[news.eclipse.tools.emf] Re: Proxies of abstract classes?

[Ed Merks <Ed.Merks@xxxxxxxxx>]

Eike,

In theory it could do that, but in practice one doesn't know the 
subclasses of a class so this isn't done in practice.


Eike Stepper wrote:
> Guys,
>
> Wasn't this the case where EMF uses one arbitrary, but concrete,
> subclass of the abstract target type to create a proxy instance?
>
> Cheers
> /Eike
>
> ----
> http://thegordian.blogspot.com
>
>
>
> Ed Merks schrieb:
>   
> > Martin,
> >
> > We can't create a proxy for an abstract class.  There must be an
> > xsi:type (or a QName in the list) if the type of the feature is abstract.
> >
> >
> > Martin Taal wrote:
> >     
> > > Hi Ed,
> > > A question, how does EMF create a proxy object when the ereference
> > > points to an abstract eclass? I mean the proxyurl or xml does not
> > > necessarily contain the actual concrete eclass of the referenced
> > > instance (or does it...).
> > >
> > >