queue.h

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#ifndef _QUEUE_H
#define _QUEUE_H

#include "container.h"

using std::string;

namespace container {

class Queue: public Container {
public:

   const static Info * const TYPE_INFO;

protected:

   Queue();
   Queue(const Queue& orig);

public:

   virtual ~Queue();

   /*********************  Queue Methods (public) *********************/

   void enqueue(Entity* entity);

   Entity * dequeue();

protected:

   /*********************  Queue Methods (protected) *********************/

   virtual void enqueue_impl(Entity* entity) = 0;

   virtual Entity * dequeue_impl() = 0;

public:

   /*********************  Container Methods (public) *********************/

   int purgeContents();

private:

   /*********************  Container Methods (private - reduced visibility) *********************/

   inline void setCount(int c) {
      Container::setCount(c);
   }

   inline void incCount() {
      Container::incCount();
   }

   inline void decCount() {
      Container::decCount();
   }

public:

   /*********************  Object Methods (public) *********************/

   virtual ostream& renderState(ostream& os) const;

   virtual const Info* typeInfo() const;

   virtual Object* clone(bool deepCopy = false) const = 0;

};

} // namespace container
#endif  /* _QUEUE_H */

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