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This seems like an opportune time to mention the "Namespace Manager"
feature proposal[1] that I sent to the OASIS ebXML Registry TC in
January 2002 (I try to bring it up about once or twice a year, to remind
folks that it's still out there;)
With such a feature, one could register in an ebXM Registry
implementation the namespace that each construct
(element/attribute/datatype) is associated with, as well as the
constructs themselves, with an association between constructs and
namespaces. Then, if a schema were to be constructed (assembled) at
design time using a UBL schema (perhaps retreived in its entirety, as a
"blob" so to speak) and custom (non-UBL) constructs, the resulting
schema can reflect the proper versions of the constructs via their
namespaces.
I've just set myself an electronic reminder to bring this up again
sometime, somewhere, this November ;)
Joe
[1] http://xml.coverpages.org/namespaces.html
(search on "namespace manager", or go right to
http://lists.oasis-open.org/archives/regrep/200201/msg00061.html to see
the archived proposal)
Kind Regards,
Joseph Chiusano
Associate
Booz Allen Hamilton
700 13th St. NW, Suite 1100
Washington, DC 20005
O: 202-508-6514
C: 202-251-0731
Visit us online@ http://www.boozallen.com
-----Original Message-----
From: David RR Webber (XML) [mailto:david@drrw.info]
Sent: Wednesday, May 17, 2006 10:12 AM
To: Fraser Goffin
Cc: UBL-Dev; XML-Dev Mailing list
Subject: RE: [ubl-dev] Low level versioning
Fraser,
I very much believe versioning is needed to the element/attribute level
in an operational environment and using OASIS CAM this is very much
attainable / essential.
Therefore I'd pro-offer - if this is a key business need - then you can
use CAM templates to overlay this fine level of detail over the base UBL
schema between you are your partners.
As for UBL itself - since the version only changes periodically - on a
major release schedule - then the course grained ns approach is probably
sufficient.
DW
-------- Original Message --------
Subject: [ubl-dev] Low level versioning
From: "Fraser Goffin" <goffinf@googlemail.com>
Date: Wed, May 17, 2006 10:00 am
To: UBL-Dev <ubl-dev@lists.oasis-open.org>, "XML-Dev Mailing list"
<xml-dev@lists.xml.org>
There has been some recent discussion in my organisation as to whether
there is a need to provide verion information for each element/aggregate
in our standard data model.
Currently versioning is only visible to implementers on the business
transaction level schema (namespace), that is, individual parts are not
individually versioned.
Does UBL provide individual version information for each business
entity, and are each of these visible when entities are combined to form
a business transaction ?
I have a feeling that traceability to the core data model needs to
reflect version, but I remain to be convinced about whether it is
necessary at this level at run-time.
All opinions welcome.
Fraser.
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