1 /***
2 * Copyright 2003-2010 Terracotta, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package net.sf.ehcache.store.compound;
18
19 import java.io.Serializable;
20
21 /***
22 * @param <T> type
23 * @since 2.4.0
24 * @author Ludovic Orban
25 */
26 public interface ReadWriteCopyStrategy<T> extends Serializable {
27
28 /***
29 * Deep copies some object and returns an internal storage-ready copy
30 *
31 * @param value the value to copy
32 * @return the storage-ready copy
33 */
34 T copyForWrite(final T value);
35
36 /***
37 * Reconstruct an object from its storage-ready copy.
38 *
39 * @param storedValue the storage-ready copy
40 * @return the original object
41 */
42 T copyForRead(final T storedValue);
43 }