org.mule.component.simple
Class NullComponent

java.lang.Object
  org.mule.component.simple.NullComponent

All Implemented Interfaces:

Callable, EventListener

public class NullComponent
extends Object
implements Callable

NullComponent is a service that is used as a placeholder. This implementation will throw an exception if a message is received for it.

Constructor Summary

NullComponent()

Method Summary

Object

onCall(MuleEventContext context) Passes the event to the listener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullComponent

public NullComponent()

Method Detail

onCall

public Object onCall(MuleEventContext context)
              throws Exception

Description copied from interface: Callable

Passes the event to the listener

Specified by:

onCall in interface Callable

Parameters:

context - the context of the current event being process

Returns:

Object this object can be anything. When the LifecycleAdapter for the service receives this object it will first see if the Object is an MuleMessage if not and the Object is not null a new message will be created using the returned object as the payload. This new event will then get published via the configured outbound router if-

1. One has been configured for the component.
2. the setStopFurtherProcessing(true) wasn't called on the event context event.

Throws:

Exception - if the event fails to process properly. If exceptions aren't handled by the implementation they will be handled by the exceptionListener associated with the service