org.springframework.batch.item.jms
Class JmsMethodArgumentsKeyGenerator

java.lang.Object
  org.springframework.batch.item.jms.JmsMethodArgumentsKeyGenerator

All Implemented Interfaces:

MethodArgumentsKeyGenerator

public class JmsMethodArgumentsKeyGenerator
extends Object
implements MethodArgumentsKeyGenerator

A MethodArgumentsKeyGenerator for JMS

Author:

Dave Syer

Constructor Summary

JmsMethodArgumentsKeyGenerator()

Method Summary

Object

getKey(Object[] items) If the message is a Message then returns the JMS message ID.

Methods inherited from class java.lang.Object

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

Constructor Detail

JmsMethodArgumentsKeyGenerator

public JmsMethodArgumentsKeyGenerator()

Method Detail

getKey

public Object getKey(Object[] items)

If the message is a Message then returns the JMS message ID. Otherwise just return the first argument.

Specified by:

getKey in interface MethodArgumentsKeyGenerator

Parameters:

items - the current item.

Returns:

a unique identifier.

Throws:

UnexpectedInputException - if the JMS id cannot be determined from a JMS Message

IllegalArgumentException - if the arguments are empty

See Also:

MethodArgumentsKeyGenerator.getKey(Object[])