I have a service CFC that calls my dao CFC a lot. Currently, I just pass
in an object of the dao to the service's init() method and save it to the
variables scope to be used throughout the service. But, I'm wondering if I
would be better off having my service CFCs extend their dao's instead.
A service object is a service object and a DAO is a DAO. They are two very
different objects that serve two very different purposes in an application.
Prefer composition over inheritance. In other words, keep doing what
you're doing there (injecting the DAO).
On Jan 29, 2013 8:37 AM, Eric Cobb
As usual, Matt Quack is spot on.
I just wanted to add that extending is an IS-A relationship. If your
service extended a DAO, you would say your service is a DAO. That's why
Matt said they are very different objects. Is your service an object that
talks directly to a database? No, it probably
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