1 /* 2 * Copyright (c) 1996, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.util; 27 28 /** 29 * <p> 30 * The <code> TooManyListenersException </code> Exception is used as part of 31 * the Java Event model to annotate and implement a unicast special case of 32 * a multicast Event Source. 33 * </p> 34 * <p> 35 * The presence of a "throws TooManyListenersException" clause on any given 36 * concrete implementation of the normally multicast "void addXyzEventListener" 37 * event listener registration pattern is used to annotate that interface as 38 * implementing a unicast Listener special case, that is, that one and only 39 * one Listener may be registered on the particular event listener source 40 * concurrently. 41 * </p> 42 * 43 * @see java.util.EventObject 44 * @see java.util.EventListener 45 * 46 * @author Laurence P. G. Cable 47 * @since JDK1.1 48 */ 49 50 public class TooManyListenersException extends Exception { 51 private static final long serialVersionUID = 5074640544770687831L; 52 53 /** 54 * Constructs a TooManyListenersException with no detail message. 55 * A detail message is a String that describes this particular exception. 56 */ 57 58 public TooManyListenersException() { 59 super(); 60 } 61 62 /** 63 * Constructs a TooManyListenersException with the specified detail message. 64 * A detail message is a String that describes this particular exception. 65 * @param s the detail message 66 */ 67 68 public TooManyListenersException(String s) { 69 super(s); 70 } 71 } 72
