I have a problem that I'm not sure of the best approach to take. I have a base class that has two sub-classes that inherit from it:
B has similar functionality to A. A returns some data, B writes the data to a file, but in a different format than the data returned from A. Under some circumstances, the data written to the file from B is in the exact same format as the data returned from A.
However, I don't want B to inherit A's methods as I don't want the user accessing them from the object. In other words, I might have
What I don't want is
But that happens if I inherit from A, unless I write a bunch of methods to trap those calls and let the user know they shouldn't do that.
The alternative seems to be having B instantiate an A object, but having subclasses instatiating instances of each other strikes me as problematic. I keep up that habit and I might start winding up with circular references that I'll have to explicitly destroy.
Summary: two options that I see:
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