/**
 * Cs132Vertex - an interface for something suitable to be a vertex
 * within Cs132Graph
 * 
 * @author Sharon Tuttle
 * @version 5-1-03
 */
public interface Cs132Vertex
{
    /*-----------------------------------------------------------------
     getKey()
     Purpose: returns the value of the key for this vertex
    --------------------------------------------------------------------*/
    public Comparable getKey();
    
    /*---------------------------------------------------------------
     getVisited()
     Purpose: gets the "visited" flag value for this vertex.
    -----------------------------------------------------------------*/
    public boolean getVisited();
    
    /*---------------------------------------------------------------
     setVisited()
     Purpose: sets the "visited" flag value for this vertex to the passed
              boolean value visVal.
    -----------------------------------------------------------------*/
    public void setVisited(boolean visVal);
}