#include #include #include using namespace std; class IEmployee { public: virtual void getInfo() = 0; IEmployee(string name,int id) : m_strName(name), m_intId(id) {} protected: string m_strName; int m_intId; }; class Developer : public IEmployee { public: Developer(string name, int id) : IEmployee(name,id) {} void getInfo() override { cout << "A developer ---> Name : " << m_strName << " ---> ID : " << m_intId << endl; } }; class QA : public IEmployee { public: QA(string name, int id) : IEmployee(name, id) {} void getInfo() override { cout << "A QA ---> Name : " << m_strName << " ---> ID : " << m_intId << endl; } }; class ITEngg : public IEmployee { public: ITEngg(string name, int id) : IEmployee(name, id) {} void getInfo() override { cout << "A ITEngg ---> Name : " << m_strName << " ---> ID : " << m_intId << endl; } }; void GetInfoOfAllOnConsole(vector>& vecEmployees) { for (auto& employee : vecEmployees) employee->getInfo(); } class IHeadQuarterEmployee { public: virtual string getRole() = 0; string getName() { return m_strName; } int getId() { return m_intId; } IHeadQuarterEmployee(string name, int id) : m_strName(name), m_intId(id) {} protected: string m_strName; int m_intId; }; class ITEnggHQ : public IHeadQuarterEmployee { public: ITEnggHQ(string name, int id) : IHeadQuarterEmployee(name, id) {} string getRole() override { return "A ITEngg from HQ"; } }; class DeveloperHQ : public IHeadQuarterEmployee { public: DeveloperHQ(string name, int id) : IHeadQuarterEmployee(name, id) {} string getRole() override { return "A Developer from HQ"; } }; class IEmployeeAdapter : public IEmployee { shared_ptr m_ptrEmployee; public: IEmployeeAdapter(shared_ptr ptr) : IEmployee(ptr->getName(),ptr->getId()), m_ptrEmployee(ptr) {} void getInfo() { cout << m_ptrEmployee->getRole() << " ---> Name : " << m_ptrEmployee->getName() << " --->ID : " << m_ptrEmployee->getId() << endl; } }; int main() { //normal class working to get employee details shared_ptr Dev1 = make_shared("Ketan", 1); shared_ptr QA1 = make_shared("Karan", 2); shared_ptr IT1 = make_shared("Kalpesh", 3); //external application working on employee class { vector> vecEmployees = { Dev1,IT1,QA1 }; GetInfoOfAllOnConsole(vecEmployees); } //normal class working to get employee details from head quarter shared_ptr Dev11 = make_shared(" Amar ", 101); shared_ptr Dev12 = make_shared(" Akbar ", 201); shared_ptr IT11 = make_shared(" Anthony ", 301); cout << "--------------------------------------\n\n\n\n"; //external application now need to work with headquarter employee class. So we will not change head quarter class but will add adapter { vector> vecEmployees = { make_shared(Dev11),make_shared(Dev12) ,make_shared(IT11) }; GetInfoOfAllOnConsole(vecEmployees); } return 0; }

Adapter_Design