org.jboss.ejb.plugins
Class ClusterSyncEntityInstanceCache

java.lang.Object
  org.jboss.ejb.plugins.AbstractInstanceCache
      org.jboss.ejb.plugins.EntityInstanceCache
          org.jboss.ejb.plugins.ClusterSyncEntityInstanceCache

All Implemented Interfaces:

org.jboss.ejb.AllowedOperationsFlags, org.jboss.ejb.ContainerPlugin, org.jboss.ejb.EntityCache, org.jboss.ejb.InstanceCache, org.jboss.ejb.plugins.AbstractInstanceCacheMBean, org.jboss.ejb.plugins.EntityInstanceCacheMBean, DistributedState.DSListenerEx, org.jboss.metadata.XmlLoadable, org.jboss.monitor.MetricsConstants, org.jboss.monitor.Monitorable, org.jboss.system.Service

public class ClusterSyncEntityInstanceCache
extends org.jboss.ejb.plugins.EntityInstanceCache
implements DistributedState.DSListenerEx

Cache subclass for entity beans shared accross a cluster with distributed cache corruption mechanism.

Version:

$Revision: 1.6.6.1 $

Author:

Sacha Labourey

Field Summary

protected DistributedState	ds
protected String	DS_CATEGORY

Fields inherited from class org.jboss.ejb.plugins.AbstractInstanceCache

log

Fields inherited from interface org.jboss.ejb.AllowedOperationsFlags

IN_AFTER_BEGIN, IN_AFTER_COMPLETION, IN_BEFORE_COMPLETION, IN_BUSINESS_METHOD, IN_EJB_ACTIVATE, IN_EJB_CREATE, IN_EJB_FIND, IN_EJB_HOME, IN_EJB_LOAD, IN_EJB_PASSIVATE, IN_EJB_POST_CREATE, IN_EJB_REMOVE, IN_EJB_STORE, IN_EJB_TIMEOUT, IN_INTERCEPTOR_METHOD, IN_SERVICE_ENDPOINT_METHOD, IN_SET_ENTITY_CONTEXT, IN_SET_MESSAGE_DRIVEN_CONTEXT, IN_SET_SESSION_CONTEXT, IN_UNSET_ENTITY_CONTEXT, NOT_ALLOWED

Fields inherited from interface org.jboss.monitor.MetricsConstants

ACTIVITY, APPLICATION, BEAN, BEANCACHE_METRICS, CHECKPOINT, INVOCATION_METRICS, MEMORY_MONITOR, METHOD, PRIMARY_KEY, SYSTEM_METRICS, THREAD_MONITOR, TIME, TYPE

Constructor Summary

ClusterSyncEntityInstanceCache()

Method Summary

void	cacheMiss(String key)
void	create()
void	keyHasBeenRemoved(String category, Serializable key, Serializable previousContent, boolean locallyModified) Called whenever a key has been removed from a category the called object had subscribed in.
void	start()
void	stop()
void	valueHasChanged(String category, Serializable key, Serializable value, boolean locallyModified) Called whenever a key has been added or modified in the category the called object has subscribed in.

Methods inherited from class org.jboss.ejb.plugins.EntityInstanceCache

acquireContext, activate, canPassivate, createCacheKey, destroy, freeContext, get, getContainer, getKey, passivate, remove, setContainer, setKey, unableToPassivateDueToCtxLock

Methods inherited from class org.jboss.ejb.plugins.AbstractInstanceCache

doActivate, flush, getCache, getCacheLock, getCachePolicyString, getCacheSize, getPassivatedCount, importXml, insert, isActive, logActivation, logPassivation, release, remove, resetStatistic, retrieveStatistic, sample, tryToPassivate, tryToPassivate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jboss.ejb.InstanceCache

flush, getCacheSize, insert, isActive, release, remove

Methods inherited from interface org.jboss.ejb.plugins.AbstractInstanceCacheMBean

flush, getCachePolicyString, getCacheSize, getPassivatedCount, remove

Field Detail

ds

protected DistributedState ds

DS_CATEGORY

protected String DS_CATEGORY

Constructor Detail

ClusterSyncEntityInstanceCache

public ClusterSyncEntityInstanceCache()

Method Detail

create

public void create()
            throws Exception

Specified by:

create in interface org.jboss.system.Service

Overrides:

create in class org.jboss.ejb.plugins.AbstractInstanceCache

Throws:

Exception

start

public void start()
           throws Exception

Specified by:

start in interface org.jboss.system.Service

Overrides:

start in class org.jboss.ejb.plugins.AbstractInstanceCache

Throws:

Exception

stop

public void stop()

Specified by:

stop in interface org.jboss.system.Service

Overrides:

stop in class org.jboss.ejb.plugins.AbstractInstanceCache

keyHasBeenRemoved

public void keyHasBeenRemoved(String category,
                              Serializable key,
                              Serializable previousContent,
                              boolean locallyModified)

Called whenever a key has been removed from a category the called object had subscribed in.

Specified by:

keyHasBeenRemoved in interface DistributedState.DSListenerEx

Parameters:

category - The category under which a key has been removed

key - The key that has been removed

previousContent - The previous content of the key that has been removed

valueHasChanged

public void valueHasChanged(String category,
                            Serializable key,
                            Serializable value,
                            boolean locallyModified)

Called whenever a key has been added or modified in the category the called object has subscribed in.

Specified by:

valueHasChanged in interface DistributedState.DSListenerEx

Parameters:

category - The category of the modified/added entry

key - The key that has been added or its value modified

value - The new value of the key

cacheMiss

public void cacheMiss(String key)