/*
 * Simplest demo network simulation.
 * class Link.java
 * R P Futrelle, 7/18/2001
 */

/**
 * Simple passive link. 
 * Holds one message.
 */

public class Link {

    Object msg;

    public static void main(String[] args){

    } // main()


   public Link() {
	
	msg = null;

    }// Node()

    public void insert(Object m) {

	msg = m;

    } // insert()

    public Object retrieve () {

	return msg;

    } // retrieve()


    public void clear() {

	msg = null;

    } // clear()


}// class Link