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Subject: Re: [sca-c-cpp] NEW ISSUE: Clarify Request Scope lifetime

This issue has been assigned id CCPP-37 in the Jira system.
See http://www.osoa.org/jira/browse/CCPP-37



Andrew Borley
Websphere ESB Development
Tel: 245393 Ext: +44 (0) 1962 815393 Mob: +44 (0) 7971 805547
E-mail: borley@uk.ibm.com
Mailpoint 211, IBM (UK) Ltd, Hursley Park, Winchester, Hants, SO21 2JN

Bryan Aupperle <aupperle@us.ibm.com>

07/03/2008 18:00

[sca-c-cpp] NEW ISSUE: Clarify Request Scope lifetime

TARGET: SCA C++ and C Specification sections titled "Request Scope"  (2.3.2 of WD 04)


The section currently contains the following sentence:

"The lifecycle of request scope extends from the point a request on a remotable interface enters the SCA runtime and a thread processes that request until the thread completes synchronously processing the request."

From this description, it is not clear whether the request scope lasts through a remotable call to another component that happens to be local. In one possible interpretation it would depend on the binding. A call through a web service binding would be seen as changing threads, and therefore would be a new request scope. The same call through an SCA binding might be assumed to remain within the thread and therefore be within the same scope.

It is probably a bad idea for the scope to depend on the binding that is used, and it may even be a bad idea for the scope to depend on whether a call through a remotable interface _happens_ to be local.


None yet - wait on Assembly TC action.

Bryan Aupperle, Ph.D.
STSM, WebSphere Enterprise Platform Software Solution Architect
Master Inventor

Research Triangle Park,  NC
+1 919-254-7508 (T/L 444-7508)
Internet Address: aupperle@us.ibm.com

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