter methods's temporary file handle.
-     *
-     * @return temporary file handle
-     */
-    public File getGetterInterfaceTempFileHandle() {
-        return getterInterfaceTempFileHandle;
-    }
-
-    /**
-     * Sets to getter method's temporary file handle.
-     *
-     * @param getterForInterface file handle for to getter method
-     */
-    private void setGetterInterfaceTempFileHandle(File getterForInterface) {
-        getterInterfaceTempFileHandle = getterForInterface;
-    }
-
-    /**
-     * Returns setter method's temporary file handle.
-     *
-     * @return temporary file handle
-     */
-    public File getSetterInterfaceTempFileHandle() {
-        return setterInterfaceTempFileHandle;
-    }
-
-    /**
-     * Sets to setter method's temporary file handle.
-     *
-     * @param setterForInterface file handle for to setter method
-     */
-    private void setSetterInterfaceTempFileHandle(File setterForInterface) {
-        setterInterfaceTempFileHandle = setterForInterface;
-    }
-
-    /**
-     * Returns setter method's impl's temporary file handle.
-     *
-     * @return temporary file handle
-     */
-    public File getSetterImplTempFileHandle() {
-        return setterImplTempFileHandle;
-    }
-
-    /**
-     * Sets to setter method's impl's temporary file handle.
-     *
-     * @param setterImpl file handle for to setter method's implementation class
-     */
-    private void setSetterImplTempFileHandle(File setterImpl) {
-        setterImplTempFileHandle = setterImpl;
-    }
-
-    /**
-     * Returns from string method's temporary file handle.
-     *
-     * @return from string method's temporary file handle
-     */
-    public File getFromStringImplTempFileHandle() {
-        return fromStringImplTempFileHandle;
-    }
-
-    /**
-     * Sets from string method's temporary file handle.
-     *
-     * @param fromStringImplTempFileHandle from string method's temporary file
-     *                                     handle
-     */
-    private void setFromStringImplTempFileHandle(File fromStringImplTempFileHandle) {
-        this.fromStringImplTempFileHandle = fromStringImplTempFileHandle;
-    }
-
-    /**
-     * Creates an instance of temporary java code fragment.
-     *
-     * @param javaFileInfo generated java file information
-     * @throws IOException when fails to create new file handle
-     */
-    TempJavaFragmentFiles(JavaFileInfo javaFileInfo)
-            throws IOException {
-        setJavaExtendsListHolder(new JavaExtendsListHolder());
-        setJavaImportData(new JavaImportData());
-        setJavaFileInfo(javaFileInfo);
-        setAbsoluteDirPath(getAbsolutePackagePath(getJavaFileInfo().getBaseCodeGenPath(),
-                getJavaFileInfo().getPackageFilePath()));
-
-        /*
-         * Initialize getter when generation file type matches to interface
-         * mask.
-         */
-        if ((getGeneratedJavaFiles() & INTERFACE_MASK) != 0) {
-            addGeneratedTempFile(GETTER_FOR_INTERFACE_MASK);
-        }
-
-        /*
-         * Initialize getter and setter when generation file type matches to
-         * builder interface mask.
-         */
-        if ((getGeneratedJavaFiles() & BUILDER_INTERFACE_MASK) != 0) {
-            addGeneratedTempFile(GETTER_FOR_INTERFACE_MASK);
-            addGeneratedTempFile(SETTER_FOR_INTERFACE_MASK);
-        }
-
-        /*
-         * Initialize getterImpl, setterImpl and attributes when generation file
-         * type matches to builder class mask.
-         */
-        if ((getGeneratedJavaFiles() & BUILDER_CLASS_MASK) != 0) {
-            addGeneratedTempFile(ATTRIBUTES_MASK);
-            addGeneratedTempFile(GETTER_FOR_CLASS_MASK);
-            addGeneratedTempFile(SETTER_FOR_CLASS_MASK);
-            addGeneratedTempFile(AUGMENTE_CLASS_CONSTRUCTOR_MASK);
-        }
-
-        /*
-         * Initialize getterImpl, attributes, constructor, hash code, equals and
-         * to strings when generation file type matches to impl class mask.
-         */
-        if ((getGeneratedJavaFiles() & IMPL_CLASS_MASK) != 0) {
-            addGeneratedTempFile(ATTRIBUTES_MASK);
-            addGeneratedTempFile(GETTER_FOR_CLASS_MASK);
-            addGeneratedTempFile(HASH_CODE_IMPL_MASK);
-            addGeneratedTempFile(EQUALS_IMPL_MASK);
-            addGeneratedTempFile(TO_STRING_IMPL_MASK);
-        }
-
-        /*
-         * Initialize temp files to generate type class.
-         */
-        if ((getGeneratedJavaFiles() & GENERATE_TYPE_CLASS) != 0) {
-            addGeneratedTempFile(ATTRIBUTES_MASK);
-            addGeneratedTempFile(GETTER_FOR_CLASS_MASK);
-            addGeneratedTempFile(HASH_CODE_IMPL_MASK);
-            addGeneratedTempFile(EQUALS_IMPL_MASK);
-            addGeneratedTempFile(TO_STRING_IMPL_MASK);
-            addGeneratedTempFile(FROM_STRING_IMPL_MASK);
-        }
+        isAttributePresent = attributePresent;
+    }
 
-        /*
-         * Initialize temp files to generate enum class.
-         */
-        if ((getGeneratedJavaFiles() & GENERATE_ENUM_CLASS) != 0) {
-            addGeneratedTempFile(FROM_STRING_IMPL_MASK);
-        }
-        /*
-         * Initialize getter and setter when generation file type matches to
-         * builder interface mask.
-         */
-        if ((getGeneratedJavaFiles() & GENERATE_SERVICE_AND_MANAGER) != 0) {
-            addGeneratedTempFile(GETTER_FOR_INTERFACE_MASK);
-            addGeneratedTempFile(SETTER_FOR_INTERFACE_MASK);
-            addGeneratedTempFile(GETTER_FOR_CLASS_MASK);
-            addGeneratedTempFile(SETTER_FOR_CLASS_MASK);
-        }
+    /**
+     * Returns getter methods's temporary file handle.
+     *
+     * @return temporary file handle
+     */
+    public File getGetterInterfaceTempFileHandle() {
+        return getterInterfaceTempFileHandle;
+    }
 
-        /*
-         * Set temporary file handles.
-         */
-        if ((getGeneratedTempFiles() & ATTRIBUTES_MASK) != 0) {
-            setAttributesTempFileHandle(getTemporaryFileHandle(ATTRIBUTE_FILE_NAME));
-        }
+    /**
+     * Sets to getter method's temporary file handle.
+     *
+     * @param getterForInterface file handle for to getter method
+     */
+    private void setGetterInterfaceTempFileHandle(File getterForInterface) {
+        getterInterfaceTempFileHandle = getterForInterface;
+    }
 
-        if ((getGeneratedTempFiles() & GETTER_FOR_INTERFACE_MASK) != 0) {
-            setGetterInterfaceTempFileHandle(getTemporaryFileHandle(GETTER_METHOD_FILE_NAME));
-        }
+    /**
+     * Returns setter method's temporary file handle.
+     *
+     * @return temporary file handle
+     */
+    public File getSetterInterfaceTempFileHandle() {
+        return setterInterfaceTempFileHandle;
+    }
 
-        if ((getGeneratedTempFiles() & SETTER_FOR_INTERFACE_MASK) != 0) {
-            setSetterInterfaceTempFileHandle(getTemporaryFileHandle(SETTER_METHOD_FILE_NAME));
-        }
+    /**
+     * Sets to setter method's temporary file handle.
+     *
+     * @param setterForInterface file handle for to setter method
+     */
+    private void setSetterInterfaceTempFileHandle(File setterForInterface) {
+        setterInterfaceTempFileHandle = setterForInterface;
+    }
 
-        if ((getGeneratedTempFiles() & GETTER_FOR_CLASS_MASK) != 0) {
-            setGetterImplTempFileHandle(getTemporaryFileHandle(GETTER_METHOD_IMPL_FILE_NAME));
-        }
+    /**
+     * Returns setter method's impl's temporary file handle.
+     *
+     * @return temporary file handle
+     */
+    public File getSetterImplTempFileHandle() {
+        return setterImplTempFileHandle;
+    }
 
-        if ((getGeneratedTempFiles() & SETTER_FOR_CLASS_MASK) != 0) {
-            setSetterImplTempFileHandle(getTemporaryFileHandle(SETTER_METHOD_IMPL_FILE_NAME));
-        }
+    /**
+     * Sets to setter method's impl's temporary file handle.
+     *
+     * @param setterImpl file handle for to setter method's implementation class
+     */
+    private void setSetterImplTempFileHandle(File setterImpl) {
+        setterImplTempFileHandle = setterImpl;
+    }
 
-        if ((getGeneratedTempFiles() & HASH_CODE_IMPL_MASK) != 0) {
-            setHashCodeImplTempFileHandle(getTemporaryFileHandle(HASH_CODE_METHOD_FILE_NAME));
-        }
-        if ((getGeneratedTempFiles() & EQUALS_IMPL_MASK) != 0) {
-            setEqualsImplTempFileHandle(getTemporaryFileHandle(EQUALS_METHOD_FILE_NAME));
-        }
-        if ((getGeneratedTempFiles() & TO_STRING_IMPL_MASK) != 0) {
-            setToStringImplTempFileHandle(getTemporaryFileHandle(TO_STRING_METHOD_FILE_NAME));
-        }
-        if ((getGeneratedTempFiles() & FROM_STRING_IMPL_MASK) != 0) {
-            setFromStringImplTempFileHandle(getTemporaryFileHandle(FROM_STRING_METHOD_FILE_NAME));
-        }
-        if ((getGeneratedTempFiles() & AUGMENTE_CLASS_CONSTRUCTOR_MASK) != 0) {
-            setAugmentConstructorImplTempFileHandle(getTemporaryFileHandle(AUGMENT_CONSTRUCTOR_FILE_NAME));
-        }
+    /**
+     * Returns from string method's temporary file handle.
+     *
+     * @return from string method's temporary file handle
+     */
+    public File getFromStringImplTempFileHandle() {
+        return fromStringImplTempFileHandle;
+    }
 
+    /**
+     * Sets from string method's temporary file handle.
+     *
+     * @param fromStringImplTempFileHandle from string method's temporary file handle
+     */
+    private void setFromStringImplTempFileHandle(File fromStringImplTempFileHandle) {
+        this.fromStringImplTempFileHandle = fromStringImplTempFileHandle;
     }
 
     /**
@@ -942,19 +1057,6 @@ public class TempJavaFragmentFiles {
     }
 
     /**
-     * Adds default constructor for class.
-     *
-     * @param pluginCnfig plugin configurations
-     * @return default constructor for class
-     * @throws IOException when fails to append to file
-     */
-    public String addOfMethod(YangPluginConfig pluginCnfig)
-            throws IOException {
-        return getJavaDoc(OF_METHOD, getGeneratedJavaClassName(), false, pluginCnfig)
-                + getOfMethod(getGeneratedJavaClassName(), null);
-    }
-
-    /**
      * Adds hash code method for class.
      *
      * @param attr attribute info
@@ -1050,7 +1152,7 @@ public class TempJavaFragmentFiles {
     /**
      * Returns data from the temporary files.
      *
-     * @param file temporary file handle
+     * @param file         temporary file handle
      * @param absolutePath absolute path
      * @return stored data from temporary files
      * @throws IOException when failed to get data from the given file
@@ -1117,159 +1219,6 @@ public class TempJavaFragmentFiles {
     }
 
     /**
-     * Adds current node info as and attribute to the parent generated file.
-     *
-     * @param curNode      current node which needs to be added as an attribute in
-     *                     the parent generated code
-     * @param isList       is list construct
-     * @param pluginConfig plugin configurations
-     * @throws IOException IO operation exception
-     */
-    public static void addCurNodeInfoInParentTempFile(YangNode curNode,
-                                                      boolean isList, YangPluginConfig pluginConfig)
-            throws IOException {
-        YangNode parent = getParentNodeInGenCode(curNode);
-        if (!(parent instanceof JavaCodeGenerator)) {
-            throw new TranslatorException("missing parent node to contain current node info in generated file");
-        }
-
-        if (parent instanceof YangJavaGrouping) {
-            /*
-             * In case of grouping, there is no need to add the information, it
-             * will be taken care in uses
-             */
-            return;
-        }
-
-        JavaAttributeInfo javaAttributeInfo = getCurNodeAsAttributeInTarget(curNode,
-                parent, isList);
-        if (!(parent instanceof TempJavaCodeFragmentFilesContainer)) {
-            throw new TranslatorException("missing parent temp file handle");
-        }
-        getNodesInterfaceFragmentFiles(parent)
-                .addJavaSnippetInfoToApplicableTempFiles(javaAttributeInfo, pluginConfig);
-    }
-
-    /**
-     * Adds current node info as and attribute to the parent generated file.
-     *
-     * @param curNode      current node which needs to be added as an attribute in
-     *                     the parent generated code
-     * @param pluginConfig plugin configurations
-     * @param targetNode   target node to add the attribute
-     * @throws IOException IO operation exception
-     */
-    public static void addCurNodeAsAttributeInTargetTempFile(YangNode curNode,
-                                                             YangPluginConfig pluginConfig, YangNode targetNode)
-            throws IOException {
-
-        if (!(targetNode instanceof JavaCodeGenerator)) {
-            throw new TranslatorException("invalid target node to generated file");
-        }
-
-        if (targetNode instanceof YangJavaGrouping) {
-            /*
-             * In case of grouping, there is no need to add the information, it
-             * will be taken care in uses
-             */
-            return;
-        }
-
-        boolean isList = curNode instanceof YangList;
-
-        JavaAttributeInfo javaAttributeInfo = getCurNodeAsAttributeInTarget(curNode,
-                targetNode, isList);
-        if (!(targetNode instanceof TempJavaCodeFragmentFilesContainer)) {
-            throw new TranslatorException("missing target node's temp file handle");
-        }
-        getNodesInterfaceFragmentFiles(targetNode)
-                .addJavaSnippetInfoToApplicableTempFiles(javaAttributeInfo, pluginConfig);
-    }
-
-    /**
-     * Creates an attribute info object corresponding to a data model node and
-     * return it.
-     *
-     * @param curNode    current data model node for which the java code generation
-     *                   is being handled
-     * @param targetNode target node in which the current node is an attribute
-     * @param isListNode is the current added attribute needs to be a list
-     * @return AttributeInfo attribute details required to add in temporary
-     * files
-     */
-    public static JavaAttributeInfo getCurNodeAsAttributeInTarget(YangNode curNode,
-                                                                  YangNode targetNode, boolean isListNode) {
-        String curNodeName = ((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName();
-        if (curNodeName == null) {
-            updateJavaFileInfo(curNode, null);
-            curNodeName = ((JavaFileInfoContainer) curNode).getJavaFileInfo().getJavaName();
-        }
-
-        /*
-         * Get the import info corresponding to the attribute for import in
-         * generated java files or qualified access
-         */
-        JavaQualifiedTypeInfo qualifiedTypeInfo = getQualifiedTypeInfoOfCurNode(curNode,
-                getCapitalCase(curNodeName));
-        if (!(targetNode instanceof TempJavaCodeFragmentFilesContainer)) {
-            throw new TranslatorException("Parent node does not have file info");
-        }
-        TempJavaFragmentFiles tempJavaFragmentFiles = getNodesInterfaceFragmentFiles(targetNode);
-        JavaImportData parentImportData = tempJavaFragmentFiles.getJavaImportData();
-        JavaFileInfo fileInfo = ((JavaFileInfoContainer) targetNode).getJavaFileInfo();
-
-        boolean isQualified;
-        if ((targetNode instanceof YangJavaModule || targetNode instanceof YangJavaSubModule)
-                && (qualifiedTypeInfo.getClassInfo().contentEquals(SERVICE)
-                || qualifiedTypeInfo.getClassInfo().contentEquals(COMPONENT)
-                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(ACTIVATE))
-                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(DEACTIVATE))
-                || qualifiedTypeInfo.getClassInfo().contentEquals(REFERENCE_CARDINALITY)
-                || qualifiedTypeInfo.getClassInfo().contentEquals(REFERENCE))
-                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(fileInfo.getJavaName() + SERVICE))
-                || qualifiedTypeInfo.getClassInfo().contentEquals(getCapitalCase(fileInfo.getJavaName() + MANAGER))) {
-
-            isQualified = true;
-        } else {
-            String className;
-            if (targetNode instanceof YangJavaModule || targetNode instanceof YangJavaSubModule) {
-                className = getCapitalCase(fileInfo.getJavaName()) + "Service";
-            } else {
-                className = getCapitalCase(fileInfo.getJavaName());
-            }
-
-            isQualified = parentImportData.addImportInfo(qualifiedTypeInfo,
-                    className, fileInfo.getPackage());
-        }
-
-        if (isListNode) {
-            parentImportData.setIfListImported(true);
-        }
-
-        return getAttributeInfoForTheData(qualifiedTypeInfo, curNodeName, null, isQualified, isListNode);
-    }
-
-    /**
-     * Returns interface fragment files for node.
-     *
-     * @param node YANG node
-     * @return interface fragment files for node
-     */
-    public static TempJavaFragmentFiles getNodesInterfaceFragmentFiles(YangNode node) {
-        TempJavaFragmentFiles tempJavaFragmentFiles;
-        if (node instanceof RpcNotificationContainer) {
-            tempJavaFragmentFiles = ((TempJavaCodeFragmentFilesContainer) node)
-                    .getTempJavaCodeFragmentFiles()
-                    .getServiceTempFiles();
-        } else {
-            tempJavaFragmentFiles = ((TempJavaCodeFragmentFilesContainer) node)
-                    .getTempJavaCodeFragmentFiles()
-                    .getBeanTempFiles();
-        }
-        return tempJavaFragmentFiles;
-    }
-
-    /**
      * Adds parent's info to current node import list.
      *
      * @param curNode      current node for which import list needs to be updated
@@ -1378,8 +1327,7 @@ public class TempJavaFragmentFiles {
     }
 
