+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.log4j;
+
+/**
+ CategoryKey is a wrapper for String that apparently accellerated
+ hash table lookup in early JVM's.
+ @author Ceki Gülcü
+*/
+class CategoryKey {
+
+ String name;
+ int hashCache;
+
+ CategoryKey(String name) {
+ this.name = name;
+ hashCache = name.hashCode();
+ }
+
+ final
+ public
+ int hashCode() {
+ return hashCache;
+ }
+
+ final
+ public
+ boolean equals(Object rArg) {
+ if(this == rArg) {
+ return true;
+ }
+
+ if(rArg != null && CategoryKey.class == rArg.getClass()) {
+ return name.equals(((CategoryKey)rArg ).name);
+ } else {
+ return false;
+ }
+ }
+}