/*
* $Id: ProcessComponent.java 20893 2011-01-05 13:03:44Z tcarlson $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
*
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.module.bpm;
import org.mule.api.MuleEvent;
import org.mule.api.lifecycle.Disposable;
import org.mule.api.lifecycle.Initialisable;
import org.mule.api.lifecycle.InitialisationException;
import org.mule.component.AbstractComponent;
import org.mule.config.i18n.MessageFactory;
/**
* A service backed by the execution of a business process such as jBPM.
*/
public class ProcessComponent extends AbstractComponent
{
// Created internally
protected Process process;
/** The underlying BPMS */
protected BPMS bpms;
/** The logical name of the process. This is used to look up the running process instance from the BPMS. */
private String name;
/** The resource containing the process definition. This will be used to deploy the process to the BPMS. */
private String resource;
/** This field will be used to correlate messages with processes. */
private String processIdField;
@Override
protected void doInitialise() throws InitialisationException
{
if (bpms == null)
{
try
{
bpms = muleContext.getRegistry().lookupObject(BPMS.class);
}
catch (Exception e)
{
throw new InitialisationException(e, this);
}
}
if (bpms == null)
{
throw new InitialisationException(MessageFactory.createStaticMessage("The bpms property must be set for this component."), this);
}
if (bpms instanceof Initialisable)
{
((Initialisable) bpms).initialise();
}
process = new Process(bpms, name, resource, flowConstruct, muleContext);
process.initialise();
// Inject a callback so that the BPMS may generate messages within Mule.
bpms.setMessageService(process);
}
@Override
protected void doDispose()
{
if (bpms instanceof Disposable)
{
((Disposable) bpms).dispose();
}
process.dispose();
process = null;
}
@Override
protected Object doInvoke(MuleEvent event) throws Exception
{
return process.handleEvent(event);
}
protected Process getProcess()
{
return process;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public void setResource(String resource)
{
this.resource = resource;
}
public String getResource()
{
return resource;
}
public String getProcessIdField()
{
return processIdField;
}
public void setProcessIdField(String processIdField)
{
this.processIdField = processIdField;
}
public BPMS getBpms()
{
return bpms;
}
public void setBpms(BPMS bpms)
{
this.bpms = bpms;
}
}