| BaseCacheKeyGenerator.java |
1 /**
2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License as published by the Free
6 * Software Foundation; either version 2.1 of the License, or (at your option)
7 * any later version.
8 *
9 * This library is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 * details.
13 */
14
15 package com.liferay.portal.cache.key;
16
17 import com.liferay.portal.kernel.cache.key.CacheKeyGenerator;
18 import com.liferay.portal.kernel.util.StringBundler;
19
20 /**
21 * <a href="BaseCacheKeyGenerator.java.html"><b><i>View Source</i></b></a>
22 *
23 * @author Shuyang Zhou
24 */
25 public abstract class BaseCacheKeyGenerator implements CacheKeyGenerator {
26
27 public CacheKeyGenerator append(String key) {
28 keyBundler.append(key);
29
30 return this;
31 }
32
33 public CacheKeyGenerator append(String[] keys) {
34 keyBundler.append(keys);
35
36 return this;
37 }
38
39 public CacheKeyGenerator append(StringBundler sb) {
40 keyBundler.append(sb);
41
42 return this;
43 }
44
45 public abstract CacheKeyGenerator clone();
46
47 public String finish() {
48 String cacheKey = getCacheKey(keyBundler);
49
50 keyBundler.setIndex(0);
51
52 return cacheKey;
53 }
54
55 protected StringBundler keyBundler = new StringBundler();
56
57 }