/////////////////////////////////////////////////////////////////////
// Class2.cpp - has a mutual dependency relationship with Class1   //
//                                                                 //
// Jim Fawcett, CSE687 - Object Oriented Design, Fall 2018         //
/////////////////////////////////////////////////////////////////////

#include <iostream>
#include "Class2.h"
#include "Class1.h"

Class2::Class2()
{
  std::cout << "\n  instance of Class2 created";
}

Class2::~Class2()
{
  // don't need to delete pClass1 - std::shared_ptr takes care of that

  std::cout << "\n  instance of Class2 destroyed";
}

void Class2::registerClass1(std::shared_ptr<Class1> pClass1)
{
  pClass1_ = pClass1;
}

void Class2::say(bool otherSay)
{
  std::cout << "\n  Hi from instance of Class2";
  if (otherSay && pClass1_ != nullptr)
  {
    std::cout << "\n  my aggregated Class1 member says: ";
    pClass1_->say(false);  // false prevents infinite recursion
  }
}