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Re: issue: optional parts in <message>?

From: Prasad Yendluri <pyendluri@webmethods.com>
Date: Wed, 01 May 2002 13:54:01 -0700
Message-ID: <3CD055E9.2190C228@webmethods.com>
To: Sanjiva Weerawarana <sanjiva@watson.ibm.com>
CC: "WS-Desc WG (Public)" <www-ws-desc@w3.org>
I think this is very desirable. You would want to identify the different
abstractions as separate parts in the message and not bundle the entire
message into say a single part captured by the XML schema. I think
representing optionality at the abstract level (message level) is desirable.
E.g. if I can see that this operation returns a PO plus one or more
attachments at the abstract level it more valuable and we need not burden the
PO schema to embed the optionality of arbitrary attachments that come from a
totally unrelated namespace or content-type.

Regards, Prasad

Sanjiva Weerawarana wrote:

> <issue id="issue-message-parts">
>   <head>Should the message part mechanism be extended to support optional
>         parts etc.?</head>
>   In WSDL 1.1, a message can only be defined to be a sequence of parts.
>   It is not possible to indicate that certain parts may be optional,
>   may occur multiple times, etc.? Should we do that? Overlapping with
>   XML Schema's mechanisms is an obvious concern.
>   <source>Sanjiva Weerawarana</source>
> </issue>
> Could we also start discussing this issue please?
> Sanjiva.
Received on Wednesday, 1 May 2002 16:51:27 UTC

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