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* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.connector.services.workmanager;
import org.jboss.as.clustering.jgroups.ChannelFactory;
import org.jboss.as.connector.util.ConnectorServices;
import org.jboss.jca.core.api.workmanager.DistributedWorkManager;
import org.jboss.jca.core.tx.jbossts.XATerminatorImpl;
import org.jboss.jca.core.workmanager.WorkManagerCoordinator;
import org.jboss.jca.core.workmanager.transport.remote.jgroups.JGroupsTransport;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.threads.BlockingExecutor;
import org.jboss.tm.JBossXATerminator;
import org.jgroups.JChannel;
import java.util.concurrent.Executor;
import static org.jboss.as.connector.logging.ConnectorLogger.ROOT_LOGGER;
/**
* A WorkManager Service.
*
* @author <a href="mailto:stefano.maestri@redhat.com">Stefano Maestri</a>
* @author <a href="mailto:jesper.pedersen@jboss.org">Jesper Pedersen</a>
*/
public final class DistributedWorkManagerService implements Service<DistributedWorkManager> {
private final DistributedWorkManager value;
private final InjectedValue<Executor> executorShort = new InjectedValue<Executor>();
private final InjectedValue<Executor> executorLong = new InjectedValue<Executor>();
private final InjectedValue<JBossXATerminator> xaTerminator = new InjectedValue<JBossXATerminator>();
private final InjectedValue<ChannelFactory> jGroupsChannelFactory = new InjectedValue<ChannelFactory>();
private final String jgroupsChannelName;
private final Long requestTimeout;
/**
* create an instance
*
* @param value the work manager
*/
public DistributedWorkManagerService(DistributedWorkManager value, final String jgroupsChannelName, final Long requestTimeout) {
super();
ROOT_LOGGER.debugf("Building WorkManager");
this.value = value;
this.jgroupsChannelName = jgroupsChannelName;
this.requestTimeout = requestTimeout;
}
@Override
public DistributedWorkManager getValue() throws IllegalStateException {
return ConnectorServices.notNull(value);
}
@Override
public void start(StartContext context) throws StartException {
ROOT_LOGGER.debugf("Starting JCA DistributedWorkManager: ", value.getName());
JGroupsTransport transport = new JGroupsTransport();
try {
transport.setChannel((JChannel) jGroupsChannelFactory.getValue().createChannel(jgroupsChannelName));
if (jgroupsChannelName != null)
transport.setClusterName(jgroupsChannelName);
if (requestTimeout != null)
transport.setTimeout(requestTimeout);
this.value.setTransport(transport);
} catch (Exception e) {
ROOT_LOGGER.trace("failed to start JGroups channel", e);
throw ROOT_LOGGER.failedToStartJGroupsChannel(jgroupsChannelName, this.value.getName());
}
BlockingExecutor longRunning = (BlockingExecutor) executorLong.getOptionalValue();
if (longRunning != null) {
this.value.setLongRunningThreadPool(longRunning);
this.value.setShortRunningThreadPool((BlockingExecutor) executorShort.getValue());
} else {
this.value.setLongRunningThreadPool((BlockingExecutor) executorShort.getValue());
this.value.setShortRunningThreadPool((BlockingExecutor) executorShort.getValue());
}
this.value.setXATerminator(new XATerminatorImpl(xaTerminator.getValue()));
WorkManagerCoordinator.getInstance().registerWorkManager(value);
try {
transport.startup();
} catch (Throwable throwable) {
ROOT_LOGGER.trace("failed to start DWM transport:", throwable);
throw ROOT_LOGGER.failedToStartDWMTransport(this.value.getName());
}
ROOT_LOGGER.debugf("Started JCA DistributedWorkManager: ", value.getName());
}
@Override
public void stop(StopContext context) {
ROOT_LOGGER.debugf("Stopping JCA DistributedWorkManager: ", value.getName());
value.prepareShutdown();
try {
value.getTransport().shutdown();
} catch (Throwable throwable) {
ROOT_LOGGER.trace("failed to stop DWM transport:", throwable);
}
value.shutdown();
WorkManagerCoordinator.getInstance().unregisterWorkManager(value);
ROOT_LOGGER.debugf("Stopped JCA DistributedWorkManager: ", value.getName());
}
public Injector<Executor> getExecutorShortInjector() {
return executorShort;
}
public Injector<Executor> getExecutorLongInjector() {
return executorLong;
}
public Injector<JBossXATerminator> getXaTerminatorInjector() {
return xaTerminator;
}
public Injector<ChannelFactory> getJGroupsChannelFactoryInjector() {
return jGroupsChannelFactory;
}
}