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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Optional Lines in MRM output

Optional Lines in MRM output

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madi

Posted: Tue Jan 13, 2009 10:11 am Post subject: Optional Lines in MRM output

Chevalier

Joined: 17 Jan 2006
Posts: 475

Hi All

I am trying to create an MRM message that is a tagged delimited message on the outer level and fixed length within each line

i have multiple lines within the data some of which are optional. I have set the min occurs to 0 and max to 25 or something for those types.

But they still end up as empty lines in the output message. I look at the trace before the output and MRM tree doesnt show these fields, so when its writing out the message its creating these fields.

i think its a property in the Msgdef file that I missed.

can anyone help??

Thanks
madi
_________________
IBM Certified Solutions Developer - WMB 6.0

madi

Posted: Tue Jan 13, 2009 11:02 am Post subject:

Chevalier

Joined: 17 Jan 2006
Posts: 475

Well, after changing the model of the MRM, I could get rid of the empty lines.
I was using group indicator and terminator to define taged fixed messages, now i changed to tagged fixed format.

here's the model

Code:

Root -- Tagged fixed Length with length of tag as 2 with group terminator <CR><LF>
Line1 -- Tag = '10' ; Repeating delimiter = <CR><LF>
Field1 -- fixed length; length = 5..
Field2 -- .......
....
Line2 -- Tag = '11' ; Repeating delimiter = <CR><LF>
Field1 -- fixed length; length = 5..
Field2 -- .......
....
...
...

Now my question is: How to tell MRM that after everyline i need a <CR><LF>; the above definition isn't working

anyone?

--madi
_________________
IBM Certified Solutions Developer - WMB 6.0

kimbert

Posted: Tue Jan 13, 2009 1:29 pm Post subject:

Jedi Council

Joined: 29 Jul 2003
Posts: 5542
Location: Southampton

Some simple rules when using TDS:
1. Use Group Indicators and Group Terminators to model fixed text in the message
2. If the aim is to guide the parser, use a Tag, not a Group Indicator .

You have discovered 2. for yourself. Now you need to apply 1.

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