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| diego_maradona21 |
 Posted: Tue Aug 19, 2008 3:02 am Post subject: share variable across different message flows |
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Novice
Joined: 24 Jul 2008
Posts: 17
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hi
i have to share variable across 2 different message flows - is it possible?
I found that i have to use EXTERNAL variables and ATOMIC statement
http://www.mqseries.net/phpBB2/viewtopic.php?t=44168
but i read that external variable cannot be set from esql.
Any suggestions? |
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| sridhsri |
| Posted: Tue Aug 19, 2008 5:01 am Post subject: |
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Master
Joined: 19 Jun 2008
Posts: 297
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| You want to look at a support pack called Cache Nodes - I forget the support pack number. |
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| diego_maradona21 |
| Posted: Tue Aug 19, 2008 5:22 am Post subject: |
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Novice
Joined: 24 Jul 2008
Posts: 17
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thanks for reply but i cannot add any support packs  so you mean that it is impossible without support pack? |
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| mqjeff |
| Posted: Tue Aug 19, 2008 5:52 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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You can't share ESQL variables between different message flows.
You can only share them between either a) different instances of the same message flow, b) different instances of a node within a single message flow. And in all cases, you can't share this between ExecutionGroups.
If you can't use the Cache supportPac (IA91), then you can use a database or a message on a queue, or a large number of other ways - all requiring a lot more work and effort on your part. |
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| LazyBoy |
| Posted: Tue Aug 19, 2008 10:05 am Post subject: |
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Voyager
Joined: 04 May 2006
Posts: 78
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Please correct me If I am wrong,
If you declare a shared variable at schema level and if two flows are in the same schema , the variable is shared between the two flows.
Isn't this true? |
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| mqjeff |
| Posted: Tue Aug 19, 2008 10:55 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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| LazyBoy wrote: |
Please correct me If I am wrong,
If you declare a shared variable at schema level and if two flows are in the same schema , the variable is shared between the two flows.
Isn't this true? |
What happens when you try it?
What documentation do you have that shows this to be true? |
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| LazyBoy |
| Posted: Tue Aug 19, 2008 11:28 am Post subject: |
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Voyager
Joined: 04 May 2006
Posts: 78
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Hi mqjeff,
I had tried this ,
I had two message flows in same schema. I had declared and initialized a shared variable in one of the flow and I could see those variables in another flow with initialized values. But since I was not changing the values of those variables in the flow , I was not sure about this.
This made me put forth the question. |
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