量化交易之设计模式篇 - 责任链模式

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

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

/*
 * 责任链模式
 */
class Request {
public:
    string m_content;
    int m_number;
};

class Manager {
public:
    Manager(string temp) {
        this->name = temp;
    }
    void setSuccessor(Manager* temp) {
        this->manager = temp;
    }
    virtual void getRequest(Request* request) = 0;

protected:
    Manager* manager;
    string name;
};

class CommonManager: public Manager {
public:
    CommonManager(string str): Manager(str) {}
    virtual void getRequest(Request* request) {
        if (request->m_number >= 0 && request->m_number < 10) {
            std::cout << this->name << "deal " << request->m_number << std::endl;
        } else {
            manager->getRequest(request);
        }
    }
};

class MajorDemo: public Manager {
public:
    MajorDemo(string str): Manager(str) {}
    virtual void getRequest(Request* request) {
        if (request->m_number >= 10) {
            std::cout << this->name << "deal " << request->m_number << std::endl;
        }
    }
};


int main() {

    Manager* common = new CommonManager("manager zhang");
    Manager* major = new MajorDemo("manager zhang");

    common->setSuccessor(major);

    Request* request = new Request();
    request->m_number = 33;
    common->getRequest(request);

    request->m_number = 3;
    common->getRequest(request);

    return 0;
}