#include <iostream>
using namespace std;
typedef const char * string;

class Abstraction{
  public:
    virtual void Operation()=0;
};
class Bridge{
   public:
    virtual void OperationImp()=0;
};

class AbstractionX:public Abstraction{
    Bridge *bridge;
  public:
    AbstractionX(Bridge& implementation){
      bridge = &implementation;
    }
    void Operation(){
      cout<<"AbstractionX"<<" <<< BRIDGE >>>> ";
	  bridge->OperationImp();
    }
};
class AbstractionY : public Abstraction{
    Bridge *bridge;
  public:
 	AbstractionY(Bridge& implementation){
        bridge = &implementation;
    }
    void Operation(){
        cout<<"AbstractionY"<<" <<< BRIDGE >>>> ";
		bridge->OperationImp();
    }
};


class ImplementationA:public Bridge{
  public:
 	void OperationImp(){
      cout<<"ImplementationA"<<endl;
    }
};

class ImplementationB:public Bridge{
  public:
 	void OperationImp(){
      cout<<"ImplementationB"<<endl;
    }
};
    
int main(){
    cout<<"Bridge Pattern"<<endl;
    ImplementationA	A;
    ImplementationB	B;
    Abstraction *ia = new AbstractionX(A);
    ia->Operation();
    delete ia;
    ia = new AbstractionY(B);
    ia->Operation();
    delete ia;
    return 0;
}