Package org.jboss.soa.esb.server.jbpmAsync

Source Code of org.jboss.soa.esb.server.jbpmAsync.JbpmServer

/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and others contributors as indicated
* by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
* 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, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA  02110-1301, USA.
*
* (C) 2005-2006, JBoss Inc.
*/
package org.jboss.soa.esb.server.jbpmAsync;

import java.io.InputStream;

import org.jboss.soa.esb.util.ClassUtil;
import org.jbpm.JbpmConfiguration;
import org.jbpm.JbpmContext;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ProcessInstance;

/**
* MBean to manage jBPM Asynchronous callback tests.
*
* @author <a href='mailto:kevin.conner@jboss.com'>Kevin Conner</a>
*/
public class JbpmServer implements JbpmServerMBean
{
    private static final String PROCESS_DEFINITION = "/jbpmAsyncTest.xml" ;
   
    private boolean suspendProcess ;
   
    private long processInstanceId ;
   
    public synchronized void startProcess()
    {
        final JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance() ;
        final JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext() ;
       
        // Create process definition
        final InputStream is = ClassUtil.getResourceAsStream(PROCESS_DEFINITION, getClass()) ;
        final ProcessDefinition processDefinition = ProcessDefinition.parseXmlInputStream(is) ;
        jbpmContext.deployProcessDefinition(processDefinition) ;
       
        // Create process instance
        final ProcessInstance processInstance = jbpmContext.newProcessInstance(processDefinition.getName()) ;
        processInstanceId = processInstance.getId() ;
       
        // Start process instance
        processInstance.signal() ;
       
        jbpmContext.close() ;
    }
   
    public synchronized void suspendProcessInstance()
    {
        if (suspendProcess)
        {
            final JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance() ;
            final JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext() ;
           
            final ProcessInstance processInstance = jbpmContext.loadProcessInstance(processInstanceId) ;
            processInstance.suspend() ;
           
            jbpmContext.close() ;
        }
    }
   
    public synchronized void resumeProcessInstance()
    {
        if (suspendProcess)
        {
            final JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance() ;
            final JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext() ;
           
            final ProcessInstance processInstance = jbpmContext.loadProcessInstance(processInstanceId) ;
            processInstance.resume() ;
           
            jbpmContext.close() ;
        }
    }
   
    public synchronized void setSuspendProcess(final boolean suspendProcess)
    {
        this.suspendProcess = suspendProcess ;
    }
   
    public boolean checkWaitingAction(final long delay)
    {
        return JbpmAsyncActionHandler.notifyAction(delay) ;
    }
}
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