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| Referring Promoted Property in esql |
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| GeneRK4 |
 Posted: Fri May 09, 2014 12:29 am Post subject: Referring Promoted Property in esql |
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Master
Joined: 08 Jul 2013
Posts: 220
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Hi,
I have a design where I have a Trigger Queue in a subflow.
This subflow is a reusable utility.This trigger queue name will change in each Application where this subflow is referred.
This Trigger queue is an MQInput node Queue name.In the previous compute node,in LocalEnvironment,we are setting this queue name for the Trigger queue.
If it were MQGet node,we can take it as UDP property and refer in LocalEnvironment.
But since it is MQInput node(for Trigger queue),I think only option is promote property.And if so,how can we refer the promoted property in the previous compute node esql?
Need suggestion please... |
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| Esa |
| Posted: Fri May 09, 2014 12:34 am Post subject: Re: Referring Promoted Property in esql |
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Grand Master
Joined: 22 May 2008
Posts: 1387
Location: Finland
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| Just read MQMD.SourceQueue from the input message. It doesn't have to be more complicated than that. |
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| Esa |
| Posted: Fri May 09, 2014 12:49 am Post subject: |
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Grand Master
Joined: 22 May 2008
Posts: 1387
Location: Finland
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I read again.
So you have a sublow file that contains a subflow and a separate 'trigger' msgflow and you would like to know what the name of the input queue of the trigger flow is in runtime?
| GeneRK4 wrote: |
| But since it is MQInput node(for Trigger queue),I think only option is promote property.And if so,how can we refer the promoted property in the previous compute node esql? |
An MQInput node cannot have a previous compute node.
So obviously the compute node is previous to an MQ Output node that is supposed to put a message in the trigger queue.
And you would like to resolve the queue name dynamically.
An alternative would perhaps be to promote both MQInput.queuename and MQOutput.queuename to one single promoted property? Then you wouldn't have to resolve anything dynamically. |
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| GeneRK4 |
| Posted: Sun May 11, 2014 9:13 pm Post subject: |
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Master
Joined: 08 Jul 2013
Posts: 220
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| Esa wrote: |
An alternative would perhaps be to promote both MQInput.queuename and MQOutput.queuename to one single promoted property? Then you wouldn't have to resolve anything dynamically. |
Great answer...! I will try this and let you know.. |
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