A coupling metric that only counts classes which the base class invokes a method

[aaghamohammadi]

Hello,

I find a conflict between your implementation of CBO and the definition of the original CK paper. In the paper, authors say "CBO for a class is a count of the number of other classes to which it is coupled where two classes are coupled if methods declared in one class use methods or instance variables defined by the other class."

[mauricioaniche]

Yes. I think that's an outdated definition. To me, if you have a link between class A and class B, there's coupling. That can be realised by, e.g., defining a list of type A, but never invoking A.

But one might want to know the coupling only about methods that are invoked in other classes. I'll rename this issue and leave it for someone who's willing to implement it!