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| How to obtain a list of subscribers for a particular topic |
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| JT |
 Posted: Thu Mar 27, 2003 1:52 pm Post subject: How to obtain a list of subscribers for a particular topic |
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Padawan
Joined: 27 Mar 2003
Posts: 1564
Location: Hartford, CT.
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| Is it possible to derive a list of users that are subscribing to a particular topic? So far, I have been browsing SYSTEM.JMS.PS.STATUS.QUEUE and pulling off the UserIdentifier from the message descriptor of each entry. Is there an easier way? Thanks ! |
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| mcatama |
| Posted: Fri Mar 28, 2003 1:46 am Post subject: |
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Novice
Joined: 10 Apr 2002
Posts: 17
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Have you looked at the 'Subscriptions' view in the WMQI control centre? You can query on a topic and get a list of all the subscribers that the broker knows about.
Alison |
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| JT |
| Posted: Mon Mar 31, 2003 6:41 am Post subject: |
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Padawan
Joined: 27 Mar 2003
Posts: 1564
Location: Hartford, CT.
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| Alison, I'm attempting to assemble this list dynamically within a message flow. As users subscribe and unsubscribe I'm looking to compile a list of users subscribing to a particular topic at any given time. Any thoughts. |
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| vmcgloin |
| Posted: Mon Mar 31, 2003 6:51 am Post subject: |
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Knight
Joined: 04 Apr 2002
Posts: 560
Location: Scotland
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Your monitoring app could also use pub/sub...
See the Administration Guide, Appendix A. Event reporting
| Quote: |
This chapter describes the event messages that are published by a message broker
in response to:
v Configuration changes
v State changes
v User actions (such as subscription registrations, and when retained publications
expire) |
Registration or deregistration of subscriptions causes events to be published using the following system topics:
$SYS/Broker/<broker_name>/Subscription/<topic>
The body of each publication is an XML message giving additional information concerning the registration or deregistration request.
These events are non-persistent, non-retained publications.
Is this what you are looking for?
Cheers,
Vicky |
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| JT |
| Posted: Mon Mar 31, 2003 10:41 am Post subject: |
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Padawan
Joined: 27 Mar 2003
Posts: 1564
Location: Hartford, CT.
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| Vicky, this should work nicely. Thank-you very much! |
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