     /**
-     * Adds all the leaves in the current data model node as part of the
-     * generated temporary file.
+     * Adds all the leaves in the current data model node as part of the generated temporary file.
      *
      * @param curNode          java file info of the generated file
      * @param yangPluginConfig plugin config
@@ -1399,8 +1347,7 @@ public class TempJavaFragmentFiles {
     /**
      * Adds the new attribute info to the target generated temporary files.
      *
-     * @param newAttrInfo  the attribute info that needs to be added to temporary
-     *                     files
+     * @param newAttrInfo  the attribute info that needs to be added to temporary files
      * @param pluginConfig plugin configurations
      * @throws IOException IO operation fail
      */
@@ -1489,8 +1436,12 @@ public class TempJavaFragmentFiles {
      */
     public void generateJavaFile(int fileType, YangNode curNode)
             throws IOException {
-        List<String> imports = new ArrayList<>();
-        imports = getJavaImportData().getImports();
+
+        if (curNode instanceof YangModule || curNode instanceof YangSubModule) {
+            addResolvedAugmentedDataNodeImports(curNode);
+        }
+        List<String> imports = ((JavaCodeGeneratorInfo) curNode).getTempJavaCodeFragmentFiles().getBeanTempFiles()
+                .getJavaImportData().getImports();
 
         JavaFileInfo curInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
 
@@ -1543,7 +1494,10 @@ public class TempJavaFragmentFiles {
         }
         if ((fileType & BUILDER_CLASS_MASK) != 0 || (fileType & IMPL_CLASS_MASK) != 0) {
             if (isAttributePresent()) {
-                addImportsToStringAndHasCodeMethods(curNode, imports);
+                addImportsToStringAndHasCodeMethods(imports);
+            }
+            if (curNode instanceof YangAugmentableNode) {
+                addImportsForAugmentableClass(imports);
             }
             sortImports(imports);
             /*
@@ -1586,6 +1540,8 @@ public class TempJavaFragmentFiles {
             throws IOException {
         YangJavaAugment augment = (YangJavaAugment) curNode;
 
+        TempJavaBeanFragmentFiles tempJavaBeanFragmentFiles = ((JavaCodeGeneratorInfo) curNode)
+                .getTempJavaCodeFragmentFiles().getBeanTempFiles();
         YangNode augmentedNode = augment.getAugmentedNode();
         if (augmentedNode instanceof YangLeavesHolder) {
             YangLeavesHolder holder = (YangLeavesHolder) augmentedNode;
@@ -1610,7 +1566,10 @@ public class TempJavaFragmentFiles {
             if (augmentedNode instanceof YangList) {
                 isList = true;
             }
-            addAugmentConstructor(getCurNodeAsAttributeInTarget(augmentedNode, augment, isList), pluginConfig);
+            if (!(augmentedNode instanceof YangUses)) {
+                addAugmentConstructor(getCurNodeAsAttributeInTarget(augmentedNode, augment, isList,
+                        tempJavaBeanFragmentFiles), pluginConfig);
+            }
             augmentedNode = augmentedNode.getNextSibling();
         }
 
@@ -1619,14 +1578,23 @@ public class TempJavaFragmentFiles {
     /**
      * Adds imports for ToString and HashCodeMethod.
      *
-     * @param curNode current YANG node
      * @param imports import list
-     * @return import list
      */
-    public List<String> addImportsToStringAndHasCodeMethods(YangNode curNode, List<String> imports) {
+    public void addImportsToStringAndHasCodeMethods(List<String> imports) {
         imports.add(getJavaImportData().getImportForHashAndEquals());
         imports.add(getJavaImportData().getImportForToString());
-        return imports;
+    }
+
+
+    /**
+     * Adds import for map and hash map.
+     *
+     * @param imports import list
+     */
+    public void addImportsForAugmentableClass(List<String> imports) {
+        imports.add(getJavaImportData().getHashMapImport());
+        imports.add(getJavaImportData().getMapImport());
+        imports.add(getJavaImportData().getYangAugmentedInfoImport());
     }
 
     /**
@@ -1636,7 +1604,7 @@ public class TempJavaFragmentFiles {
      * @return import for class
      */
     private List<String> removeAugmentedImport(List<String> imports, JavaQualifiedTypeInfo augmentedInfo) {
-        String augmentedNodeImport = null;
+        String augmentedNodeImport;
         if (imports != null && augmentedInfo != null) {
             augmentedNodeImport = IMPORT + augmentedInfo.getPkgInfo() + PERIOD + getCapitalCase(DEFAULT)
                     + augmentedInfo.getClassInfo() + PERIOD + augmentedInfo.getClassInfo()
@@ -1646,6 +1614,7 @@ public class TempJavaFragmentFiles {
                     + augmentedInfo.getClassInfo() + PERIOD + augmentedInfo.getClassInfo()
                     + BUILDER + SEMI_COLAN + NEW_LINE;
             imports.remove(augmentedNodeImport);
+            imports.remove(getJavaImportData().getYangAugmentedInfoImport());
         }
         return imports;
     }
@@ -1668,9 +1637,8 @@ public class TempJavaFragmentFiles {
     /**
      * Removes all temporary file handles.
      *
-     * @param isErrorOccurred when translator fails to generate java files we
-     *                        need to close all open file handles include temporary files
-     *                        and java files.
+     * @param isErrorOccurred when translator fails to generate java files we need to close all open file handles
+     *                        include temporary files and java files.
      * @throws IOException when failed to delete the temporary files
      */
     public void freeTemporaryResources(boolean isErrorOccurred)
@@ -1719,8 +1687,8 @@ public class TempJavaFragmentFiles {
     }
 
     /**
-     * Returns if the attribute needs to be accessed in a qualified manner or
-     * not, if it needs to be imported, then the same needs to be done.
+     * Returns if the attribute needs to be accessed in a qualified manner or not, if it needs to be imported, then the
+     * same needs to be done.
      *
      * @param importInfo import info for the current attribute being added
      * @return status of the qualified access to the attribute
@@ -1732,16 +1700,4 @@ public class TempJavaFragmentFiles {
                 getJavaFileInfo().getPackage());
     }
 
-    /**
-     * Checks if the import info is same as the package of the current generated
-     * java file.
-     *
-     * @param importInfo import info for an attribute
-     * @return true if the import info is same as the current nodes package
-     * false otherwise
-     */
-    public boolean isImportPkgEqualCurNodePkg(JavaQualifiedTypeInfo importInfo) {
-        return getJavaFileInfo().getPackage()
-                .contentEquals(importInfo.getPkgInfo());
-    }
 }

@@ -22,9 +22,9 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.onosproject.yangutils.datamodel.YangNode;
-import org.onosproject.yangutils.datamodel.YangNotification;
 import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModule;
 import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaSubModule;
+import org.onosproject.yangutils.translator.tojava.utils.JavaExtendsListHolder;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_LISTENER_INTERFACE;
@@ -38,6 +38,8 @@ import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.RPC_INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.JavaAttributeInfo.getAttributeInfoForTheData;
 import static org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo.getQualifiedTypeInfoOfCurNode;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.addAnnotationsImports;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.addListenersImport;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getJavaClassDefClose;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateEventFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateEventListenerFile;
@@ -45,17 +47,12 @@ import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerato
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateManagerClassFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGenerator.generateServiceInterfaceFile;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getFileObject;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.createPackage;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getEnumJavaAttribute;
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getGetterForClass;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getRpcManagerMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getRpcServiceMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterForClass;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.addAnnotationsImports;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.addListenersImport;
-import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
 import static org.onosproject.yangutils.utils.UtilConstants.COMMA;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_STRING;
@@ -66,22 +63,30 @@ import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
 import static org.onosproject.yangutils.utils.UtilConstants.RPC_INPUT_VAR_NAME;
 import static org.onosproject.yangutils.utils.UtilConstants.SLASH;
 import static org.onosproject.yangutils.utils.UtilConstants.VOID;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.createPackage;
-import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.generateJavaDocForRpc;
-import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
+import static org.onosproject.yangutils.utils.io.impl.FileSystemUtil.closeFile;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.ENUM_ATTRIBUTE;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.GETTER_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.MANAGER_SETTER_METHOD;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.generateJavaDocForRpc;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getAbsolutePackagePath;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.insertDataIntoJavaFile;
 
 /**
- * Represents implementation of java service code fragments temporary implementations.
- * Maintains the temp files required specific for service and manager java snippet generation.
+ * Represents implementation of java service code fragments temporary implementations. Maintains the temp files required
+ * specific for service and manager java snippet generation.
  */
 public class TempJavaServiceFragmentFiles
         extends TempJavaFragmentFiles {
 
     /**
+     * File name for generated class file for special type like union, typedef suffix.
+     */
+    public static final String EVENT_SUBJECT_NAME_SUFFIX = "EventSubject";
+    /**
      * File name for rpc method.
      */
     private static final String RPC_INTERFACE_FILE_NAME = "Rpc";
@@ -139,13 +144,6 @@ public class TempJavaServiceFragmentFiles
      * suffix.
      */
     private static final String EVENT_LISTENER_FILE_NAME_SUFFIX = "Listener";
-
-    /**
-     * File name for generated class file for special type like union, typedef
-     * suffix.
-     */
-    public static final String EVENT_SUBJECT_NAME_SUFFIX = "EventSubject";
-
     private static final String JAVA_FILE_EXTENSION = ".java";
 
     /**
@@ -209,6 +207,65 @@ public class TempJavaServiceFragmentFiles
     private File eventSubjectSetterTempFileHandle;
 
     /**
+     * Creates an instance of temporary java code fragment.
+     *
+     * @param javaFileInfo generated file information
+     * @throws IOException when fails to create new file handle
+     */
+    public TempJavaServiceFragmentFiles(JavaFileInfo javaFileInfo)
+            throws IOException {
+        setJavaExtendsListHolder(new JavaExtendsListHolder());
+        setJavaImportData(new JavaImportData());
+        setJavaFileInfo(javaFileInfo);
+        setAbsoluteDirPath(getAbsolutePackagePath(getJavaFileInfo().getBaseCodeGenPath(),
+                getJavaFileInfo().getPackageFilePath()));
+        addGeneratedTempFile(RPC_INTERFACE_MASK);
+        addGeneratedTempFile(RPC_IMPL_MASK);
+
+        addGeneratedTempFile(EVENT_ENUM_MASK);
+        addGeneratedTempFile(EVENT_METHOD_MASK);
+        addGeneratedTempFile(EVENT_SUBJECT_ATTRIBUTE_MASK);
+        addGeneratedTempFile(EVENT_SUBJECT_GETTER_MASK);
+        addGeneratedTempFile(EVENT_SUBJECT_SETTER_MASK);
+
+        setRpcInterfaceTempFileHandle(getTemporaryFileHandle(RPC_INTERFACE_FILE_NAME));
+        setRpcImplTempFileHandle(getTemporaryFileHandle(RPC_IMPL_FILE_NAME));
+
+        setEventEnumTempFileHandle(getTemporaryFileHandle(EVENT_ENUM_FILE_NAME));
+        setEventMethodTempFileHandle(getTemporaryFileHandle(EVENT_METHOD_FILE_NAME));
+        setEventSubjectAttributeTempFileHandle(getTemporaryFileHandle(EVENT_SUBJECT_ATTRIBUTE_FILE_NAME));
+        setEventSubjectGetterTempFileHandle(getTemporaryFileHandle(EVENT_SUBJECT_GETTER_FILE_NAME));
+        setEventSubjectSetterTempFileHandle(getTemporaryFileHandle(EVENT_SUBJECT_SETTER_FILE_NAME));
+    }
+
+    /*Adds event method contents to event file.*/
+    private static String getEventFileContents(String eventClassname, String classname) {
+        return "\n" +
+                "    /**\n" +
+                "     * Creates " + classname + " event with type and subject.\n" +
+                "     *\n" +
+                "     * @param type event type\n" +
+                "     * @param subject subject " + classname + "\n" +
+                "     */\n" +
+                "    public " + eventClassname + "(Type type, " + getCapitalCase(classname) + " subject) {\n" +
+                "        super(type, subject);\n" +
+                "    }\n" +
+                "\n" +
+                "    /**\n" +
+                "     * Creates " + classname + " event with type, subject and time.\n" +
+                "     *\n" +
+                "     * @param type event type\n" +
+                "     * @param subject subject " + classname + "\n" +
+                "     * @param time time of event\n" +
+                "     */\n" +
+                "    public " + eventClassname + "(Type type, " + getCapitalCase(classname)
+                + " subject, long time) {\n" +
+                "        super(type, subject, time);\n" +
+                "    }\n" +
+                "\n";
+    }
+
+    /**
      * Returns rpc method's java file handle.
      *
      * @return java file handle
@@ -335,35 +392,6 @@ public class TempJavaServiceFragmentFiles
     }
 
     /**
-     * Creates an instance of temporary java code fragment.
-     *
-     * @param javaFileInfo generated file information
-     * @throws IOException when fails to create new file handle
-     */
-    public TempJavaServiceFragmentFiles(JavaFileInfo javaFileInfo)
-            throws IOException {
-        super(javaFileInfo);
-
-        addGeneratedTempFile(RPC_INTERFACE_MASK);
-        addGeneratedTempFile(RPC_IMPL_MASK);
-
-        addGeneratedTempFile(EVENT_ENUM_MASK);
-        addGeneratedTempFile(EVENT_METHOD_MASK);
-        addGeneratedTempFile(EVENT_SUBJECT_ATTRIBUTE_MASK);
-        addGeneratedTempFile(EVENT_SUBJECT_GETTER_MASK);
-        addGeneratedTempFile(EVENT_SUBJECT_SETTER_MASK);
-
-        setRpcInterfaceTempFileHandle(getTemporaryFileHandle(RPC_INTERFACE_FILE_NAME));
-        setRpcImplTempFileHandle(getTemporaryFileHandle(RPC_IMPL_FILE_NAME));
-
-        setEventEnumTempFileHandle(getTemporaryFileHandle(EVENT_ENUM_FILE_NAME));
-        setEventMethodTempFileHandle(getTemporaryFileHandle(EVENT_METHOD_FILE_NAME));
-        setEventSubjectAttributeTempFileHandle(getTemporaryFileHandle(EVENT_SUBJECT_ATTRIBUTE_FILE_NAME));
-        setEventSubjectGetterTempFileHandle(getTemporaryFileHandle(EVENT_SUBJECT_GETTER_FILE_NAME));
-        setEventSubjectSetterTempFileHandle(getTemporaryFileHandle(EVENT_SUBJECT_SETTER_FILE_NAME));
-    }
-
-    /**
      * Constructs java code exit.
      *
      * @param fileType generated file type
@@ -373,7 +401,8 @@ public class TempJavaServiceFragmentFiles
     @Override
     public void generateJavaFile(int fileType, YangNode curNode)
             throws IOException {
-        List<String> imports = getJavaImportData().getImports();
+        List<String> imports = ((JavaCodeGeneratorInfo) curNode).getTempJavaCodeFragmentFiles().getServiceTempFiles()
+                .getJavaImportData().getImports();
 
         createPackage(curNode);
 
@@ -395,7 +424,7 @@ public class TempJavaServiceFragmentFiles
          * Creates rpc interface file.
          */
         setServiceInterfaceJavaFileHandle(getJavaFileHandle(getJavaClassName(SERVICE_FILE_NAME_SUFFIX)));
-        generateServiceInterfaceFile(getServiceInterfaceJavaFileHandle(), curNode, imports, isAttributePresent());
+        generateServiceInterfaceFile(getServiceInterfaceJavaFileHandle(), curNode, imports);
 
         if (isNotification) {
             addListenersImport(curNode, imports, false, LISTENER_SERVICE);
@@ -406,7 +435,7 @@ public class TempJavaServiceFragmentFiles
          * Create builder class file.
          */
         setManagerJavaFileHandle(getJavaFileHandle(getJavaClassName(MANAGER_FILE_NAME_SUFFIX)));
-        generateManagerClassFile(getManagerJavaFileHandle(), imports, curNode, isAttributePresent());
+        generateManagerClassFile(getManagerJavaFileHandle(), imports, curNode);
 
         insertDataIntoJavaFile(getManagerJavaFileHandle(), getJavaClassDefClose());
         if (isNotification) {
@@ -436,8 +465,8 @@ public class TempJavaServiceFragmentFiles
      * @throws IOException IO operation fail
      */
     private void addRpcString(JavaAttributeInfo javaAttributeInfoOfInput,
-            JavaAttributeInfo javaAttributeInfoOfOutput, YangPluginConfig pluginConfig,
-            String rpcName)
+                              JavaAttributeInfo javaAttributeInfoOfOutput, YangPluginConfig pluginConfig,
+                              String rpcName)
             throws IOException {
         String rpcInput = EMPTY_STRING;
         String rpcOutput = VOID;
@@ -468,8 +497,8 @@ public class TempJavaServiceFragmentFiles
      * @throws IOException IO operation fail
      */
     public void addJavaSnippetInfoToApplicableTempFiles(JavaAttributeInfo javaAttributeInfoOfInput,
-            JavaAttributeInfo javaAttributeInfoOfOutput, YangPluginConfig pluginConfig,
-            String rpcName)
+                                                        JavaAttributeInfo javaAttributeInfoOfOutput,
+                                                        YangPluginConfig pluginConfig, String rpcName)
             throws IOException {
         addRpcString(javaAttributeInfoOfInput, javaAttributeInfoOfOutput, pluginConfig, rpcName);
     }
@@ -477,7 +506,7 @@ public class TempJavaServiceFragmentFiles
     /**
      * Constructs java code exit.
      *
-     * @param curNode  current YANG node
+     * @param curNode current YANG node
      * @throws IOException when fails to generate java files
      */
     public void generateEventJavaFile(YangNode curNode)
@@ -534,7 +563,7 @@ public class TempJavaServiceFragmentFiles
     /**
      * Constructs java code exit.
      *
-     * @param curNode  current YANG node
+     * @param curNode current YANG node
      * @throws IOException when fails to generate java files
      */
     public void generateEventSubjectJavaFile(YangNode curNode)
@@ -558,9 +587,8 @@ public class TempJavaServiceFragmentFiles
     /**
      * Removes all temporary file handles.
      *
-     * @param isErrorOccurred when translator fails to generate java files we
-     *                        need to close all open file handles include temporary files
-     *                        and java files.
+     * @param isErrorOccurred when translator fails to generate java files we need to close all open file handles
+     *                        include temporary files and java files.
      * @throws IOException when failed to delete the temporary files
      */
     @Override
@@ -691,9 +719,9 @@ public class TempJavaServiceFragmentFiles
     public void addJavaSnippetOfEvent(YangNode curNode, YangPluginConfig pluginConfig)
             throws IOException {
 
