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Subject: Re: [wsrp] Comment on Sec 5.1.21 Extension Part
- From: Rich Thompson <richt2@us.ibm.com>
- To: wsrp <wsrp@lists.oasis-open.org>
- Date: Thu, 25 May 2006 11:05:33 -0400
Anyone object to my including this change
in wd17?
Rich
Subbu Allamaraju <subbu@bea.com>
05/25/06 09:57 AM
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To
| wsrp <wsrp@lists.oasis-open.org>
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cc
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Subject
| Re: [wsrp] Comment on Sec 5.1.21 Extension
Part |
|
To be clear, this is a question of clarity of semantics.
The name "location" is misleading as it tends to push the reader
in
search of locations in a node hierarchy.
I would go with "extendsType", and change the first sentence
in the
description of the field to
"Array of local names of the WSRP types that carry this extension."
Subbu
Rich Thompson wrote:
>
> The previous discussions of this concluded that we did not want to
> specifically indicate where in a message hierarchy a particular
> extension could occur, rather it is simply indicating what type could
> (note; could and not will!) be extended. My impression is that the
> common misunderstanding about this arises from interpreting 'location'
> to mean a place within the message structure and hence proposed renaming
> the field 'extendedTypes' as this would more accurately carry the
> semantics of the field.
>
> If you are instead trying to reopen the discussion about the semantics
> of the field such that it would point at places within the message
> structure, please make sure you have new arguments for why this would
be
> a preferred solution ...
>
> Rich
>
>
> *Subbu Allamaraju <subbu@bea.com>*
>
> 05/24/06 02:49 PM
>
>
> To
> wsrp
<wsrp@lists.oasis-open.org>
> cc
>
> Subject
> Re:
[wsrp] Comment on Sec 5.1.21 Extension Part
>
>
>
>
>
>
>
>
> I don't think that will help.
>
> Let's take the example. What does it mean to say that "an extension
> providing additional contact information might list "Contact"
as a
> location". What is "Contact"? The local name of a type
declared in WSRP
> 2.0 XSD? These are the questions a reader will have. It gets tricky
when
> there are multiple elements of the same type in a given structure.
>
> Since there is a thought of utilizing extension descriptions to specify
> new features in future, we need to explain this more.
>
> Subbu
>
> Rich Thompson wrote:
> >
> > In previous discussions we explicitly decided to not make
this an XPath
> > ... considering the ongoing confusion, perhaps renaming
the field
> > "extendedTypes" would make the TC's intent and
decisions in this area
> > clearer.
> >
> > Rich
> >
> >
> > *Subbu Allamaraju <subbu@bea.com>*
> >
> > 05/24/06 01:33 PM
> >
> >
> > To
> >
wsrp <wsrp@lists.oasis-open.org>
> > cc
> >
> > Subject
> >
[wsrp] Comment on Sec 5.1.21 Extension Part
> >
> >
> >
> >
> >
> >
> >
> >
> > [Sending on behalf of Nate Lipke - for some reason his
emails are
> bouncing.]
> >
> > 5.1.21 ExtensionPart Type
> > The locations field should be better defined.
> > We should standardize on a syntax and use stronger language.
E.g. the
> > locations field MUST be specified as ...
> > Options:
> >
> > * Use the schema type name (maybe the
change the name to
> > parentTypes reflect this): EmployerInfo
> > * Use a hierarchical format for the extensions
to point the actual
> > element: /getMarkup/userContext/profile/EmployerInfo
> > o Possibly allow for
more complex locations:
> > /*/userContext/profile/EmployerInfo
> > o Should these be Qnames:
> > /wsrp:getMarkup/wsrp:userContext/wsrp:profile/wsrp:EmployerInfo
> > o Should we use a XPath
or subset of XPath?
> > o XQuery?
> >
> > A problem with the first choice is highlighted by the example
given:
> > The example refers to "Contact" which is a type
not a location. There
> > are two fields (businessInfo and homeInfo) with the Contact
type under
> > UserProfile. Does this refer to both fields? Also
what message should
> > this field be expected in. And how can an implementor determine
this
> > from the the ServiceDescription.
> >
> >
> > Thanks,
> >
> > Nate
> > _______________________________________________________________________
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