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| shared queue z/OS Message Broker |
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| MQIBM |
 Posted: Thu Aug 04, 2011 8:29 pm Post subject: shared queue z/OS Message Broker |
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Newbie
Joined: 04 Aug 2011
Posts: 9
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Greetings,
I am looking for pattern or existing framework/sample code for Message Broker that use shared queue z/OS.
I think the way Message Broker code should be different because shared queue. Example, need to identify which queue it belong to (cant possible hard code at MQInput).
I need Mentor MQ and Message Broker here to give advice/sharing. Mr Google can't help much, sob  |
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| bruce2359 |
| Posted: Thu Aug 04, 2011 9:29 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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WMQ for z/OS shared-queues provide high-availability that is transparent to applications. Whether a queue is local or shared, application code doesn't change in any way.
Refer to the WMQ for z/OS Concepts and Planning manual.
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I like deadlines. I like to wave as they pass by.
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Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| MQIBM |
| Posted: Thu Aug 04, 2011 9:38 pm Post subject: |
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Newbie
Joined: 04 Aug 2011
Posts: 9
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Maybe I give example.
Citibank has 1 shared queue name "QueueForAll". In this "QueueForAll", Finance , Marketing, Corporate MQ application use it.
As WMB, how do they know which message belong to Finance/Marketing/Corporate as 3 MQ application is using "QueueForAll" queue.
I need real example/pattern or experience how WMB handle shared queue.
Thank you. |
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| mqjeff |
| Posted: Fri Aug 05, 2011 3:51 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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You appear to be using two entirely separate notions for the phrase "shared queue".
On zOS, a "shared queue" is a queue that exists on more than one queue manager, but has a single message store - such that all messages are available to be gotten from any one of the queue managers in the queue sharing group.
You are also using "shared queue" to mean "more than one application puts data of different formats intended for different destination applications onto the same queue".
Message Broker will have no idea that a given queue that it is reading using an MQInput node is a zOS shared queue - it will get whatever messages it can as if there were no other instances of the shared queue anywhere else.
Message Broker can be programmed to understand the contents of a given MQ message, and parse it, and then use business logic to determine which destination application or processing needs to receive the contents of that message.
But nobody can give you anything more than a simple example of how to do that - without you paying them to solve the problem or train you - and the *samples* that come with message broker Toolkit already give you a simple example.
I doubt your employer wanted you to name them here. |
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| bruce2359 |
| Posted: Fri Aug 05, 2011 6:49 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| MQIBM wrote: |
Maybe I give example.
Citibank has 1 shared queue name "QueueForAll". In this "QueueForAll", Finance , Marketing, Corporate MQ application use it.
As WMB, how do they know which message belong to Finance/Marketing/Corporate as 3 MQ application is using "QueueForAll" queue.
I need real example/pattern or experience how WMB handle shared queue.
Thank you. |
This is one of those best-practice thingies.
Usually, separate queues are used for separate application types. Usually, payroll time cards are NOT found in a queue with inventory updates.
An application (WMB or other) can only know the source of a message by the message content (MQMD and application data). The MQMD will usually identify the name of the application program that created the message. Usually, time card messages contain data that is different from inventory message data.
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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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| fjb_saper |
| Posted: Fri Aug 05, 2011 8:07 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Look at the routing patterns 
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