/*
* 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.management.mejb;
import javax.management.JMException;
import javax.management.Notification;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.ObjectName;
import java.rmi.RemoteException;
import java.util.Iterator;
import java.util.List;
/**
* Local Polling Listener to receive the message and send to the listener
*
* @author Andreas Schaefer
* @version $Revision: 89145 $
*/
public class PollingClientNotificationListener
extends ClientNotificationListener
implements Runnable
{
private MEJB mConnector;
private int mSleepingPeriod = 2000;
public PollingClientNotificationListener(ObjectName pSender,
NotificationListener pClientListener,
Object pHandback,
NotificationFilter pFilter,
int pSleepingPeriod,
int pMaximumListSize,
MEJB pConnector) throws
JMException,
RemoteException
{
super(pSender, pClientListener, pHandback);
if (pSleepingPeriod > 0)
{
mSleepingPeriod = pSleepingPeriod;
}
mConnector = pConnector;
// Register the listener as MBean on the remote JMX server
createListener(pConnector,
"org.jboss.management.mejb.PollingNotificationListener",
new Object[]{new Integer(pMaximumListSize), new Integer(pMaximumListSize)},
new String[]{Integer.TYPE.getName(), Integer.TYPE.getName()});
addNotificationListener(pConnector, pFilter);
new Thread(this).start();
}
public void run()
{
boolean intr = false;
try
{
while (true)
{
try
{
try
{
List lNotifications = (List) mConnector.invoke(getRemoteListenerName(),
"getNotifications",
new Object[]{},
new String[]{});
Iterator i = lNotifications.iterator();
while (i.hasNext())
{
Notification lNotification = (Notification) i.next();
mClientListener.handleNotification(lNotification,
mHandback);
}
}
catch (Exception e)
{
log.error("PollingClientNotificationListener.getNotifications() failed", e);
}
Thread.sleep(mSleepingPeriod);
}
catch (InterruptedException e)
{
intr = true;
}
}
}
finally
{
if (intr) Thread.currentThread().interrupt();
}
}
}