| WebCachePoolImpl.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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 public class WebCachePoolImpl implements WebCachePool {
40
41 public static final String CACHE_NAME = WebCachePool.class.getName();
42
43 public void afterPropertiesSet() {
44 _cache = _singleVMPool.getCache(CACHE_NAME);
45 }
46
47 public void clear() {
48 _cache.removeAll();
49 }
50
51 public Object get(String key, WebCacheItem wci) {
52 Object obj = _singleVMPool.get(_cache, key);
53
54 if (obj == null) {
55 try {
56 obj = wci.convert(key);
57
58 int timeToLive = (int)(wci.getRefreshTime() / Time.SECOND);
59
60 _cache.put(key, obj, timeToLive);
61 }
62 catch (WebCacheException wce) {
63 if (_log.isWarnEnabled()) {
64 Throwable cause = wce.getCause();
65
66 if (cause != null) {
67 _log.warn(cause, cause);
68 }
69 else {
70 _log.warn(wce, wce);
71 }
72 }
73 }
74 }
75
76 return obj;
77 }
78
79 public void remove(String key) {
80 _singleVMPool.remove(_cache, key);
81 }
82
83 public void setSingleVMPool(SingleVMPool singleVMPool) {
84 _singleVMPool = singleVMPool;
85 }
86
87 private static Log _log = LogFactoryUtil.getLog(WebCachePoolImpl.class);
88
89 private SingleVMPool _singleVMPool;
90 private PortalCache _cache;
91
92 }