Re: Mixing OO and DB

From: Robert Martin <unclebob_at_objectmentor.com>
Date: Thu, 14 Feb 2008 10:06:47 -0600
Message-ID: <2008021410064743658-unclebob_at_objectmentorcom>


>> Well, circle is indeed an ellipse.

Yes. But a program that represents all circles does not necessarily represent all ellipses.

The fact that a program p represents an entity e, where e is a subset of a larger set S, does not mean that p is a subset of the programs that represent S.

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Robert C. Martin (Uncle Bob)  | email: unclebob_at_objectmentor.com
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Received on Thu Feb 14 2008 - 17:06:47 CET

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