// door.h
// Definition for class Door.
#ifndef DOOR_H
#define DOOR_H

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

class Door {

public:
   Door();                    // constructor
   ~Door();                   // destructor

   void openDoor( Person * const, Person * const,
                  Floor &, Elevator & ); 
   void closeDoor( const Floor & );    
   
private:
   bool open;                 // open or closed
};

#endif // DOOR_H