1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.directory.server.core.avltree.avl;
21
22
23 /**
24 * AVL Tree Set node
25 *
26 * @author Vladimir Lysyy (http://bobah.net)
27 *
28 */
29 final class AvlNode<T extends Comparable<T>>
30 {
31 AvlNode<T> parent = null;
32 AvlNode<T> left = null;
33 AvlNode<T> right = null;
34
35 int height = 0;
36 int balance = 0;
37 T value = null;
38
39
40 AvlNode( AvlNode<T> parent, T value )
41 {
42 this.parent = parent;
43 this.value = value;
44 }
45
46
47 public AvlNode<T> reset( AvlNode<T> parent, T value )
48 {
49 this.parent = parent;
50 left = null;
51 right = null;
52
53 height = 0;
54 this.value = value;
55
56 return this;
57 }
58 }