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Subject: Re: [ws-caf] Context query
Hiya Tony. Tony Fletcher wrote: > As Martin knows, I have been concentrating on another standards effort over > the last few days, but can now spend a little time on CAF again - this by > way of an apology for being slow to reply again!! No need to apologise. > I would like to explore the technical changes made / we are making, to make > sure that I (and perhaps others) know about them and understand their > implications. > > In the version of the Context schema that you sent me as being a latter > revision than the currently available one, the context element is still > present but now defined as being abstract. > > <xs:element name="context" type="tns:ContextType" abstract="true"/> > > Some questions/points: > 1) Why is the context element made abstract rather than the context > complexType? The only effect of making the context type abstract is to force a referencing specification to define a sub type. I do not believe this was the intention of the resolution but am willing to change it if others disagree. > 2) Because this element is now defined as being 'abstract' it can not be > used in instance documents, a member of its 'substitution group' must be > used instead. No such substitution elements are defined in the Context > schema so they must be defined elsewhere (note this applies equally to the > context 'parameter' of the content and set-content messages). I presume > this is the intent, but we need to make sure that this is done in the > referencing specification schema. That's correct, the current context documentation has been changed to reflect this requirement. > 3) Could you please send me the revised WSDL as the contextMessage in the > old(/publicly available current version) gets broken by this change. I believe Mark will be circulating the current documentation RSN, it may be better to consider them all together. Kev -- Kevin Conner Arjuna Technologies Ltd.
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