floor.h

这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to program》第3版）

// floor.h
// Definition for class Floor.
#ifndef FLOOR_H
#define FLOOR_H

#include "floorButton.h"
#include "light.h"
#include "door.h"

class Elevator;                  // forward declaration
class Person;                    // forward declaration

class Floor {

public:
   Floor( int, Elevator & ); // constructor
   ~Floor();                 // destructor
   bool isOccupied() const;  // return true if floor occupied
   int getNumber() const;    // return floor's number

   // pass a handle to new person coming on floor
   void personArrives( Person * const );

   // notify floor that elevator has arrived
   Person *elevatorArrived();

   // notify floor that elevator is leaving
   void elevatorLeaving();

   // notify floor that person is leaving floor
   void personBoardingElevator();

   static const int FLOOR1;
   static const int FLOOR2;
   FloorButton floorButton;   // floorButton object

private:
   const int floorNumber;     // the floor's number
   Elevator &elevatorRef;     // pointer to elevator
   Person *occupantPtr;       // pointer to person on floor
   Light light;               // light object
};

#endif // FLOOR_H

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