floor.cpp

这是一个模拟电梯的程序

#include<iostream>

using std::cout;
using std::endl;

#include"floor.h"
#include"person.h"
#include"elevator.h"
#include"door.h"

const int Floor::FLOOR1=1;
const int Floor::FLOOR2=2;

Floor::Floor(int number,Elevator &elevatorHandle)
    : floorButton(number, elevatorHandle),
	floorNumber(number),
	elevatorRef(elevatorHandle),
	occupantPtr(0),
	light(floorNumber)
{
	cout<<"floor"<<floorNumber<<"constructed"<<endl;
}

Floor::~Floor()
{
	delete occupantPtr;
	cout<<"floor"<<floorNumber<<"destructed"<<endl;
}

bool Floor::isOccupied() const
{
	return(occupantPtr !=0);

}

int Floor::getNumber() const
{
	return floorNumber;
}

void Floor::personArrives(Person * const personPtr)
{
	occupantPtr=personPtr;
}

Person * Floor::elevatorArrived()
{
	cout<<"floor"<<floorNumber
		<<"reset its button"<<endl;

	floorButton.resetButton();
	light.turnOn();

	return occupantPtr;

}

void Floor::elevatorLeaving()
{
	light.turnOff();
}

void Floor::personBoardingElevator()
{
	occupantPtr=0
}