Re: [equinox-dev] RequiresBundle, ImportPackage and virtual providers

["Richard S. Hall" <heavy@xxxxxxxxxxxxxx>]

Neil Bartlett wrote:
> Peter,
>
> I have a tangential question about JSR 291. You said:
>
>   
> > Your virtual bundle creates a meeting point to break the coupling between
> > the client and the implementation. This is EXACTLY the purpose of the
> > service model.
> >     
>
> I agree with this of course, but given that JSR 291 does not intend to
> include the Service Layer, how will this decoupling be achieved in a
> runtime that is JSR 291-compliant but not OSGi R4-compliant?
>   

Nothing stops someone from implementing a service layer on top of 291, 
then you end up back where you started. :-)

> For that matter, why IS the Service Layer being excluded??
>   

Because people view it as more of a component layer thing than a module 
layer thing...rightly or wrongly.

> Sorry, perhaps this thread should be on osgi-dev rather than equinox-dev.

Maybe.

-> richard