/*
* 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.msg.db;
import java.util.Collection;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jbpm.JbpmConfiguration;
import org.jbpm.JbpmContext;
import org.jbpm.JbpmException;
import org.jbpm.db.JobSession;
import org.jbpm.graph.exe.Token;
import org.jbpm.job.Job;
import org.jbpm.job.executor.JobExecutor;
import org.jbpm.msg.MessageService;
public class DbMessageService implements MessageService {
private static final long serialVersionUID = 1L;
JbpmConfiguration jbpmConfiguration;
JobSession jobSession = null;
Collection destinations = null;
boolean hasProducedJobs = false;
public DbMessageService() {
JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
if (jbpmContext==null) {
throw new JbpmException("instantiation of the DbMessageService requires a current JbpmContext");
}
this.jbpmConfiguration = jbpmContext.getJbpmConfiguration();
this.jobSession = jbpmContext.getJobSession();
}
public void send(Job job) {
jobSession.saveJob(job);
log.debug("saved job["+job.getId()+", "+job.getClass().getName()+"]");
hasProducedJobs = true;
}
public void close() {
JobExecutor jobExecutor = jbpmConfiguration.getJobExecutor();
if ( (hasProducedJobs)
&& (jobExecutor!=null)
) {
log.debug("messages were produced the jobExecutor will be signalled");
synchronized(jobExecutor) {
jobExecutor.notify();
}
}
}
private static Log log = LogFactory.getLog(DbMessageService.class);
}