org.hibernate.engine.transaction.internal.jta.JtaTransactionFactory Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2007-2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
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*/
package org.hibernate.engine.transaction.internal.jta;
import javax.transaction.SystemException;
import javax.transaction.UserTransaction;
import org.hibernate.ConnectionReleaseMode;
import org.hibernate.TransactionException;
import org.hibernate.engine.transaction.spi.TransactionCoordinator;
import org.hibernate.engine.transaction.spi.TransactionFactory;
import org.hibernate.service.jta.platform.spi.JtaPlatform;
/**
* Factory for {@link JtaTransaction} instances.
*
* @author Gavin King
* @author Steve Ebersole
* @author Les Hazlewood
*/
public class JtaTransactionFactory implements TransactionFactory {
@Override
public JtaTransaction createTransaction(TransactionCoordinator transactionCoordinator) {
return new JtaTransaction( transactionCoordinator );
}
@Override
public boolean canBeDriver() {
return true;
}
@Override
public ConnectionReleaseMode getDefaultReleaseMode() {
return ConnectionReleaseMode.AFTER_STATEMENT;
}
@Override
public boolean compatibleWithJtaSynchronization() {
return true;
}
@Override
public boolean isJoinableJtaTransaction(TransactionCoordinator transactionCoordinator, JtaTransaction transaction) {
try {
// Essentially:
// 1) If we have a local (Hibernate) transaction in progress
// and it already has the UserTransaction cached, use that
// UserTransaction to determine the status.
// 2) If a transaction manager has been located, use
// that transaction manager to determine the status.
// 3) Finally, as the last resort, try to lookup the
// UserTransaction via JNDI and use that to determine the
// status.
if ( transaction != null ) {
UserTransaction ut = transaction.getUserTransaction();
if ( ut != null ) {
return JtaStatusHelper.isActive( ut );
}
}
final JtaPlatform jtaPlatform = transactionCoordinator
.getTransactionContext()
.getTransactionEnvironment()
.getJtaPlatform();
if ( jtaPlatform == null ) {
throw new TransactionException( "Unable to check transaction status" );
}
if ( jtaPlatform.retrieveTransactionManager() != null ) {
return JtaStatusHelper.isActive( jtaPlatform.retrieveTransactionManager().getStatus() );
}
else {
final UserTransaction ut = jtaPlatform.retrieveUserTransaction();
return ut != null && JtaStatusHelper.isActive( ut );
}
}
catch ( SystemException se ) {
throw new TransactionException( "Unable to check transaction status", se );
}
}
}