/*
* 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.aspects.remoting;
import org.jboss.ha.framework.server.HATarget;
import java.util.ArrayList;
import java.util.Map;
/**
* Checks to see if this object is local in VM
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 57186 $
*/
public class ReplicantsManagerInterceptor implements org.jboss.aop.advice.Interceptor, ClusterConstants
{
private final Map families;
public ReplicantsManagerInterceptor(Map families)
{
this.families = families;
}
public String getName()
{
return this.getClass().getName();
}
public Object invoke(org.jboss.aop.joinpoint.Invocation invocation) throws Throwable
{
Object response = invocation.invokeNext();
String clientFamily = (String) invocation.getMetaData(CLUSTERED_REMOTING, CLUSTER_FAMILY);
HATarget target = (HATarget) families.get(clientFamily);
if (target == null)
{
return response;
}
Long clientViewId = (Long) invocation.getMetaData(CLUSTERED_REMOTING, CLUSTER_VIEW_ID);
if (clientViewId == null)
{
// Maybe we're being invoked upon by a non-clustered proxy
return response;
}
if (clientViewId.longValue() != target.getCurrentViewId())
{
invocation.addResponseAttachment("replicants", new ArrayList(target.getReplicants()));
invocation.addResponseAttachment("viewId", new Long(target.getCurrentViewId()));
}
return response;
}
}
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