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| Start or stop a msgflow by esql code |
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| somsayan |
 Posted: Thu Aug 13, 2009 2:13 am Post subject: Start or stop a msgflow by esql code |
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Apprentice
Joined: 06 Apr 2007
Posts: 49
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I got the uuid of all the msgflow deployed in a particular execution grp from BROKERRESOURCES table. Can i create a control message & send it to system queue to start or stop a particular msgflow. When we issue mqsistartmsgflow, there must be some message put to the system queue.
If same can be generated from the code & put it to system queue, we can get the same result. Can anyone have any idea on the same. |
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| nvenkatesh |
| Posted: Thu Aug 13, 2009 11:18 pm Post subject: |
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Apprentice
Joined: 29 Jan 2007
Posts: 45
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| somsayan wrote: |
| When we issue mqsistartmsgflow, there must be some message put to the system queue |
You are correct. You can find the format of that control message in a test machine by "get inhibiting" the "system queue" you were talking about, running the mqsistartmsgflow command and browsing that message at an appropriate time when the broker is not running.
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| somsayan wrote: |
| Can i create a control message & send it to system queue to start or stop a particular msgflow |
Yes we can perfectly do that technically. But please be aware that IMO, what you are doing is some kind of reverse engineering and "making use of the product in a way which is not intended to" and *may* make your support and licence for the product void. When reading the licence what I understood is that those "system queues" are to be used only by the MB components like mqsicommands,etc and not by any other external programs. This is completely my opinion as I cant understand the license agreement clearly and anyone can correct me if I am wrong. |
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| Luke |
| Posted: Thu Aug 13, 2009 11:56 pm Post subject: |
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Centurion
Joined: 10 Nov 2008
Posts: 128
Location: UK
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| Vitor |
| Posted: Fri Aug 14, 2009 5:00 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| nvenkatesh wrote: |
| When reading the licence what I understood is that those "system queues" are to be used only by the MB components like mqsicommands,etc and not by any other external programs. This is completely my opinion as I cant understand the license agreement clearly and anyone can correct me if I am wrong. |
I don't know about license, but I think using the SYSTEM queues in this way is unsupported. It's also risky in that the behaviour of such things is not guaranteed to stay the same between versions & levels, so you could come unstuck without warning.
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Insanity is the best defence. |
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