// Created by Ketan Lalcheta #include using namespace std; #include class Developer; class QA; class ITEngg; class INotification { public: virtual void apply(Developer* developer) {} virtual void apply(QA* qa) {} virtual void apply(ITEngg* itEngg) {} }; class IEmployee { public: virtual void getInfo() = 0; virtual void apply(INotification& notification) = 0; IEmployee(std::string name, int id) : m_strName(name), m_intId(id) {} protected: std::string m_strName; int m_intId; }; class Developer : public IEmployee { public: Developer(std::string name, int id) : IEmployee(name, id) {} void getInfo() override { std::cout << "A developer here.! Name : " << m_strName << " ID : " << m_intId << std::endl; } void apply(INotification& notification) override { notification.apply(this); } }; class QA : public IEmployee { public: QA(std::string name, int id) : IEmployee(name, id) {} void getInfo() override { std::cout << "A QA here.! Name : " << m_strName << " ID : " << m_intId << std::endl; } void apply(INotification& notification) override { notification.apply(this); } }; class ITEngg : public IEmployee { public: ITEngg(std::string name, int id) : IEmployee(name, id) {} void getInfo() override { std::cout << "A ITEngg here.! Name : " << m_strName << " ID : " << m_intId << std::endl; } void apply(INotification& notification) override { notification.apply(this); } }; class MockDrill : public INotification { public: void apply(Developer* developer) override { std::cout << "Got emergency notification and going to assembly area 1 : My details are : "; developer->getInfo(); } void apply(QA* qa) override { std::cout << "Got emergency notification and going to assembly area 2 : My details are : "; qa->getInfo(); } void apply(ITEngg* itEngg) override { std::cout << "Got notification but I am aware by management about mock drill and would continue critical maintenance : My details are : "; itEngg->getInfo(); } }; int main() { std::shared_ptr Dev1 = std::make_shared("Ketan", 1); std::shared_ptr QA1 = std::make_shared("Karan", 2); std::shared_ptr IT1 = std::make_shared("Kalpesh", 3); Dev1->getInfo(); QA1->getInfo(); IT1->getInfo(); MockDrill mockDrill; Dev1->apply(mockDrill); QA1->apply(mockDrill); IT1->apply(mockDrill); return 0; }

VisitorPattern