org.mule.components.simple
Class NullComponent

java.lang.Object
  extended byorg.mule.components.simple.NullComponent
All Implemented Interfaces:
Callable

public class NullComponent
extends java.lang.Object
implements Callable

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

Version:
$Revision: 1.1.1.1 $
Author:
Ross Mason

Constructor Summary
NullComponent()
           
 
Method Summary
 java.lang.Object onCall(UMOEventContext 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 java.lang.Object onCall(UMOEventContext context)
                        throws java.lang.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 UMOLifecycleAdapter for the component receives this object it will first see if the Object is an UMOMessage 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 UMO.
  2. the setStopFurtherProcessing(true) wasn't called on the event context event.
Throws:
java.lang.Exception - if the event fails to process properly. If exceptions aren't handled by the implementation they will be handled by the exceptionStrategy associated with the component


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