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.mina.core.session; 21 22 import java.io.Serializable; 23 import java.util.Map; 24 25 /** 26 * A key that makes its parent {@link Map} or session attribute to search 27 * fast while being debug-friendly by providing the string representation. 28 * 29 * @author The Apache MINA Project (dev@mina.apache.org) 30 * @version $Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (jeu, 26 jun 2008) $ 31 */ 32 public final class AttributeKey implements Serializable { 33 /** The serial version UID */ 34 private static final long serialVersionUID = -583377473376683096L; 35 36 /** The attribute's name */ 37 private final String name; 38 39 /** 40 * Creates a new instance. It's built from : 41 * - the class' name 42 * - the attribute's name 43 * - this attribute hashCode 44 */ 45 public AttributeKey(Class<?> source, String name) { 46 this.name = source.getName() + '.' + name + '@' + Integer.toHexString(this.hashCode()); 47 } 48 49 /** 50 * The String representation of tis objection is its constructed name. 51 */ 52 @Override 53 public String toString() { 54 return name; 55 } 56 }