/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, 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.ejb3.remoting;
import org.jboss.aop.Dispatcher;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.logging.Logger;
import org.jboss.ejb3.Container;
import org.jboss.ejb3.EJBContainer;
import org.jboss.ejb3.Ejb3Registry;
/**
* Routes the call to the local container, bypassing further client-side
* interceptors and any remoting layer, if a container with the same OID
* and partition name is available.
*
* @author Brian Stansberry
*
* @version $Revision: 60233 $
*/
public class ClusteredIsLocalInterceptor extends IsLocalInterceptor
{
private static final long serialVersionUID = 5765933584762500725L;
private static final Logger log = Logger.getLogger(ClusteredIsLocalInterceptor.class);
public static final String PARTITION_NAME = "PARTITION_NAME";
public Object invoke(Invocation invocation) throws Throwable
{
Container localContainer = findLocalContainer(invocation);
if (localContainer != null)
{
return invokeLocal(invocation, localContainer);
}
return invocation.invokeNext();
}
private Container findLocalContainer(Invocation invocation)
{
String guid = (String)invocation.getMetaData(IS_LOCAL, GUID);
String partitionName = (String) invocation.getMetaData(PARTITION_NAME, PARTITION_NAME);
Container container = null;
try
{
container = Ejb3Registry.findContainer(guid);
if (container == null)
{
String oid = (String)invocation.getMetaData(Dispatcher.DISPATCHER, Dispatcher.OID);
container = Ejb3Registry.getClusterContainer(Ejb3Registry.clusterUid(oid, partitionName));
}
}
catch (IllegalStateException ignored)
{
if (log.isTraceEnabled())
log.trace("Cannot find local container for " + guid);
}
if (container != null)
{
if (partitionName != null)
{
if (!partitionName.equals(((EJBContainer) container).getPartitionName()))
{
if (log.isTraceEnabled())
{
log.trace("Partition (" + ((EJBContainer) container).getPartitionName() +
") for local container " + guid + " does not match invocation (" +
partitionName + ")");
}
container = null;
}
else if (log.isTraceEnabled())
{
log.trace("Partition (" + ((EJBContainer) container).getPartitionName() +
") for local container " + guid + " matches invocation (" +
partitionName + ")");
}
}
else
{
log.warn("No PARTITION_NAME metadata associated with invocation");
container = null;
}
}
return container;
}
}