On Nov 28, 2007 11:31 AM, Simon Nash <[EMAIL PROTECTED]> wrote:

> I'm trying to work out what domain level autowiring would mean.
> Having a target assigned dynamically according to a set of rules
> opens up the possibility that the service chosen would not be the
> one expected.  The other approach is to have a service registry
> that could be queried using some other metadata.  My first reaction
> was that an explicit query would be more flexible, but perhaps
> these approaches come to the same thing and it's just a matter of
> where the lookup metadata is held.  This would be a good topic to
> raise in the OASIS SCA spec group.
>
>   Simon
>
> Simon Laws wrote:
>
> > Should autowiring work at the domain level? It doesn't at the moment.
> It's
> > only considered within a contributed composite. To autowire at the
> domain
> > level we have to adjust the way that service endpoints and references
> are
> > matched, i.e. extend the process to looking at interfaces and policies.
> >
> > In line with moving the registration and lookup code out of the SCA
> binding
> > [1] I'm thinking about tidying the code in this area to make future
> > reliability scenarios easier to cope with (by making sure all the
> processing
> > is in one place with a clear services of associated events) so now would
> be
> > a good time to cover other outstanding issues. I think the outstanding
> > things are
> >
> > Domain level wire elements in stand alone composites.
> > Domain level autowiring
> >
> > Are there any more that people can think of?
> >
> > Regards
> >
> > Simon
> >
> > [1]
> http://www.mail-archive.com/tuscany-dev%40ws.apache.org/msg25636.html
> >
>
>
>
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> Yes, I'm not particularly a fan of autowiring myself as it seems to bring
potentially non-deterministic behaviour but the specs include this feature
at 1.0 so it would be interesting to hear the justification/scenarios.

Regards

Simon

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