James M Snell wrote:

The motivation was to have a means of inserting an alternate
implementation of, say, FOMEntry that implemented custom behaviors
without having to create a new FOMFactory subclass.  However, the
approach is actually bit bogus (IMHO).

- James

Yup, I agree the approach was bogus :). We have an alternative means of doing this now, using delegation vs. subclassing, so this "feature" can be removed.

Rob

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