On Monday, 14 January 2013 13:34:29 UTC-5, Guilherme Reis wrote:
> i could put :if => proc { |record| record.type == 'C' } on the validations
> and put the validations at A class. But it wouldn't make sense to have the
> subclasses. The difference basically of B and C is only in the validation
> behavior. (I have many validations on both types)
>
Are you positive A, B and C should really be separate classes? The fact
that there are transitions that change classes makes it sound a lot like
there's really a statemachine here, not a class hierarchy...
--Matt Jones
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