/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.wildfly.extension.messaging.activemq;
import static org.jboss.as.controller.PathAddress.pathAddress;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.PathAddress;
import org.wildfly.extension.messaging.activemq.logging.MessagingLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
/**
* A service that can be dependent on to ensure the ActiveMQ server is active.
*
* ActiveMQ servers can be passive when they are configured as backup and wait for a live node to fail.
* In this passive state, the server does not accept connections or create resources.
*
* This service must be used by any service depending on an ActiveMQ server being active.
*
* @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2013 Red Hat inc.
*/
public class ActiveMQActivationService implements Service<Void> {
public static ServiceName getServiceName(ServiceName serverName) {
return serverName.append("activation");
}
public static boolean isActiveMQServerActive(OperationContext context, ModelNode operation) {
PathAddress address = pathAddress(operation.get(OP_ADDR));
return isActiveMQServerActive(context.getServiceRegistry(false), MessagingServices.getActiveMQServiceName(address));
}
public static boolean isActiveMQServerActive(ServiceRegistry serviceRegistry, ServiceName activeMQServerServiceName) {
ServiceController<?> service = serviceRegistry.getService(activeMQServerServiceName);
if (service != null) {
ActiveMQServer server = ActiveMQServer.class.cast(service.getValue());
if (server.isStarted() && server.isActive()) {
return true;
}
}
return false;
}
public static boolean rollbackOperationIfServerNotActive(OperationContext context, ModelNode operation) {
if (isActiveMQServerActive(context, operation)) {
return false;
}
context.getFailureDescription().set(MessagingLogger.ROOT_LOGGER.serverInBackupMode(pathAddress(operation.require(OP_ADDR))));
context.setRollbackOnly();
return true;
}
public static boolean ignoreOperationIfServerNotActive(OperationContext context, ModelNode operation) {
if (isActiveMQServerActive(context, operation)) {
return false;
}
// undefined result
context.getResult();
return true;
}
static ActiveMQServer getActiveMQServer(final OperationContext context, ModelNode operation) {
final ServiceName activMQServerServiceName = MessagingServices.getActiveMQServiceName(pathAddress(operation.get(OP_ADDR)));
final ServiceController<?> controller = context.getServiceRegistry(false).getService(activMQServerServiceName);
if(controller != null) {
return ActiveMQServer.class.cast(controller.getValue());
}
return null;
}
@Override
public void start(StartContext context) throws StartException {
}
@Override
public void stop(StopContext context) {
}
@Override
public Void getValue() throws IllegalStateException, IllegalArgumentException {
return null;
}
}