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Subject: RE: [wsbpel] Groups - Reversible and Permeable Scopes v2.ppt uploaded
Yaron, It is not our intention to propose an explicit permeability attribute. The last bullet in slide 5 may have misled you. (Im)permeability is merely a part of the proposed semantic of reversible scopes. All non-reversible scopes are implicitly permeable. And it is proposed that serializable scopes are always reversible and hence impermeable. So there is exactly one new attribute: reversible. Process designers will have to decide whether a scope is reversible, unless of course they actually attach a fault handler or compensation handler to it, in which case the decision is made for them. I also have a preference for making reversible="yes" the default. In that case all processes based on the previous specification checkpoints will continue to have the semantics they already do. Does that help? Satish -----Original Message----- From: Yaron Y. Goland [mailto:ygoland@bea.com] Sent: Thursday, March 18, 2004 1:54 PM To: Satish Thatte Cc: wsbpel@lists.oasis-open.org Subject: Re: [wsbpel] Groups - Reversible and Permeable Scopes v2.ppt uploaded Do you believe that the planning capabilities of the average programmer are sophisticated enough to be able to distinguish when and where they should use permeable versus reversible scopes? What use cases would we loose if we were to ban permeable scopes? I realize that my own thinking here is primitive and that it is unfair to judge a proposal based on a slide deck so please consider my questions as attempts to understand what is being proposed rather than counter proposals. Thanks, Yaron satisht@microsoft.com wrote: > The document Reversible and Permeable Scopes v2.ppt has been submitted by Satish > Thatte (satisht@microsoft.com) to the OASIS Web Services Business Process > Execution Language TC document repository. > > Document Description: > A proposal for solving issues 1 and 10, to be discussed at the next face to face > meeting in Walldorf. > > Download Document: > http://www.oasis-open.org/apps/org/workgroup/wsbpel/download.php/5972/Re versible%20and%20Permeable%20Scopes%20v2.ppt > > > View Document Details: > http://www.oasis-open.org/apps/org/workgroup/wsbpel/document.php?documen t_id=5972 > > > PLEASE NOTE: If the above links do not work for you, your email application > may be breaking the link into two pieces. You may be able to copy and paste > the entire link address into the address field of your web browser. > > > > 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_workgr oup.php. >
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