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Re7: Aspect-Oriented Programming: Couple of Short Examples

by dragonchild (Archbishop)
on Aug 07, 2003 at 13:05 UTC ( #281870=note: print w/ replies, xml ) Need Help??


in reply to Re^6: Aspect-Oriented Programming: Couple of Short Examples
in thread Aspect-Oriented Programming: Couple of Short Examples

*laughs* Then I must've accidentally implemented a metaclass that does all my OO book-keeping for me. All my mutators are defined using closures over an array data structure whose reference is blessed. So, if I wanted to add logging to all mutators, I change the way the mutators are created. (In fact, I do this on a regular basis.)

My baseclass gives me access to doing things during:

  • Object instantiation
  • Mutator access
  • Attribute definition
  • Object initialization
What other actions do I need to provide traps for?

------
We are the carpenters and bricklayers of the Information Age.

The idea is a little like C++ templates, except not quite so brain-meltingly complicated. -- TheDamian, Exegesis 6

Please remember that I'm crufty and crochety. All opinions are purely mine and all code is untested, unless otherwise specified.


Comment on Re7: Aspect-Oriented Programming: Couple of Short Examples
Re^9: Aspect-Oriented Programming: Couple of Short Examples
by adrianh (Chancellor) on Aug 07, 2003 at 13:21 UTC
    Then I must've accidentally implemented a metaclass that does all my OO book-keeping for me.

    Me too ;-)

    However, it's nice to work in a language where you don't have to reinvent this wheel by yourself. With metaclasses you can do this sort of thing for all classes - rather than just the ones you have had the foresight to add a flexible base class to.

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