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