-        String currentInfo = getCapitalCase(getCamelCase(((YangNotification) curNode).getName(),
+        String currentInfo = getCapitalCase(getCamelCase(curNode.getName(),
                 pluginConfig.getConflictResolver()));
-        String notificationName = ((YangNotification) curNode).getName();
+        String notificationName = curNode.getName();
 
         JavaQualifiedTypeInfo qualifiedTypeInfo = getQualifiedTypeInfoOfCurNode(curNode,
                 getCapitalCase(currentInfo));
@@ -722,33 +750,6 @@ public class TempJavaServiceFragmentFiles
         appendToFile(getEventMethodTempFileHandle(), getEventFileContents(eventClassname, className));
     }
 
-    /*Adds event method contents to event file.*/
-    private static String getEventFileContents(String eventClassname, String classname) {
-        return "\n" +
-                "    /**\n" +
-                "     * Creates " + classname + " event with type and subject.\n" +
-                "     *\n" +
-                "     * @param type event type\n" +
-                "     * @param subject subject " + classname + "\n" +
-                "     */\n" +
-                "    public " + eventClassname + "(Type type, " + getCapitalCase(classname) + " subject) {\n" +
-                "        super(type, subject);\n" +
-                "    }\n" +
-                "\n" +
-                "    /**\n" +
-                "     * Creates " + classname + " event with type, subject and time.\n" +
-                "     *\n" +
-                "     * @param type event type\n" +
-                "     * @param subject subject " + classname + "\n" +
-                "     * @param time time of event\n" +
-                "     */\n" +
-                "    public " + eventClassname + "(Type type, " + getCapitalCase(classname)
-                + " subject, long time) {\n" +
-                "        super(type, subject, time);\n" +
-                "    }\n" +
-                "\n";
-    }
-
     /*Adds events to event subject file.*/
     private void addEventSubjectAttribute(JavaAttributeInfo attr, YangPluginConfig pluginConfig)
             throws IOException {

@@ -332,7 +332,7 @@ public class TempJavaTypeFragmentFiles
          * Creates type def class file.
          */
         if ((fileType & GENERATE_TYPEDEF_CLASS) != 0) {
-            addImportsToStringAndHasCodeMethods(curNode, imports);
+            addImportsToStringAndHasCodeMethods(imports);
             setTypedefClassJavaFileHandle(getJavaFileHandle(getJavaClassName(TYPEDEF_CLASS_FILE_NAME_SUFFIX)));
             generateTypeDefClassFile(getTypedefClassJavaFileHandle(), curNode, imports);
         }
@@ -340,7 +340,7 @@ public class TempJavaTypeFragmentFiles
          * Creates type class file.
          */
         if ((fileType & GENERATE_UNION_CLASS) != 0) {
-            addImportsToStringAndHasCodeMethods(curNode, imports);
+            addImportsToStringAndHasCodeMethods(imports);
             setTypeClassJavaFileHandle(getJavaFileHandle(getJavaClassName(UNION_TYPE_CLASS_FILE_NAME_SUFFIX)));
             generateUnionClassFile(getTypeClassJavaFileHandle(), curNode, imports);
         }

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.onosproject.yangutils.translator.tojava.javamodel;
+package org.onosproject.yangutils.translator.tojava;
 
 import java.io.File;
 import java.io.IOException;
@@ -26,16 +26,17 @@ import org.onosproject.yangutils.datamodel.YangCase;
 import org.onosproject.yangutils.datamodel.YangChoice;
 import org.onosproject.yangutils.datamodel.YangGrouping;
 import org.onosproject.yangutils.datamodel.YangLeavesHolder;
+import org.onosproject.yangutils.datamodel.YangModule;
 import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangSubModule;
 import org.onosproject.yangutils.datamodel.YangTypeDef;
 import org.onosproject.yangutils.datamodel.YangTypeHolder;
 import org.onosproject.yangutils.datamodel.utils.DataModelUtils;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
-import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
-import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
-import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
-import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
-import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
+import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaAugment;
+import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaEnumeration;
+import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModule;
+import org.onosproject.yangutils.translator.tojava.javamodel.YangJavaSubModule;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.datamodel.utils.DataModelUtils.isRpcChildNodePresent;
@@ -50,6 +51,8 @@ import static org.onosproject.yangutils.utils.UtilConstants.DEFAULT;
 import static org.onosproject.yangutils.utils.UtilConstants.MANAGER;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
 import static org.onosproject.yangutils.utils.UtilConstants.SERVICE;
+import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO;
+import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO_CLASS_IMPORT_PKG;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getPackageDirPathFromJavaJPackage;
@@ -75,7 +78,6 @@ public final class YangJavaModelUtils {
     public static void updatePackageInfo(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
                                          YangPluginConfig yangPluginConfig)
             throws IOException {
-
         if (javaCodeGeneratorInfo instanceof YangJavaAugment) {
             javaCodeGeneratorInfo.getJavaFileInfo()
                     .setJavaName(((YangJavaAugment) javaCodeGeneratorInfo).getAugmentClassName());
@@ -138,11 +140,11 @@ public final class YangJavaModelUtils {
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles()
                     .getServiceTempFiles().addCurNodeLeavesInfoToTempFiles(
                     (YangNode) javaCodeGeneratorInfo, yangPluginConfig);
-            if ((YangNode) javaCodeGeneratorInfo instanceof YangJavaModule) {
+            if (javaCodeGeneratorInfo instanceof YangJavaModule) {
                 if (!((YangJavaModule) javaCodeGeneratorInfo).getNotificationNodes().isEmpty()) {
                     updateNotificaitonNodeInfo(javaCodeGeneratorInfo, yangPluginConfig);
                 }
-            } else if ((YangNode) javaCodeGeneratorInfo instanceof YangJavaSubModule) {
+            } else if (javaCodeGeneratorInfo instanceof YangJavaSubModule) {
                 if (!((YangJavaSubModule) javaCodeGeneratorInfo).getNotificationNodes().isEmpty()) {
                     updateNotificaitonNodeInfo(javaCodeGeneratorInfo, yangPluginConfig);
                 }
@@ -186,6 +188,7 @@ public final class YangJavaModelUtils {
      * Process generate code entry of YANG node.
      *
      * @param javaCodeGeneratorInfo YANG java file info node
+     * @param yangPluginConfig      plugin configurations
      * @throws IOException IO operations fails
      */
     private static void generateTempFiles(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
@@ -209,14 +212,14 @@ public final class YangJavaModelUtils {
     private static void updateNotificaitonNodeInfo(JavaCodeGeneratorInfo javaCodeGeneratorInfo,
                                                    YangPluginConfig yangPluginConfig)
             throws IOException {
-        if ((YangNode) javaCodeGeneratorInfo instanceof YangJavaModule) {
+        if (javaCodeGeneratorInfo instanceof YangJavaModule) {
             for (YangNode notificaiton : ((YangJavaModule) javaCodeGeneratorInfo).getNotificationNodes()) {
                 javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles()
                         .getServiceTempFiles()
                         .addJavaSnippetOfEvent(notificaiton, yangPluginConfig);
             }
         }
-        if ((YangNode) javaCodeGeneratorInfo instanceof YangJavaSubModule) {
+        if (javaCodeGeneratorInfo instanceof YangJavaSubModule) {
             for (YangNode notificaiton : ((YangJavaSubModule) javaCodeGeneratorInfo)
                     .getNotificationNodes()) {
                 javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles()
@@ -267,8 +270,9 @@ public final class YangJavaModelUtils {
         }
 
         generateCodeOfNode(javaCodeGeneratorInfo, yangPlugin);
-
+        TempJavaCodeFragmentFiles tempJavaCodeFragmentFiles = javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles();
         if (javaCodeGeneratorInfo instanceof YangJavaAugment) {
+
             JavaQualifiedTypeInfo augmentedBuilderInfo = new JavaQualifiedTypeInfo();
             JavaQualifiedTypeInfo augmentedBuilderClassInfo = new JavaQualifiedTypeInfo();
             JavaQualifiedTypeInfo augmentedClassInfo = new JavaQualifiedTypeInfo();
@@ -283,8 +287,10 @@ public final class YangJavaModelUtils {
             } else {
                 name = getCapitalCase(getCamelCase(augmentedNode.getName(), yangPlugin.getConflictResolver()));
                 augmentedClassInfo.setClassInfo(name);
-                augmentedClassInfo.setPkgInfo(getAugmentedNodesPackage(augmentedNode, yangPlugin));
+                augmentedClassInfo.setPkgInfo(getAugmentedNodesPackage(augmentedNode,
+                        yangPlugin));
             }
+
             augmentedBuilderInfo.setClassInfo(name + PERIOD + name + BUILDER);
             augmentedBuilderInfo.setPkgInfo(augmentedClassInfo.getPkgInfo());
             augmentedBuilderClassInfo.setClassInfo(getCapitalCase(DEFAULT) + name + PERIOD + name + BUILDER);
@@ -296,13 +302,25 @@ public final class YangJavaModelUtils {
             ((YangJavaAugment) javaCodeGeneratorInfo).addToExtendedClassInfo(augmentedBuilderClassInfo);
             ((YangJavaAugment) javaCodeGeneratorInfo).addToExtendedClassInfo(augmentedClassInfo);
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
-                    .addToExtendsList(augmentedClassInfo, (YangNode) javaCodeGeneratorInfo);
+                    .addToExtendsList(augmentedClassInfo, (YangNode) javaCodeGeneratorInfo,
+                            tempJavaCodeFragmentFiles.getBeanTempFiles());
+            javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
+                    .addToExtendsList(augmentedBuilderInfo, (YangNode) javaCodeGeneratorInfo,
+                            tempJavaCodeFragmentFiles.getBeanTempFiles());
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
-                    .addToExtendsList(augmentedBuilderInfo, (YangNode) javaCodeGeneratorInfo);
+                    .addToExtendsList(augmentedImplInfo, (YangNode) javaCodeGeneratorInfo,
+                            tempJavaCodeFragmentFiles.getBeanTempFiles());
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
-                    .addToExtendsList(augmentedImplInfo, (YangNode) javaCodeGeneratorInfo);
+                    .addToExtendsList(augmentedBuilderClassInfo, (YangNode) javaCodeGeneratorInfo,
+                            tempJavaCodeFragmentFiles.getBeanTempFiles());
+
+            JavaQualifiedTypeInfo yangAugmentedInfo = new JavaQualifiedTypeInfo();
+            yangAugmentedInfo.setClassInfo(YANG_AUGMENTED_INFO);
+            yangAugmentedInfo.setPkgInfo(YANG_AUGMENTED_INFO_CLASS_IMPORT_PKG);
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
-                    .addToExtendsList(augmentedBuilderClassInfo, (YangNode) javaCodeGeneratorInfo);
+                    .addToExtendsList(yangAugmentedInfo, (YangNode) javaCodeGeneratorInfo,
+                            tempJavaCodeFragmentFiles.getBeanTempFiles());
+
 
         }
 
@@ -314,7 +332,8 @@ public final class YangJavaModelUtils {
             parentsInfo.setClassInfo(parentName);
             parentsInfo.setPkgInfo(parentPkg);
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles().getJavaExtendsListHolder()
-                    .addToExtendsList(parentsInfo, (YangNode) javaCodeGeneratorInfo);
+                    .addToExtendsList(parentsInfo, (YangNode) javaCodeGeneratorInfo,
+                            tempJavaCodeFragmentFiles.getBeanTempFiles());
 
             javaCodeGeneratorInfo.getTempJavaCodeFragmentFiles().getBeanTempFiles()
                     .addParentInfoInCurNodeTempFile((YangNode) javaCodeGeneratorInfo, yangPlugin);
@@ -322,45 +341,6 @@ public final class YangJavaModelUtils {
         }
     }
 
-    private static String getAugmentedNodesPackage(YangNode node, YangPluginConfig yangPluginConfig) {
-
-        List<String> clsInfo = new ArrayList<>();
-        node = node.getParent();
-        while (node != null) {
-            if (!(node instanceof YangJavaModule)
-                    || !(node instanceof YangJavaSubModule)) {
-                if (node instanceof YangJavaAugment) {
-                    clsInfo.add(((YangJavaAugment) node).getAugmentClassName());
-                } else {
-                    clsInfo.add(getCamelCase(node.getName(), yangPluginConfig.getConflictResolver()));
-                }
-            }
-            if (node instanceof YangJavaModule
-                    || node instanceof YangJavaSubModule) {
-                break;
-            }
-            node = node.getParent();
-        }
-
-        StringBuilder pkg = new StringBuilder();
-        if (node instanceof YangJavaModule) {
-            YangJavaModule module = (YangJavaModule) node;
-            pkg.append(getRootPackage(module.getVersion(), module.getNameSpace().getUri(), module
-                    .getRevision().getRevDate(), yangPluginConfig.getConflictResolver()));
-        } else if (node instanceof YangJavaSubModule) {
-            YangJavaSubModule submodule = (YangJavaSubModule) node;
-            pkg.append(getRootPackage(submodule.getVersion(),
-                    submodule.getNameSpaceFromModule(submodule.getBelongsTo()),
-                    submodule.getRevision().getRevDate(), yangPluginConfig.getConflictResolver()));
-        }
-        for (int i = 1; i <= clsInfo.size(); i++) {
-            pkg.append("." + clsInfo.get(clsInfo.size() - i));
-        }
-
-        return pkg.toString().toLowerCase();
-
-    }
-
     /**
      * Generates code for the current data model node.
      *
@@ -398,18 +378,17 @@ public final class YangJavaModelUtils {
             javaCodeGeneratorInfo.getJavaFileInfo().addGeneratedFileTypes(GENERATE_SERVICE_AND_MANAGER);
         }
 
-        if ((YangNode) javaCodeGeneratorInfo instanceof YangJavaModule) {
+        if (javaCodeGeneratorInfo instanceof YangJavaModule) {
             if (!((YangJavaModule) javaCodeGeneratorInfo)
                     .isNotificationChildNodePresent((YangNode) javaCodeGeneratorInfo)) {
                 updateCodeGenInfoForEvent(javaCodeGeneratorInfo);
             }
-        } else if ((YangNode) javaCodeGeneratorInfo instanceof YangJavaSubModule) {
+        } else if (javaCodeGeneratorInfo instanceof YangJavaSubModule) {
             if (!((YangJavaSubModule) javaCodeGeneratorInfo)
                     .isNotificationChildNodePresent((YangNode) javaCodeGeneratorInfo)) {
                 updateCodeGenInfoForEvent(javaCodeGeneratorInfo);
             }
         }
-
         generateTempFiles(javaCodeGeneratorInfo, yangPluginConfig);
     }
 
@@ -452,13 +431,26 @@ public final class YangJavaModelUtils {
     public static boolean isManagerCodeGenRequired(YangNode node) {
         YangLeavesHolder holder = (YangLeavesHolder) node;
 
-        if (holder.getListOfLeaf() != null && !holder.getListOfLeaf().isEmpty()) {
-            return true;
-        } else if (holder.getListOfLeafList() != null && !holder.getListOfLeafList().isEmpty()) {
-            return true;
-        }
+        boolean isCodeReq = true;
+
+        List<YangNode> childNodes = new ArrayList<>();
         node = node.getChild();
-        return node != null && !(node instanceof YangTypeDef) && !(node instanceof YangGrouping);
+        while (node != null) {
+            childNodes.add(node);
+            node = node.getNextSibling();
+        }
+
+        if (childNodes.size() == 0) {
+            if (holder.getListOfLeaf() != null && !holder.getListOfLeaf().isEmpty()) {
+                isCodeReq = true;
+            } else if (holder.getListOfLeafList() != null && !holder.getListOfLeafList().isEmpty()) {
+                isCodeReq = true;
+            }
+            return isCodeReq;
+        } else if (childNodes.size() == 1) {
+            return childNodes.get(0) instanceof YangTypeDef && childNodes.get(0) instanceof YangGrouping;
+        }
+        return isCodeReq;
     }
 
     /**
@@ -482,4 +474,49 @@ public final class YangJavaModelUtils {
         return true;
     }
 
