1
22
23 package com.liferay.portal.webcache;
24
25 import com.liferay.portal.kernel.bean.InitializingBean;
26 import com.liferay.portal.kernel.cache.PortalCache;
27 import com.liferay.portal.kernel.cache.SingleVMPool;
28 import com.liferay.portal.kernel.util.Time;
29 import com.liferay.portal.kernel.webcache.WebCacheException;
30 import com.liferay.portal.kernel.webcache.WebCacheItem;
31 import com.liferay.portal.kernel.webcache.WebCachePool;
32
33 import org.apache.commons.logging.Log;
34 import org.apache.commons.logging.LogFactory;
35
36
42 public class WebCachePoolImpl implements InitializingBean, WebCachePool {
43
44 public static final String CACHE_NAME = WebCachePool.class.getName();
45
46 public void afterPropertiesSet() {
47 _cache = _singleVMPool.getCache(CACHE_NAME);
48 }
49
50 public void clear() {
51 _cache.removeAll();
52 }
53
54 public Object get(String key, WebCacheItem wci) {
55 Object obj = _singleVMPool.get(_cache, key);
56
57 if (obj == null) {
58 try {
59 obj = wci.convert(key);
60
61 int timeToLive = (int)(wci.getRefreshTime() / Time.SECOND);
62
63 _cache.put(key, obj, timeToLive);
64 }
65 catch (WebCacheException wce) {
66 Throwable cause = wce.getCause();
67
68 if (cause != null) {
69 _log.error(cause, cause);
70 }
71 else {
72 _log.error(wce, wce);
73 }
74 }
75 }
76
77 return obj;
78 }
79
80 public void remove(String key) {
81 _singleVMPool.remove(_cache, key);
82 }
83
84 public void setSingleVMPool(SingleVMPool singleVMPool) {
85 _singleVMPool = singleVMPool;
86 }
87
88 private static Log _log = LogFactory.getLog(WebCachePoolImpl.class);
89
90 private SingleVMPool _singleVMPool;
91 private PortalCache _cache;
92
93 }