WebCachePool.java |
1 /** 2 * Copyright (c) 2000-2007 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.util; 24 25 import com.liferay.portal.kernel.cache.PortalCache; 26 import com.liferay.portal.kernel.cache.SingleVMPoolUtil; 27 import com.liferay.util.ConverterException; 28 import com.liferay.util.Time; 29 30 import org.apache.commons.logging.Log; 31 import org.apache.commons.logging.LogFactory; 32 33 /** 34 * <a href="WebCachePool.java.html"><b><i>View Source</i></b></a> 35 * 36 * @author Brian Wing Shun Chan 37 * 38 */ 39 public class WebCachePool { 40 41 public static final String CACHE_NAME = WebCachePool.class.getName(); 42 43 public static void clear() { 44 _cache.removeAll(); 45 } 46 47 public static Object get(String key, WebCacheable wc) { 48 Object obj = SingleVMPoolUtil.get(_cache, key); 49 50 if (obj == null) { 51 try { 52 obj = wc.convert(key); 53 54 int timeToLive = (int)(wc.getRefreshTime() / Time.SECOND); 55 56 _cache.put(key, obj, timeToLive); 57 } 58 catch (ConverterException ce) { 59 _log.error(ce.getMessage()); 60 } 61 } 62 63 return obj; 64 } 65 66 public static void remove(String key) { 67 SingleVMPoolUtil.remove(_cache, key); 68 } 69 70 private static Log _log = LogFactory.getLog(WebCachePool.class); 71 72 private static PortalCache _cache = SingleVMPoolUtil.getCache(CACHE_NAME); 73 74 }