/**
 *  <PRE>
 *  BSTNode.java
 *
 *  Revisions: 1.0 Oct. 16, 2002
 *               Created the BSTNode class
 *			   1.1 Oct. 19, 2002
 *				 Compiled, Finished
 *			   1.2 Oct. 27, 2002
 *				 Commented
 *
 *  </PRE>
 *
 *	Collaboration Statement:
 *    I worked on the homework assignment alone, using only             
 *    course materials.
 *  
 *  Created with JCreatorLE, some indents are off when viewed through notepad
 *    or EMACS
 *
 *  @author <A HREF="mailto:gtg184g@mail.gatech.edu">Jose Manuel Caban</A>
 *  @version Version 1.2, Oct. 27, 2002
 */

public class BSTNode implements Comparable{
  
  public static final boolean bDebug = false; //nothing to debug
  
  private Comparable data;
  private BSTNode left;
  private BSTNode right;
  
  ////////////////
  //Constructors//
  ////////////////
  
  /**
   *Default Constructor
   */
  public BSTNode(){
  	this(null);
  }
  
  /**
   *@param data, the value of data
   */
  public BSTNode(Comparable data){
  	this.data = data;
  	left = null;
  	right = null;
  }
  	
  
  ///////////////////////
  //Accessors/Modifiers//
  ///////////////////////
  
  /**
   *Accessor for data
   *@return value of data
   */
  public Comparable getData(){
  	return data;
  }
  
  /**
   *Modifier for data
   *@param the value of data
   */
  public void setData(Comparable data){
  	this.data = data;
  }
  
  /**
   *Accessor for left
   *@return value of left
   */
  public BSTNode getLeft(){
  	return left;
  }
  
  /**
   *Modifier for left
   *@param the value ofleft
   */
  public void setLeft(BSTNode left){
  	this.left = left;
  }
  
  /**
   *Accessor for right
   *@return value of right
   */
  public BSTNode getRight(){
  	return right;
  }
  
  /**
   *Modifier for right
   *@param the value ofright
   */
  public void setRight(BSTNode right){
  	this.right = right;
  }
  
  ///////////
  //Methods//
  ///////////
  
  /**
   *compareTo method
   *@return the value of data's compareTo()
   */
  public int compareTo(Object o){
  	if(o instanceof BSTNode){
  		BSTNode temp = (BSTNode)o;
  		return data.compareTo(temp.getData());
  	}
  	else{
  		throw new ClassCastException();
  	}
  }
  
  /**
   *toString() method
   *@return data's toString()
   */
  public String toString(){
  	return data.toString();
  }
  
  /**
   *  Debugging main for class BSTNode.  
   *  This method will rigorously test my code.
   *
   *  <br><br>
   *  @param args a String array of command line arguments.
   */
  public static void main(String[] args) {
    BSTNode bob = new BSTNode(new Integer(7));
    BSTNode rob = new BSTNode(new Integer(7));
    BSTNode tod = new BSTNode(new Integer(6));
    
    System.out.println(bob.compareTo(rob));
    System.out.println(bob.compareTo(tod));
    System.out.println(bob.toString());
    
  }// end of main(String[] args)

}// end of class BSTNode