[Zope3-dev] EventService, references, and subscription semantics

[Ken Manheimer]

On Mon, 25 Feb 2002, Steve Alexander wrote:

> Shane Hathaway wrote:
> 
> > class IReference (Interface):
> >     """Provides a way to find an object without necessarily keeping a
> >     strong reference."""
> > 
> >     def dereference(context):
> >         """Returns the referenced object."""
> 
> <deletia>
> 
> > The nice thing is you can encapsulate both strong and weak references 
> > this way.  The reference could hold an absolute path, a relative path, 
> > the object itself, a URL, a database query, etc.
> 
> The nice thing with Zope 3 is that we can define an IReferenceLookup 
> utility, so we can ask for an IReference adapter for a particular 
> object, and get an appropriate IReference.
> 
> Hmmm... this could work well with the EventChannel and ObjectHub.

Yes!

-- 
Ken
klm@zope.com