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 }