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Subject: Issue 218 - Proposed spec text for Issue 218



Reposting with correct format for subject to allow issue list linkage.

Regards, Diane
IBM  Emerging Internet Software Standards
drj@us.ibm.com
(919)254-7221 or 8-444-7221, Mobile: 919-624-5123, Fax 845-491-5709

----- Forwarded by Diane Jordan/Raleigh/IBM on 02/08/2006 01:31 PM -----
"Charlton Barreto" <cbarreto@adobe.com>

02/08/2006 09:57 AM

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<wsbpel@lists.oasis-open.org>
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Subject
[wsbpel] Proposed spec text for Issue 218





Below is my proposed spec text for Issue 218 for your review. Please provide me any feedback that you may have:
 
Proposed Spec Text Changes to resolve Issue 218
In Section 12.6, after paragraph 1:
Add: “The same isolation semantics apply to properties, being merely projections of variables and thus always coupled with them; access to properties is identical to access to variables, which is controlled by the enclosing isolated scope.”
In Section 12.6, after paragraph 3:
Add: “Any partnerLinks declared within an isolated scope have their access protected by that enclosing scope; the protection applies specifically to the endpointReference part, and not the messageExchange parts, of the partnerLink state. Any messageExchange declared in a scope serves only to provide a handle to access a facet of the state of its associated partnerLink; it is intrinsically stateless. The control afforded by the enclosing isolated scope does not apply to messageExchange handles. Rather, partnerLink states are protected based on the endpointReference.”
“By definition, correlation sets are only mutable at initialization; they are immutable throughout the remainder of their lifecycle. Any correlation sets declared within an isolated scope do not have their access controlled by the enclosing scope. However, the initialization of a correlation set declared within an isolated scope is performed in an atomic fashion – in the same sense as that of an <assign> operation – ensuring that the correlation set will not be initialized partially or wholly by multiple concurrent inbound message activities.”
-Charlton.
 
--

Charlton Barreto
Sr .Computer Scientist
Adobe Systems Incorporated
345 Park Avenue, MS E15
San Jose, CA 95110-2704 USA
408.536.4496 p  
415.692.5396 v
cbarreto@adobe.com


 



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