Re: [wsbpel] Issue 192 - Proposal for vote

["Yaron Y. Goland" <ygoland@bea.com>]

Minor Quibble: Is it really worth adding another XSD file just for the 
extension base? Why not just recreate it independently in each file?

	Yaron

Alex Yiu wrote:
> Issue 192: Applying extensibility uniformly to <partnerLinkType>, <role>, 
> <property> and <propertyAlias>
> 
> _*Proposal for vote*_
> 
> Change the XSD definition for <partnerLinkType>, <role>, <property> and 
> <propertyAlias> by make their type extending from "tExtensibleElements".
> 
> In "6.3. Language Extensibility", add the following:
> 
>     Apart from core WS-BPEL process constructs, extensions are also allowed in
>     WSDL-based WS-BPEL constructs, such as, <partnerLinkType>, <role>,
>     <property> and <propertyAlias>. The same syntax pattern and semantic rules
>     for extensions of core BPEL constructs are applied to these extensions as
>     well. Particularly, <extension> directives of a WS-BPEL process are applied
>     to all extensions used in WSDL-based WS-BPEL constructs, of which the WSDL
>     definitions are transitively referenced by the process.
> 
>     [Editor's Note: The above wordings on <extension> directives may need to be
>     refined a bit upon the passing of Issue 92 and/or 92.*]
> 
> 
> 
> _*XSD Editorial Details:*_
> 
>     * Factor out "tExtensibleElements" from "wsbpel_main.xsd" into a schema of
>       no targetNamespace called "wsbpel_extensible.xsd"
>     * Add the following xsd:include to all existing 3 XSD:
>          <include schemaLocation="wsbpel_extensible.xsd" />
>     * Make the following type definition extended from "tExtensibleElements":
> 
>           <element name="property">
>               <complexType>
>                   <complexContent>
>                       *<extension base="tExtensibleElements">*
>                           <attribute name="name" type="NCName" use="required"/>
>                           <attribute name="type" type="QName" use="required"/>
>                       </extension>
>                   </complexContent>
>               </complexType>
>           </element>
> 
>           <element name="propertyAlias">
>               <complexType>
>                   <complexContent>
>                       *<extension base="bpws:tExtensibleElements">*
>                           <sequence>
>                               <element name="query" minOccurs="0">
>                                   <complexType mixed="true">
>                                       <sequence>
>                                           <any processContents="lax" minOccurs="0"/>
>                                       </sequence>
>                                       <attribute name="queryLanguage"
>       type="anyURI"/>
>                                   </complexType>
>                               </element>
>                           </sequence>
>                           <attribute name="propertyName" type="QName"
>       use="required"/>
>                           <attribute name="messageType" type="QName"
>       use="required"/>
>                           <attribute name="part" type="NCName"/>
>                       </extension>
>                   </complexContent>
>               </complexType>
>           </element>
> 
>           <complexType name="tPartnerLinkType">
>               <complexContent>
>                   *<extension base="bpws:tExtensibleElements">*
>                       <sequence>
>                           <element name="role" type="plnk:tRole" maxOccurs="2"/>
>                       </sequence>
>                       <attribute name="name" type="NCName" use="required"/>
>                   </extension>
>               </complexContent>
>           </complexType>
> 
>           <complexType name="tRole">
>               <complexContent>
>                   *<extension base="bpws:tExtensibleElements">*
>                       <attribute name="name" type="NCName" use="required"/>
>                       <attribute name="portType" type="QName" use="required"/>
>                   </extension>
>               </complexContent>
>           </complexType>
> 
> 
> 
> ---------------------------------------------
> 
> 
> Thanks!
> 
> 
> Regards,
> Alex Yiu
> 
>