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Decorator Design Pattern in Delphi. Single decoration

Yanniel's notes – Decorator (also referred as Wrapper) is classified by GoF as a structural pattern. Its purpose is to:“Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative to subclassing for extending functionality.”   Both inheritance and the decorator pattern aim towards extending the functionality. This is what they have in common. There are a couple of remarkable differences:Inheritance extends the functionality at compilation time (statically). The decorator pattern extends the functionality at runtime (dynamically). Inheritance extends the ...
Favorite? Off-Topic? Yanniel @ 2011-08-26 15:57


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