[bv-dev] Data-driven execution for validation constraints

Emmanuel Bernard emmanuel at hibernate.org
Mon Jun 10 09:46:43 EDT 2013


On Mon 2013-06-10  9:45, Gunnar Morling wrote:
> 2013/6/7 Emmanuel Bernard <emmanuel at hibernate.org>
> > Note that the domain model could have use inheritance or composition to
> > naturally enforce the presence or not of attributes depending on the
> > model / role. It probably would be cleaner but is not always possible on
> > existing domain models.
> >
> 
> Yes, although I think even for newly created models it doesn't always make
> sense to differentiate roles of an entity via sub-classing/delegation, e.g.
> when the roles are dynamically retrieved from a database or similar.

Even from the database, you can map it as subclasses or delegation. I've
spent enough time in the ORM space to know that's actually a natural way
to do it ;)


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