1 /*******************************************************************************
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2008 Daniel Le Berre
3 *
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
8 *
9 * Alternatively, the contents of this file may be used under the terms of
10 * either the GNU Lesser General Public License Version 2.1 or later (the
11 * "LGPL"), in which case the provisions of the LGPL are applicable instead
12 * of those above. If you wish to allow use of your version of this file only
13 * under the terms of the LGPL, and not to allow others to use your version of
14 * this file under the terms of the EPL, indicate your decision by deleting
15 * the provisions above and replace them with the notice and other provisions
16 * required by the LGPL. If you do not delete the provisions above, a recipient
17 * may use your version of this file under the terms of the EPL or the LGPL.
18 *
19 * Based on the original MiniSat specification from:
20 *
21 * An extensible SAT solver. Niklas Een and Niklas Sorensson. Proceedings of the
22 * Sixth International Conference on Theory and Applications of Satisfiability
23 * Testing, LNCS 2919, pp 502-518, 2003.
24 *
25 * See www.minisat.se for the original solver in C++.
26 *
27 *******************************************************************************/
28 package org.sat4j.specs;
29
30 /**
31 * That exception is launched whenever a trivial contradiction is found (e.g.
32 * null clause).
33 *
34 * @author leberre
35 */
36 public class ContradictionException extends Exception {
37
38 private static final long serialVersionUID = 1L;
39
40 /**
41 *
42 */
43 public ContradictionException() {
44 super();
45 }
46
47 /**
48 * @param message
49 * un message
50 */
51 public ContradictionException(final String message) {
52 super(message);
53 }
54
55 /**
56 * @param cause
57 * la cause de l'exception
58 */
59 public ContradictionException(final Throwable cause) {
60 super(cause);
61 }
62
63 /**
64 * @param message
65 * un message
66 * @param cause
67 * une cause
68 */
69 public ContradictionException(final String message, final Throwable cause) {
70 super(message, cause);
71 }
72
73 }