001
014
015 package com.liferay.portal.webcache;
016
017 import com.liferay.portal.kernel.cache.PortalCache;
018 import com.liferay.portal.kernel.cache.SingleVMPool;
019 import com.liferay.portal.kernel.log.Log;
020 import com.liferay.portal.kernel.log.LogFactoryUtil;
021 import com.liferay.portal.kernel.security.pacl.DoPrivileged;
022 import com.liferay.portal.kernel.util.Time;
023 import com.liferay.portal.kernel.webcache.WebCacheException;
024 import com.liferay.portal.kernel.webcache.WebCacheItem;
025 import com.liferay.portal.kernel.webcache.WebCachePool;
026
027
030 @DoPrivileged
031 public class WebCachePoolImpl implements WebCachePool {
032
033 public void afterPropertiesSet() {
034 _portalCache = (PortalCache<String, Object>)_singleVMPool.getCache(
035 _CACHE_NAME);
036 }
037
038 public void clear() {
039 _portalCache.removeAll();
040 }
041
042 public Object get(String key, WebCacheItem wci) {
043 Object obj = _portalCache.get(key);
044
045 if (obj == null) {
046 try {
047 obj = wci.convert(key);
048
049 int timeToLive = (int)(wci.getRefreshTime() / Time.SECOND);
050
051 _portalCache.put(key, obj, timeToLive);
052 }
053 catch (WebCacheException wce) {
054 if (_log.isWarnEnabled()) {
055 Throwable cause = wce.getCause();
056
057 if (cause != null) {
058 _log.warn(cause, cause);
059 }
060 else {
061 _log.warn(wce, wce);
062 }
063 }
064 }
065 }
066
067 return obj;
068 }
069
070 public void remove(String key) {
071 _portalCache.remove(key);
072 }
073
074 public void setSingleVMPool(SingleVMPool singleVMPool) {
075 _singleVMPool = singleVMPool;
076 }
077
078 private static final String _CACHE_NAME = WebCachePool.class.getName();
079
080 private static Log _log = LogFactoryUtil.getLog(WebCachePoolImpl.class);
081
082 private PortalCache<String, Object> _portalCache;
083 private SingleVMPool _singleVMPool;
084
085 }