org.mule.lifecycle.MuleContextLifecycleManager Maven / Gradle / Ivy
/*
* $Id: MuleContextLifecycleManager.java 20321 2010-11-24 15:21:24Z dfeist $
* --------------------------------------------------------------------------------------
* 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.lifecycle;
import org.mule.api.MuleContext;
import org.mule.api.MuleException;
import org.mule.api.context.MuleContextAware;
import org.mule.api.lifecycle.Disposable;
import org.mule.api.lifecycle.Initialisable;
import org.mule.api.lifecycle.LifecycleCallback;
import org.mule.api.lifecycle.LifecycleException;
import org.mule.api.lifecycle.Startable;
import org.mule.api.lifecycle.Stoppable;
import org.mule.lifecycle.phases.NotInLifecyclePhase;
/**
* This is a specialized class that extends {@link RegistryLifecycleManager} and will
* invoke lifecycle on the registry instance for the MuleContext. This class must only be used by the MuleContext.
*/
public class MuleContextLifecycleManager extends AbstractLifecycleManager implements MuleContextAware
{
private MuleContext muleContext;
private MuleContextLifecycleCallback callback = new MuleContextLifecycleCallback();
public MuleContextLifecycleManager()
{
//We cannot pass in a MuleContext on creation since the context is not actually created when this object is needed
super("MuleContext", null);
}
@Override
protected void registerTransitions()
{
//init dispose
addDirectTransition(NotInLifecyclePhase.PHASE_NAME, Initialisable.PHASE_NAME);
addDirectTransition(NotInLifecyclePhase.PHASE_NAME, Disposable.PHASE_NAME);
addDirectTransition(Initialisable.PHASE_NAME, Startable.PHASE_NAME);
addDirectTransition(Initialisable.PHASE_NAME, Disposable.PHASE_NAME);
//start stop
addDirectTransition(Startable.PHASE_NAME, Stoppable.PHASE_NAME);
addDirectTransition(Stoppable.PHASE_NAME, Startable.PHASE_NAME);
addDirectTransition(Stoppable.PHASE_NAME, Disposable.PHASE_NAME);
}
public void setMuleContext(MuleContext context)
{
this.muleContext = context;
this.object = muleContext;
}
public void fireLifecycle(String destinationPhase) throws LifecycleException
{
checkPhase(destinationPhase);
invokePhase(destinationPhase, object, callback);
}
protected void invokePhase(String phase, Object object, LifecycleCallback callback) throws LifecycleException
{
try
{
setExecutingPhase(phase);
callback.onTransition(phase, object);
setCurrentPhase(phase);
}
catch (LifecycleException e)
{
throw e;
}
catch (MuleException e)
{
throw new LifecycleException(e, this);
}
finally
{
setExecutingPhase(null);
}
}
class MuleContextLifecycleCallback implements LifecycleCallback
{
public void onTransition(String phaseName, MuleContext muleContext) throws MuleException
{
muleContext.getRegistry().fireLifecycle(phaseName);
}
}
}