+    /**
+     * Returns augmented nodes package.
+     *
+     * @param node             augmented node
+     * @param yangPluginConfig plugin config
+     * @return java package
+     */
+    public static String getAugmentedNodesPackage(YangNode node, YangPluginConfig yangPluginConfig) {
+
+        List<String> clsInfo = new ArrayList<>();
+        node = node.getParent();
+        while (node != null) {
+            if (!(node instanceof YangModule)
+                    || !(node instanceof YangSubModule)) {
+                if (node instanceof YangJavaAugment) {
+                    clsInfo.add(((YangJavaAugment) node).getAugmentClassName());
+                } else {
+                    clsInfo.add(getCamelCase(node.getName(), yangPluginConfig.getConflictResolver()));
+                }
+            }
+            if (node instanceof YangJavaModule
+                    || node instanceof YangJavaSubModule) {
+                break;
+            }
+            node = node.getParent();
+        }
+
+        StringBuilder pkg = new StringBuilder();
+        if (node instanceof YangJavaModule) {
+            YangJavaModule module = (YangJavaModule) node;
+            pkg.append(getRootPackage(module.getVersion(), module.getNameSpace().getUri(), module
+                    .getRevision().getRevDate(), yangPluginConfig.getConflictResolver()));
+        } else if (node instanceof YangJavaSubModule) {
+            YangJavaSubModule submodule = (YangJavaSubModule) node;
+            pkg.append(getRootPackage(submodule.getVersion(),
+                    submodule.getNameSpaceFromModule(submodule.getBelongsTo()),
+                    submodule.getRevision().getRevDate(), yangPluginConfig.getConflictResolver()));
+        }
+        for (int i = 1; i <= clsInfo.size(); i++) {
+            pkg.append("." + clsInfo.get(clsInfo.size() - i));
+        }
+
+        return pkg.toString().toLowerCase();
+
+    }
 }

@@ -34,7 +34,7 @@ import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
 import org.onosproject.yangutils.utils.io.impl.YangToJavaNamingConflictUtil;
 
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.getCurNodePackage;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.getCurNodePackage;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
 import static org.onosproject.yangutils.utils.UtilConstants.BIG_INTEGER;
 import static org.onosproject.yangutils.utils.UtilConstants.BIG_DECIMAL;

@@ -30,7 +30,8 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfAugmentableNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfAugmentableNode;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
 
 /**
@@ -154,10 +155,11 @@ public class YangJavaAugment
      */
     public String getAugmentClassName() {
         YangNodeIdentifier nodeId = getTargetNode().get(getTargetNode().size() - 1).getNodeIdentifier();
+        String name = getCapitalCase(getCamelCase(nodeId.getName(), null));
         if (nodeId.getPrefix() != null) {
-            return AUGMENTED + getCapitalCase(nodeId.getPrefix()) + getCapitalCase(nodeId.getName());
+            return AUGMENTED + getCapitalCase(nodeId.getPrefix()) + name;
         } else {
-            return AUGMENTED + getCapitalCase(nodeId.getName());
+            return AUGMENTED + name;
         }
     }
 
@@ -173,7 +175,7 @@ public class YangJavaAugment
     /**
      * Sets extended class info.
      *
-     * @param augmentedInfo  extended class info
+     * @param augmentedInfo extended class info
      */
     private void setExtendedClassInfo(List<JavaQualifiedTypeInfo> augmentedInfo) {
         extendedClassInfo = augmentedInfo;

@@ -26,7 +26,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfAugmentableNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfAugmentableNode;
 
 /**
  * Represents case information extended to support java code generation.

@@ -26,7 +26,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.INTERFACE_MASK;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeAndUpdateInParent;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeAndUpdateInParent;
 
 /**
  * Represents choice information extended to support java code generation.

@@ -26,7 +26,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeAndUpdateInParent;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeAndUpdateInParent;
 
 /**
  * Represents container information extended to support java code generation.

@@ -27,7 +27,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_ENUM_CLASS;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfNode;
 
 /**
  * Represents YANG java enumeration information extended to support java code generation.

@@ -31,7 +31,7 @@ import java.util.List;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_IDENTITY_CLASS;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.updatePackageInfo;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.updatePackageInfo;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getFileObject;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.initiateJavaFileGeneration;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.createPackage;

@@ -27,7 +27,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfAugmentableNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfAugmentableNode;
 
 /**
  * Represents input information extended to support java code generation.

@@ -26,7 +26,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeAndUpdateInParent;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeAndUpdateInParent;
 
 /**
  * Represents YANG list information extended to support java code generation.

@@ -32,10 +32,11 @@ import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_LISTENER_INTERFACE;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_SUBJECT_CLASS;
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_SERVICE_AND_MANAGER;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfRootNode;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.isManagerCodeGenRequired;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.isGenerationOfCodeReq;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfRootNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.isManagerCodeGenRequired;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.isGenerationOfCodeReq;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.searchAndDeleteTempDir;
 
@@ -71,7 +72,7 @@ public class YangJavaModule
         super();
         setJavaFileInfo(new JavaFileInfo());
         setNotificationNodes(new ArrayList<>());
-        int gentype = GENERATE_SERVICE_AND_MANAGER;
+        int gentype = GENERATE_SERVICE_AND_MANAGER | GENERATE_INTERFACE_WITH_BUILDER;
         if (isNotificationChildNodePresent(this)) {
             gentype = GENERATE_SERVICE_AND_MANAGER | GENERATE_EVENT_SUBJECT_CLASS | GENERATE_EVENT_CLASS
                     | GENERATE_EVENT_LISTENER_INTERFACE;
@@ -158,7 +159,10 @@ public class YangJavaModule
 
         try {
             if (isManagerCodeGenRequired(this) && isGenerationOfCodeReq(getJavaFileInfo())) {
-                getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_SERVICE_AND_MANAGER, this);
+                getTempJavaCodeFragmentFiles()
+                        .generateJavaFile(GENERATE_INTERFACE_WITH_BUILDER, this);
+                getTempJavaCodeFragmentFiles()
+                        .generateJavaFile(GENERATE_SERVICE_AND_MANAGER, this);
             }
             searchAndDeleteTempDir(getJavaFileInfo().getBaseCodeGenPath() +
                     getJavaFileInfo().getPackageFilePath());

@@ -28,12 +28,13 @@ import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
 import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
 import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFilesContainer;
+import org.onosproject.yangutils.translator.tojava.TempJavaServiceFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.utils.JavaExtendsListHolder;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfAugmentableNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfAugmentableNode;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_LISTENER_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_STRING;
 
@@ -143,22 +144,23 @@ public class YangJavaNotification
     /*Adds current notification info to the extends list so its parents service*/
     private void addNotificationToExtendsList() {
         YangNode parent = getParent();
-        JavaExtendsListHolder holder = ((TempJavaCodeFragmentFilesContainer) parent)
+        TempJavaServiceFragmentFiles tempJavaServiceFragmentFiles = ((TempJavaCodeFragmentFilesContainer) parent)
                 .getTempJavaCodeFragmentFiles()
-                .getServiceTempFiles().getJavaExtendsListHolder();
+                .getServiceTempFiles();
+        JavaExtendsListHolder holder = tempJavaServiceFragmentFiles.getJavaExtendsListHolder();
         JavaQualifiedTypeInfo event = new JavaQualifiedTypeInfo();
 
         String parentInfo = getCapitalCase(((JavaFileInfoContainer) parent)
                 .getJavaFileInfo().getJavaName());
         event.setClassInfo(parentInfo + EVENT_STRING);
         event.setPkgInfo(getJavaFileInfo().getPackage());
-        holder.addToExtendsList(event, parent);
+        holder.addToExtendsList(event, parent, tempJavaServiceFragmentFiles);
 
         JavaQualifiedTypeInfo eventListener = new JavaQualifiedTypeInfo();
 
         eventListener.setClassInfo(parentInfo + EVENT_LISTENER_STRING);
         eventListener.setPkgInfo(getJavaFileInfo().getPackage());
-        holder.addToExtendsList(eventListener, parent);
+        holder.addToExtendsList(eventListener, parent, tempJavaServiceFragmentFiles);
 
     }
 

@@ -27,7 +27,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfAugmentableNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfAugmentableNode;
 
 /**
  * Represents output information extended to support java code generation.

@@ -39,7 +39,7 @@ import static org.onosproject.yangutils.datamodel.utils.DataModelUtils.getParent
 import static org.onosproject.yangutils.translator.tojava.JavaAttributeInfo.getAttributeInfoForTheData;
 import static org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo.getQualifiedTypeInfoOfCurNode;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.updatePackageInfo;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.updatePackageInfo;
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.COMPONENT;
 import static org.onosproject.yangutils.utils.UtilConstants.DEACTIVATE;

@@ -34,10 +34,11 @@ import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_LISTENER_INTERFACE;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_SUBJECT_CLASS;
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_INTERFACE_WITH_BUILDER;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_SERVICE_AND_MANAGER;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfRootNode;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.isManagerCodeGenRequired;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.isGenerationOfCodeReq;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfRootNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.isManagerCodeGenRequired;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.isGenerationOfCodeReq;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getRootPackage;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.searchAndDeleteTempDir;
 
@@ -72,7 +73,7 @@ public class YangJavaSubModule
     public YangJavaSubModule() {
         super();
         setJavaFileInfo(new JavaFileInfo());
-        int gentype = GENERATE_SERVICE_AND_MANAGER;
+        int gentype = GENERATE_SERVICE_AND_MANAGER | GENERATE_INTERFACE_WITH_BUILDER;
         if (isNotificationChildNodePresent(this)) {
             gentype = GENERATE_SERVICE_AND_MANAGER | GENERATE_EVENT_SUBJECT_CLASS | GENERATE_EVENT_CLASS
                     | GENERATE_EVENT_LISTENER_INTERFACE;
@@ -170,6 +171,8 @@ public class YangJavaSubModule
          */
         try {
             if (isManagerCodeGenRequired(this) && isGenerationOfCodeReq(getJavaFileInfo())) {
+
+                getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_INTERFACE_WITH_BUILDER, this);
                 getTempJavaCodeFragmentFiles().generateJavaFile(GENERATE_SERVICE_AND_MANAGER, this);
             }
             searchAndDeleteTempDir(getJavaFileInfo().getBaseCodeGenPath() +

@@ -26,7 +26,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_TYPEDEF_CLASS;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfNode;
 
 /**
  * Represents type define information extended to support java code generation.

@@ -26,7 +26,7 @@ import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_UNION_CLASS;
-import static org.onosproject.yangutils.translator.tojava.javamodel.YangJavaModelUtils.generateCodeOfNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.generateCodeOfNode;
 
 /**
  * Represents union information extended to support java code generation.

@@ -282,7 +282,7 @@ public final class ClassDefinitionGenerator {
             curNode = curNode.getChild();
             while (curNode != null) {
                 if (curNode instanceof YangNotification) {
-                    return getRpcInterfaceDefinitionWhenItExtends(yangName, holder);
+                    return getRpcInterfaceDefinitionWhenItExtends(yangName);
                 }
                 curNode = curNode.getNextSibling();
             }
@@ -295,8 +295,7 @@ public final class ClassDefinitionGenerator {
     }
 
     /* Provides class definition when RPC interface needs to extends any event.*/
-    private static String getRpcInterfaceDefinitionWhenItExtends(String yangName,
-                                                                 JavaExtendsListHolder holder) {
+    private static String getRpcInterfaceDefinitionWhenItExtends(String yangName) {
 
         if (yangName.matches(REGEX_FOR_ANY_STRING_ENDING_WITH_SERVICE)) {
             String[] strArray = yangName.split(SERVICE);

@@ -19,14 +19,14 @@ package org.onosproject.yangutils.translator.tojava.utils;
 import java.util.List;
 
 import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
 import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
-import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
-import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFilesContainer;
-import org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles;
+import org.onosproject.yangutils.translator.tojava.TempJavaServiceFragmentFiles;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getEnumJavaAttribute;
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE_ANNOTATION_IMPORT;
+import static org.onosproject.yangutils.utils.UtilConstants.CLASS_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.COMMA;
@@ -38,6 +38,7 @@ import static org.onosproject.yangutils.utils.UtilConstants.DIAMOND_OPEN_BRACKET
 import static org.onosproject.yangutils.utils.UtilConstants.ENUM;
 import static org.onosproject.yangutils.utils.UtilConstants.EQUAL;
 import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
+import static org.onosproject.yangutils.utils.UtilConstants.HASH_MAP;
 import static org.onosproject.yangutils.utils.UtilConstants.IMMEDIATE;
 import static org.onosproject.yangutils.utils.UtilConstants.IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.INT;
@@ -45,18 +46,22 @@ import static org.onosproject.yangutils.utils.UtilConstants.LIST;
 import static org.onosproject.yangutils.utils.UtilConstants.LISTENER_SERVICE;
 import static org.onosproject.yangutils.utils.UtilConstants.LOGGER_FACTORY_IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.LOGGER_IMPORT;
+import static org.onosproject.yangutils.utils.UtilConstants.MAP;
+import static org.onosproject.yangutils.utils.UtilConstants.NEW;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
 import static org.onosproject.yangutils.utils.UtilConstants.OPEN_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.OPEN_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
 import static org.onosproject.yangutils.utils.UtilConstants.PRIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.PUBLIC;
+import static org.onosproject.yangutils.utils.UtilConstants.QUESTION_MARK;
 import static org.onosproject.yangutils.utils.UtilConstants.SEMI_COLAN;
 import static org.onosproject.yangutils.utils.UtilConstants.SERVICE_ANNOTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.SERVICE_ANNOTATION_IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.SPACE;
 import static org.onosproject.yangutils.utils.UtilConstants.TRUE;
 import static org.onosproject.yangutils.utils.UtilConstants.TYPE;
+import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.ENUM_ATTRIBUTE;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
@@ -221,11 +226,13 @@ public final class JavaCodeSnippetGen {
     public static void addListenersImport(YangNode curNode, List<String> imports, boolean operation,
                                           String classInfo) {
         String thisImport = "";
+        TempJavaServiceFragmentFiles tempJavaServiceFragmentFiles = ((JavaCodeGeneratorInfo) curNode)
+                .getTempJavaCodeFragmentFiles().getServiceTempFiles();
         if (classInfo.equals(LISTENER_SERVICE)) {
-            thisImport = getTempJavaFragment(curNode).getJavaImportData().getListenerServiceImport();
+            thisImport = tempJavaServiceFragmentFiles.getJavaImportData().getListenerServiceImport();
             performOperationOnImports(imports, thisImport, operation);
         } else {
-            thisImport = getTempJavaFragment(curNode).getJavaImportData().getListenerRegistryImport();
+            thisImport = tempJavaServiceFragmentFiles.getJavaImportData().getListenerRegistryImport();
             performOperationOnImports(imports, thisImport, operation);
         }
     }
@@ -250,25 +257,6 @@ public final class JavaCodeSnippetGen {
     }
 
     /**
-     * Returns temp java fragment.
-     *
-     * @param curNode current YANG node
-     * @return temp java fragments
-     */
-    public static TempJavaFragmentFiles getTempJavaFragment(YangNode curNode) {
-        TempJavaCodeFragmentFiles container = ((TempJavaCodeFragmentFilesContainer) curNode)
-                .getTempJavaCodeFragmentFiles();
-        if (container.getBeanTempFiles() != null) {
-            return container.getBeanTempFiles();
-        }
-        if (container.getServiceTempFiles() != null) {
-            return container.getServiceTempFiles();
-        }
-
-        return null;
-    }
-
-    /**
      * Returns integer attribute for enum's class to get the values.
      *
      * @param className enum's class name
@@ -285,7 +273,20 @@ public final class JavaCodeSnippetGen {
      * @return component string
      */
     public static String addComponentString() {
-        return NEW_LINE + COMPONENT_ANNOTATION + SPACE + OPEN_PARENTHESIS + IMMEDIATE + SPACE
+        return NEW_LINE + COMPONENT_ANNOTATION + OPEN_PARENTHESIS + IMMEDIATE + SPACE
                 + EQUAL + SPACE + TRUE + CLOSE_PARENTHESIS + NEW_LINE + SERVICE_ANNOTATION;
     }
+
+    /**
+     * Returns attribute for augmentation.
+     *
+     * @return attribute for augmentation
+     */
+    public static String addAugmentationAttribute() {
+        return NEW_LINE + FOUR_SPACE_INDENTATION + PRIVATE + SPACE + MAP + DIAMOND_OPEN_BRACKET + CLASS_STRING
+                + DIAMOND_OPEN_BRACKET + QUESTION_MARK + DIAMOND_CLOSE_BRACKET + COMMA + SPACE + YANG_AUGMENTED_INFO
+                + DIAMOND_CLOSE_BRACKET + SPACE + getSmallCase(YANG_AUGMENTED_INFO) + MAP + SPACE + EQUAL + SPACE +
+                NEW + SPACE + HASH_MAP + DIAMOND_OPEN_BRACKET + DIAMOND_CLOSE_BRACKET + OPEN_PARENTHESIS
+                + CLOSE_PARENTHESIS + SEMI_COLAN;
+    }
 }

@@ -26,9 +26,9 @@ import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
 import org.onosproject.yangutils.translator.tojava.JavaImportData;
 import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
+import org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles;
 
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCapitalCase;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getTempJavaFragment;
 
 /**
  * Represent the extends list for generated java classes. It holds the class details which needs
@@ -36,6 +36,9 @@ import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetG
  */
 public class JavaExtendsListHolder {
 
+    private Map<JavaQualifiedTypeInfo, Boolean> extendedClassStore;
+    private List<JavaQualifiedTypeInfo> extendsList;
+
     /**
      * Creates an instance of JavaExtendsListHolder.
      */
@@ -44,9 +47,6 @@ public class JavaExtendsListHolder {
         setExtendsList(new ArrayList<>());
     }
 
