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MQSeries.net Forum Index » IBM MQ Java / JMS » How to create Publish/Subscribe commands using Java

How to create Publish/Subscribe commands using Java

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sirish

Posted: Thu Jan 11, 2007 10:19 pm Post subject: How to create Publish/Subscribe commands using Java

Newbie

Joined: 11 Jan 2007
Posts: 4

Hi,

How do i create publish/subscribe commands in Java? My requirement is as follows

-- I need to send a register publisher command to the broker control queue

-- Next i need to send the publish command to a topic X to the broker stream

-- I have already registered the subscriber for this topic X using the Web sphere MQ v6.0.1 explorer

-- I am aware of the JMS approach but currently i need to accomplish the same without JMS. I only want to use the Websphere MQ for base Java package (com.ibm.mq.jar)

-- Also I need to generate the commands in MQRFH format since they should work with Websphere Publish/subscribe

Any inputs/resources to help me in this????

Thanks and regards
Sirish

fjb_saper

Posted: Thu Jan 11, 2007 11:17 pm Post subject: Re: How to create Publish/Subscribe commands using Java

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY

sirish wrote:

-- I am aware of the JMS approach but currently i need to accomplish the same without JMS. I only want to use the Websphere MQ for base Java package (com.ibm.mq.jar)

-- Also I need to generate the commands in MQRFH format since they should work with Websphere Publish/subscribe

Why make your life complicated? It seems that the person imposing the constraints has little knowledge of the process. It will be up to you to educate them. Using JMS you will have a far easier time to deal with pub/sub than using any other method. Why do you think that IBM created the XMS toolset (hint JMS for non java set)? You should have all the jars needed for pub/sub and JMS (yes even stand alone without a server) in the <MQInstall>/java/lib directory...

Have fun.

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sirish

Posted: Fri Jan 12, 2007 12:53 am Post subject:

Newbie

Joined: 11 Jan 2007
Posts: 4

I agree. It would be much simpler to do the same in JMS. However the requirement is to have some kind of triggering of the Java application (which is easy using the base MQ) when a publisher sends a publication. There should not a subscriber that is continuously polling for the topic. Would this be possible in JMS? If so any inputs?

jefflowrey

Posted: Fri Jan 12, 2007 3:01 am Post subject:

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

What are you ACTUALLY trying to do?

There's no way to monitor for a publication without being a subscriber.

There's tons of reference in the WebSphere MQ Using Pub/Sub manual on how to write code to create a publisher.
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