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 = _singleVMPool.getCache(_CACHE_NAME);
035 }
036
037 @Override
038 public void clear() {
039 _portalCache.removeAll();
040 }
041
042 @Override
043 public Object get(String key, WebCacheItem wci) {
044 Object obj = _portalCache.get(key);
045
046 if (obj != null) {
047 return obj;
048 }
049
050 try {
051 obj = wci.convert(key);
052
053 int timeToLive = (int)(wci.getRefreshTime() / Time.SECOND);
054
055 _portalCache.put(key, obj, timeToLive);
056 }
057 catch (WebCacheException wce) {
058 if (_log.isWarnEnabled()) {
059 Throwable cause = wce.getCause();
060
061 if (cause != null) {
062 _log.warn(cause, cause);
063 }
064 else {
065 _log.warn(wce, wce);
066 }
067 }
068 }
069
070 return obj;
071 }
072
073 @Override
074 public void remove(String key) {
075 _portalCache.remove(key);
076 }
077
078 public void setSingleVMPool(SingleVMPool singleVMPool) {
079 _singleVMPool = singleVMPool;
080 }
081
082 private static final String _CACHE_NAME = WebCachePool.class.getName();
083
084 private static Log _log = LogFactoryUtil.getLog(WebCachePoolImpl.class);
085
086 private PortalCache _portalCache;
087 private SingleVMPool _singleVMPool;
088
089 }