| OSCacheProvider.java |
1 /**
2 * Copyright (c) 2000-2008 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.spring.hibernate;
24
25 import com.liferay.portal.kernel.util.GetterUtil;
26 import com.liferay.portal.util.PropsUtil;
27 import com.liferay.util.dao.hibernate.CacheWrapper;
28
29 import com.opensymphony.oscache.base.CacheEntry;
30
31 import java.util.Properties;
32
33 import org.hibernate.cache.Cache;
34 import org.hibernate.cache.CacheException;
35 import org.hibernate.cache.CacheProvider;
36 import org.hibernate.cache.Timestamper;
37 import org.hibernate.util.StringHelper;
38
39 /**
40 * <a href="OSCacheProvider.java.html"><b><i>View Source</i></b></a>
41 *
42 * @author Mathias Bogaert
43 * @author Brian Wing Shun Chan
44 *
45 */
46 public class OSCacheProvider implements CacheProvider {
47
48 public static final String OSCACHE_REFRESH_PERIOD = "refresh.period";
49
50 public static final String OSCACHE_CRON = "cron";
51
52 public Cache buildCache(String region, Properties properties)
53 throws CacheException {
54
55 int refreshPeriod = GetterUtil.getInteger(
56 PropsUtil.get(StringHelper.qualify(region, OSCACHE_REFRESH_PERIOD)),
57 CacheEntry.INDEFINITE_EXPIRY);
58
59 String cron = PropsUtil.get(StringHelper.qualify(region, OSCACHE_CRON));
60
61 return new CacheWrapper(new OSCache(refreshPeriod, cron, region));
62 }
63
64 public boolean isMinimalPutsEnabledByDefault() {
65 return false;
66 }
67
68 public long nextTimestamp() {
69 return Timestamper.next();
70 }
71
72 public void start(Properties properties) throws CacheException {
73 }
74
75 public void stop() {
76 }
77
78 }