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From Peter Donald <pe...@apache.org>
Subject Re: [RT] SOC & Meta Information
Date Wed, 04 Sep 2002 13:39:44 GMT
On Wed, 4 Sep 2002 21:22, Peter Donald wrote:

> > What I like about making services and components full meta types is
> > summed
> > up in two aspects: Service resolution and Service management interface
> > publication.  We had talked in the past regarding attributes helping the
> > container distinguish between multiple service implementations.  However
> > there was no real way to validate the attributes, or use them in an
> > automated fashion.  Here is what a service definition would allow us
> > to do:
> I attributes slightly differently but I have similarly come up against the
> limitations (lack of validation/definition).
> Anyways I tend to think of attributes as aspects rather than features of a
> artefact. So I tend to think in terms of saying things like "Apply these
> (persistence|transaction|remoting|security|instrumentation) attributes to
> the method/interface/component etc." However you are marking them as
> helping the selection criterion be narrowed for a component and so forth?
> For an example I have attached the set of attributes I have attempted to
> boil down that are essentially container independent. The list used to
> contain many more but I have moved them to different categories;
> * toolkit specific (ie altrmi:*)
> * container specific (ie phoenix:*)
> * aspect specific (mx:*, persist:*) (Though I have barely looked at this
> side of things)
> Anyway take a look at the list to see what I mean.

And this time I made it into a jar so the list manager will not strip it.


Peter Donald
 militant agnostic: i don't know, and you don't know either.

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