// ********************************************************
// Header file QueueA.h for the ADT queue.
// Array-based implementation.
// ********************************************************
#include "QueueException.h"
#include "Object.h"

const int MAX_QUEUE = 100;

class Queue
{
public:
// constructors and destructor:
   Queue();  // default constructor
   // copy constructor is supplied by the compiler
   ~Queue();

// Queue operations:
   bool isEmpty() const;
   void enqueue(Object* newItem) throw(QueueException);
   Object* dequeue() throw(QueueException);
   void dequeueAll();
   const Object* peek() const throw(QueueException);

private:
   Object*       items[MAX_QUEUE];
   int           front;
   int           count;
};  // end Queue class
// End of header file.