/*
* 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;
import org.jboss.as.model.AbstractSubsystemUpdate;
import org.jboss.as.model.UpdateContext;
import org.jboss.as.model.UpdateFailedException;
import org.jboss.as.model.UpdateResultHandler;
import org.jboss.msc.service.ServiceController;
/**
* Core queue remove update.
*
* @author Emanuel Muckenhuber
*/
public class QueueRemove extends AbstractMessagingSubsystemUpdate<Void> {
private static final long serialVersionUID = 5921273777496713096L;
private final String name;
public QueueRemove(final String name) {
if(name == null) {
throw new IllegalArgumentException("null name");
}
this.name = name;
}
/** {@inheritDoc} */
protected void applyUpdate(MessagingSubsystemElement element) throws UpdateFailedException {
if(! element.removeQueue(name)) {
throw new UpdateFailedException(String.format("queue (%s) does not exist", name));
}
}
/** {@inheritDoc} */
protected <P> void applyUpdate(UpdateContext context, UpdateResultHandler<? super Void, P> resultHandler, P param) {
final ServiceController<?> service = context.getServiceContainer().getService(MessagingSubsystemElement.CORE_QUEUE_BASE.append(name));
if(service == null) {
resultHandler.handleSuccess(null, param);
} else {
service.addListener(new UpdateResultHandler.ServiceRemoveListener<P>(resultHandler, param));
}
}
/** {@inheritDoc} */
public AbstractSubsystemUpdate<MessagingSubsystemElement, ?> getCompensatingUpdate(MessagingSubsystemElement original) {
final QueueElement queue = original.getQueue(name);
if(queue == null) {
return null;
}
final QueueAdd update = new QueueAdd(name);
update.setAddress(queue.getAddress());
update.setFilter(queue.getFilter());
update.setDurable(queue.isDurable());
return update;
}
}