1 package baseCode.common;
2
3 /***
4 *
5 *
6 * <hr>
7 * <p>Copyright (c) 2004 Columbia University
8 * @author pavlidis
9 * @version $Id: Visitable.java,v 1.1 2004/07/29 08:38:49 pavlidis Exp $
10 */
11 public abstract class Visitable implements Comparable {
12
13 private boolean mark;
14
15 public boolean isVisited() {
16 return mark;
17 }
18
19 public void mark() {
20 mark = true;
21 }
22
23 public void unMark() {
24 mark = false;
25 }
26
27 }