VisitorImpl.java revision 525ad75b9d6b8623143155d5d2f675508da415b8 
1package ds.tree;
2
3
4/**
5 * A simple standard implementation for a {@link visitor}.
6 *
7 * @author Dennis Heidsiek
8 * @param <T,R>
9 */
10public abstract class VisitorImpl<T, R> implements Visitor<T, R> {
11
12    protected R result;
13
14	public VisitorImpl() {
15		this.result = null;
16	}
17
18	public VisitorImpl(R initialValue) {
19		this.result = initialValue;
20	}
21
22	public R getResult() {
23		return result;
24	}
25
26	abstract public void visit(String key, RadixTreeNode<T> parent, RadixTreeNode<T> node);
27}