-    private Map<JavaQualifiedTypeInfo, Boolean> extendedClassStore;
-    private List<JavaQualifiedTypeInfo> extendsList;
-
     /**
      * Returns extends list.
      *
@@ -68,13 +68,15 @@ public class JavaExtendsListHolder {
     /**
      * Adds to the extends list.
      *
-     * @param info java file info
-     * @param node YANG node
+     * @param info                  java file info
+     * @param node                  YANG node
+     * @param tempJavaFragmentFiles temp java fragment files
      */
-    public void addToExtendsList(JavaQualifiedTypeInfo info, YangNode node) {
+    public void addToExtendsList(JavaQualifiedTypeInfo info, YangNode node,
+                                 TempJavaFragmentFiles tempJavaFragmentFiles) {
         JavaFileInfo fileInfo = ((JavaFileInfoContainer) node).getJavaFileInfo();
 
-        JavaImportData importData = getTempJavaFragment(node).getJavaImportData();
+        JavaImportData importData = tempJavaFragmentFiles.getJavaImportData();
         boolean qualified = importData.addImportInfo(info,
                 getCapitalCase(fileInfo.getJavaName()), fileInfo.getPackage());
 

@@ -22,7 +22,9 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.onosproject.yangutils.datamodel.YangAugment;
+import org.onosproject.yangutils.datamodel.YangAugmentableNode;
 import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.translator.tojava.JavaAttributeInfo;
 import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
@@ -63,12 +65,19 @@ import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.TO_STRING_IMPL_MASK;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getDataFromTempFileHandle;
+import static org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles.getCurNodeAsAttributeInTarget;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.addAugmentationAttribute;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getEnumsValueAttribute;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getEventEnumTypeStart;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getDataFromTempFileHandle;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.initiateJavaFileGeneration;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.addActivateMethod;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.addDeActivateMethod;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAddAugmentInfoMethodImpl;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAugmentInfoImpl;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAugmentedNodesConstructorStart;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAugmentsDataMethodForManager;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getAugmentsDataMethodForService;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getConstructorStart;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEnumsConstructor;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEnumsOfMethod;
@@ -77,12 +86,16 @@ import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getFromStringMethodClose;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getFromStringMethodSignature;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getGetter;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getGetterForClass;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getGetterString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getHashCodeMethodClose;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getHashCodeMethodOpen;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOmitNullValueString;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOverRideString;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterForClass;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getSetterString;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringMethodClose;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringMethodOpen;
-import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getEventEnumTypeStart;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
@@ -317,15 +330,13 @@ public final class JavaFileGenerator {
     /**
      * Returns generated manager class file for current node.
      *
-     * @param file          file
-     * @param imports       imports for the file
-     * @param curNode       current YANG node
-     * @param isAttrPresent if any attribute is present or not
+     * @param file    file
+     * @param imports imports for the file
+     * @param curNode current YANG node
      * @return builder class file
      * @throws IOException when fails to write in file
      */
-    public static File generateManagerClassFile(File file, List<String> imports, YangNode curNode,
-                                                boolean isAttrPresent)
+    public static File generateManagerClassFile(File file, List<String> imports, YangNode curNode)
             throws IOException {
 
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
@@ -341,25 +352,26 @@ public final class JavaFileGenerator {
         methods.add(addActivateMethod());
         methods.add(addDeActivateMethod());
 
+        TempJavaServiceFragmentFiles tempJavaServiceFragmentFiles = ((JavaCodeGeneratorInfo) curNode)
+                .getTempJavaCodeFragmentFiles().getServiceTempFiles();
+
+        JavaAttributeInfo rootAttribute = getCurNodeAsAttributeInTarget(curNode, curNode, false,
+                tempJavaServiceFragmentFiles);
         try {
-            if (isAttrPresent) {
-                /**
-                 * Getter methods.
-                 */
-                methods.add(
-                        getDataFromTempFileHandle(GETTER_FOR_CLASS_MASK,
-                                ((TempJavaCodeFragmentFilesContainer) curNode)
-                                        .getTempJavaCodeFragmentFiles().getServiceTempFiles(), path));
-                /**
-                 * Setter methods.
-                 */
-                methods.add(
-                        getDataFromTempFileHandle(SETTER_FOR_CLASS_MASK,
-                                ((TempJavaCodeFragmentFilesContainer) curNode)
-                                        .getTempJavaCodeFragmentFiles().getServiceTempFiles(), path)
-                                + NEW_LINE);
+            /**
+             * Getter methods.
+             */
+            methods.add(getOverRideString() +
+                    getGetterForClass(rootAttribute, GENERATE_SERVICE_AND_MANAGER) + NEW_LINE);
+            /**
+             * Setter methods.
+             */
+            methods.add(getOverRideString() +
+                    getSetterForClass(rootAttribute, className, GENERATE_SERVICE_AND_MANAGER)
+                    + NEW_LINE);
+
+            methods.add(getAugmentsDataMethodForManager(curNode) + NEW_LINE);
 
-            }
             if (((JavaCodeGeneratorInfo) curNode).getTempJavaCodeFragmentFiles().getServiceTempFiles() != null) {
                 JavaCodeGeneratorInfo javaGeninfo = (JavaCodeGeneratorInfo) curNode;
                 /**
@@ -410,7 +422,9 @@ public final class JavaFileGenerator {
         if (curNode instanceof YangAugment) {
             isAugmentNode = true;
         }
-
+        if (curNode instanceof YangAugmentableNode) {
+            insertDataIntoJavaFile(file, addAugmentationAttribute());
+        }
         if (isAttrPresent) {
             /**
              * Add attribute strings.
@@ -483,6 +497,11 @@ public final class JavaFileGenerator {
                     + " while impl class file generation");
         }
 
+        if (curNode instanceof YangAugmentableNode) {
+            methods.add(getAddAugmentInfoMethodImpl());
+            methods.add(getAugmentInfoImpl());
+        }
+
         /**
          * Add methods in impl class.
          */
@@ -796,38 +815,38 @@ public final class JavaFileGenerator {
      * @param file               generated file
      * @param curNode            current YANG node
      * @param imports            imports for file
-     * @param isAttributePresent is attribute present
      * @return rpc class file
      * @throws IOException when fails to generate class file
      */
-    public static File generateServiceInterfaceFile(File file, YangNode curNode, List<String> imports,
-                                                    boolean isAttributePresent)
+    public static File generateServiceInterfaceFile(File file, YangNode curNode, List<String> imports)
             throws IOException {
 
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
 
+        TempJavaServiceFragmentFiles tempJavaServiceFragmentFiles = ((JavaCodeGeneratorInfo) curNode)
+                .getTempJavaCodeFragmentFiles().getServiceTempFiles();
         String className = getCapitalCase(javaFileInfo.getJavaName()) + SERVICE_METHOD_STRING;
         String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
         initiateJavaFileGeneration(file, GENERATE_SERVICE_AND_MANAGER, imports, curNode, className);
 
         List<String> methods = new ArrayList<>();
+        JavaAttributeInfo rootAttribute = getCurNodeAsAttributeInTarget(curNode, curNode, false,
+                tempJavaServiceFragmentFiles);
 
         try {
-            if (isAttributePresent) {
+            /**
+             * Getter methods.
+             */
+            methods.add(getGetterString(rootAttribute, GENERATE_SERVICE_AND_MANAGER,
+                    javaFileInfo.getPluginConfig()) + NEW_LINE);
+            /**
+             * Setter methods.
+             */
+            methods.add(getSetterString(rootAttribute, className, GENERATE_SERVICE_AND_MANAGER,
+                    javaFileInfo.getPluginConfig()) + NEW_LINE);
+
+            methods.add(getAugmentsDataMethodForService(curNode) + NEW_LINE);
 
-                /**
-                 * Getter methods.
-                 */
-                methods.add(getDataFromTempFileHandle(GETTER_FOR_INTERFACE_MASK,
-                        ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getServiceTempFiles(), path));
-                /**
-                 * Setter methods.
-                 */
-                methods.add(getDataFromTempFileHandle(SETTER_FOR_INTERFACE_MASK,
-                        ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles()
-                                .getServiceTempFiles(), path));
-            }
             if (((JavaCodeGeneratorInfo) curNode).getTempJavaCodeFragmentFiles().getServiceTempFiles() != null) {
                 JavaCodeGeneratorInfo javaGeninfo = (JavaCodeGeneratorInfo) curNode;
                 /**

@@ -18,14 +18,23 @@ package org.onosproject.yangutils.translator.tojava.utils;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
+import org.onosproject.yangutils.datamodel.YangAtomicPath;
 import org.onosproject.yangutils.datamodel.YangAugment;
 import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangNodeIdentifier;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
+import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
+import org.onosproject.yangutils.translator.tojava.JavaImportData;
+import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
 import org.onosproject.yangutils.translator.tojava.TempJavaBeanFragmentFiles;
+import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.TempJavaEnumerationFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.TempJavaServiceFragmentFiles;
@@ -67,6 +76,8 @@ import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.TO_STRING_IMPL_MASK;
+import static org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo.getQualifiedTypeInfoOfCurNode;
+import static org.onosproject.yangutils.translator.tojava.YangJavaModelUtils.getAugmentedNodesPackage;
 import static org.onosproject.yangutils.translator.tojava.utils.ClassDefinitionGenerator.generateClassDefinition;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
@@ -553,4 +564,191 @@ public final class JavaFileGeneratorUtils {
         insertDataIntoJavaFile(file, generateClassDefinition(genType, fileName));
     }
 
+    /**
+     * Returns resolved augments for manager classes.
+     *
+     * @param parent parent node
+     * @return resolved augments for manager classes
+     */
+    public static Map<YangAtomicPath, YangAugment> getResolvedAugmentsForManager(YangNode parent) {
+        Map<YangAtomicPath, YangAugment> resolvedAugmentsForManager = new HashMap<>();
+        YangNodeIdentifier nodeId;
+        List<YangAtomicPath> targets = new ArrayList<>();
+        for (YangAugment augment : getListOfAugments(parent)) {
+            nodeId = augment.getTargetNode().get(0).getNodeIdentifier();
+            if (validateNodeIdentifierInSet(nodeId, targets)) {
+                targets.add(augment.getTargetNode().get(0));
+                resolvedAugmentsForManager.put(augment.getTargetNode().get(0), augment);
+            }
+        }
+        return resolvedAugmentsForManager;
+    }
+
+    /**
+     * Returns set of node identifiers.
+     *
+     * @param parent parent node
+     * @return set of node identifiers
+     */
+    public static List<YangAtomicPath> getSetOfNodeIdentifiers(YangNode parent) {
+
+        List<YangAtomicPath> targets = new ArrayList<>();
+        YangNodeIdentifier nodeId;
+        List<YangAugment> augments = getListOfAugments(parent);
+        for (YangAugment augment : augments) {
+            nodeId = augment.getTargetNode().get(0).getNodeIdentifier();
+
+            if (validateNodeIdentifierInSet(nodeId, targets)) {
+                targets.add(augment.getTargetNode().get(0));
+            }
+        }
+        return targets;
+    }
+
+    /* Returns list of augments.*/
+    private static List<YangAugment> getListOfAugments(YangNode parent) {
+        List<YangAugment> augments = new ArrayList<>();
+        YangNode child = parent.getChild();
+        while (child != null) {
+            if (child instanceof YangAugment) {
+                augments.add((YangAugment) child);
+            }
+            child = child.getNextSibling();
+        }
+        return augments;
+    }
+
+    /*Validates the set for duplicate names of node identifiers.*/
+    private static boolean validateNodeIdentifierInSet(YangNodeIdentifier nodeId, List<YangAtomicPath> targets) {
+        boolean isPresent = true;
+        for (YangAtomicPath target : targets) {
+            if (target.getNodeIdentifier().getName().equals(nodeId.getName())) {
+                if (target.getNodeIdentifier().getPrefix() != null) {
+                    isPresent = !target.getNodeIdentifier().getPrefix().equals(nodeId.getPrefix());
+                } else {
+                    isPresent = nodeId.getPrefix() != null;
+                }
+            }
+        }
+        return isPresent;
+    }
+
+    /**
+     * Adds resolved augmented node imports to manager class.
+     *
+     * @param parent parent node
+     */
+    public static void addResolvedAugmentedDataNodeImports(YangNode parent) {
+        Map<YangAtomicPath, YangAugment> resolvedAugmentsForManager = getResolvedAugmentsForManager(parent);
+        List<YangAtomicPath> targets = getSetOfNodeIdentifiers(parent);
+        TempJavaCodeFragmentFiles tempJavaCodeFragmentFiles = ((JavaCodeGeneratorInfo) parent)
+                .getTempJavaCodeFragmentFiles();
+        YangNode augmentedNode;
+        JavaQualifiedTypeInfo javaQualifiedTypeInfo;
+        String curNodeName;
+        JavaFileInfo parentInfo = ((JavaFileInfoContainer) parent).getJavaFileInfo();
+        for (YangAtomicPath nodeId : targets) {
+            augmentedNode = resolvedAugmentsForManager.get(nodeId).getResolveNodeInPath().get(nodeId);
+            if (((JavaFileInfoContainer) augmentedNode).getJavaFileInfo().getJavaName() != null) {
+                curNodeName = ((JavaFileInfoContainer) augmentedNode).getJavaFileInfo().getJavaName();
+            } else {
+                curNodeName = getCapitalCase(getCamelCase(augmentedNode.getName(), parentInfo.getPluginConfig()
+                        .getConflictResolver()));
+            }
+
+            javaQualifiedTypeInfo = getQualifiedTypeInfoOfAugmentedNode(augmentedNode, getCapitalCase(curNodeName),
+                    parentInfo.getPluginConfig());
+            tempJavaCodeFragmentFiles.getServiceTempFiles().getJavaImportData().addImportInfo(javaQualifiedTypeInfo,
+                    parentInfo.getJavaName(), parentInfo.getPackage());
+
+        }
+    }
+
+    /**
+     * Returns qualified type info of augmented node.
+     *
+     * @param augmentedNode augmented node
+     * @param curNodeName   current node name
+     * @param pluginConfig  plugin configurations
+     * @return qualified type info of augmented node
+     */
+    public static JavaQualifiedTypeInfo getQualifiedTypeInfoOfAugmentedNode(YangNode augmentedNode, String curNodeName,
+                                                                            YangPluginConfig pluginConfig) {
+        JavaQualifiedTypeInfo javaQualifiedTypeInfo = getQualifiedTypeInfoOfCurNode(augmentedNode,
+                getCapitalCase(curNodeName));
+        if (javaQualifiedTypeInfo.getPkgInfo() == null) {
+            javaQualifiedTypeInfo.setPkgInfo(getAugmentedNodesPackage(augmentedNode,
+                    pluginConfig));
+        }
+        return javaQualifiedTypeInfo;
+    }
+
+    /**
+     * Validates if augmented node is imported in parent node.
+     *
+     * @param javaQualifiedTypeInfo qualified type info
+     * @param importData            import data
+     * @return true if present in imports
+     */
+    private static boolean validateQualifiedInfoOfAugmentedNode(JavaQualifiedTypeInfo javaQualifiedTypeInfo,
+                                                                JavaImportData importData) {
+        for (JavaQualifiedTypeInfo curImportInfo : importData.getImportSet()) {
+            if (curImportInfo.getClassInfo()
+                    .contentEquals(javaQualifiedTypeInfo.getClassInfo())) {
+                return curImportInfo.getPkgInfo()
+                        .contentEquals(javaQualifiedTypeInfo.getPkgInfo());
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Return augmented class name for data methods in manager and service.
+     *
+     * @param augmentedNode augmented node
+     * @param parent        parent node
+     * @return augmented class name for data methods in manager and service
+     */
+    public static String getAugmentedClassNameForDataMethods(YangNode augmentedNode, YangNode parent) {
+        String curNodeName;
+        JavaQualifiedTypeInfo javaQualifiedTypeInfo;
+        JavaFileInfo parentInfo = ((JavaFileInfoContainer) parent).getJavaFileInfo();
+        YangPluginConfig pluginConfig = parentInfo.getPluginConfig();
+        TempJavaServiceFragmentFiles tempJavaServiceFragmentFiles = ((JavaCodeGeneratorInfo) parent)
+                .getTempJavaCodeFragmentFiles().getServiceTempFiles();
+        if (((JavaFileInfoContainer) augmentedNode).getJavaFileInfo().getJavaName() != null) {
+            curNodeName = ((JavaFileInfoContainer) augmentedNode).getJavaFileInfo().getJavaName();
+        } else {
+            curNodeName = getCapitalCase(getCamelCase(augmentedNode.getName(), pluginConfig
+                    .getConflictResolver()));
+        }
+
+        javaQualifiedTypeInfo = getQualifiedTypeInfoOfAugmentedNode(augmentedNode,
+                getCapitalCase(curNodeName),
+                parentInfo.getPluginConfig());
+        if (validateQualifiedInfoOfAugmentedNode(javaQualifiedTypeInfo,
+                tempJavaServiceFragmentFiles.getJavaImportData())) {
+            return javaQualifiedTypeInfo.getClassInfo();
+        } else {
+            return javaQualifiedTypeInfo.getPkgInfo() + PERIOD + javaQualifiedTypeInfo.getClassInfo();
+        }
+    }
+
+    /**
+     * Returns parent node name for data methods in manager and service.
+     *
+     * @param parent       parent node
+     * @param pluginConfig plugin configurations
+     * @return parent node name for data methods in manager and service
+     */
+    public static String getParentNodeNameForDataMethods(YangNode parent, YangPluginConfig pluginConfig) {
+        JavaFileInfo parentInfo = ((JavaFileInfoContainer) parent).getJavaFileInfo();
+        if (parentInfo.getJavaName() != null) {
+            return getCapitalCase(parentInfo.getJavaName());
+        }
+        return getCapitalCase(getCamelCase(parent.getName(), pluginConfig
+                .getConflictResolver()));
+
+    }
+
 }

