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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » TDS/CWF element length philosophy

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Boolean
PostPosted: Mon Nov 24, 2003 11:30 pm    Post subject: TDS/CWF element length philosophy Reply with quote

Acolyte

Joined: 05 Jun 2003
Posts: 56
Location: Sweden

Just a little thoughtful about this.

(Using WBI MB 5.0)

When building a TDS message, element lengths are set on the "Physical properties, TDS1, Global Element" tab (at element level).

I have just built a CWF message with packed fields and here element lengths are set on the "Physical properties, CWF1, Element Reference". On this message set, the element length property can be set only when the element is added to a type.

Why can CWF elements only be given lengths when added to types??
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kimbert
PostPosted: Tue Nov 25, 2003 1:38 am    Post subject: Reply with quote

Jedi Council

Joined: 29 Jul 2003
Posts: 5542
Location: Southampton

Fair question. You're not the first to comment on this. There's is no technical reason for the difference, but historically the CWF physical format has always associated its properties with type members, rather than with elements. When TDS was introduced in v2.1, it had no such history to follow, so the authors associated the TDS properties with the elements.
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Boolean
PostPosted: Tue Nov 25, 2003 7:19 am    Post subject: Reply with quote

Acolyte

Joined: 05 Jun 2003
Posts: 56
Location: Sweden

Ok, but it's an answer and I'll buy it.
Thank's!
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zpat
PostPosted: Tue Nov 25, 2003 7:28 am    Post subject: Reply with quote

Jedi Council

Joined: 19 May 2001
Posts: 5866
Location: UK

In my opinion the MRM interface is horrible (non-intuitive) to use, and the advice given to me by our experts was that it's easier to define the message layout as a COBOL copybook and then import it, than it is to define it in the Control Center.
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