001/* Copyright (C) 2013 TU Dortmund
002 * This file is part of AutomataLib, http://www.automatalib.net/.
003 * 
004 * AutomataLib is free software; you can redistribute it and/or
005 * modify it under the terms of the GNU Lesser General Public
006 * License version 3.0 as published by the Free Software Foundation.
007 * 
008 * AutomataLib is distributed in the hope that it will be useful,
009 * but WITHOUT ANY WARRANTY; without even the implied warranty of
010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
011 * Lesser General Public License for more details.
012 * 
013 * You should have received a copy of the GNU Lesser General Public
014 * License along with AutomataLib; if not, see
015 * http://www.gnu.de/documents/lgpl.en.html.
016 */
017package net.automatalib.commons.smartcollections;
018
019/**
020 * Exception that is thrown if an invalid {@link ElementReference} is used.
021 * This can be the case if it refers to a previously removed element, or to
022 * an element stored in a different collection.
023 * 
024 * This exception does not need to be caught explicitly.
025 * 
026 * @author Malte Isberner <malte.isberner@gmail.com>
027 */
028public class InvalidReferenceException extends IllegalArgumentException {
029        
030        private static final long serialVersionUID = 1L;
031
032
033        /**
034         * Default constructor.
035         */
036        public InvalidReferenceException() {
037                super();
038        }
039        
040        /**
041         * Constructor.
042         * @see RuntimeException#RuntimeException(String)
043         */
044        public InvalidReferenceException(String message) {
045                super(message);
046        }
047}