/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* 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.infinispan.transaction.synchronization;
import org.infinispan.CacheException;
import org.infinispan.commands.CommandsFactory;
import org.infinispan.config.Configuration;
import org.infinispan.interceptors.locking.ClusteringDependentLogic;
import org.infinispan.remoting.rpc.RpcManager;
import org.infinispan.transaction.AbstractEnlistmentAdapter;
import org.infinispan.transaction.LocalTransaction;
import org.infinispan.transaction.TransactionCoordinator;
import org.infinispan.transaction.TransactionTable;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import javax.transaction.Status;
import javax.transaction.Synchronization;
import javax.transaction.xa.XAException;
/**
* {@link Synchronization} implementation for integrating with the TM.
* See <a href="https://issues.jboss.org/browse/ISPN-888">ISPN-888</a> for more information on this.
*
* @author Mircea.Markus@jboss.com
* @since 5.0
*/
public class SynchronizationAdapter extends AbstractEnlistmentAdapter implements Synchronization {
private static final Log log = LogFactory.getLog(SynchronizationAdapter.class);
private final LocalTransaction localTransaction;
private final TransactionCoordinator txCoordinator;
public SynchronizationAdapter(LocalTransaction localTransaction, TransactionCoordinator txCoordinator,
CommandsFactory commandsFactory, RpcManager rpcManager,
TransactionTable transactionTable, ClusteringDependentLogic clusteringLogic,
Configuration configuration) {
super(localTransaction, commandsFactory, rpcManager, transactionTable, clusteringLogic, configuration);
this.localTransaction = localTransaction;
this.txCoordinator = txCoordinator;
}
@Override
public void beforeCompletion() {
log.tracef("beforeCompletion called for %s", localTransaction);
try {
txCoordinator.prepare(localTransaction);
} catch (XAException e) {
throw new CacheException("Could not prepare. ", e);//todo shall we just swallow this exception?
}
}
@Override
public void afterCompletion(int status) {
if (log.isTraceEnabled()) {
log.tracef("afterCompletion(%s) called for %s.", status, localTransaction);
}
if (status == Status.STATUS_COMMITTED) {
try {
txCoordinator.commit(localTransaction, false);
} catch (XAException e) {
throw new CacheException("Could not commit.", e);
}
} else if (status == Status.STATUS_ROLLEDBACK) {
try {
txCoordinator.rollback(localTransaction);
} catch (XAException e) {
throw new CacheException("Could not commit.", e);
}
} else {
throw new IllegalArgumentException("Unknown status: " + status);
}
releaseLocksForCompletedTransaction(localTransaction);
}
@Override
public String toString() {
return "SynchronizationAdapter{" +
"localTransaction=" + localTransaction +
"} " + super.toString();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
SynchronizationAdapter that = (SynchronizationAdapter) o;
if (localTransaction != null ? !localTransaction.equals(that.localTransaction) : that.localTransaction != null)
return false;
return true;
}
}