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Lisa
PostPosted: Tue Nov 09, 2004 12:57 pm    Post subject: IBM SWIFT Message set Reply with quote

Master

Joined: 07 Jun 2002
Posts: 287
Location: NJ

All,
After reviewing the IBM SWIFT message set, I notice that some elements have the same name, but different identifers. When I try to add elelments with the same name, I get the error message "Name is already in use. Please choose another name and try again".

I'm using WMQI 2.1, CSD04. Can someone explain what's going on?

Lisa
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shanson
PostPosted: Mon Nov 15, 2004 5:24 am    Post subject: Reply with quote

Partisan

Joined: 17 Oct 2003
Posts: 344
Location: IBM Hursley

Are the identfiers ones that are of the form a^b? If so this is something called a 'prefixed identifier', introduced in 2.1 to compensate for the MRM holding all elements as global - such elements are treated as if they are local. It's all expained in the Working with Messages book.
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Lisa
PostPosted: Mon Nov 15, 2004 6:24 am    Post subject: IBM SWIFT Message set Reply with quote

Master

Joined: 07 Jun 2002
Posts: 287
Location: NJ

Thanks Shanson! You are correct. By adding the ^ symbol to the Identifier, one can many elements with the same name.


Lisa
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shanson
PostPosted: Mon Nov 15, 2004 9:46 am    Post subject: Reply with quote

Partisan

Joined: 17 Oct 2003
Posts: 344
Location: IBM Hursley

If you use the prefixed identifier facility, please make sure that you do not misuse it. The facility is intended to help model local elements. The implication is that an element with a prefixed identifier should only ever be included in one compound type. As soon as you include it in a second compound type, its usage becomes (by definition) global. While this does actually work, it causes a glitch when you come to migrate to V5.

Before you append back, yes, the SWIFT message set from Dublin misuses prefixed identfiers in a couple of places. They have a corrected message set available for V5.
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Lisa
PostPosted: Mon Nov 15, 2004 10:15 am    Post subject: IBM SWIFT Message set Reply with quote

Master

Joined: 07 Jun 2002
Posts: 287
Location: NJ

Thanks for the information.

Lisa
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