Re: What databases have taught me
Date: 28 Jun 2006 08:47:22 -0700
Robert Martin wrote:
> On 2006-06-23 11:10:25 -0700, "Aloha Kakuikanu"
> <aloha.kakuikanu_at_yahoo.com> said:
> > Order.cancel()? This is really about canceling a transaction. You have
> > to study transaction management in order to implement this
> > functionality correctly. Inheritance and polymorphish doesn't help
> > here, sorry.
> Again, this depends. If there are several different types of customer
> (e.g. GovernmentContractor, privateContractor, foreignContractor) you
> might find that each of these different types must follow a different
> procedure in order to cancel an order.