[ http://issues.apache.org/jira/browse/TUSCANY-706?page=all ]
Ignacio Silva-Lepe updated TUSCANY-706:
---------------------------------------
Attachment: RevisedCallbackChainsCorrelationAndRouting.patch
At issue creation time, it is possible to attach a file but there does not seem
to be a way to grant a license to the attachment, so I do that now.
> Revised approach for callback invocation chains, callback correlation and
> routing
> ---------------------------------------------------------------------------------
>
> Key: TUSCANY-706
> URL: http://issues.apache.org/jira/browse/TUSCANY-706
> Project: Tuscany
> Issue Type: Improvement
> Components: Java SCA Core
> Affects Versions: Java-Mx
> Reporter: Ignacio Silva-Lepe
> Assigned To: Ignacio Silva-Lepe
> Fix For: Java-Mx
>
> Attachments: RevisedCallbackChainsCorrelationAndRouting.patch,
> RevisedCallbackChainsCorrelationAndRouting.patch
>
>
> A revised approach is provided for callback invocation chains. Source
> callback chains, which used to be located in outbound wires, are now located
> in inbound wires. In addition, since more than one outbound wire can be
> connected to an inbound wire, it is necessary to maintain one source callback
> chain per operation per target outbound wire. This is maintained by an
> inbound wire in a table keyed by outbound wire container 'address' (currently
> SCAObject name).
> In addition, correlation and routing of callback messages needs to take into
> account this revised callback chain approach. As a starting approach, a
> routing table is maintained by an inbound wire that maps message ids to
> target outbound wire container addresses. A forward message carries with it a
> message id that becomes the corresponding callback message's correlation id.
> This allows a callback message to be correlated with the source callback
> chain whose target outbound wire originated the forward message.
> The attached patch implements the revised callback invocation chain approach,
> callback correlation and routing. It passes all core test cases and the
> simple callback sample. In addition, it was necessary to make a couple of
> changes to the groovy container. The patch passes all groovy test cases, but
> more extensive testing of the groovy container may be appropriate.
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