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Implementing publish/subscribe using message flows

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srikanth av

Posted: Wed Aug 24, 2005 1:16 pm Post subject: Implementing publish/subscribe using message flows

Apprentice

Joined: 30 Jun 2005
Posts: 37

Hi,
i want to implement pub/sub concept using message flows ie by setting
MQRFH2 headers in the message flows.For this i got some information
on how to set the MQRFH2 headers for publishing and subscribing.

In the publishing message flow i am using MQINPUT node,COMPUTE node,
and PUBLICATION node.I have set the headers in COMPUTE node.

My doubt is how to send the publishing information to the broker. ie how i should code ESQL in COMPUTE node.

Thanks in advance

Regards
_________________
a v srikanth

recallsunny

Posted: Wed Aug 24, 2005 2:27 pm Post subject:

Disciple

Joined: 15 Jun 2005
Posts: 163
Location: Massachusetts

check this out
http://www.redbooks.ibm.com/redbooks/pdfs/sg246088.pdf

More links

gmmqnet

Posted: Fri Sep 09, 2005 3:36 am Post subject:

Novice

Joined: 12 Feb 2004
Posts: 18

Hope this helps
------------------
SET OutputRoot.MQMD.Format = 'MQRFH2 ';
SET OutputRoot.MQRFH2.(MQRFH2.Field)Version = 2;
SET OutputRoot.MQRFH2.(MQRFH2.Field)Format = 'MQSTR ';
SET OutputRoot.MQRFH2.(MQRFH2.Field)Encoding = InputRoot.MQMD.Encoding;
SET OutputRoot.MQRFH2.(MQRFH2.Field)CodedCharSetId = InputRoot.MQMD.CodedCharSetId;
SET OutputRoot.MQRFH2.(MQRFH2.Field)Flags = 0;
SET OutputRoot.MQRFH2.(MQRFH2.Field)NameValueCCSID =1208;
SET OutputRoot.MQRFH2.psc.Command ='Publish';
SET OutputRoot.MQRFH2.psc.Topic = '/FootBall/WCQualifier/#' ; --Put in the topic in here...U can even contruct it usign ESQL...

-- Setting mcd folder of MQRFH2 to NULL
SET OutputRoot.MQRFH2.mcd = NULL;

-- APPEND The Message Body and clear XML from the domain
SET OutputRoot."BLOB"."UnknownParserName" = ''; -- Required to clear the msg domain and MQRFH2.mcd.Msd from the temporary XML
SET OutputRoot."BLOB"."BLOB" = BITSTREAM(InputBody); -- Copy the original msg body to the OutputRoot as "BLOB" data.

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