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 }