/*
* 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.jobexecutor;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.jbpm.client.Command;
import org.jbpm.client.CommandService;
import org.jbpm.env.Environment;
import org.jbpm.env.session.Job;
import org.jbpm.util.Listener;
/**
* @author Tom Baeyens
*/
public class JobExceptionHandler implements Listener, Command {
CommandService commandService;
long jobDbid;
Throwable exception;
public JobExceptionHandler(long jobDbid, Throwable exception, CommandService commandService) {
this.commandService = commandService;
this.jobDbid = jobDbid;
this.exception = exception;
}
public void event(Object source, String eventName, Object info) {
commandService.execute(this);
}
public Object execute(Environment environment) throws Exception {
// load the job from the db
Job job = environment.get(JobSession.class).get(jobDbid);
// serialize the stack trace
StringWriter sw = new StringWriter();
exception.printStackTrace(new PrintWriter(sw));
job.setException(sw.toString());
// decrement the number of retries
job.setRetries(job.getRetries()-1);
return null;
}
}