Re: [wsbpel] Issue 88 - Proposal to vote

[Alex Yiu <alex.yiu@oracle.com>]

DK,

I don't have a strong opinion whether we need to add that explicit paragraph.
As long as rest of TC is happy, I am happy as well.


Regards,
Alex Yiu


Dieter Koenig1 wrote:

Hi Alex, in my opinion, the spec text

   The importType attribute identifies the type of document being imported
   by providing the URI of the encoding language. The value MUST be set to
   "http://www.w3.org/2001/XMLSchema" when importing XML Schema 1.0
   documents, and to "http://schemas.xmlsoap.org/wsdl/" when importing WSDL
   1.1 documents.

is already precise. It has a general statement for all document types, and
provides details for two well-known specific document types.

Kind Regards
DK



                                                                           
             Alex Yiu                                                      
             <alex.yiu@oracle.                                             
             com>                                                       To 
                                       Dieter Koenig1/Germany/IBM@IBMDE    
             07.12.2005 17:18                                           cc 
                                       wsbpel@lists.oasis-open.org, Alex   
                                       Yiu <alex.yiu@oracle.com>           
                                                                   Subject 
                                       Re: [wsbpel] Issue 88 - Proposal to 
                                       vote                                
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           





HI DK,

Thanks for following this up.
Do we want to add an explicit pargraph to the resolution of Issue 88 to
point that out? e.g.:

     Other URI values can be used with importType attribute value to import
     artifacts and documents other than XSD 1.0 and WSDL 1.1. Details of
     those import semantics are outside the scope of this specification.


Regards,
Alex Yiu


Dieter Koenig1 wrote:

  

(1) The spec section 6.4 has the following language for the description of
the importType attribute:

The importType attribute identifies the type of document being imported by
providing the URI of the encoding language. The value MUST be set to "
http://www.w3.org/2001/XMLSchema" when importing XML Schema 1.0 documents,
and to "http://schemas.xmlsoap.org/wsdl/" when importing WSDL 1.1
documents.

This text does not exclude import of artifacts with a type other than WSDL
or XSD, even if only WSDL and XSD are explicitly mentioned. I would like
    

to
  

explicitly point out that this is a desirable approach for BPEL processes
using extensions, which may then also import artifacts with an extension
namespace.

Consequently, the WS-BPEL XML schema must be changed from
  <attribute name="importType" type="bpws:importedURI" use="required"/>
to
  <attribute name="importType" type="bpws:anyURI" use="required"/>

(2) According to the issue 88 resolution (
http://www.choreology.com/external/WS_BPEL_issues_list.html#Issue88), the
import attributes namespace and location are optional.

The resolution of issue 88 is not yet reflected in the spec BUT issue 88
    

is
  

missing on the list of "Resolved issues awaiting editing into spec" (
http://www.choreology.com/external/WS_BPEL_issues_list.html#edit_table). I
assume that this is an error on the Web page.

==>

Taking both (1) and (2) together, the XML schema definition of tImport
    

must
  

look like this:

  <complexType name="tImport">
    <complexContent>
      <extension base="bpws:tExtensibleElements">
        <attribute name="namespace" type="anyURI"/>
        <attribute name="location" type="anyURI"/>
        <attribute name="importType" type="bpws:anyURI" use="required"/>
      </extension>
    </complexContent>
  </complexType>

Kind Regards
DK


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