/* Cs132AdjListNode.java 1.0                              */
/*                                                        */
/* author: Sharon Tuttle                                  */
/* last modified: 5-2-03                                  */
/*                                                        */
/* a node in an adjacency list graph implementation       */

public class Cs132AdjListNode
{
    /*------------------------------------
     fields
    -------------------------------------*/
    
    // item we want to be in a graph: a vertex!
    private Cs132Vertex vertex;     
    
    // next node in the chain
    private Cs132AdjListNode next;

    /*--------------------------------------
     constructors
    ---------------------------------------*/

    /* create a new node containing the given vertex vert       */
    /* but not leading to any other node                        */
    public Cs132AdjListNode (Cs132Vertex vert)
    {
        this.vertex = vert;
        this.next = null;
    }    

    /*-------------------------------------------------------
     accessors
    -------------------------------------------------------*/ 

    public Cs132Vertex getVertex()
    {
        return this.vertex;
    }

    public Cs132AdjListNode getNext()
    {
        return this.next;
    }

    /*-------------------------------------------------------
     modifiers
    -------------------------------------------------------*/ 

    public void setVertex(Cs132Vertex newVertex)
    {
        this.vertex = newVertex;
    }

    public void setNext(Cs132AdjListNode newNext)
    {
        this.next = newNext;
    }

    /*------------------------------------------
     overridden methods
    -------------------------------------------*/
    public String toString()
    {
        /* hmm; I don't think I'll print next in chain... */
        return "Cs132AdjListNode[" + this.vertex + "]";
    }
    
} // end of class Cs132ChainNode