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

From: Roberto Chinnici <Roberto.Chinnici@Sun.COM>
Date: Thu, 18 Mar 2004 20:37:15 -0800
To: Sanjiva Weerawarana <sanjiva@watson.ibm.com>
Cc: Jonathan Marsh <jmarsh@microsoft.com>, WS Description List <www-ws-desc@w3.org>
Message-id: <405A78FB.3050901@sun.com>

Done. I changed the name of the simple type to ElementReferenceType for 
consistency with the other types in the wsdl namespace.

The type declaration now looks like this:

   <xs:simpleType name="ElementReferenceType">
       <xs:simpleType memberTypes="xs:QName">
         <xs:restriction base="xs:token">
           <xs:enumeration value="#any"/>
           <xs:enumeration value="#none"/>

By the way, in section 2.5.3 you should add an "Otherwise empty." at the 
end of:

   {message content model} 	If the element attribute information
   item is present and its value is a QName, then #element. Otherwise the
   actual value of the element attribute information item, if any.


Sanjiva Weerawarana wrote:
> 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" />
>>  <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 23:37:42 UTC

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