W3C home > Mailing lists > Public > www-ws-desc@w3.org > March 2004

Re: [revised] Proposed resolutions for issues 146 and 150

From: Sanjiva Weerawarana <sanjiva@watson.ibm.com>
Date: Fri, 19 Mar 2004 00:48:25 +0600
Message-ID: <16cd01c40d19$9c7d7e30$02c8a8c0@watson.ibm.com>
To: "Jonathan Marsh" <jmarsh@microsoft.com>, "WS Description List" <www-ws-desc@w3.org>

Incorporated per decision @ telecon today. (Changed #none to #empty.)

ROBERTO: Can you please incorporate the syntactically correct schema
fragment to our schema please?

Sanjiva.

----- Original Message ----- 
From: "Jonathan Marsh" <jmarsh@microsoft.com>
To: "WS Description List" <www-ws-desc@w3.org>
Sent: Friday, March 12, 2004 6:34 AM
Subject: [revised] Proposed resolutions for issues 146 and 150 


> 
> Here's an update to my proposal [.0] for issues 146 [.1] "Should WSDL be
> able to describe an operation with *anything* in the message?" and 150
> [.2] "Indicating empty bodies".
> 
> When using XML Schemas, the element attribute points to a QName of a
> GED, preventing either empty bodies, or unconstrained content.  Special
> values of the element attribute could indicate these conditions.
> 
> Status quo:
>   <xs:attribute name="element" type="xs:QName" use="optional" />
> 
> Proposal:
>   <xs:attribute name="element" type="elementReference" use="optional" />
> 
>   <xs:simpleType name="elementReference">
>     <xs:union>
>       <xs:simpleType memberTypes="xs:QName">
>         <xs:restriction base="xs:token">
>           <xs:enumeration value="#any"/>
>           <xs:enumeration value="#empty"/>
>         </xs:restriction>
>       </xs:simpleType>
>     </xs:union>
>   </xs:simpleType>
> 
> {message content model} A token with one of the values '#any', '#empty',
> or '#element'.  A value of #any indicates that there are no restrictions
> on the message structure.  A value of empty indicates there is no
> message content.  A value of element indicates that the message consists
> of a single element described by the global element declaration
> reference by the {element} property. 
>  
> {element} A reference to an XML element declaration in the {element
> declarations} property of 2.1.1 The Definitions Component. This element
> represents the content or "payload" of the message.  When the {message
> content model} property has the value #any or #empty the element
> property is empty.
> 
> The mapping from XML into these properties should be fairly obvious.
> 
> [.0] http://lists.w3.org/Archives/Public/www-ws-desc/2004Mar/0058.html
> [.1] http://www.w3.org/2002/ws/desc/2/06/issues.html#x146 
> [.2] http://www.w3.org/2002/ws/desc/2/06/issues.html#x150
Received on Thursday, 18 March 2004 13:49:30 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 7 December 2009 10:58:30 GMT