/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.jms.client.remoting;
import org.jboss.jms.client.delegate.ClientClusteredConnectionFactoryDelegate;
import org.jboss.jms.wireformat.ConnectionFactoryUpdate;
import org.jboss.logging.Logger;
import org.jboss.remoting.ConnectionListener;
import org.jboss.remoting.Client;
import java.lang.ref.WeakReference;
/**
* This class will manage ConnectionFactory messages updates
* @author <a href="mailto:clebert.suconic@jboss.org">Clebert Suconic</a>
* @version <tt>$Revision: 3019 $</tt>
*
* $Id: ConnectionFactoryCallbackHandler.java 3019 2007-08-21 04:19:48Z clebert.suconic@jboss.com $
*/
public class ConnectionFactoryCallbackHandler
{
// Constants ------------------------------------------------------------------------------------
private static final Logger log = Logger.getLogger(ConnectionFactoryCallbackHandler.class);
// Attributes -----------------------------------------------------------------------------------
// Without a WeakReference here, the CF would never be released!
private WeakReference<ClientClusteredConnectionFactoryDelegate> delegateRef;
private JMSRemotingConnection remotingConnection;
// Static ---------------------------------------------------------------------------------------
private static boolean trace = log.isTraceEnabled();
// Constructors ---------------------------------------------------------------------------------
public ConnectionFactoryCallbackHandler(ClientClusteredConnectionFactoryDelegate cfDelegate,
JMSRemotingConnection remotingConnection)
{
this.delegateRef = new WeakReference<ClientClusteredConnectionFactoryDelegate>(cfDelegate);
this.remotingConnection = remotingConnection;
this.remotingConnection.addPlainConnectionListener(new CallbackConnectionListener());
}
// Public ---------------------------------------------------------------------------------------
public void handleMessage(Object message)
{
if (trace) { log.trace(this + " handling " + message); }
ConnectionFactoryUpdate viewChange = (ConnectionFactoryUpdate)message;
ClientClusteredConnectionFactoryDelegate delegate = delegateRef.get();
if (delegate!=null)
{
delegate.updateFailoverInfo(viewChange.getTopology().getDelegates(),
viewChange.getTopology().getFailoverMap());
}
}
public String toString()
{
return "ConnectionFactoryCallbackHandler[" + delegateRef.get() + "]";
}
// Package protected ----------------------------------------------------------------------------
// Protected ------------------------------------------------------------------------------------
// Private --------------------------------------------------------------------------------------
// Inner classes --------------------------------------------------------------------------------
class CallbackConnectionListener implements ConnectionListener
{
public void handleConnectionException(Throwable throwable, Client client)
{
ClientClusteredConnectionFactoryDelegate delegate = delegateRef.get();
if (delegate!=null)
{
delegate.establishCallback();
}
//remotingConnection.removePlainConnectionListener(this);
}
}
}