Re: Problem applying generics to my code. Is there a better solution?

From:
"Daniel Pitts" <googlegroupie@coloraura.com>
Newsgroups:
comp.lang.java.programmer
Date:
6 Apr 2007 08:50:26 -0700
Message-ID:
<1175874626.662640.205240@d57g2000hsg.googlegroups.com>
On Apr 5, 6:49 pm, "Lucas" <lscha...@gmail.com> wrote:

Daniel,

Thank to you suggestion, I have a functional prototype that I've
included in this post. One question: In order for each class to
dispatch properly, *every* class has to implement the visit() method.
If there are subclasses that inherit from a parent class, the generic
posterior() class in the abstract Distribution class is invoked which
leads to an infinite loop.

It's just syntactic sugar, but is there a way to get around this
problem? The only solution I could come up with is that the abstract
class would have to implement a posterior() method for every class
that extends Distribution, which is not feasible since new
Distribution sub-classes will be created.

Anyway, thanks for the insight. Couldn't have gotten to this point
without eveyone's help.


I think the solution to this, or at least a way to avoid bugs, is to
call the generic method by a different name altogether, rather than
use the same name. That way, if someone doesn't implement something
correctly, they'll get a compiler error instead of a run-time bug.

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