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Subject: Re: [sca-j] ISSUE 25 - Callback Simplification
- From: Simon Nash <NASH@uk.ibm.com>
- To: sca-j@lists.oasis-open.org
- Date: Thu, 27 Mar 2008 15:46:59 +0000
There's an update to this proposal at
http://www.oasis-open.org/apps/org/workgroup/sca-j/download.php/27733/JAVA-25-Proposal-2.doc
This version removes conversational
callbacks as all my attempts to define these involve more complexity than
is justified by the functional value of this capability.
Simon
Simon C. Nash, IBM Distinguished Engineer
Member of the IBM Academy of Technology
Tel. +44-1962-815156 Fax +44-1962-818999
Simon Nash/UK/IBM@IBMGB
20/03/2008 11:01
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| [sca-j] ISSUE 25 - Callback Simplification |
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Last week I took an action to produce a written up proposal for callback
simplification by today. I have uploaded this to the document repository
as
http://www.oasis-open.org/apps/org/workgroup/sca-j/download.php/27649/JAVA-25-Proposal.doc.
The content of this proposal corresponds to the "Callback Simplification"
section of the proposal sent out by Michael R, and does not address the
changes proposed in the "API Simplification" section. I
think it is best to have these discussions separately.
This proposal corresponds to what I was describing at the sca-j F2F with
two changes / additions:
1. Outstanding callbacks don't pin conversational objects after the conversation's
creator has ended the conversation.
2. In all cases, the caller of a bidirectional interface creates the callback
EPR that will be used (including any reference parameters needed).
I believe the issues that still need to be discussed and resolved are as
follows:
a) Should all 4 combinations of conversational and non-conversational forward
and callback interfaces be allowed, or only 2 of these?
b) Should the callback interface used to make callbacks to a conversation-scoped
component be marked as conversational?
c) Should each forward request within a conversation generate a unique
ID that is not part of business data and is returned with the callback?
Simon
Simon C. Nash, IBM Distinguished Engineer
Member of the IBM Academy of Technology
Tel. +44-1962-815156 Fax +44-1962-818999
Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number
741598.
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
3AU
Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number
741598.
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
3AU
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