Re: [sca-j] Action Item 2008-11-11-7: Propose a delta on JAVA-25for message correlation on callbacks

Mark,
I agree with your proposal that we not provide any infrastructure
support for correlating callbacks at this time, for the reasons
that you have given.

Regarding the third reason, the purpose of this action item was
to give us confidence that there is an upwards compatible path
forward from the current specification for adding this support
in a future specification, if we should feel that necessary.

Have you considered any ways in which this might be done?  Do you
feel confident that it would be possible to do this without
breaking compatibility?

   Simon

Mark Combellack wrote:
> Hi,
> 
>  
> 
> I have an action item to propose a delta on the changes for JAVA-25 to 
> add support for message correlation on call backs.
> 
>  
> 
>  
> 
> I would like to propose that we do not provide any infrastructure 
> support for correlating call backs at this time.
> 
>  
> 
> The reasons for this include:
> 
>  
> 
>     * We would need to make ServiceReferences mutable. This would undo
>       the good work done by Issues 25, 9, 19, 10 and others that made
>       them immutable.
>     * It is already possible to do correlation of call backs if it is
>       required by using application data (i.e. pass some form of
>       correlation ID in the business data)
>     * Not implementing this now does not preclude it from being added to
>       later versions of the specification if there is a proven need for
>       this feature.
> 
>  
> 
> This now completes my action item.
> 
>  
> 
> Thanks,
> 
>  
> 
> Mark
> 
> Mark Combellack| Software Developer| Avaya | Eastern Business Park | St. 
> Mellons | Cardiff | CF3 5EA | Voice: +44 (0) 29 2081 7624 | 
>  <mailto:|>
> 
>  
>