/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.clustering.infinispan.subsystem;
import javax.transaction.xa.XAResource;
import org.infinispan.Cache;
import org.infinispan.manager.CacheContainer;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.server.infinispan.SecurityActions;
import org.jboss.logging.Logger;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StopContext;
import org.jboss.tm.XAResourceRecovery;
import org.jboss.tm.XAResourceRecoveryRegistry;
/**
* @author Paul Ferraro
* @author Richard Achmatowicz (c) 2011 Red Hat Inc.
*/
public class CacheService<K, V> implements Service<Cache<K, V>> {
private final Dependencies dependencies;
private final String name;
private volatile Cache<K, V> cache;
private volatile XAResourceRecovery recovery;
private static final Logger log = Logger.getLogger(CacheService.class.getPackage().getName());
public static ServiceName getServiceName(String container, String cache) {
return EmbeddedCacheManagerService.getServiceName(container).append((cache != null) ? cache : CacheContainer.DEFAULT_CACHE_NAME);
}
public interface Dependencies {
EmbeddedCacheManager getCacheContainer();
XAResourceRecoveryRegistry getRecoveryRegistry();
}
public CacheService(String name, Dependencies dependencies) {
this.name = name;
this.dependencies = dependencies;
}
/**
* {@inheritDoc}
* @see org.jboss.msc.value.Value#getValue()
*/
@Override
public Cache<K, V> getValue() {
return this.cache;
}
@Override
public void start(StartContext context) {
EmbeddedCacheManager container = this.dependencies.getCacheContainer();
this.cache = SecurityActions.startCache(container, this.name);
XAResourceRecoveryRegistry recoveryRegistry = this.dependencies.getRecoveryRegistry();
if (recoveryRegistry != null) {
this.recovery = new InfinispanXAResourceRecovery(this.name, container);
recoveryRegistry.addXAResourceRecovery(this.recovery);
}
log.debugf("%s cache started", this.name);
}
@Override
public void stop(StopContext context) {
if ((this.cache != null) && this.cache.getStatus().allowInvocations()) {
if (this.recovery != null) {
this.dependencies.getRecoveryRegistry().removeXAResourceRecovery(this.recovery);
}
SecurityActions.stopCache(cache);
log.debugf("%s cache stopped", this.name);
}
}
static class InfinispanXAResourceRecovery implements XAResourceRecovery {
private final String cacheName;
private final EmbeddedCacheManager container;
InfinispanXAResourceRecovery(String cacheName, EmbeddedCacheManager container) {
this.cacheName = cacheName;
this.container = container;
}
@Override
public XAResource[] getXAResources() {
return new XAResource[] { this.container.getCache(this.cacheName).getAdvancedCache().getXAResource() };
}
@Override
public int hashCode() {
return this.container.getCacheManagerConfiguration().globalJmxStatistics().cacheManagerName().hashCode() ^ this.cacheName.hashCode();
}
@Override
public boolean equals(Object object) {
if ((object == null) || !(object instanceof InfinispanXAResourceRecovery)) return false;
InfinispanXAResourceRecovery recovery = (InfinispanXAResourceRecovery) object;
return this.container.getCacheManagerConfiguration().globalJmxStatistics().cacheManagerName().equals(recovery.container.getCacheManagerConfiguration().globalJmxStatistics().cacheManagerName()) && this.cacheName.equals(recovery.cacheName);
}
@Override
public String toString() {
return container.getCacheManagerConfiguration().globalJmxStatistics().cacheManagerName() + "." + this.cacheName;
}
}
}