Interners.java
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package com.google.common.collect;
import com.google.common.annotations.Beta;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Equivalence;
import com.google.common.base.Function;
import com.google.common.base.Preconditions;
import java.util.concurrent.ConcurrentMap;
import pc;
import pc.l;
import pc.m;
@Beta
public final class Interners
{
public static <E> Function<E, E> asFunction(Interner<E> paramInterner)
{
return new a((Interner)Preconditions.checkNotNull(paramInterner));
}
public static <E> Interner<E> newStrongInterner()
{
new Interner()
{
public final E intern(E paramAnonymousE)
{
Object localObject = this.a.putIfAbsent(Preconditions.checkNotNull(paramAnonymousE), paramAnonymousE);
if (localObject == null) {
return paramAnonymousE;
}
return (E)localObject;
}
};
}
@GwtIncompatible("java.lang.ref.WeakReference")
public static <E> Interner<E> newWeakInterner()
{
return new b((byte)0);
}
static final class a<E>
implements Function<E, E>
{
private final Interner<E> a;
public a(Interner<E> paramInterner)
{
this.a = paramInterner;
}
public final E apply(E paramE)
{
return (E)this.a.intern(paramE);
}
public final boolean equals(Object paramObject)
{
if ((paramObject instanceof a))
{
paramObject = (a)paramObject;
return this.a.equals(((a)paramObject).a);
}
return false;
}
public final int hashCode()
{
return this.a.hashCode();
}
}
static final class b<E>
implements Interner<E>
{
private final pc<E, a> a = new pc(new MapMaker().weakKeys().a(Equivalence.equals()));
public final E intern(E paramE)
{
do
{
Object localObject = this.a;
if (paramE == null) {}
int i;
for (localObject = null; localObject != null; localObject = ((pc)localObject).a(i).a(paramE, i))
{
localObject = ((pc.l)localObject).d();
if (localObject == null) {
break;
}
return (E)localObject;
i = ((pc)localObject).b(paramE);
}
} while ((a)this.a.putIfAbsent(paramE, a.a) != null);
return paramE;
}
static enum a
{
private a() {}
}
}
}
/* Location: /home/merong/decompile/hackery-dex2jar.jar!/com/google/common/collect/Interners.class
* Java compiler version: 6 (50.0)
* JD-Core Version: 0.7.1
*/