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| MQ pub sub question |
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| charanR |
 Posted: Fri Apr 13, 2018 2:07 pm Post subject: MQ pub sub question |
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Apprentice
Joined: 05 Oct 2017
Posts: 28
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Hello,
I did not work much on pub/sub until now but I'm trying to implement a solution that is similar to stock prices subscription. IBM docs refer this example all over so I'm sure this is possible but just not sure how to implement it.
Requirement:
I want the ability to publish a message to topic (in fact the application is actually sending a message to an ALIAS queue as an abstraction to topic) and let the subscribers get the message. Now, I have this configured already but with the destination set to a queue inside the subscription configuration. The downside of this is I have to create a new subscription every time a new application wants to get the message.
Is there a way to actually implement this without any administration and let any number of applications subscribe to the topic.
Is there a way for all the applications to get the message using MQGET instead of MQSUB using ALIAS ? I'm sure not possible but questioning here if I can here any new ideas. |
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| bruce2359 |
| Posted: Fri Apr 13, 2018 3:09 pm Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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If I understand your requirement...
If you have defined a topic with DEFINE TOPIC(topicname) and DEST(queuename), publications to the topic will end up in the named queue.
A consuming app need only MQOPEN the queue, and MQGET messages from the queue.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| mvic |
| Posted: Fri Apr 13, 2018 3:57 pm Post subject: Re: MQ pub sub question |
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Jedi
Joined: 09 Mar 2004
Posts: 2080
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| charanR wrote: |
| Is there a way for all the applications to get the message using MQGET instead of MQSUB using ALIAS ? I'm sure not possible but questioning here if I can here any new ideas. |
Start with the sample programs, which should show how MQSUB is used in practice.
Yes an application gets a message using MQGET, even in pub/usb. |
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| charanR |
| Posted: Fri Apr 13, 2018 5:46 pm Post subject: |
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Apprentice
Joined: 05 Oct 2017
Posts: 28
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| bruce2359 |
| Posted: Fri Apr 13, 2018 6:12 pm Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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Not sure what you mean. There are 51 pages in this document. Which pages are you referring to?
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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