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Ehcache is an open source, standards-based cache used to boost performance, offload the database and simplify scalability. Ehcache is robust, proven and full-featured and this has made it the most widely-used Java-based cache.

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package com.fasterxml.jackson.databind.deser.std;

import java.io.IOException;
import java.util.concurrent.atomic.AtomicReference;

import com.fasterxml.jackson.core.*;

import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.deser.ContextualDeserializer;
import com.fasterxml.jackson.databind.jsontype.TypeDeserializer;

public class AtomicReferenceDeserializer
    extends StdDeserializer>
    implements ContextualDeserializer
{
    private static final long serialVersionUID = 1L;

    /**
     * Type of value that we reference
     */
    protected final JavaType _referencedType;
    
    protected final TypeDeserializer _valueTypeDeserializer;

    protected final JsonDeserializer _valueDeserializer;
    
    /**
     * @param referencedType Parameterization of this reference
     */
    public AtomicReferenceDeserializer(JavaType referencedType) {
        this(referencedType, null, null);
    }
    
    public AtomicReferenceDeserializer(JavaType referencedType,
            TypeDeserializer typeDeser, JsonDeserializer deser)
    {
        super(AtomicReference.class);
        _referencedType = referencedType;
        _valueDeserializer = deser;
        _valueTypeDeserializer = typeDeser;
    }

    public AtomicReferenceDeserializer withResolved(TypeDeserializer typeDeser,
            JsonDeserializer valueDeser)
    {
        return new AtomicReferenceDeserializer(_referencedType,
                typeDeser, valueDeser);
    }
    
    // Added in 2.3
    @Override
    public AtomicReference getNullValue() {
        return new AtomicReference