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From Nicolás Lichtmaier <>
Subject Re: Creating a new scoring filter.
Date Tue, 27 Feb 2007 20:35:57 GMT

> I didn't understand the point of creating abstract base classes for
> plugins. I am not strictly opposing it or anything, I just don't see
> why it would make things simpler/more flexible. AFAICS, there is not
> much an abstract base class can do but to pass the arguments of
> assignScores to calculateScore/distributeScoreToOutlinks. I mean, here
> is how I envision a ContentBasedScoringFilter class(or a
> DistributingScoringFilter):
> abstract class ContentBasedScoringFilter implements ScoringFilter {
>   assignScores(args) { return calculateScore(args);  }
>   protected abstract calculateScore(args);
> }
> Or do you have something else in mind?

Yes, something like that. But I also thought that if you don't want to 
repeat the logic of traversing through links (with all the logic which 
is now in ParseOutputFormat), that logic could be in an abstract class 
which would just traverse them and call an abstract function for each one.

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