Re: Schema provider/CA lookup status

On Fri, 2006-07-28 at 18:34 -0500, whit wrote:
> Roché Compaan wrote:
> > On Fri, 2006-07-28 at 08:52 +0100, Martin Aspeli wrote:
> >> Roché Compaan wrote:
> >>
> >>> Lovely! Very nice and simple. I also like the name change from Variable
> >>> to Extensible.
> >> Bear in mind it's slightly different - it uses an adapter to 
> >> ISchemaExtender to extend the schema. This is meant to let third party 
> >> products plug in new schema elements. It doesn't really handle the case 
> >> when the schema is changed TTW, for example (which ATSENG does, though). 
> >> Still, if you want a different algorithm inside the Schema() method, it 
> >> should work the same.
> > 
> > I would probably just override the Schema() method on classes that need
> > ATSENG, or have a mix in class for schemas that need to be managed TTW.
> 
> <cough>
> 
> can we do this without mixins?

What do suggest? At the moment I override Schema on the classes where I
need to get a schema from ATSENG. If one wants to generalise this then a
mixin is one possible approach. I suppose this is possible using an
adapter as well? Can you show us how :-)

-- 
Roché Compaan
Upfront Systems                   http://www.upfrontsystems.co.za


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