/////////////////////////////////////////////////////////////////////////
//  facade.cpp - implements interface methods                          //
//                                                                     //
//  Demonstrates use of a facade class that implements an interface's  //
//  methods, using services of several product classes.                //
//                                                                     //
//  Jim Fawcett, CSE687 - Object Oriented Design, Spring 2001          //
/////////////////////////////////////////////////////////////////////////

#include <iostream>
#include "facade.h"
using namespace std;

//----< void constructor >-----------------------------------------------

facade::facade() : _request(), _reply() { 

  cout << "\n  constructing facade";

  // tell request how to communicate with reply

  _request.Register(&_reply);
}

//----< destructor >-----------------------------------------------------

facade::~facade() { cout << "\n  destroying facade"; }


//----< a method solely implemented by facade >--------------------------

void facade::hello() { cout << "\n  Hello.  This is the facade class."; }


//----< reply method delegates its action to replyProduct >--------------

std::string facade::reply() { return _reply.reply(); }


//----< request method delegates its action to requestProduct >----------

void facade::request(const std::string &req) { _request.request(req); }