Optional.java
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package com.google.common.base;
import com.google.common.annotations.Beta;
import com.google.common.annotations.GwtCompatible;
import java.io.Serializable;
import java.util.Iterator;
import java.util.Set;
import javax.annotation.Nullable;
import mg;
import mh;
import mk;
@GwtCompatible(serializable=true)
public abstract class Optional<T>
implements Serializable
{
private static final long serialVersionUID = 0L;
public static <T> Optional<T> absent()
{
return mg.a();
}
public static <T> Optional<T> fromNullable(@Nullable T paramT)
{
if (paramT == null) {
return absent();
}
return new mk(paramT);
}
public static <T> Optional<T> of(T paramT)
{
return new mk(Preconditions.checkNotNull(paramT));
}
@Beta
public static <T> Iterable<T> presentInstances(Iterable<? extends Optional<? extends T>> paramIterable)
{
Preconditions.checkNotNull(paramIterable);
new Iterable()
{
public final Iterator<T> iterator()
{
new mh()
{
private final Iterator<? extends Optional<? extends T>> b = (Iterator)Preconditions.checkNotNull(Optional.1.this.a.iterator());
protected final T a()
{
while (this.b.hasNext())
{
Optional localOptional = (Optional)this.b.next();
if (localOptional.isPresent()) {
return (T)localOptional.get();
}
}
return (T)b();
}
};
}
};
}
public abstract Set<T> asSet();
public abstract boolean equals(@Nullable Object paramObject);
public abstract T get();
public abstract int hashCode();
public abstract boolean isPresent();
public abstract Optional<T> or(Optional<? extends T> paramOptional);
@Beta
public abstract T or(Supplier<? extends T> paramSupplier);
public abstract T or(T paramT);
@Nullable
public abstract T orNull();
public abstract String toString();
public abstract <V> Optional<V> transform(Function<? super T, V> paramFunction);
}
/* Location: /home/merong/decompile/hackery-dex2jar.jar!/com/google/common/base/Optional.class
* Java compiler version: 6 (50.0)
* JD-Core Version: 0.7.1
*/