#ifndef DLNODE_H_
#define DLNODE_H_

class DLNode {
 public:
  // Constructor
  DLNode(int key, DLNode* next = 0, DLNode* previous = 0);
	
  int get_key() const;
  DLNode* get_next() const;
  void set_next (DLNode* next);
  DLNode* get_previous() const;
  void set_previous (DLNode* next);

 private:
  int key_;
  DLNode* next_;
	DLNode* previous_;
};

#endif