design pattern -- facade pattern

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// Facade.cpp : Defines the entry point for the console application.
// author: chillyc
// email: chillycreator @t gmail.com
#include<iostream>
namespace pattern{
/// this pattern is facade pattern
/// facade pattern is for hiding relationship and behavior of inner classes .
/// client or outer class should only connect with facade class.
/// But it will not forbid accessing inner classes.
#ifndef INNERA_H
#define INNERA_H
class Inner_A{
public:
void Do(){std::cout<<"A"<<std::endl;}
};
#endif
#ifndef INNERB_H
#define INNERB_H
class Inner_B{
public:
void Do(){std::cout<<"B"<<std::endl;}
};
#endif
#ifndef FACADE_H
#define FACADE_H
class Facade{
private:
Inner_A* a;
Inner_B* b;
public:
Facade(){
a = new Inner_A();
b = new Inner_B();
}
void Do(){
a->Do();
b->Do();
}
~Facade(){
delete a;
delete b;
}
};
#endif
}
int main()
{
pattern::Facade f;
f.Do();
return 0;
}