@@ -19,19 +19,29 @@ package org.onosproject.yangutils.translator.tojava.utils;
 import java.util.List;
 import java.util.Map;
 
+import org.onosproject.yangutils.datamodel.YangAtomicPath;
+import org.onosproject.yangutils.datamodel.YangAugment;
+import org.onosproject.yangutils.datamodel.YangNode;
 import org.onosproject.yangutils.datamodel.YangType;
 import org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes;
 import org.onosproject.yangutils.translator.exception.TranslatorException;
 import org.onosproject.yangutils.translator.tojava.JavaAttributeInfo;
+import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
 import org.onosproject.yangutils.utils.io.impl.JavaDocGen;
 import org.onosproject.yangutils.utils.io.impl.YangPluginConfig;
 
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_EVENT_SUBJECT_CLASS;
 import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_SERVICE_AND_MANAGER;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getAugmentedClassNameForDataMethods;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getParentNodeNameForDataMethods;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getResolvedAugmentsForManager;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getSetOfNodeIdentifiers;
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.ACTIVATE_ANNOTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.ADD_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.AND;
+import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTATION;
+import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED;
 import static org.onosproject.yangutils.utils.UtilConstants.BIG_DECIMAL;
 import static org.onosproject.yangutils.utils.UtilConstants.BIG_INTEGER;
 import static org.onosproject.yangutils.utils.UtilConstants.BOOLEAN_DATA_TYPE;
@@ -43,6 +53,8 @@ import static org.onosproject.yangutils.utils.UtilConstants.BYTE_WRAPPER;
 import static org.onosproject.yangutils.utils.UtilConstants.CASE;
 import static org.onosproject.yangutils.utils.UtilConstants.CATCH;
 import static org.onosproject.yangutils.utils.UtilConstants.CHECK_NOT_NULL_STRING;
+import static org.onosproject.yangutils.utils.UtilConstants.CLASS;
+import static org.onosproject.yangutils.utils.UtilConstants.CLASS_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
 import static org.onosproject.yangutils.utils.UtilConstants.COLAN;
@@ -63,6 +75,7 @@ import static org.onosproject.yangutils.utils.UtilConstants.FALSE;
 import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.FROM_STRING_METHOD_NAME;
 import static org.onosproject.yangutils.utils.UtilConstants.FROM_STRING_PARAM_NAME;
+import static org.onosproject.yangutils.utils.UtilConstants.GET;
 import static org.onosproject.yangutils.utils.UtilConstants.GET_BYTES;
 import static org.onosproject.yangutils.utils.UtilConstants.GET_METHOD_PREFIX;
 import static org.onosproject.yangutils.utils.UtilConstants.GOOGLE_MORE_OBJECT_METHOD_STRING;
@@ -75,6 +88,7 @@ import static org.onosproject.yangutils.utils.UtilConstants.INTEGER_WRAPPER;
 import static org.onosproject.yangutils.utils.UtilConstants.LIST;
 import static org.onosproject.yangutils.utils.UtilConstants.LONG;
 import static org.onosproject.yangutils.utils.UtilConstants.LONG_WRAPPER;
+import static org.onosproject.yangutils.utils.UtilConstants.MAP;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
 import static org.onosproject.yangutils.utils.UtilConstants.NULL;
@@ -94,6 +108,7 @@ import static org.onosproject.yangutils.utils.UtilConstants.PARSE_LONG;
 import static org.onosproject.yangutils.utils.UtilConstants.PARSE_SHORT;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
 import static org.onosproject.yangutils.utils.UtilConstants.PUBLIC;
+import static org.onosproject.yangutils.utils.UtilConstants.PUT;
 import static org.onosproject.yangutils.utils.UtilConstants.QUOTES;
 import static org.onosproject.yangutils.utils.UtilConstants.RETURN;
 import static org.onosproject.yangutils.utils.UtilConstants.RPC_INPUT_VAR_NAME;
@@ -117,6 +132,7 @@ import static org.onosproject.yangutils.utils.UtilConstants.TRY;
 import static org.onosproject.yangutils.utils.UtilConstants.TWELVE_SPACE_INDENTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.VALUE;
 import static org.onosproject.yangutils.utils.UtilConstants.VOID;
+import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO;
 import static org.onosproject.yangutils.utils.UtilConstants.YANG_UTILS_TODO;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.BUILD_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.CONSTRUCTOR;
@@ -127,6 +143,8 @@ import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.MAN
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.OF_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.SETTER_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.TYPE_CONSTRUCTOR;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.generateForAddAugmentation;
+import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.generateForGetAugmentation;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.generateForTypeConstructor;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
@@ -941,6 +959,38 @@ public final class MethodsGenerator {
     }
 
     /**
+     * Returns implementation of add augmentation.
+     *
+     * @return implementation of add augmentation
+     */
+    public static String getAddAugmentInfoMethodImpl() {
+        return NEW_LINE + generateForAddAugmentation() + FOUR_SPACE_INDENTATION +
+                PUBLIC + SPACE + VOID + SPACE + ADD_STRING
+                + AUGMENTATION + OPEN_PARENTHESIS + YANG_AUGMENTED_INFO + SPACE + VALUE + COMMA + SPACE + CLASS_STRING +
+                SPACE + CLASS + OBJECT_STRING + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE +
+                EIGHT_SPACE_INDENTATION + getSmallCase(YANG_AUGMENTED_INFO) + MAP + PERIOD + PUT + OPEN_PARENTHESIS +
+                CLASS + OBJECT_STRING + COMMA + SPACE + VALUE +
+                CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE + FOUR_SPACE_INDENTATION +
+                CLOSE_CURLY_BRACKET + NEW_LINE;
+    }
+
+    /**
+     * Returns implementation of get augment info.
+     *
+     * @return implementation of get augment info
+     */
+    public static String getAugmentInfoImpl() {
+
+        return generateForGetAugmentation() + FOUR_SPACE_INDENTATION + PUBLIC + SPACE +
+                YANG_AUGMENTED_INFO + SPACE + GET_METHOD_PREFIX +
+                YANG_AUGMENTED_INFO + OPEN_PARENTHESIS + CLASS_STRING + SPACE + CLASS + OBJECT_STRING +
+                CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION +
+                RETURN + SPACE + getSmallCase(YANG_AUGMENTED_INFO) + MAP + PERIOD + GET + OPEN_PARENTHESIS + CLASS +
+                OBJECT_STRING + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE + FOUR_SPACE_INDENTATION +
+                CLOSE_CURLY_BRACKET + NEW_LINE;
+    }
+
+    /**
      * Returns enum's constructor.
      *
      * @param className enum's class name
@@ -1096,4 +1146,90 @@ public final class MethodsGenerator {
                 + VALUE + PERIOD + attributeName + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
                 + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
     }
+
+    /**
+     * Returns augmented data getter and setter methods for service class.
+     *
+     * @param parent parent node
+     * @return augmented data getter and setter methods for service class
+     */
+    public static String getAugmentsDataMethodForService(YangNode parent) {
+        Map<YangAtomicPath, YangAugment> resolvedAugmentsForManager = getResolvedAugmentsForManager(parent);
+        List<YangAtomicPath> targets = getSetOfNodeIdentifiers(parent);
+        YangNode augmentedNode;
+        String curNodeName;
+        String method;
+        StringBuilder methods = new StringBuilder();
+        String parentName;
+        String returnType;
+        YangPluginConfig pluginConfig = ((JavaFileInfoContainer) parent).getJavaFileInfo().getPluginConfig();
+        for (YangAtomicPath nodeId : targets) {
+            augmentedNode = resolvedAugmentsForManager.get(nodeId).getResolveNodeInPath().get(nodeId);
+            if (((JavaFileInfoContainer) augmentedNode).getJavaFileInfo().getJavaName() != null) {
+                curNodeName = ((JavaFileInfoContainer) augmentedNode).getJavaFileInfo().getJavaName();
+            } else {
+                curNodeName = getCapitalCase(getCamelCase(augmentedNode.getName(), pluginConfig
+                        .getConflictResolver()));
+            }
+            returnType = getAugmentedClassNameForDataMethods(augmentedNode, parent);
+            parentName = getParentNodeNameForDataMethods(augmentedNode.getParent(), pluginConfig);
+            method = getJavaDoc(GETTER_METHOD, getSmallCase(AUGMENTED + parentName + curNodeName), false,
+                    pluginConfig) + getGetterForInterface(AUGMENTED + parentName
+                            + getCapitalCase(curNodeName),
+                    returnType, false, GENERATE_SERVICE_AND_MANAGER)
+                    + NEW_LINE;
+            methods.append(method);
+
+            method = getJavaDoc(MANAGER_SETTER_METHOD, AUGMENTED +
+                    getCapitalCase(parentName) + curNodeName, false, pluginConfig) +
+                    getSetterForInterface(getSmallCase(AUGMENTED) + parentName +
+                                    getCapitalCase(curNodeName), returnType, parentName,
+                            false,
+                            GENERATE_SERVICE_AND_MANAGER) + NEW_LINE;
+            methods.append(method);
+        }
+        return methods.toString();
+    }
+
+    /**
+     * Returns augmented data getter and setter methods for manager class.
+     *
+     * @param parent parent node
+     * @return augmented data getter and setter methods for manager class
+     */
+    public static String getAugmentsDataMethodForManager(YangNode parent) {
+        Map<YangAtomicPath, YangAugment> resolvedAugmentsForManager = getResolvedAugmentsForManager(parent);
+        List<YangAtomicPath> targets = getSetOfNodeIdentifiers(parent);
+        YangNode augmentedNode;
+        String curNodeName;
+        String returnType;
+        String method;
+        StringBuilder methods = new StringBuilder();
+        String parentName;
+        YangPluginConfig pluginConfig = ((JavaFileInfoContainer) parent).getJavaFileInfo().getPluginConfig();
+        for (YangAtomicPath nodeId : targets) {
+            augmentedNode = resolvedAugmentsForManager.get(nodeId).getResolveNodeInPath().get(nodeId);
+            if (((JavaFileInfoContainer) augmentedNode).getJavaFileInfo().getJavaName() != null) {
+                curNodeName = ((JavaFileInfoContainer) augmentedNode).getJavaFileInfo().getJavaName();
+            } else {
+                curNodeName = getCapitalCase(getCamelCase(augmentedNode.getName(), pluginConfig
+                        .getConflictResolver()));
+            }
+            returnType = getAugmentedClassNameForDataMethods(augmentedNode, parent);
+            parentName = getParentNodeNameForDataMethods(augmentedNode.getParent(), pluginConfig);
+            method = getOverRideString() + getGetter(returnType, AUGMENTED
+                            + parentName + getCapitalCase(curNodeName),
+                    GENERATE_SERVICE_AND_MANAGER) + NEW_LINE;
+            methods.append(method);
+
+            method = getOverRideString() + getSetter(parentName, getSmallCase(AUGMENTED) +
+                            getCapitalCase(parentName) + getCapitalCase(curNodeName),
+                    returnType,
+                    GENERATE_SERVICE_AND_MANAGER)
+                    + NEW_LINE;
+            methods.append(method);
+        }
+        return methods.toString();
+    }
+
 }

@@ -97,11 +97,6 @@ public final class UtilConstants {
     public static final String JAVA_DOC_RETURN = " * @return ";
 
     /**
-     * JavaDocs's throw annotation.
-     */
-    public static final String JAVA_DOC_THROWS = " * @throws ";
-
-    /**
      * JavaDocs's description for setter method.
      */
     public static final String JAVA_DOC_SETTERS = " * Returns the builder object of ";
@@ -307,11 +302,6 @@ public final class UtilConstants {
     public static final String IDENTITYREF = "identityref";
 
     /**
-     * Static attribute for instance identifier string.
-     */
-    public static final String INSTANCE_IDENTIFIER = "instance-identifier";
-
-    /**
      * Static attribute for output variable of rpc.
      */
     public static final String RPC_INPUT_VAR_NAME = "inputVar";
@@ -332,16 +322,6 @@ public final class UtilConstants {
     public static final String ADD = "+";
 
     /**
-     * Static attribute for asterisk.
-     */
-    public static final String ASTERISK = "*";
-
-    /**
-     * Static attribute for at.
-     */
-    public static final String AT = "@";
-
-    /**
      * Static attribute for quotes.
      */
     public static final String QUOTES = "\"";
@@ -357,6 +337,21 @@ public final class UtilConstants {
     public static final String COMMA = ",";
 
     /**
+     * Static attribute for class.
+     */
+    public static final String CLASS_STRING = "Class";
+
+    /**
+     * Static attribute for put.
+     */
+    public static final String PUT = "put";
+
+    /**
+     * Static attribute for get.
+     */
+    public static final String GET = "get";
+
+    /**
      * Static attribute for slash character.
      */
     public static final char CHAR_OF_SLASH = '/';
@@ -432,11 +427,6 @@ public final class UtilConstants {
     public static final String VALUE = "value";
 
     /**
-     * Static attribute for enumValue syntax.
-     */
-    public static final String ENUM_VALUE = "enumValue";
-
-    /**
      * Static attribute for suffix s.
      */
     public static final String SUFFIX_S = "s";
@@ -447,16 +437,6 @@ public final class UtilConstants {
     public static final String IF = "if";
 
     /**
-     * Static attribute for for.
-     */
-    public static final String FOR = "for";
-
-    /**
-     * Static attribute for while.
-     */
-    public static final String WHILE = "while";
-
-    /**
      * Static attribute for of.
      */
     public static final String OF = "of";
@@ -532,11 +512,6 @@ public final class UtilConstants {
     public static final String OPEN_PARENTHESIS = "(";
 
     /**
-     * Static attribute for clear syntax.
-     */
-    public static final String CLEAR = "clear";
-
-    /**
      * Static attribute for switch syntax.
      */
     public static final String SWITCH = "switch";
@@ -592,11 +567,6 @@ public final class UtilConstants {
     public static final String FOUR_SPACE_INDENTATION = "    ";
 
     /**
-     * Static attribute for not syntax.
-     */
-    public static final String NOT = "!";
-
-    /**
      * Static attribute for try syntax.
      */
     public static final String TRY = "try";
@@ -667,11 +637,6 @@ public final class UtilConstants {
     public static final String ABSTRACT = "abstract";
 
     /**
-     * Static attribute for protected modifier.
-     */
-    public static final String PROTECTED = "protected";
-
-    /**
      * Void java type.
      */
     public static final String VOID = "void";
@@ -732,11 +697,6 @@ public final class UtilConstants {
     public static final String LONG = "long";
 
     /**
-     * Float java built in type.
-     */
-    public static final String FLOAT = "float";
-
-    /**
      * Double java built in type.
      */
     public static final String DOUBLE = "double";
@@ -767,14 +727,9 @@ public final class UtilConstants {
     public static final String LONG_WRAPPER = "Long";
 
     /**
-     * YangUint64 java built in wrapper type.
-     */
-    public static final String YANG_UINT64 = "YangUint64";
-
-    /**
-     * Double java built in wrapper type.
+     * Static varibale for question mark.
      */
-    public static final String DOUBLE_WRAPPER = "Double";
+    public static final String QUESTION_MARK = "?";
 
     /**
      * List of keywords in java, this is used for checking if the input does not contain these keywords.
@@ -977,11 +932,22 @@ public final class UtilConstants {
     public static final String OVERRIDE = "@Override";
 
     /**
-     * Static attribute for new line.
+     * Static attribute for collections.
      */
     public static final String COLLECTION_IMPORTS = "java.util";
 
     /**
+     * Static attribute for map.
+     */
+    public static final String MAP = "Map";
+
+    /**
+     * Static attribute for hash map.
+     */
+    public static final String HASH_MAP = "HashMap";
+
+
+    /**
      * Static attribute for more object import package.
      */
     public static final String GOOGLE_MORE_OBJECT_IMPORT_PKG = "com.google.common.base";
@@ -1007,25 +973,14 @@ public final class UtilConstants {
     public static final String JAVA_UTIL_OBJECTS_IMPORT_CLASS = "Objects;\n";
 
     /**
-     * Static attribute for AugmentationHolder class import package.
-     */
-    public static final String PROVIDED_AUGMENTATION_CLASS_IMPORT_PKG =
-            "org.onosproject.yangutils.utils";
-
-    /**
-     * Static attribute for AugmentationHolder class import class.
-     */
-    public static final String AUGMENTATION_HOLDER_CLASS_IMPORT_CLASS = "AugmentationHolder;\n";
-
-    /**
      * Static attribute for AugmentedInfo class import package.
      */
-    public static final String AUGMENTED_INFO_CLASS_IMPORT_PKG = "org.onosproject.yangutils.utils";
+    public static final String YANG_AUGMENTED_INFO_CLASS_IMPORT_PKG = "org.onosproject.yangutils.datamodel";
 
     /**
      * Static attribute for AugmentedInfo class import class.
      */
-    public static final String AUGMENTED_INFO_CLASS_IMPORT_CLASS = "AugmentedInfo;\n";
+    public static final String YANG_AUGMENTED_INFO_CLASS_IMPORT_CLASS = "YangAugmentedInfo;\n";
 
     /**
      * Static attribute for augmentation class.
@@ -1033,19 +988,14 @@ public final class UtilConstants {
     public static final String AUGMENTATION = "Augmentation";
 
     /**
-     * Static attribute for AugmentationHolder class.
-     */
-    public static final String AUGMENTATION_HOLDER = "AugmentationHolder";
-
-    /**
      * Static attribute for AugmentedInfo class.
      */
-    public static final String AUGMENTED_INFO = "AugmentedInfo";
+    public static final String YANG_AUGMENTED_INFO = "YangAugmentedInfo";
 
