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| Polling Trigger / Time Trigger |
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| i.x |
 Posted: Wed Mar 30, 2005 1:04 am Post subject: Polling Trigger / Time Trigger |
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Apprentice
Joined: 11 Aug 2004
Posts: 26
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Hello Guys,
i want to use a script that reads out a folder and is looking for new files in this folder.
If a file in the folder exists it should be put to a MQ Queue...
This all works.. but NOW:
The script should be triggered in a time intervall. (every 5 minutes)
Is it possible to create a time trigger in my MQ that runs every 5 minutes a process? or have i to realise this with Operating System tools? (i hope not)
Or does MQ have any other trigger possibilites to run scripts in a time intervall?
Thank you  |
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| Michael Dag |
| Posted: Wed Mar 30, 2005 1:24 am Post subject: |
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Jedi Knight
Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)
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AFAIK MQ has no timed trigger controls...
You either run an OS timed control to start the script OR...
send a message to a queue from a central location and then use MQ triggering to start the script.
The advantage of the second option is you can 'control' the timing from a central location if needed.
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Michael
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| kman |
| Posted: Wed Mar 30, 2005 11:08 pm Post subject: |
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Partisan
Joined: 21 Jan 2003
Posts: 309
Location: Kuala Lumpur, Malaysia
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| Quote: |
i want to use a script that reads out a folder and is looking for new files in this folder.
If a file in the folder exists it should be put to a MQ Queue...
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OK. That's normal.
| Quote: |
Or does MQ have any other trigger possibilites to run scripts in a time intervall?
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Ok, which one is this? Is this about MQ trigger or script trigger or both? Michael was correct, AFAWK there is no time trigger control for MQ trigger. But then why not use the sleep function in your script?
Use MQ tiggering to start the script would require you to send a message to the script. And you need to send the message in a time sequence. And that still does not guarantee the time is correct to the seconds. Because you need a program to send a message to the trigger queue, and the trigger monitor has to notice it, then start the script.
I would go with a timer in the script, or get the OS function to do it - whatever that is.
I have similar requirement before, and I settled for sleep interval. |
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| jfluitsm |
| Posted: Wed Mar 30, 2005 11:33 pm Post subject: |
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Disciple
Joined: 24 Feb 2002
Posts: 160
Location: The Netherlands
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What you can do is loop your script with something like a sleep command.
I have implemented a similar solution for a customer using a Java program that looks for added files in the directory and starts a script for every added file.
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Jan Fluitsma
IBM Certified Solution Designer WebSphere MQ V6
IBM Certified Solution Developer WebSphere Message Broker V6 |
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