From: Gary Yngve <gary.yngve@...>
Date: 2009-08-01T06:18:48+09:00
Subject: Re: how to stop the subclass from overriding a method.

Are you trying to prevent overriding a method from the security
standpoint or the software engg standpoint?

If the latter, you can use rspec to code tests that fail if certain
methods have been overridden.