Hi Umut Dogan! I'm experiencing the same issue you described in this post, and I can't solve it. Did you find out which was the problem? Or anyone knows how..
Thanks in advance! Ramiro Umut Dogan wrote: > > Hi, > > > > I created a class as mentioned > http://jakarta.apache.org/jcs/ElementEventHandling.html page: > > > > package com.mytest; > > > > import java.util.EventObject; > > > > import org.apache.jcs.engine.CacheElement; > > import org.apache.jcs.engine.control.event.behavior.IElementEvent; > > import > org.apache.jcs.engine.control.event.behavior.IElementEventConstants; > > import org.apache.jcs.engine.control.event.behavior.IElementEventHandler; > > import org.apache.log4j.Logger; > > > > public class CacheEventHandler implements IElementEventHandler { > > > > public static final Logger _logger = > Logger.getLogger(CacheEventHandler.class); > > > > private static final String sessionCacheRegionName = "session"; > > > > /** > > * Listens to cache events and accordingly logs out sessions or > clears > folders. > > */ > > public void handleElementEvent(IElementEvent event) > > { > > > > if (_logger.isDebugEnabled()) > > { > > _logger.debug("Handle cache element event: " + > event.getElementEvent()); > > } > > switch(event.getElementEvent()) > > { > > case > IElementEventConstants.ELEMENT_EVENT_EXCEEDED_IDLETIME_BACKGROUND: > > case > IElementEventConstants.ELEMENT_EVENT_EXCEEDED_IDLETIME_ONREQUEST: > > case > IElementEventConstants.ELEMENT_EVENT_EXCEEDED_MAXLIFE_ONREQUEST: > > case > IElementEventConstants.ELEMENT_EVENT_EXCEEDED_MAXLIFE_BACKGROUND: > > CacheElement element = > (CacheElement)((EventObject)event).getSource(); > > if (sessionCacheRegionName.equals(element.getCacheName())) > > { > > // private codes > > } > > break; > > } > > > > } > > > > } > > > > Then tried to call this class from my CacheManager class. I tried both > approaches you mentioned in the above document like these lines: > > > > private static final String sessionCacheRegionName = "session"; > > private static JCS sessionCache = null; > > > > // initialize session cache > > if(sessionCache == null) > > { > > try > > { > > sessionCache = JCS.getInstance(sessionCacheRegionName); > > > > // this should add the event handler to all items as > > // they are created. > > IElementAttributes attributes = > sessionCache.getDefaultElementAttributes(); > > attributes.addElementEventHandler(new CacheEventHandler()); > > sessionCache.setDefaultElementAttributes(attributes); > > } > > catch (CacheException e) > > { > > _logger.error( "Problem initializing cache for region name > [" > > + sessionCacheRegionName + "].", e ); > > } > > > > } > > > > Or in the putSession method: > > > > public void putSession(String userId, String session) > > { > > try > > { > > CacheEventHandler ceh = new CacheEventHandler(); > > IElementAttributes attributes = > sessionCache.getDefaultElementAttributes(); > > attributes.addElementEventHandler(ceh); > > sessionCache.put(userId, session, attributes); > > } > > catch (CacheException e) > > { > > _logger.error( "Problem initializing cache for region name [" > > + sessionCacheRegionName + "].", e ); > > } > > } > > > > Cache.ccf file is like this: > > > > # DEFAULT CACHE REGION > > jcs.default=DC > > jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes > > jcs.default.cacheattributes.MaxObjects=1000 > > jcs.default.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru > .LRUMemoryCache > > jcs.default.cacheattributes.UseMemoryShrinker=false > > jcs.default.cacheattributes.MaxMemoryIdleTimeSeconds=3600 > > jcs.default.cacheattributes.ShrinkerIntervalSeconds=60 > > jcs.default.elementattributes=org.apache.jcs.engine.ElementAttributes > > jcs.default.elementattributes.IsEternal=false > > jcs.default.elementattributes.MaxLifeSeconds=60 > > jcs.default.elementattributes.IdleTime=1800 > > jcs.default.elementattributes.IsSpool=true > > jcs.default.elementattributes.IsRemote=true > > jcs.default.elementattributes.IsLateral=true > > > > # PRE-DEFINED CACHE REGIONS - sessionCache > > jcs.region.sessionCache=DC > > jcs.region.sessionCache.cacheattributes= > org.apache.jcs.engine.CompositeCacheAttributes > > jcs.region.sessionCache.cacheattributes.MaxObjects=1000 > > jcs.region.sessionCache.cacheattributes.MemoryCacheName= > org.apache.jcs.engine.memory.lru.LRUMemoryCache > > jcs.region.sessionCache.cacheattributes.UseMemoryShrinker=true > > jcs.region.sessionCache.cacheattributes.MaxMemoryIdleTimeSeconds=3600 > > jcs.region.sessionCache.cacheattributes.ShrinkerIntervalSeconds=20 > > jcs.region.sessionCache.cacheattributes.MaxSpoolPerRun=500 > > jcs.region.sessionCache.cacheattributes.MaxLifeSeconds=3600 > > jcs.region.sessionCache.elementattributes=org.apache.jcs.engine.ElementAttri > butes > > jcs.region.sessionCache.elementattributes.IsEternal=false > > > > # AVAILABLE AUXILIARY CACHES > > jcs.auxiliary.DC=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheFacto > ry > > jcs.auxiliary.DC.attributes=org.apache.jcs.auxiliary.disk.indexed.IndexedDis > kCacheAttributes > > jcs.auxiliary.DC.attributes.DiskPath=${user.dir}/jcs_swap > > jcs.auxiliary.DC.attributes.MaxPurgatorySize=10000000 > > jcs.auxiliary.DC.attributes.MaxKeySize=1000000 > > jcs.auxiliary.DC.attributes.MaxRecycleBinSize=5000 > > jcs.auxiliary.DC.attributes.OptimizeAtRemoveCount=300000 > > jcs.auxiliary.DC.attributes.ShutdownSpoolTimeLimit=60 > > > > > > But it newer enters to the CacheEventHandler class' handleElementEvent > method when I debug, and it nevers calls the eventhandler to make the > things > which I want. > > > > Is this a bug, or am I doing something wrong? > > > > Thanks, > > Umut > > > -- View this message in context: http://old.nabble.com/JCS-Element-Event-Handling-Problem-tp21954783p30078417.html Sent from the JCS - Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: jcs-users-unsubscr...@jakarta.apache.org For additional commands, e-mail: jcs-users-h...@jakarta.apache.org
