RE: [Bug 8031] New: WS-Mex: Distinguishing the 'main' metadata

Asir,

I think the difference here is that the root semantics is implicitly 
inferred by http://<uri>?WSDL, allowing the client to know where to 
'start' when processing multiple WSDL documents.  That implicit root 
semantics is not available when multiple WSDLs (including potentially 
imported and implicit WSDLs) are returned in MetadataSections.

Thanks
Katy




From:
Asir Vedamuthu <asirveda@microsoft.com>
To:
Katy Warr/UK/IBM@IBMGB
Cc:
"public-ws-resource-access@w3.org" <public-ws-resource-access@w3.org>
Date:
03/11/2009 01:09
Subject:
RE: [Bug 8031] New: WS-Mex: Distinguishing the 'main' metadata



Well, in general, if there are no semantics associated (beyond WSDL 
semantics) with a WSDL doc returned by http://<uri>?WSDL then there are no 
reasons to differentiate root versus non-root. Are there any reasons?
 
Regards,
 
Asir S Vedamuthu
Microsoft Corporation
 
From: Katy Warr [mailto:katy_warr@uk.ibm.com] 
Sent: Monday, November 02, 2009 8:13 AM
To: Asir Vedamuthu
Cc: public-ws-resource-access@w3.org
Subject: RE: [Bug 8031] New: WS-Mex: Distinguishing the 'main' metadata
 

Hi Asir 

The example only returns one WSDL (which happens to have some others 
imported within it) so we can tell (implicitly) that that's the root and 
so no semantics are required.  Sorry if I have not understood your 
question? 

Best regards 
Katy 



From: 
Asir Vedamuthu <asirveda@microsoft.com> 
To: 
"public-ws-resource-access@w3.org" <public-ws-resource-access@w3.org> 
Date: 
02/11/2009 01:24 
Subject: 
RE: [Bug 8031] New: WS-Mex: Distinguishing the 'main' metadata
 




> the one that would be returned from HTTP GET 
> targeted at <endpoint>?WSDL

Are there any semantics associated with a WSDL returned by 
http://<endpoint>?WSDL? For instance, what is the semantics associated 
with a WSDL that is returned by such a Get request and contains a few 
import statements (see below)?

<definitions name="StockQuote" 
  targetNamespace="http://example.com/stockquote/definitions"
  xmlns="http://schemas.xmlsoap.org/wsdl/">

<import namespace="http://example.com/stockquote/definitions"
   location="http://example.com/stockquote/definitions1.wsdl"/>

<import namespace="http://example.com/stockquote/definitions"
   location="http://example.com/stockquote/definitions2.wsdl"/>

</definitions>

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: Friday, October 23, 2009 6:36 AM
To: public-ws-resource-access-notifications@w3.org
Subject: [Bug 8031] New: WS-Mex: Distinguishing the 'main' metadata

http://www.w3.org/Bugs/Public/show_bug.cgi?id=8031

          Summary: WS-Mex: Distinguishing the 'main' metadata
          Product: WS-Resource Access
          Version: PR
         Platform: PC
       OS/Version: Windows XP
           Status: NEW
         Severity: normal
         Priority: P2
        Component: MetadataExchange
       AssignedTo: public-ws-resource-access-notifications@w3.org
       ReportedBy: katy_warr@uk.ibm.com
        QAContact: public-ws-resource-access-notifications@w3.org


A GetMetadata request may return multiple documents all of the same 
dialect. 
How does the client know which of these documents is the 'root' document?

For example (this is a side note mentioned in 7912):
When multiple WSDL documents* are returned from GetMetadata, how do we
distinguish the 'real' one - i.e. the one that would be returned from HTTP 
GET
targeted at <endpoint>?WSDL ? 

Note that there might be >1 root documents - for instance, in the case of 
one
WSDL for soap 1.1 and one for SOAP 1.2.

*Multiple WSDL documents may be returned if operations are implicitly 
defined
(via policy) or if WSDL documents are imported.

Proposal:
--------
Here is a starting proposal:

Add an attribute @root to the dialect in order to indicate that the 
metadata
section is a 'root' one.  Define the meaning of the 'root' document for 
each
dialect. 

 <mex:MetadataSection Dialect='http://schemas.xmlsoap.org/wsdl/
                      Identifier='http://services.example.org/stockquote'
                      Root=true>
 ...
 </mex:MetadataSection>
 <mex:MetadataSection Dialect='http://schemas.xmlsoap.org/wsdl/
                      Identifier='http://www.w3.org/2009/09/ws-tra'
                      Root=false>
 ...
 </mex:MetadataSection>


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Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number 
741598. 
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU