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CS1322/p3/HashNode.java

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+/**
+ *  <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