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 import nsk.jvmti.AttachOnDemand.attach024.*;
  29 
  30 /**
  31  * <p>
  32  * The <code> TooManyListenersException </code> Exception is used as part of
  33  * the Java Event model to annotate and implement a unicast special case of
  34  * a multicast Event Source.
  35  * </p>
  36  * <p>
  37  * The presence of a "throws TooManyListenersException" clause on any given
  38  * concrete implementation of the normally multicast "void addXyzEventListener"
  39  * event listener registration pattern is used to annotate that interface as
  40  * implementing a unicast Listener special case, that is, that one and only
  41  * one Listener may be registered on the particular event listener source
  42  * concurrently.
  43  * </p>
  44  *
  45  * @see java.util.EventObject
  46  * @see java.util.EventListener
  47  *
  48  * @author Laurence P. G. Cable
  49  * @since  1.1
  50  */
  51 
  52 public class TooManyListenersException extends Exception {
  53     private static final long serialVersionUID = 5074640544770687831L;
  54 
  55     /**
  56      * Constructs a TooManyListenersException with no detail message.
  57      * A detail message is a String that describes this particular exception.
  58      */
  59 
  60     public TooManyListenersException() {
  61         super();
  62     }
  63 
  64     /**
  65      * Constructs a TooManyListenersException with the specified detail message.
  66      * A detail message is a String that describes this particular exception.
  67      * @param s the detail message
  68      */
  69 
  70     public TooManyListenersException(String s) {
  71         super(s);
  72     }
  73 
  74     public String toString() {
  75         return attach024Agent00.MODIFIED_TO_STRING;
  76     }
  77 }