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How to handle repeating complex types in CWF format

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shyamkumarsharma001

Posted: Mon Nov 14, 2011 4:33 am Post subject: How to handle repeating complex types in CWF format

Novice

Joined: 24 May 2011
Posts: 18

Hi

I have a requirement of transforming an XML to CWF format where the structure of CWF format is

Message
Header ( comes only once)
... Elements (1-n)
Body ( repeating )
... Elements(1-n)
Trailer (comes only once)
... Elements(1-n)

my question is how to handle the repeating complex type (i.e. Body) as it pops out warning that I have an unbounded number of repeats for the element and this must be the last element of the parent element.

Please suggest how to rectify this.

Thanks in advance.

kimbert

Posted: Mon Nov 14, 2011 5:14 am Post subject:

Jedi Council

Joined: 29 Jul 2003
Posts: 5542
Location: Southampton

CWF does not allow tags, so the only *safe* place for something that repeats an *unknown* number of times is at the end of the message. That way, the end of the message marks the end of the last occurrence.

I assume that your data contains some type of 'record identifier' or 'tag' that the next application will use when it is parsing the data. If so, then it should be safe to ignore the warning.

mqjeff

Posted: Mon Nov 14, 2011 5:26 am Post subject:

Grand Master

Joined: 25 Jun 2008
Posts: 17447

You could nest the trailer record as an optional child of the body.
Then the body would be the end of the record, and would repeat an unlimited number of times, and only the last instance of the body would have an occurrence of the trailer.

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