/*
* 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.messaging.jms;
import static org.jboss.as.messaging.logging.MessagingLogger.MESSAGING_LOGGER;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.RejectedExecutionException;
import javax.jms.Topic;
import org.hornetq.jms.client.HornetQTopic;
import org.hornetq.jms.server.JMSServerManager;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.messaging.HornetQActivationService;
import org.jboss.as.messaging.logging.MessagingLogger;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
/**
* Service responsible for creating and destroying a {@code javax.jms.Topic}.
*
* @author Emanuel Muckenhuber
*/
public class JMSTopicService implements Service<Topic> {
private final InjectedValue<JMSServerManager> jmsServer = new InjectedValue<JMSServerManager>();
private final InjectedValue<ExecutorService> executorInjector = new InjectedValue<ExecutorService>();
private final String name;
private final String[] jndi;
private Topic topic;
public JMSTopicService(String name, String[] jndi) {
this.name = name;
this.jndi = jndi;
}
@Override
public synchronized void start(final StartContext context) throws StartException {
final JMSServerManager jmsManager = jmsServer.getValue();
final Runnable task = new Runnable() {
@Override
public void run() {
try {
jmsManager.createTopic(false, name, jndi);
topic = new HornetQTopic(name);
context.complete();
} catch (Throwable e) {
context.failed(MessagingLogger.ROOT_LOGGER.failedToCreate(e, "queue"));
}
}
};
try {
executorInjector.getValue().execute(task);
} catch (RejectedExecutionException e) {
task.run();
} finally {
context.asynchronous();
}
}
@Override
public synchronized void stop(final StopContext context) {
final JMSServerManager jmsManager = jmsServer.getValue();
final Runnable task = new Runnable() {
@Override
public void run() {
try {
jmsManager.removeTopicFromJNDI(name);
topic = null;
} catch (Throwable e) {
MESSAGING_LOGGER.failedToDestroy(e, "jms topic", name);
}
context.complete();
}
};
// JMS Server Manager uses locking which waits on service completion, use async to prevent starvation
try {
executorInjector.getValue().execute(task);
} catch (RejectedExecutionException e) {
task.run();
} finally {
context.asynchronous();
}
}
@Override
public Topic getValue() throws IllegalStateException {
return topic;
}
public static JMSTopicService installService(final ServiceVerificationHandler verificationHandler, final List<ServiceController<?>> newControllers, final String name, final ServiceName hqServiceName, final ServiceTarget serviceTarget, final String[] jndiBindings) {
final JMSTopicService service = new JMSTopicService(name, jndiBindings);
final ServiceName serviceName = JMSServices.getJmsTopicBaseServiceName(hqServiceName).append(name);
final ServiceBuilder<Topic> serviceBuilder = serviceTarget.addService(serviceName, service)
.addDependency(HornetQActivationService.getHornetQActivationServiceName(hqServiceName))
.addDependency(JMSServices.getJmsManagerBaseServiceName(hqServiceName), JMSServerManager.class, service.jmsServer)
.setInitialMode(ServiceController.Mode.PASSIVE);
org.jboss.as.server.Services.addServerExecutorDependency(serviceBuilder, service.executorInjector, false);
if(verificationHandler != null) {
serviceBuilder.addListener(verificationHandler);
}
final ServiceController<Topic> controller = serviceBuilder.install();
if(newControllers != null) {
newControllers.add(controller);
}
return service;
}
}