桥接模式

#include "stdafx.h"
#include <iostream>
using namespace std;

class Implement
{
public:
	virtual ~Implement(){}
	virtual void OperationImp() = 0;
};

class ConcreteImplementA:public Implement
{
public:
	virtual void OperationImp()
	{
		cout << "ConcreteImplementA" << endl;
	}
};

class ConcreteImplementB:public Implement
{
public:
	virtual void OperationImp()
	{
		cout << "ConcreteImplementB" << endl;
	}
};

class Abstraction
{
public:
	virtual ~Abstraction()
	{
		delete m_pImplement;
	}
	virtual void Operation() = 0;
	void SetImplement(Implement* implement)
	{
		m_pImplement = implement;
	}
	Implement* GetImplement()const
	{
		return m_pImplement;
	}
private:
	Implement* m_pImplement;
};

class RedefinedAbstraction :public Abstraction
{
public:
	virtual void Operation()
	{
		GetImplement()->OperationImp();
	}
};

#include "stdafx.h"
#include "Bridge.h"


int _tmain(int argc, _TCHAR* argv[])
{
	Abstraction* abstrastion = new RedefinedAbstraction();
	abstrastion->SetImplement(new ConcreteImplementA());
	abstrastion->Operation();

	abstrastion->SetImplement(new ConcreteImplementB());
	abstrastion->Operation();
	getchar();
	return 0;
}