| WebCachePoolImpl.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.webcache;
24
25 import com.liferay.portal.kernel.cache.PortalCache;
26 import com.liferay.portal.kernel.cache.SingleVMPool;
27 import com.liferay.portal.kernel.log.Log;
28 import com.liferay.portal.kernel.log.LogFactoryUtil;
29 import com.liferay.portal.kernel.util.Time;
30 import com.liferay.portal.kernel.webcache.WebCacheException;
31 import com.liferay.portal.kernel.webcache.WebCacheItem;
32 import com.liferay.portal.kernel.webcache.WebCachePool;
33
34 /**
35 * <a href="WebCachePoolImpl.java.html"><b><i>View Source</i></b></a>
36 *
37 * @author Brian Wing Shun Chan
38 *
39 */
40 public class WebCachePoolImpl implements WebCachePool {
41
42 public static final String CACHE_NAME = WebCachePool.class.getName();
43
44 public void afterPropertiesSet() {
45 _cache = _singleVMPool.getCache(CACHE_NAME);
46 }
47
48 public void clear() {
49 _cache.removeAll();
50 }
51
52 public Object get(String key, WebCacheItem wci) {
53 Object obj = _singleVMPool.get(_cache, key);
54
55 if (obj == null) {
56 try {
57 obj = wci.convert(key);
58
59 int timeToLive = (int)(wci.getRefreshTime() / Time.SECOND);
60
61 _cache.put(key, obj, timeToLive);
62 }
63 catch (WebCacheException wce) {
64 if (_log.isWarnEnabled()) {
65 Throwable cause = wce.getCause();
66
67 if (cause != null) {
68 _log.warn(cause, cause);
69 }
70 else {
71 _log.warn(wce, wce);
72 }
73 }
74 }
75 }
76
77 return obj;
78 }
79
80 public void remove(String key) {
81 _singleVMPool.remove(_cache, key);
82 }
83
84 public void setSingleVMPool(SingleVMPool singleVMPool) {
85 _singleVMPool = singleVMPool;
86 }
87
88 private static Log _log = LogFactoryUtil.getLog(WebCachePoolImpl.class);
89
90 private SingleVMPool _singleVMPool;
91 private PortalCache _cache;
92
93 }