/**
 *  <PRE>
 *  HashNode.java
 *
 *  Revisions: 1.0 Oct. 06, 2002
 *               Created the HashNode class
 *			   1.1 oCT. 06, 2002
 *				 Compiled, Tested, 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 1.1, Oct. 06, 2002
 */

public class HashNode {
  
  private HashNode next;
  private Object   key ;
  private Object   data;
  
  public static final boolean bDebug = false; //there's nothing to debug
  											  //that bDebug can handle
  
  ////////////////
  //Constructors//
  ////////////////
  
  /**
   *Constructor for HashNode
   *@param key, the object to be stored as the key
   *@param data, the object to be stored as data
   */
  public HashNode(Object key, Object data){
  	this.key   =  key ;
  	this.data  =  data;
  }
  
  ///////////////////////
  //Accessors/Modifiers//
  ///////////////////////
  
  /**
   *Modifier for next
   *@param next, the next HashNode
   */
  public void setNext(HashNode next){
  	this.next = next;
  }
  
  /**
   *Accessor for next
   *@return the next HashNode
   */
  public HashNode getNext(){
  	return next;
  }
  
  /**
   *Modifier for key
   *@param key, the new value for key
   */
  public void setKey(Object key){
  	this.key = key;
  }
  
  /**
   *Accessor for key
   *@return the value of key
   */
  public Object getKey(){
  	return key;
  }
  
  /**
   *Modifier for data
   *@param data, the new value for data
   */
  public void setData(Object data){
  	this.data = data;
  }
  
  /**
   *Accessor for data
   *@return the value of data
   */
  public Object getData(){
  	return data;
  }
  
  ///////////
  //Methods//
  ///////////
  
  /**
   *Equals method for HashNode
   *@return true if both HashNodes have the same key
   */
  public boolean equals(Object obj){
  	if(!(obj instanceof HashNode)){
  		return false;
  	}
  	
  	HashNode hTemp = (HashNode)obj;
  	if(hTemp.getData().equals(this.data)){
  		return true;
  	}
  	return false;
  }
  
  public String toString(){
  	return (data.toString());
  }
  
  /*************************************************************/

  /**
   *  Debugging main for class HashNode.  
   *  This method will rigorously test my code.
   *
   *  <br><br>
   *  @param args a String array of command line arguments.
   */
  public static void main(String[] args) {
    HashNode dooby  = new HashNode("key","data");
    HashNode stinky = new HashNode("key","data");
    
    System.out.println(dooby.equals(stinky));
    
    stinky.setKey(new Integer(6));
    
    stinky.setData("key");
    
    stinky.setNext(dooby);
    
    System.out.println(dooby.equals(stinky));
    System.out.println(stinky.getKey());
    System.out.println(stinky.getData());
    System.out.println(stinky.getNext().getKey());
    
  }// end of main(String[] args)

}// end of class HashNode