/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, 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.test.jmx.listener;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.management.Notification;
import org.jboss.system.ListenerServiceMBeanSupport;
/**
* A test service that subscribes and stores JMX Notifications.
*
* The subscription are specified declaratively using the
* ListenerServiceMBean SubscriptionList attribute.
*
* @author <a href="mailto:dimitris@jboss.org">Dimitris Andreadis</a>
* @version $Revision: 81036 $
*/
public class NotificationListener extends ListenerServiceMBeanSupport
implements NotificationListenerMBean
{
// Private Data --------------------------------------------------
/** Stored notifications */
private List notifList;
// Constructors --------------------------------------------------
/**
* CTOR
**/
public NotificationListener()
{
notifList = Collections.synchronizedList(new ArrayList());
}
// NotificationListenerMBean implementation -----------------------
/**
* Number of notifications received.
*/
public int getNotificationCount()
{
return notifList.size();
}
/**
* @return a list of Notifications received
*/
public List retrieveNotifications()
{
return new ArrayList(notifList);
}
/**
* Clear the stored notifications, reset the counter
*/
public void clearNotifications()
{
notifList.clear();
}
// Lifecycle -----------------------------------------------------
protected void startService() throws Exception
{
clearNotifications();
super.subscribe(false);
}
protected void stopService()
{
super.unsubscribe();
clearNotifications();
}
// ListenerServiceMBeanSupport -----------------------------------
public void handleNotification2(Notification notification, Object handback)
{
notifList.add(notification);
log.debug("Received notification #" + notifList.size() + ": " + notification);
}
}