org.exolab.jmscts.core
Class CachingListener

java.lang.Object
  |
  +--org.exolab.jmscts.core.CountingListener
        |
        +--org.exolab.jmscts.core.CachingListener

All Implemented Interfaces:

javax.jms.MessageListener

public class CachingListener

extends CountingListener

Helper class for receiving messages asynchronously and caching them

Version:

$Revision: 1.4 $ $Date: 2004/01/31 13:44:24 $

Author:

Tim Anderson

Constructor Summary

CachingListener(int expected)
Construct an instance of the listener, with the number of messages expected to be received.

Method Summary

java.util.List	getMessages() Returns the list of received messages
void	onMessage(javax.jms.Message message) This method is asynchronously invoked by the message consumer when a message becomes available.

Methods inherited from class org.exolab.jmscts.core.CountingListener

getExpected, getReceived, waitForCompletion, waitForCompletion

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingListener

public CachingListener(int expected)

Construct an instance of the listener, with the number of messages expected to be received. When this count is reached, the listener notifies the waiting client (if any)

Parameters:

expected - the number of messages expected

Method Detail

onMessage

public void onMessage(javax.jms.Message message)

This method is asynchronously invoked by the message consumer when a message becomes available.

Overrides:

onMessage in class CountingListener

Parameters:

message - the received message

getMessages

public java.util.List getMessages()

Returns the list of received messages

Returns:

the list of received messages, or null, if no messages have been received