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Inteface with MQ and TDQ

 
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adutta24

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Joined: 07 Aug 2007
Posts: 13
Location: London

PostPosted: Mon Jun 28, 2010 7:06 pm    Post subject: Inteface with MQ and TDQ
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Hi,
I am having an inteface which send MQ message and its picked up by TDQ and TDQ triggers CICS transaction.

Can any one explains me on how MQ is communicating with TDQ.

Thanks,
Jyothsna
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CICS Guy

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Joined: 18 Jul 2007
Posts: 2150
Location: At my coffee table

PostPosted: Mon Jun 28, 2010 7:25 pm    Post subject: Re: Inteface with MQ and TDQ
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adutta24 wrote:
Can any one explains me on how MQ is communicating with TDQ.
MQ is not communicating with the TDQ, it is probably communicating with a program running in CICS which writes to the TDQ causing CICS to trigger another transaction based upon the TDQ's trigger level.
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adutta24

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Location: London

PostPosted: Tue Jun 29, 2010 10:19 am    Post subject:
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Hi,
Thanks for the response. as you said my application is reading from TDQ using READQ. another midrange application sends message to TDQ via MQ. want to know how this communication happens between MQ and TDQ.
any info/help will be a great help for me.

Thanks,
Abhishek
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10277
Location: italy

PostPosted: Tue Jun 29, 2010 10:34 am    Post subject: Reply to: Inteface with MQ and TDQ
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Quote:
another midrange application sends message to TDQ via MQ.


did You try to understand the previous reply???

unless the acronyms TDQ and MQ mean something else to You

TDQ and MQ are completely unrelated things,
the only thing they have in common is the Q as last letter of the acronym

see
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/DFHP3C00/4.8?SHELF=DFHASJ00&DT=20070619105120
for the TRANSIENT DATA CICS concept

as an approximation a TDQ in CICS is a sequential(flat) file

after Your program has read a message from MQ it is free ( the program ) to dispose of it ( the message ) in any way

for example
for a batch application to write it to a sequential(flat) file
for a CICS transaction to write it to a TRANSIENT DATA DESTINATION(QUEUE) file
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