StatefulHASessionInstanceCache (JBoss Cluster API) - JBoss 4.0.1 sp1 cluster API Documentation 英文版文档

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org.jboss.ejb.plugins
Class StatefulHASessionInstanceCache

java.lang.Object
  org.jboss.ejb.plugins.AbstractInstanceCache
      org.jboss.ejb.plugins.StatefulSessionInstanceCache
          org.jboss.ejb.plugins.StatefulHASessionInstanceCache

All Implemented Interfaces:: org.jboss.ejb.plugins.AbstractInstanceCacheMBean, org.jboss.ejb.AllowedOperationsFlags, org.jboss.ejb.ContainerPlugin, org.jboss.ejb.InstanceCache, org.jboss.monitor.MetricsConstants, org.jboss.monitor.Monitorable, org.jboss.system.Service, org.jboss.metadata.XmlLoadable

public class StatefulHASessionInstanceCache
extends org.jboss.ejb.plugins.StatefulSessionInstanceCache

SFSB cache for clustered environment. Mainly avoid "excessive" locking that can generate cluster-distributed deadlocks.

Version:

$Revision: 1.5 $

Revisions:

19 decembre 2002 Sacha Labourey:

First implementation

Author:

Sacha Labourey.

See Also:

StatefulSessionInstanceCache

Field Summary

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

StatefulHASessionInstanceCache()


Method Summary

org.jboss.ejb.EnterpriseContext get(Object id)


void invalidateLocally(Object id)
          Remove an object from the local cache *without* any locking (synchronized, etc.) to avoid huge cluster-wide deadlock situations We have to unschedule passivation as well as the bean may be used on another node.

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

acquireContext, activate, canPassivate, destroy, doActivate, freeContext, getContainer, getKey, getPassivatedCount, passivate, postRemovalCleanup, preRemovalPreparation, removePassivated, setContainer, setKey

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

create, flush, getCache, getCacheLock, getCachePolicyString, getCacheSize, importXml, insert, isActive, logActivation, logPassivation, release, remove, resetStatistic, retrieveStatistic, sample, start, stop, tryToPassivate

Methods inherited from class java.lang.Object

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

Constructor Detail