From: Robert Dober <robert.dober@...>
Date: 2006-12-03T18:03:24+09:00
Subject: Re: Factory pattern, abstract base class

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On 12/3/06, James Edward Gray II <james@grayproductions.net> wrote:
>
> On Dec 2, 2006, at 5:15 PM, Daniel Berger wrote:
>
> > Perhaps my whole approach is wrong.  What is the proper way to achieve
> > what I'm after (without resorting to making Bar a module)?
>
> This works, but is probably poor style:


Which would follow from one of the basic rules of OOP, if memory serves:
A Class does not know anything about its subclasses, be it abstract or not.
OP I suggest that you rethink your design, AFAIK that would not be very
flexible concerning new subclasses right?

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> James Edward Gray II
>
> Cheers
Robert


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