Class NullComponent

  extended by 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
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


public NullComponent()
Method Detail


public Object onCall(MuleEventContext context)
              throws Exception
Description copied from interface: Callable
Passes the event to the listener

Specified by:
onCall in interface Callable
context - the context of the current event being process
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.
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

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