Bridge pattern (Bridging mode)

/*abstraction.h*/#ifndef Abstraction_h#define abstraction_hClass Abstractionimp;class abstraction{ Public:Virtual~Abstraction();Virtual voidOperation () =0;protected:Abstraction();Private:};class refinedabstraction: Publicabstraction{ Public:refinedabstraction(Abstractionimp *imp); ~refinedavstraction ();voidOperation ();protected:Private: Abstractionimp *imp_;};#endif 

/*Abstraction.cpp*/#include "Abstraction.h"#include "AbstractionImp.h"#include <iostream>Abstraction::Abstraction(){}Abstraction::~Abstraction(){}RefinedAbstraction::RefinedAbstraction(AbstractionImp *imp){    imp_=imp;}RefinedAbstraction::~RefinedAbstraction(){}void RefinedAbstraction::Operation(){    imp_->Operation();}

/*abstractionimp.h*/#ifndef Abstractionimp_h#define abstractionimp_hClass abstractionimp{ Public:Virtual~Abstractionimp();Virtual voidOperation () =0;protected:Abstractionimp();Private:};class Concreteabstractionimpa: Publicabstractionimp{ Public:Concreteabstractionimpa(); ~concreteabstractionimpa ();Virtual voidOperation ();protected:Private:};class CONCRETEABSTRACTIONIMPB: Publicabstractionimp{ Public:CONCRETEABSTRACTIONIMPB(); ~CONCRETEABSTRACTIONIMPB ();Virtual voidOperation ();protected:Private:};#endif 

/*abstractionimp.cpp*/#include"Abstractionimp. h"Abstractionimp:: Abstractionimp (){}Abstractionimp::~Abstractionimp(){}void Abstractionimp:: Operation (){  std::cout<<"Abstractionimp ..."<<std::endl;} Concreteabstractionimpa:: Concreteabstractionimpa (){}Concreteabstractionimpa::~Concreteabstractionimpa(){}void Concreteabstractionimpa:: Operation (){  std::cout<<"Concreteabstractionimpa ..."<<std::endl ; }CONCRETEABSTRACTIONIMPB:: CONCRETEABSTRACTIONIMPB (){}CONCRETEABSTRACTIONIMPB::~CONCRETEABSTRACTIONIMPB(){}void CONCRETEABSTRACTIONIMPB:: Operation (){  std::cout<<"CONCRETEABSTRACTIONIMPB ..."<<std::endl ; }

/*main.cpp*/#include "Abstraction.h"#include "AbstracionImp.h"int main(){    AbstractionImp *imp=new ConcreteAbstractionImpA();    Abstraction *abs=new RefinedAbstraction(imp);    abs->Operation();    return0;}

Bridge pattern (Bridging mode)