org.apache.activemq.advisory

Class ProducerEventSource

java.lang.Object

org.apache.activemq.advisory.ProducerEventSource

All Implemented Interfaces:

javax.jms.MessageListener, Service

public class ProducerEventSource
extends Object
implements Service, javax.jms.MessageListener

An object which can be used to listen to the number of active consumers available on a given destination.

Constructor Summary

Constructors

Constructor and Description
ProducerEventSource(javax.jms.Connection connection, javax.jms.Destination destination)

Method Summary

Modifier and Type	Method and Description
protected int	extractProducerCountFromMessage(javax.jms.Message message, int count)
protected void	fireProducerEvent(ProducerEvent event)
void	onMessage(javax.jms.Message message)
void	setProducerListener(ProducerListener listener)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Detail

ProducerEventSource

public ProducerEventSource(javax.jms.Connection connection,
                           javax.jms.Destination destination)
                    throws javax.jms.JMSException

Throws:

javax.jms.JMSException

Method Detail

setProducerListener

public void setProducerListener(ProducerListener listener)

start

public void start()
           throws Exception

Specified by:

start in interface Service

Throws:

Exception

stop

public void stop()
          throws Exception

Specified by:

stop in interface Service

Throws:

Exception

onMessage

public void onMessage(javax.jms.Message message)

Specified by:

onMessage in interface javax.jms.MessageListener

extractProducerCountFromMessage

protected int extractProducerCountFromMessage(javax.jms.Message message,
                                              int count)

fireProducerEvent

protected void fireProducerEvent(ProducerEvent event)