I think that Chee-Kai is on the right track, but why don't you create a
specialised Number_Identifier. Type that restricts the UBL UDT of
Identifier. Type? This is consistent with the UBL methodology.
Mark
> -----Original Message-----
> From: Chin Chee-Kai [mailto:]
> Sent: Monday, July 04, 2005 11:36 PM
> To: Fraser Crichton
> Cc:
> Subject: Re: [ubl-dev] Customisation of specialised types
>
> Perhaps one easier way which does not need modification to
> schemas nor fudge with NDR is to just use existing IdentifierType.
> This sets your system to accept more IDs than what you would
> consider valid, but would filter off IDs which you would also
> consider invalid. So at this point, the invalid ones
> relative to UBL are taken care of without rejecting what you
> might have considered valid, but there are those invalid ones
> relative to your system which are accepted as valid by UBL's
> IdentifierType.
> (If you read about the hypothesis tests in statistics, this
> is like their Type I & Type II errors).
>
> At this point, just do an application-specific validation
> routine to take as input the data accepted under UBL's
> IdentifierType, pick it apart to see if it conforms to the
> string-integer mix format in the sector you have in mind, and
> then decide again whether to accept or reject the datum,
> and/or as a result, the entire document.
>
>
>
> Best Regards,
> Chin Chee-Kai
> SoftML
> Tel: +65-6820-2979
> Fax: +65-6743-7875
> Email:
> http://SoftML.Net/
>
>
> On Tue, 5 Jul 2005, Fraser Crichton wrote:
>
> >>Hi,
> >>
> >>I have a dumb question.
> >>
> >>I'm interested in creating a customised Identifier type (a
> combination
> >>of a string and a number), the sector refers to this type
> as a number
> >>throughout all their business processes and systems and
> want to see it
> >>referred to as a Number in any XML messages.
> >>
> >>Would I create a new specialised datatype and extend from the
> >>udt:TextType? Would I create a completely new type based on
> xsd:string?
> >>How else could I achieve this ugliness and comply with the NDR?
> >>
> >>Cheers,
> >>
> >>Fraser
> >>
> >>--
> >>Fraser Crichton
> >>XML Developer
> >>SolNet Solutions Limited
> >>L12, SolNet House, 70 The Terrace
> >>PO Box 397, Wellington, Aotearoa / New Zealand
> >>http://www.solnetsolutions.co.nz
> >>DDI: 04-462-5078
> >>Mob: 027-278-3392
> >>Fax: 04-462-5011
> >>
>
>
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