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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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/**
 *  Copyright Terracotta, Inc.
 *
 *  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 net.sf.ehcache.store.compound;

import net.sf.ehcache.Element;

/**
 * A copy strategy that uses full Serialization to copy the object graph
 *
 * @author Alex Snaps
 * @author Ludovic Orban
 */
public class SerializationCopyStrategy implements ReadWriteCopyStrategy {

    private static final long serialVersionUID = -7932063007392582487L;
    
    private final ReadWriteSerializationCopyStrategy copyStrategy = new ReadWriteSerializationCopyStrategy();

    /**
     * Deep copies some object and returns an internal storage-ready copy
     *
     * @param value the value to copy
     * @return the storage-ready copy
     */
    public Element copyForWrite(Element value, ClassLoader loader) {
        return copyStrategy.copyForRead(copyStrategy.copyForWrite(value, loader), loader);
    }

    /**
     * Reconstruct an object from its storage-ready copy.
     *
     * @param storedValue the storage-ready copy
     * @return the original object
     */
    public Element copyForRead(Element storedValue, ClassLoader loader) {
        return copyStrategy.copyForRead(copyStrategy.copyForWrite(storedValue, loader), loader);
    }
}