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Re: Data Access WG questions about WSDL

From: Hugo Haas <hugo@w3.org>
Date: Tue, 16 Aug 2005 16:46:16 +0200
To: Kendall Clark <kendall@monkeyfist.com>
Cc: www-ws-desc@w3.org, Eric Prud'hommeaux <eric@w3.org>
Message-ID: <20050816144616.GJ26437@w3.org>
* Kendall Clark <kendall@monkeyfist.com> [2005-08-16 09:58-0400]
> On Tue, Aug 16, 2005 at 03:01:45PM +0200, Hugo Haas wrote:
> > Correct me if I'm wrong, but I don't think that the specification
> > prevents this, and I would interpret this as "you may get either one".
> > But it's ugly in this case.
> Yes, as written, the spec prevents the above, near as I can tell. It does so
> because *if* you have a binding that uses multipart/form-data as
> inputSerialization, then you have to use multipart style for that binding.

Oh, you're right, the multipart style is missing here, and it says:

    The localPart of the element's QName MUST be the same as the
    Interface Operation component's name.

I am actually unsure about the motivation and need for this
requirement of the style.

> In which case the nice single operation, query, really does become two
> separate operations: different styles and different output serializations.
> But then you really need *four* operations:
> query1: GET, IRI style, application/sparql-results+xml
> query2: GET, IRI style, application/rdf+xml
> query3: POST, multipart style, application/sparql-results+xml
> query4: POST, multipart style, application/rdf+xml
> Wow, now *that's* confusing. And ugly. Really, really ugly.

Well, actually, you could have only 2 operations, and 2 bindings of
those, one for GET and one for POST, supposing that query[1-4] are the
same input message.

Hugo Haas - W3C
mailto:hugo@w3.org - http://www.w3.org/People/Hugo/

Received on Tuesday, 16 August 2005 14:46:22 UTC

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