01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portal.spring.hibernate;
22:
23: import com.liferay.portal.kernel.util.GetterUtil;
24: import com.liferay.portal.util.PropsUtil;
25: import com.liferay.util.dao.hibernate.CacheWrapper;
26:
27: import com.opensymphony.oscache.base.CacheEntry;
28:
29: import java.util.Properties;
30:
31: import org.hibernate.cache.Cache;
32: import org.hibernate.cache.CacheException;
33: import org.hibernate.cache.CacheProvider;
34: import org.hibernate.cache.Timestamper;
35: import org.hibernate.util.StringHelper;
36:
37: /**
38: * <a href="OSCacheProvider.java.html"><b><i>View Source</i></b></a>
39: *
40: * @author Mathias Bogaert
41: * @author Brian Wing Shun Chan
42: *
43: */
44: public class OSCacheProvider implements CacheProvider {
45:
46: public static final String OSCACHE_REFRESH_PERIOD = "refresh.period";
47:
48: public static final String OSCACHE_CRON = "cron";
49:
50: public Cache buildCache(String region, Properties properties)
51: throws CacheException {
52:
53: int refreshPeriod = GetterUtil.getInteger(PropsUtil
54: .get(StringHelper.qualify(region,
55: OSCACHE_REFRESH_PERIOD)),
56: CacheEntry.INDEFINITE_EXPIRY);
57:
58: String cron = PropsUtil.get(StringHelper.qualify(region,
59: OSCACHE_CRON));
60:
61: return new CacheWrapper(
62: new OSCache(refreshPeriod, cron, region));
63: }
64:
65: public boolean isMinimalPutsEnabledByDefault() {
66: return false;
67: }
68:
69: public long nextTimestamp() {
70: return Timestamper.next();
71: }
72:
73: public void start(Properties properties) throws CacheException {
74: }
75:
76: public void stop() {
77: }
78:
79: }
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