| OSCacheProvider.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.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 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(
54 PropsUtil.get(StringHelper.qualify(region, OSCACHE_REFRESH_PERIOD)),
55 CacheEntry.INDEFINITE_EXPIRY);
56
57 String cron = PropsUtil.get(StringHelper.qualify(region, OSCACHE_CRON));
58
59 return new CacheWrapper(new OSCache(refreshPeriod, cron, region));
60 }
61
62 public boolean isMinimalPutsEnabledByDefault() {
63 return false;
64 }
65
66 public long nextTimestamp() {
67 return Timestamper.next();
68 }
69
70 public void start(Properties properties) throws CacheException {
71 }
72
73 public void stop() {
74 }
75
76 }