     /**
-     * Static attribute for augmentable.
+     * Static attribute for augmented.
      */
-    public static final String AUGMENTABLE = "Augmentable";
+    public static final String AUGMENTED = "Augmented";
 
     /**
      * Static attribute for list.
@@ -1053,11 +1003,6 @@ public final class UtilConstants {
     public static final String LIST = "List";
 
     /**
-     * Static attribute for array list.
-     */
-    public static final String ARRAY_LIST = "ArrayList";
-
-    /**
      * Comment to be added for autogenerated impl methods.
      */
     public static final String YANG_UTILS_TODO = "//TODO: YANG utils generated code";
@@ -1166,16 +1111,6 @@ public final class UtilConstants {
     public static final String EVENT_LISTENER = "EventListener";
 
     /**
-     * Static attribute for YANG types package.
-     */
-    public static final String YANG_TYPES_PKG = "org.onosproject.yangutils.datamodel.utils.builtindatatype";
-
-    /**
-     * Static attribute for MathContext class.
-     */
-    public static final String MATH_CONTEXT = "MathContext";
-
-    /**
      * Static attribute for YANG file error.
      */
     public static final String YANG_FILE_ERROR = "YANG file error : ";

@@ -16,11 +16,13 @@
 
 package org.onosproject.yangutils.utils.io.impl;
 
-import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
+import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED;
+import static org.onosproject.yangutils.utils.UtilConstants.YANG_AUGMENTED_INFO;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER_CLASS_JAVA_DOC;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER_INTERFACE_JAVA_DOC;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER_OBJECT;
+import static org.onosproject.yangutils.utils.UtilConstants.CLASS;
 import static org.onosproject.yangutils.utils.UtilConstants.EMPTY_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.ENUM_ATTRIBUTE_JAVADOC;
 import static org.onosproject.yangutils.utils.UtilConstants.ENUM_CLASS_JAVADOC;
@@ -47,9 +49,11 @@ import static org.onosproject.yangutils.utils.UtilConstants.JAVA_DOC_RPC;
 import static org.onosproject.yangutils.utils.UtilConstants.JAVA_DOC_SETTERS;
 import static org.onosproject.yangutils.utils.UtilConstants.JAVA_DOC_SETTERS_COMMON;
 import static org.onosproject.yangutils.utils.UtilConstants.LIST;
+import static org.onosproject.yangutils.utils.UtilConstants.MAP;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE;
 import static org.onosproject.yangutils.utils.UtilConstants.NEW_LINE_ASTERISK;
 import static org.onosproject.yangutils.utils.UtilConstants.OBJECT;
+import static org.onosproject.yangutils.utils.UtilConstants.OBJECT_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.OF;
 import static org.onosproject.yangutils.utils.UtilConstants.PACKAGE_INFO_JAVADOC;
 import static org.onosproject.yangutils.utils.UtilConstants.PACKAGE_INFO_JAVADOC_OF_CHILD;
@@ -60,6 +64,8 @@ import static org.onosproject.yangutils.utils.UtilConstants.SPACE;
 import static org.onosproject.yangutils.utils.UtilConstants.STRING_DATA_TYPE;
 import static org.onosproject.yangutils.utils.UtilConstants.VALUE;
 import static org.onosproject.yangutils.utils.UtilConstants.VOID;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getCamelCase;
+import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
 
 /**
  * Represents javadoc for the generated classes.
@@ -73,127 +79,11 @@ public final class JavaDocGen {
     }
 
     /**
-     * JavaDocs types.
-     */
-    public enum JavaDocType {
-
-        /**
-         * For class.
-         */
-        IMPL_CLASS,
-
-        /**
-         * For builder class.
-         */
-        BUILDER_CLASS,
-
-        /**
-         * For interface.
-         */
-        INTERFACE,
-
-        /**
-         * For builder interface.
-         */
-        BUILDER_INTERFACE,
-
-        /**
-         * For package-info.
-         */
-        PACKAGE_INFO,
-
-        /**
-         * For getters.
-         */
-        GETTER_METHOD,
-
-        /**
-         * For rpc service.
-         */
-        RPC_INTERFACE,
-
-        /**
-         * For rpc manager.
-         */
-        RPC_MANAGER,
-
-        /**
-         * For event.
-         */
-        EVENT,
-
-        /**
-         * For event listener.
-         */
-        EVENT_LISTENER,
-
-        /**
-         * For setters.
-         */
-        SETTER_METHOD,
-
-        /**
-         * For type def's setters.
-         */
-        TYPE_DEF_SETTER_METHOD,
-
-        /**
-         * For of method.
-         */
-        OF_METHOD,
-
-        /**
-         * For default constructor.
-         */
-        DEFAULT_CONSTRUCTOR,
-
-        /**
-         * For constructor.
-         */
-        CONSTRUCTOR,
-
-        /**
-         * For from method.
-         */
-        FROM_METHOD,
-
-        /**
-         * For type constructor.
-         */
-        TYPE_CONSTRUCTOR,
-
-        /**
-         * For build.
-         */
-        BUILD_METHOD,
-
-        /**
-         * For enum.
-         */
-        ENUM_CLASS,
-
-        /**
-         * For enum's attributes.
-         */
-        ENUM_ATTRIBUTE,
-
-        /**
-         * For manager setters.
-         */
-        MANAGER_SETTER_METHOD,
-
-        /**
-         * For event subject.
-         */
-        EVENT_SUBJECT_CLASS
-    }
-
-    /**
      * Returns java docs.
      *
-     * @param type java doc type
-     * @param name name of the YangNode
-     * @param isList is list attribute
+     * @param type         java doc type
+     * @param name         name of the YangNode
+     * @param isList       is list attribute
      * @param pluginConfig plugin configurations
      * @return javadocs.
      */
@@ -250,10 +140,10 @@ public final class JavaDocGen {
                 return generateForEnumAttr(name);
             }
             case RPC_INTERFACE: {
-               return generateForRpcService(name);
+                return generateForRpcService(name);
             }
             case RPC_MANAGER: {
-               return generateForClass(name);
+                return generateForClass(name);
             }
             case EVENT: {
                 return generateForEvent(name);
@@ -284,14 +174,14 @@ public final class JavaDocGen {
     /**
      * Generates javaDocs for rpc method.
      *
-     * @param rpcName name of the rpc
-     * @param inputName name of input
-     * @param outputName name of output
+     * @param rpcName      name of the rpc
+     * @param inputName    name of input
+     * @param outputName   name of output
      * @param pluginConfig plugin configurations
      * @return javaDocs of rpc method
      */
     public static String generateJavaDocForRpc(String rpcName, String inputName, String outputName,
-            YangPluginConfig pluginConfig) {
+                                               YangPluginConfig pluginConfig) {
         rpcName = getCamelCase(rpcName, pluginConfig.getConflictResolver());
 
         String javadoc =
@@ -310,7 +200,7 @@ public final class JavaDocGen {
      * Returns output string of rpc.
      *
      * @param outputName name of output
-     * @param rpcName name of rpc
+     * @param rpcName    name of rpc
      * @return javaDocs for output string of rpc
      */
     private static String getOutputString(String outputName, String rpcName) {
@@ -321,7 +211,7 @@ public final class JavaDocGen {
      * Returns input string of rpc.
      *
      * @param inputName name of input
-     * @param rpcName name of rpc
+     * @param rpcName   name of rpc
      * @return javaDocs for input string of rpc
      */
     private static String getInputString(String inputName, String rpcName) {
@@ -369,7 +259,7 @@ public final class JavaDocGen {
      * Generates javaDocs for getter method.
      *
      * @param attribute attribute
-     * @param isList is list attribute
+     * @param isList    is list attribute
      * @return javaDocs
      */
     private static String generateForGetters(String attribute, boolean isList) {
@@ -392,7 +282,7 @@ public final class JavaDocGen {
      * Generates javaDocs for setter method.
      *
      * @param attribute attribute
-     * @param isList is list attribute
+     * @param isList    is list attribute
      * @return javaDocs
      */
     private static String generateForSetters(String attribute, boolean isList) {
@@ -416,7 +306,7 @@ public final class JavaDocGen {
      * Generates javaDocs for setter method.
      *
      * @param attribute attribute
-     * @param isList is list attribute
+     * @param isList    is list attribute
      * @return javaDocs
      */
     private static String generateForManagerSetters(String attribute, boolean isList) {
@@ -596,4 +486,143 @@ public final class JavaDocGen {
                 + JAVA_DOC_PARAM + VALUE + SPACE + VALUE + SPACE + OF + SPACE + attribute + NEW_LINE
                 + FOUR_SPACE_INDENTATION + JAVA_DOC_END_LINE;
     }
+
+    /**
+     * Generates javaDocs for add augmentation method.
+     *
+     * @return javaDocs
+     */
+    public static String generateForAddAugmentation() {
+        return NEW_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_FIRST_LINE + FOUR_SPACE_INDENTATION
+                + JAVA_DOC_SETTERS_COMMON + getSmallCase(YANG_AUGMENTED_INFO) + MAP + PERIOD + NEW_LINE +
+                FOUR_SPACE_INDENTATION + NEW_LINE_ASTERISK + FOUR_SPACE_INDENTATION + JAVA_DOC_PARAM + VALUE + SPACE +
+                VALUE + SPACE + OF + SPACE + getSmallCase(YANG_AUGMENTED_INFO) + NEW_LINE + FOUR_SPACE_INDENTATION
+                + JAVA_DOC_PARAM + CLASS + OBJECT_STRING + SPACE +
+                VALUE + SPACE + OF + SPACE + AUGMENTED + CLASS + NEW_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_END_LINE;
+    }
+
+    public static String generateForGetAugmentation() {
+        return NEW_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_FIRST_LINE + FOUR_SPACE_INDENTATION
+                + JAVA_DOC_GETTERS + getSmallCase(YANG_AUGMENTED_INFO) + PERIOD + NEW_LINE +
+                FOUR_SPACE_INDENTATION + NEW_LINE_ASTERISK + FOUR_SPACE_INDENTATION + JAVA_DOC_PARAM + CLASS +
+                OBJECT_STRING + SPACE + VALUE + SPACE + OF + SPACE + AUGMENTED + CLASS + NEW_LINE +
+                FOUR_SPACE_INDENTATION + JAVA_DOC_RETURN + VALUE + SPACE +
+                OF + SPACE + YANG_AUGMENTED_INFO + NEW_LINE + FOUR_SPACE_INDENTATION + JAVA_DOC_END_LINE;
+    }
+
+    /**
+     * JavaDocs types.
+     */
+    public enum JavaDocType {
+
+        /**
+         * For class.
+         */
+        IMPL_CLASS,
+
+        /**
+         * For builder class.
+         */
+        BUILDER_CLASS,
+
+        /**
+         * For interface.
+         */
+        INTERFACE,
+
+        /**
+         * For builder interface.
+         */
+        BUILDER_INTERFACE,
+
+        /**
+         * For package-info.
+         */
+        PACKAGE_INFO,
+
+        /**
+         * For getters.
+         */
+        GETTER_METHOD,
+
+        /**
+         * For rpc service.
+         */
+        RPC_INTERFACE,
+
+        /**
+         * For rpc manager.
+         */
+        RPC_MANAGER,
+
+        /**
+         * For event.
+         */
+        EVENT,
+
+        /**
+         * For event listener.
+         */
+        EVENT_LISTENER,
+
+        /**
+         * For setters.
+         */
+        SETTER_METHOD,
+
+        /**
+         * For type def's setters.
+         */
+        TYPE_DEF_SETTER_METHOD,
+
+        /**
+         * For of method.
+         */
+        OF_METHOD,
+
+        /**
+         * For default constructor.
+         */
+        DEFAULT_CONSTRUCTOR,
+
+        /**
+         * For constructor.
+         */
+        CONSTRUCTOR,
+
+        /**
+         * For from method.
+         */
+        FROM_METHOD,
+
+        /**
+         * For type constructor.
+         */
+        TYPE_CONSTRUCTOR,
+
+        /**
+         * For build.
+         */
+        BUILD_METHOD,
+
+        /**
+         * For enum.
+         */
+        ENUM_CLASS,
+
+        /**
+         * For enum's attributes.
+         */
+        ENUM_ATTRIBUTE,
+
+        /**
+         * For manager setters.
+         */
+        MANAGER_SETTER_METHOD,
+
+        /**
+         * For event subject.
+         */
+        EVENT_SUBJECT_CLASS
+    }
 }

@@ -103,7 +103,7 @@ public final class YangIoUtils {
      * @throws IOException when fails to create package info file
      */
     public static void addPackageInfo(File path, String classInfo, String pack, boolean isChildNode,
-            YangPluginConfig pluginConfig)
+                                      YangPluginConfig pluginConfig)
             throws IOException {
 
         pack = parsePkg(pack);
@@ -385,7 +385,7 @@ public final class YangIoUtils {
 
     /* Updates the given line with the given size conditions. */
     private static StringBuilder updateString(String[] strArray, StringBuilder stringBuilder, String string,
-            int lineSize) {
+                                              int lineSize) {
 
         StringBuilder tempBuilder = new StringBuilder();
         for (String str : strArray) {
@@ -481,7 +481,7 @@ public final class YangIoUtils {
     /**
      * Adds prefix, if the string begins with digit or is a java key word.
      *
-     * @param camelCasePrefix string for adding prefix
+     * @param camelCasePrefix  string for adding prefix
      * @param conflictResolver object of YANG to java naming conflict util
      * @return prefixed camel case string
      */
@@ -502,7 +502,7 @@ public final class YangIoUtils {
      * Applies the rule that a string does not end with a capitalized letter and capitalizes
      * the letter next to a number in an array.
      *
-     * @param stringArray containing strings for camel case separation
+     * @param stringArray      containing strings for camel case separation
      * @param conflictResolver object of YANG to java naming conflict util
      * @return camel case rule checked string
      */
@@ -545,7 +545,7 @@ public final class YangIoUtils {
     /**
      * Resolves the conflict when input has upper case.
      *
-     * @param stringArray containing strings for upper case conflict resolver
+     * @param stringArray      containing strings for upper case conflict resolver
      * @param conflictResolver object of YANG to java naming conflict util
      * @return camel cased string
      */
@@ -597,7 +597,7 @@ public final class YangIoUtils {
     /**
      * Returns the YANG identifier name as java identifier.
      *
-     * @param yangIdentifier identifier in YANG file
+     * @param yangIdentifier   identifier in YANG file
      * @param conflictResolver object of YANG to java naming conflict util
      * @return corresponding java identifier
      */

@@ -206,7 +206,7 @@ public class InterJarLinkerTest {
         File folder = new File(System.getProperty("user.dir") + SLASH + FLOW_CLASSIFIER_FOLDER);
         File file = new File(System.getProperty("user.dir") + SLASH + FLOW_CLASSIFIER_MANAGER);
         assertThat(true, is(folder.exists()));
-        assertThat(false, is(file.exists()));
+        assertThat(true, is(file.exists()));
     }
 
     /**

@@ -50,6 +50,7 @@ public final class NotificationTranslatorTest {
         generateJavaCode(node, yangPluginConfig);
 
         deleteDirectory("target/NotificationTest/");
+        deleteDirectory("target/NotificationTest1/");
     }
 
     // TODO enhance the test cases, after having a framework of translator test.

