/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. 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.jbpm.pvm.internal.tx;
import org.jbpm.api.JbpmException;
import org.jbpm.internal.log.Log;
import org.jbpm.pvm.internal.cmd.Command;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.svc.Interceptor;
/** calls setRollbackOnly on the transaction in the environment
* in case an exception occurs during execution of the command.
*
* @author Tom Baeyens
*/
public class StandardTransactionInterceptor extends Interceptor {
private static final Log log = Log.getLog(StandardTransactionInterceptor.class.getName());
public <T> T execute(Command<T> command) {
Environment environment = Environment.getCurrent();
if (environment==null) {
throw new JbpmException("no environment for managing hibernate transaction");
}
StandardTransaction standardTransaction = environment.get(StandardTransaction.class);
if (standardTransaction==null) {
throw new JbpmException("no standard-transaction in environment");
}
standardTransaction.begin();
try {
return next.execute(command);
} catch (RuntimeException e) {
standardTransaction.setRollbackOnly();
throw e;
} finally {
standardTransaction.complete();
}
}
}