/*
* 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.cluster.ejb2.ustxsticky;
import javax.transaction.Transaction;
import org.jboss.ejb.plugins.AbstractInterceptor;
import org.jboss.invocation.Invocation;
import org.jboss.invocation.MarshalledInvocation;
import org.jboss.logging.Logger;
import org.jboss.tm.TransactionPropagationContextImporter;
import org.jboss.tm.TransactionPropagationContextUtil;
/**
* StickinessVerifierInterceptor.
*
* @author <a href="mailto:galder.zamarreno@jboss.com">Galder Zamarreno</a>
*/
public class UserTransactionStickinessVerifierInterceptor extends AbstractInterceptor
{
private static final Logger log = Logger.getLogger(UserTransactionStickinessVerifierInterceptor.class);
@Override
public Object invoke(Invocation inv) throws Exception
{
MarshalledInvocation mi = (MarshalledInvocation)inv;
Object tpc = mi.getTransactionPropagationContext();
TransactionPropagationContextImporter tpcImporter = TransactionPropagationContextUtil.getTPCImporter();
Transaction tx = tpcImporter.importTransactionPropagationContext(tpc);
log.debug("Tpc " + tpc + " is associated with tx " + tx);
/* If a tpc is retrieved on the server side but matches no transaction
* there, then it means that invocation was not sticky. An invocation
* containing a tpc must, under transaction stikcy rules, hit the server
* where the tpc was generated from and where the transaction is running.
*/
if (tx == null && tpc != null)
{
throw new IllegalStateException("Tpc " + tpc + " does not match a transaction on this node, invocation not sticky!");
}
return getNext().invoke(inv);
}
}