@@ -26,7 +26,6 @@ import org.onosproject.yangutils.datamodel.YangAugment;
 import org.onosproject.yangutils.datamodel.YangNode;
 import org.onosproject.yangutils.datamodel.YangReferenceResolver;
 import org.onosproject.yangutils.datamodel.YangResolutionInfo;
-import org.onosproject.yangutils.linker.exceptions.LinkerException;
 import org.onosproject.yangutils.linker.impl.YangLinkerManager;
 import org.onosproject.yangutils.linker.impl.YangXpathLinker;
 import org.onosproject.yangutils.utils.io.impl.YangFileScanner;
@@ -44,11 +43,12 @@ public class YangXpathLinkerTest {
     private YangLinkerManager linkerManager = new YangLinkerManager();
     private static final String INTRA_FILE_PATH = "src/test/resources/xPathLinker/IntraFile/";
     private static final String INTER_FILE_PATH = "src/test/resources/xPathLinker/InterFile/";
+    private static final String CASE_FILE_PATH = "src/test/resources/xPathLinker/Case/";
 
     /**
      * Unit test case for intra file linking for single level container.
      *
-     * @throws IOException when fails to do IO operations
+     * @throws IOException            when fails to do IO operations
      * @throws MojoExecutionException
      */
     @Test
@@ -230,7 +230,7 @@ public class YangXpathLinkerTest {
      *
      * @throws IOException when fails to do IO operations
      */
-    @Test(expected = LinkerException.class)
+    @Test
     public void processIntraFileLinkingInUsesSingleLevel() throws IOException {
 
         utilManager.createYangFileInfoSet(YangFileScanner.getYangFiles(INTRA_FILE_PATH + "IntraSingleUses/"));
@@ -260,7 +260,7 @@ public class YangXpathLinkerTest {
      *
      * @throws IOException when fails to do IO operations
      */
-    @Test(expected = LinkerException.class)
+    @Test
     public void processIntraFileLinkingInUsesMultiLevel() throws IOException {
 
         utilManager.createYangFileInfoSet(YangFileScanner.getYangFiles(INTRA_FILE_PATH + "IntraMultiUses/"));
@@ -449,6 +449,9 @@ public class YangXpathLinkerTest {
         utilManager.createYangNodeSet();
         linkerManager.createYangNodeSet(utilManager.getYangNodeSet());
         linkerManager.addRefToYangFilesImportList(utilManager.getYangNodeSet());
+        linkerManager.linkSubModulesToParentModule(utilManager.getYangNodeSet());
+        linkerManager.addRefToYangFilesIncludeList(utilManager.getYangNodeSet());
+        linkerManager.processInterFileLinking(utilManager.getYangNodeSet());
 
         YangNode targetNode = null;
         String targetNodeName = null;
@@ -459,7 +462,7 @@ public class YangXpathLinkerTest {
             for (YangAugment augment : augments) {
                 targetNodeName = augment.getTargetNode().get(augment.getTargetNode().size() - 1).getNodeIdentifier()
                         .getName();
-                targetNode = linker.processAugmentXpathLinking(augment.getTargetNode(), node);
+                targetNode = augment.getAugmentedNode();
             }
         }
 
@@ -481,7 +484,7 @@ public class YangXpathLinkerTest {
         linkerManager.linkSubModulesToParentModule(utilManager.getYangNodeSet());
         linkerManager.addRefToYangFilesImportList(utilManager.getYangNodeSet());
         linkerManager.addRefToYangFilesIncludeList(utilManager.getYangNodeSet());
-
+        linkerManager.processInterFileLinking(utilManager.getYangNodeSet());
         YangNode targetNode = null;
         String targetNodeName = null;
 
@@ -491,7 +494,7 @@ public class YangXpathLinkerTest {
             for (YangAugment augment : augments) {
                 targetNodeName = augment.getTargetNode().get(augment.getTargetNode().size() - 1).getNodeIdentifier()
                         .getName();
-                targetNode = linker.processAugmentXpathLinking(augment.getTargetNode(), node);
+                targetNode = augment.getAugmentedNode();
             }
         }
 
@@ -523,7 +526,7 @@ public class YangXpathLinkerTest {
             for (YangAugment augment : augments) {
                 targetNodeName = augment.getTargetNode().get(augment.getTargetNode().size() - 1).getNodeIdentifier()
                         .getName();
-                targetNode = linker.processAugmentXpathLinking(augment.getTargetNode(), node);
+                targetNode = augment.getAugmentedNode();
             }
         }
 
@@ -538,11 +541,11 @@ public class YangXpathLinkerTest {
     @Test
     public void processInterFileLinkingInUsesInAugment() throws IOException {
 
-        /* FIXME: when uses cloning is done test it.
         utilManager.createYangFileInfoSet(YangFileScanner.getYangFiles(INTER_FILE_PATH + "InterSingleUses/"));
         utilManager.parseYangFileInfoSet();
         utilManager.createYangNodeSet();
         linkerManager.createYangNodeSet(utilManager.getYangNodeSet());
+        linkerManager.linkSubModulesToParentModule(utilManager.getYangNodeSet());
         linkerManager.addRefToYangFilesImportList(utilManager.getYangNodeSet());
         linkerManager.addRefToYangFilesIncludeList(utilManager.getYangNodeSet());
         linkerManager.processInterFileLinking(utilManager.getYangNodeSet());
@@ -555,13 +558,13 @@ public class YangXpathLinkerTest {
 
             for (YangAugment augment : augments) {
                 targetNodeName = augment.getTargetNode().get(augment.getTargetNode().size() - 1)
-                .getNodeIdentifier().getName();
-                targetNode = linker.processXpathLinking(augment.getTargetNode(), node);
+                        .getNodeIdentifier().getName();
+                targetNode = augment.getAugmentedNode();
             }
         }
 
         assertThat(true, is(targetNode.getName().equals(targetNodeName)));
-        */
+
     }
 
     /**
@@ -569,7 +572,7 @@ public class YangXpathLinkerTest {
      *
      * @throws IOException when fails to do IO operations
      */
-    @Test(expected = LinkerException.class)
+    @Test
     public void processInterFileLinkingInUsesMultiLevel() throws IOException {
 
         utilManager.createYangFileInfoSet(YangFileScanner.getYangFiles(INTER_FILE_PATH + "InterMultiUses/"));
@@ -596,4 +599,72 @@ public class YangXpathLinkerTest {
         assertThat(true, is(targetNode.getName().equals(targetNodeName)));
     }
 
+    /**
+     * Unit test case for inter file linking for multi level uses inside augment.
+     *
+     * @throws IOException when fails to do IO operations
+     */
+    @Test
+    public void processInterFileLinkingInMultipleSubmodules() throws IOException {
+
+        utilManager.createYangFileInfoSet(YangFileScanner.getYangFiles(CASE_FILE_PATH + "submodule/"));
+        utilManager.parseYangFileInfoSet();
+        utilManager.createYangNodeSet();
+        linkerManager.createYangNodeSet(utilManager.getYangNodeSet());
+        linkerManager.linkSubModulesToParentModule(utilManager.getYangNodeSet());
+        linkerManager.addRefToYangFilesImportList(utilManager.getYangNodeSet());
+        linkerManager.addRefToYangFilesIncludeList(utilManager.getYangNodeSet());
+        linkerManager.processInterFileLinking(utilManager.getYangNodeSet());
+
+        YangNode targetNode = null;
+        String targetNodeName = null;
+
+        for (YangNode node : utilManager.getYangNodeSet()) {
+            List<YangAugment> augments = linker.getListOfYangAugment(node);
+
+            for (YangAugment augment : augments) {
+                targetNodeName = augment.getTargetNode().get(augment.getTargetNode().size() - 1)
+                        .getNodeIdentifier().getName();
+                targetNode = augment.getAugmentedNode();
+            }
+        }
+
+        assertThat(true, is(targetNode.getName().equals(targetNodeName)));
+
+    }
+
+    /**
+     * Unit test case for inter file linking for multi level uses inside augment.
+     *
+     * @throws IOException when fails to do IO operations
+     */
+    @Test
+    public void processInterFileLinkingInMultipleUses() throws IOException {
+
+        /** FIXME: once order of linking is done.
+         utilManager.createYangFileInfoSet(YangFileScanner.getYangFiles(CASE_FILE_PATH + "uses/"));
+         utilManager.parseYangFileInfoSet();
+         utilManager.createYangNodeSet();
+         linkerManager.createYangNodeSet(utilManager.getYangNodeSet());
+         linkerManager.linkSubModulesToParentModule(utilManager.getYangNodeSet());
+         linkerManager.addRefToYangFilesImportList(utilManager.getYangNodeSet());
+         linkerManager.addRefToYangFilesIncludeList(utilManager.getYangNodeSet());
+         linkerManager.processInterFileLinking(utilManager.getYangNodeSet());
+
+         YangNode targetNode = null;
+         String targetNodeName = null;
+
+         for (YangNode node : utilManager.getYangNodeSet()) {
+         List<YangAugment> augments = linker.getListOfYangAugment(node);
+
+         for (YangAugment augment : augments) {
+         targetNodeName = augment.getTargetNode().get(augment.getTargetNode().size() - 1)
+         .getNodeIdentifier().getName();
+         targetNode = augment.getAugmentedNode();
+         }
+         }
+
+         assertThat(true, is(targetNode.getName().equals(targetNodeName)));
+         */
+    }
 }

@@ -113,8 +113,6 @@ public final class JavaIdentifierSyntaxTest {
     private static final String BASE_DIR_PKG = "target.UnitTestCase.";
     private static final String DIR_PATH = "exist1.exist2.exist3";
     private static final String PKG_INFO = "package-info.java";
-    private static final String BASE_PKG = "target/UnitTestCase";
-    private static final String TEST_DATA_1 = "This is to append a text to the file first1\n";
 
     /**
      * Unit test for private constructor.
@@ -319,5 +317,6 @@ public final class JavaIdentifierSyntaxTest {
         assertThat(true, is(doesPackageExist(strPath)));
         createDir.delete();
         deleteDirectory(createDir);
+        deleteDirectory(new File(BASE_DIR_PKG.replace(PERIOD, SLASH)));
     }
 }

@@ -20,6 +20,8 @@ import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
+
+import org.apache.commons.io.FileUtils;
 import org.junit.Test;
 
 import static org.apache.commons.io.FileUtils.deleteDirectory;
@@ -84,5 +86,6 @@ public final class FileSystemUtilTest {
         appendFileContents(createFile, createSourceFile);
         updateFileHandle(createFile, null, true);
         deleteDirectory(dir);
+        FileUtils.deleteDirectory(new File(BASE_PKG));
     }
 }

@@ -67,7 +67,7 @@ public final class YangIoUtilsTest {
         addPackageInfo(dirPath, CHECK1, CREATE_PATH, false, getStubPluginConfig());
         File filePath = new File(dirPath + File.separator + PKG_INFO);
         assertThat(filePath.isFile(), is(true));
-        FileUtils.deleteDirectory(dirPath);
+        FileUtils.deleteDirectory(new File(BASE_DIR));
     }
 
     /**
@@ -83,7 +83,7 @@ public final class YangIoUtilsTest {
         addPackageInfo(dirPath, CHECK1, PATH + CREATE_PATH, false, getStubPluginConfig());
         File filePath = new File(dirPath + File.separator + PKG_INFO);
         assertThat(filePath.isFile(), is(true));
-        FileUtils.deleteDirectory(dirPath);
+        FileUtils.deleteDirectory(new File(BASE_DIR));
     }
 
     /**
@@ -99,7 +99,7 @@ public final class YangIoUtilsTest {
         addPackageInfo(dirPath, CHECK1, PATH + CREATE_PATH, true, getStubPluginConfig());
         File filePath = new File(dirPath + File.separator + PKG_INFO);
         assertThat(filePath.isFile(), is(true));
-        FileUtils.deleteDirectory(dirPath);
+        FileUtils.deleteDirectory(new File(BASE_DIR));
     }
 
     /**
@@ -117,6 +117,7 @@ public final class YangIoUtilsTest {
         File filePath1 = new File(dirPath + File.separator + PKG_INFO);
         assertThat(filePath1.isFile(), is(false));
         FileUtils.deleteDirectory(dirPath);
+        FileUtils.deleteDirectory(new File(BASE_DIR));
     }
 
     /**
@@ -180,7 +181,7 @@ public final class YangIoUtilsTest {
 
         File dirPath = createDirectories(CREATE_PATH);
         assertThat(dirPath.isDirectory(), is(true));
-        FileUtils.deleteDirectory(dirPath);
+        FileUtils.deleteDirectory(new File(BASE_DIR));
     }
 
     /**

@@ -2,10 +2,7 @@ submodule acme-types {
         
     belongs-to "test" {
          prefix "test";
-    }           
-    import test1{  
-       prefix test1;
-    }  
+    }
     organization "";  
     contact "";  
          

@@ -1723,9 +1723,9 @@
        uses tet:te-link-state-derived;
      }
 
-     /*
+     
      augment "/te-link-event/te-link-attributes/underlay" {
        description "Add state attributes to te-link underlay.";
        uses te-link-state-underlay-attributes;
-     } */
+     }
    }

+module test {  
+    namespace "xpath:intra:single";  
+    prefix test ;  
+   
+    include test1;
+    include test2;
+    include test4;
+
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }  
+
+    augment /cont5/cont6 {
+       leaf a {
+          type int32;
+       }
+    }
+
+   augment /cont3/cont4/cont8 {
+       leaf a {
+          type int32;
+       }
+    }
+}
+    

+submodule test1 {  
+
+    belongs-to test {
+         prefix test;
+    }           
+
+    include test4;
+
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }
+
+    container cont1 {
+          leaf leaf1 {
+             type int32;
+         }
+         container cont2 {
+            leaf leaf2 {
+               type int32;
+            }
+         }
+     }
+    
+    augment /cont1/cont2 {
+        container cont4 {
+          leaf leaf1 {
+             type int32;
+          }
+       }
+    }
+
+     augment /cont3/cont4 {
+        container cont8 {
+          leaf leaf8 {
+             type int32;
+          }
+       }
+    }
+
+}
+    

+submodule test2{
+    belongs-to test {
+         prefix test;
+    }
+
+    include test1;
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }  
+
+    container cont5 {
+       leaf leaf5 {
+          type int32;
+       }
+       container cont6 {
+          leaf leaf6 {
+             type int32;
+          }
+       }
+    }
+
+   augment /cont1/cont2/cont4 {
+        container cont10 {
+          leaf leaf10 {
+             type int32;
+          }
+       }
+    }
+}
+    

+submodule test4 {  
+
+    belongs-to test {
+         prefix test;
+    } 
+      
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }  
+
+    container cont3 {
+       leaf leaf3 {
+          type int32;
+       }
+       container cont4 {
+          leaf leaf4 {
+             type int32;
+          }
+       }
+    }
+}
+    

+module test {  
+    namespace "xpath:intra:single";  
+    prefix test ;  
+   
+    include test1;
+    include test2;
+    include test4;
+
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }  
+
+    augment /cont5/cont6/cont3/cont4 {
+       leaf a {
+          type int32;
+       }
+    }
+
+   augment /group1/cont3/cont4/cont8 {
+       leaf a {
+          type int32;
+       }
+    }
+}
+    

+submodule test1 {  
+
+    belongs-to test {
+         prefix test;
+    }           
+
+    include test4;
+
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }
+
+    container cont1 {
+          leaf leaf1 {
+             type int32;
+         }
+         container cont2 {
+            leaf leaf2 {
+               type int32;
+            }
+         }
+     }
+    
+    augment /cont1/cont2 {
+        container cont4 {
+          leaf leaf1 {
+             type int32;
+          }
+       }
+    }
+
+     augment /group1/cont3/cont4 {
+        container cont8 {
+          leaf leaf8 {
+             type int32;
+          }
+       }
+    }
+
+}
+    

+submodule test2{
+    belongs-to test {
+         prefix test;
+    }
+
+    include test1;
+    include test4;
+
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }  
+
+    grouping group2 {
+        container cont11 {
+        }
+    }
+
+    container cont5 {
+       leaf leaf5 {
+          type int32;
+       }
+       container cont6 {
+          leaf leaf6 {
+             type int32;
+          }
+       uses group1;
+       }
+    }
+
+     container ethernet {
+           leaf leaf10 {
+                 type string;
+            }
+     }
+         
+
+   augment /ethernet {
+       uses group2;
+   }
+
+   augment /cont1/cont2/cont4 {
+        container cont10 {
+          leaf leaf10 {
+             type int32;
+          }
+          
+       }
+    }
+}
+    

+submodule test4 {  
+
+    belongs-to test {
+         prefix test;
+    } 
+      
+    include test2;
+    organization "";  
+    contact "";  
+       
+    description   
+        "Defines basic service types for L3VPN service.";  
+       
+    revision "2015-12-16" {  
+        reference "";  
+    }  
+
+    grouping group1 {
+        container cont3 {
+           leaf leaf3 {
+              type int32;
+           }
+           container cont4 {
+                 leaf leaf4 {
+                    type int32;
+                 }
+            }
+        }
+    }
+
+    augment /ethernet/cont11 {
+       leaf leaf11 {
+             type int32;
+       }
+   }
+    
+}

@@ -21,7 +21,7 @@ module test {
     }  
 
      augment /test2:cont1/test2:cont2/test2:cont3/test1:cont2 {
-       leaf a {
+       leaf leaf8 {
           type int32;
        }
      }

@@ -29,7 +29,7 @@ module test1 {
              type int32;
           }
           container cont2 {
-             leaf leaf1 {
+             leaf leaf3 {
                 type int32;
              }
           }
@@ -37,12 +37,12 @@ module test1 {
     }
    
     augment /test2:cont1/test2:cont2/test2:cont3 {
-       leaf a {
+       leaf leaf2 {
           type int32;
        }
 
        container cont2 {
-             leaf leaf1 {
+             leaf leaf4 {
                 type int32;
              }
         }

@@ -13,11 +13,11 @@ module test2 {
     }  
 
     container cont1 {
-       leaf leaf1 {
+       leaf leaf5 {
           type int32;
        }
        container cont2 {
-          leaf leaf1 {
+          leaf leaf6 {
              type int32;
           }
        }
@@ -25,7 +25,7 @@ module test2 {
 
     augment /cont1/cont2 {
         container cont3 {
-            leaf a {
+            leaf leaf7 {
               type string;
             }
         }

@@ -23,7 +23,7 @@ module test {
        uses test2:group1; 
     }
 
-    augment /cont2/group1/cont1/cont2 {
+    augment /cont2/cont1/cont2 {
           leaf a {
           type int32;
        }

@@ -19,14 +19,14 @@ module test {
     }
 
     augment /test2:cont1/test2:cont2/cont2 {
-       leaf a {
+       leaf leaf {
           type int32;
        }
        uses group1; 
     }
 
-    augment /test2:cont1/test2:cont2/cont2/group1/cont1/cont2 {
-          leaf a {
+    augment /test2:cont1/test2:cont2/cont2/cont1/cont2 {
+          leaf leaf1 {
           type int32;
        }
     } 

@@ -21,7 +21,7 @@ submodule test1 {
     grouping group1 {
         container cont1 {
            container cont2 {
-               leaf a {
+               leaf leaf2 {
                   type string;
                }
            }
@@ -29,7 +29,7 @@ submodule test1 {
     }
 
     augment /test2:cont1/test2:cont2 {
-       leaf a {
+       leaf leaf3 {
           type int32;
        }
        container cont2 {

@@ -13,11 +13,11 @@ module test2 {
     }  
 
     container cont1 {
-       leaf leaf1 {
+       leaf leaf4 {
           type int32;
        }
        container cont2 {
-          leaf leaf1 {
+          leaf leaf5 {
              type int32;
           }
        }

@@ -29,7 +29,7 @@ module test {
          uses group1;
     }
 
-    augment /cont2/group1/cont1/cont3 {
+    augment /cont2/cont1/cont3 {
        leaf a {
           type int32;
        }

@@ -24,7 +24,7 @@ module test {
          uses group1;
     }
 
-    augment /cont2/group1/cont1 {
+    augment /cont2/cont1 {
        leaf a {
           type int32;
        }