1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.log4j;
19
20 /**
21 CategoryKey is a wrapper for String that apparently accellerated
22 hash table lookup in early JVM's.
23 @author Ceki Gülcü
24 */
25 class CategoryKey {
26
27 String name;
28 int hashCache;
29
30 CategoryKey(String name) {
31 this.name = name;
32 hashCache = name.hashCode();
33 }
34
35 final
36 public
37 int hashCode() {
38 return hashCache;
39 }
40
41 final
42 public
43 boolean equals(Object rArg) {
44 if(this == rArg)
45 return true;
46
47 if(rArg != null && CategoryKey.class == rArg.getClass())
48 return name.equals(((CategoryKey)rArg ).name);
49 else
50 return false;
51 }
52 }
Save This Page