#ifndef _TREE_ELEMENT_HH_
#define _TREE_ELEMENT_HH_

// Copyright (c) 1994-1996 Ohio Board of Regents and the University of
// Cincinnati.  All Rights Reserved.

// BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 
// FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT 
// PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, 
// EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE 
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
// PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE 
// PROGRAM IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME 
// THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 

// IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 
// WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR 
// REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR 
// DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL 
// DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM 
// (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED 
// INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF 
// THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER 
// OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 

// Authors: Philip A. Wilsey            phil.wilsey@uc.edu
//          Malolan Chetlur             mal@ececs.uc.edu
//---------------------------------------------------------------------------
#include <iostream.h>

class BasicEvent;
class TreeElement;

class TreeElement {
private:

  TreeElement* leftTree;
  TreeElement* rightTree;
  TreeElement* parentElement;
  BasicEvent*  infoNode;

public:

  TreeElement(BasicEvent* bEvent):
    leftTree(NULL),
    rightTree(NULL),
    parentElement(NULL),
    infoNode(bEvent) {}

  ~TreeElement() {}

  inline TreeElement* getLeftElement() {
    return leftTree;
  }

  inline TreeElement* getRightElement() {
    return rightTree;
  }

  inline TreeElement* getParentElement() {
    return parentElement;
  }

  inline void setLeftElement(TreeElement* lElement) {
    leftTree = lElement;
  }

  inline void setRightElement(TreeElement* rElement) {
    rightTree = rElement;
  }

  inline void setParentElement(TreeElement* pElement) {
    parentElement = pElement;
  }

  inline BasicEvent* getEvent() {
    return infoNode;
  }

};

#endif