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Subject: Re: [wsbpel] Issue - 92 - Proposal for vote

Hi, DK

I am agree with your proposal, generally speaking.

There are few things/questions I would to mention/ask:
(a) BPEL's current convention is using "yes" or "no" (bpws:tBoolean) 
instead of "true" or "false" (xsd:boolean).

(b) Does this proposal mean ALL BPEL extension points 
(element/attribute) MUST be always declared with this syntax? Otherwise, 
the BPEL implementation should reject the process.

I presume the answer is yes by reading the implication of the text. It 
would be nice to have explicit text on that.

(c) I presume the <extension> related syntax does not have its own 
extension points. (e.g. location of extension definition). Again 
explicit text on this would be appreciated.


Alex Yiu

Dieter Koenig1 wrote:

>Proposed resolution for Issue 92:
>A new subelement of the process root element is used to declare extensions
>used in the process and specify whether they must be understood by the
>BPEL runtime.
>This declaration provides information needed by the process deployer in
>order to decide whether a BPEL process containing language extensibility
>elements can be executed by the runtime.
>Add text to section 6.2. The Structure of a Business Process
>   <process ...>
>      ...
>      <extensions>?
>         <extension namespace="anyURI" mustUnderstand="true|false"/>+
>      </extensions>
>      ...
>   </process>
>Add text to section 6.3. Language Extensibility
>   The "extensions" subelement of the process is used to declare all
>   namespaces of BPEL extension attributes/elements and indicate
>   whether they carry runtime semantics that must be understood by
>   the BPEL runtime.
>   If the runtime does not support one or more of the extensions with
>   mustUnderstand="true", then the process MUST NOT be deployed.
>   Extensions declared with mustUnderstand="false" MAY be ignored by the
>   runtime.
>Kind Regards
>To unsubscribe from this mailing list (and be removed from the roster of the OASIS TC), go to http://www.oasis-open.org/apps/org/workgroup/wsbpel/members/leave_workgroup.php.

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