量化交易之设计模式篇 - 装饰模式

//
// Created by win10 on 2021/11/16.
//

#include <thread>
#include <iostream>
using namespace std;

class Person {
public:
    Person() {};
    virtual ~Person() {};

    Person(string name) {
        this->m_name = name;
    }

    virtual void show() {
        std::cout << "this->m_name: " << this->m_name << std::endl;
    }

private:
    string m_name;
};

// 装饰类
class Finery: public Person {
public:
    void decorate(Person* person) {
        this->m_person = person;
    }

    virtual void show() {
        this->m_person->show();
    }

protected:
    Person* m_person;
};

class TShirts: public Finery {
public:
    virtual void show() {
        std::cout << "TShirts" << std::endl;
        this->m_person->show();
    }
};

class BigTrouser: public Finery {
public:
    virtual void show() {
        std::cout << "BigTrouser" << std::endl;
        this->m_person->show();
    }
};


int main() {

    Person* person = new Person("tqz");
    TShirts* tShirts = new TShirts();
    BigTrouser* bigTrouser = new BigTrouser();

    bigTrouser->decorate(person);
    tShirts->decorate(bigTrouser);
    tShirts->show();

    return 0;
}