1 /*
   2  * Copyright (c) 1996, 2018, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package java.util;
  25 
  26 import nsk.jvmti.AttachOnDemand.attach024.*;
  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  1.1
  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     public String toString() {
  73         return attach024Agent00.MODIFIED_TO_STRING;
  74     }
  75 }