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 package net.sf.ehcache.writer.writebehind;
17
18 import net.sf.ehcache.writer.writebehind.operations.KeyBasedOperation;
19
20 /***
21 * A converter that simply casts an existing {@code KeyBasedOperation} instance.
22 *
23 * @author Geert Bevin
24 * @version $Id: CastingOperationConverter.html 13146 2011-08-01 17:12:39Z oletizi $
25 */
26 public final class CastingOperationConverter implements OperationConverter<KeyBasedOperation> {
27
28 private static final CastingOperationConverter INSTANCE = new CastingOperationConverter();
29
30 private CastingOperationConverter() {
31
32 }
33
34 /***
35 * Singleton retriever static method
36 */
37 public static CastingOperationConverter getInstance() {
38 return INSTANCE;
39 }
40
41 /***
42 * {@inheritDoc}
43 */
44 public KeyBasedOperation convert(Object source) {
45 return (KeyBasedOperation) source;
46 }
47 }