/*
* 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.model;
import javax.transaction.Status;
import javax.transaction.Synchronization;
import org.jbpm.api.JbpmException;
import org.jbpm.api.cmd.Command;
import org.jbpm.api.cmd.Environment;
import org.jbpm.pvm.internal.cmd.CommandService;
import org.jbpm.pvm.internal.session.DbSession;
import org.jbpm.pvm.internal.tx.Transaction;
public class ExceptionHandlerSynchronization implements Synchronization, Command<Object> {
private final ExceptionHandlerImpl exceptionHandler;
private static final long serialVersionUID = 1L;
protected ExecutionImpl execution;
protected Exception exception;
protected CommandService commandService;
public ExceptionHandlerSynchronization(ExceptionHandlerImpl exceptionHandler, ExecutionImpl execution, Exception exception, CommandService commandService) {
this.exceptionHandler = exceptionHandler;
this.execution = execution;
this.exception = exception;
this.commandService = commandService;
}
public void afterCompletion(int status) {
if (status!=Status.STATUS_ROLLEDBACK) {
ExceptionHandlerImpl.log.info("WARNING: no rollback after transactional exception handler. did you forget to rollback the transaction ?");
}
commandService.execute(this);
}
public Object execute(Environment environment) {
// reload the execution
DbSession dbSession = environment.get(DbSession.class);
if (dbSession==null) {
throw new JbpmException("no "+DbSession.class.getName()+" available in the environment for reloading the execution");
}
execution = dbSession.get(ExecutionImpl.class, execution.getId());
exceptionHandler.executeHandler(execution, exception);
return null;
}
public void beforeCompletion() {
}
public void register(Transaction transaction) {
// registration of the synchronization is delegated to the AfterTxCompletionListener
// to avoid a dependency on class Synchronization in class ExceptionHandlerImpl
transaction.registerSynchronization(this);
}
}