Java tutorial
/* * Copyright (c) 1996, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.util; /** * <p> * The <code> TooManyListenersException </code> Exception is used as part of * the Java Event model to annotate and implement a unicast special case of * a multicast Event Source. * </p> * <p> * The presence of a "throws TooManyListenersException" clause on any given * concrete implementation of the normally multicast "void addXyzEventListener" * event listener registration pattern is used to annotate that interface as * implementing a unicast Listener special case, that is, that one and only * one Listener may be registered on the particular event listener source * concurrently. * </p> * * @see java.util.EventObject * @see java.util.EventListener * * @author Laurence P. G. Cable * @since 1.1 */ public class TooManyListenersException extends Exception { private static final long serialVersionUID = 5074640544770687831L; /** * Constructs a TooManyListenersException with no detail message. * A detail message is a String that describes this particular exception. */ public TooManyListenersException() { super(); } /** * Constructs a TooManyListenersException with the specified detail message. * A detail message is a String that describes this particular exception. * @param s the detail message */ public TooManyListenersException(String s) { super(s); } }