Hi
I'm struggling with a problem that I *think* AspectJ might be able to help me
with, but I'm not sure so I was hoping someone could give me some advice.
I want to be able to change the class that a certain class' superclass extends,
if that makes sense? So (in terms that I understand) I might have Dog, which
extends AbstractCreature, which in turn extends Mammal.
However alongside Dog, I now want to add 'Shark' which I still want to extend
AbstractCreature (because it has some useful functionality). But, this time, I
want to change the class that AbstractCreature extends to 'Fish', rather than
Mammal. Like this:
Dog <-- AbstractCreature <-- Mammal
Shark <-- AbstractCreature <-- Fish
So basically if AbstractCreature is being subclasses by a dog, it should extend
Mannal, or if by Shark, it should extend Fish.
I'm hoping there's a magical inter-type declaration annotation (or even better
a Spring/AspectJ annotation, something like @DeclareParents perhaps) that I can
add to both Dog and Shark.
I would really appreciate any help anyone can give me on this. My real world
example is some really complex code that I don't want to duplicate/mess with
too much, so AOP would seem to be a perfect solution.
If its of any use, in my real world example, Shark extends Fish directly, but I
need to modify it so Shark now extends AbstractCreature, and then (ultimately)
Fish, not Mammal.
Thanks
Richard
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