RE: [Bug 8205] New: MEX: can mex appear more than once in an EPR

It sounds like that the change proposal does not offer any additional value to WS-MetadataExchange users. Suggest that we keep it simple and add additional text to tighten the specification to everyone's satisfaction.

Regards,

Asir S Vedamuthu
Microsoft Corporation

From: Doug Davis [mailto:dug@us.ibm.com]
Sent: Monday, December 14, 2009 6:04 PM
To: Asir Vedamuthu
Cc: public-ws-resource-access@w3.org
Subject: RE: [Bug 8205] New: MEX: can mex appear more than once in an EPR


Even without this change multiple mex:MetaData elements can appear since the xs:any could be another mex:metadata element.

There is no difference between:
<mex:Metadata>
  <mex:MetadataSection>...data1...</mex:MetadatSection>
  <mex:MetadataSection>...data2...</mex:MetadatSection>
</mex:Metadata>
and
<mex:Metadata>
  <mex:MetadataSection>...data1...</mex:MetadatSection>
</mex:Metadata>
<mex:Metadata>
  <mex:MetadataSection>...data2...</mex:MetadatSection>
</mex:Metadata>

We don't need to say anything about the relationship because there isn't one.

thanks
-Doug
______________________________________________________
STSM |  Standards Architect  |  IBM Software Group
(919) 254-6905  |  IBM 444-6905  |  dug@us.ibm.com
The more I'm around some people, the more I like my dog.

Asir Vedamuthu <asirveda@microsoft.com>
Sent by: public-ws-resource-access-request@w3.org

12/14/2009 08:26 PM

To

"public-ws-resource-access@w3.org" <public-ws-resource-access@w3.org>

cc

Subject

RE: [Bug 8205] New: MEX: can mex appear more than once in an EPR







><mex:Metadata> xs:any* </mex:Metadata>?

As you can see, the intent is once - a unique mex:Metadata element appearing as a direct child.

> Change the ? to a * on mex:Metadata and remove the word "unique"

We would like to understand why multiple mex:Metadata elements add value? What is the relationship among such multiple elements?

Regards,

Asir S Vedamuthu
Microsoft Corporation

-----Original Message-----
From: public-ws-resource-access-notifications-request@w3.org [mailto:public-ws-resource-access-notifications-request@w3.org] On Behalf Of bugzilla@wiggum.w3.org
Sent: Thursday, November 05, 2009 9:02 AM
To: public-ws-resource-access-notifications@w3.org
Subject: [Bug 8205] New: MEX: can mex appear more than once in an EPR

http://www.w3.org/Bugs/Public/show_bug.cgi?id=8205

          Summary: MEX: can mex appear more than once in an EPR
          Product: WS-Resource Access
          Version: FPWD
         Platform: PC
       OS/Version: Windows XP
           Status: NEW
         Severity: normal
         Priority: P2
        Component: MetadataExchange
       AssignedTo: public-ws-resource-access-notifications@w3.org
       ReportedBy: dug@us.ibm.com
        QAContact: public-ws-resource-access-notifications@w3.org


We define wsa:Metadata/mex:Metadata as:
--
<wsa:EndpointReference ...>
   <wsa:Address>xs:anyURI</wsa:Address>
   <wsa:ReferenceParameters> xs:any* lt;/wsa:ReferenceParameters> ?
   <wsa:Metadata>
       <mex:Metadata> xs:any* </mex:Metadata>?
       xs:any*
   </wsa:Metadata> ?
   xs:any*
</wsa:EndpointReference>

/wsa:EndpointReference/wsa:Metadata/mex:Metadata
   A unique mex:Metadata element appearing as a direct child of the
wsa:Metadata endpoint reference element.
--

What not clear is whether or not there can be more than one
mex:Metadata element under the wsa:Metadata element since the xs:any could
technically include it.  I see no reason to ban it.

Proposal:
Change the ? to a * on mex:Metadata and remove the word "unique".

or if we do want to ban it then we need to add some text being explicit about
it.


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