1.     Defining the Strategy and Context interfaces

    See collaborations
    1) In this case you might pass data that concrete strategy doesn't need
    2) & 3) Context must specify a more elaborate interface which increases
    coupling betweem the two classes
2.     Strategies as template parameters

 

 

   template <class Astrategy>
    class Context {
    void Operation() { theStrategy.DoAlgorithm(); }

    private:
        AStrategy theStrategy;
  }

    class MyStategy {
    public:
        void DoAlgorithm();
    };
 

    Context<MyStrategy> aContext;

}
 

3.     Make Strategy objects optimal

Limbo Example

All information is taken from the following source:

Erich Gamma, Richard Helm, Ralph Johnson and John Vlissides.  Design Patterns: Elements of
Object-Oriented Software.  Addison Wesley, Reading, 1995.

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