1 /*
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2006 Daniel Le Berre
3 *
4 * Based on the original minisat specification from:
5 *
6 * An extensible SAT solver. Niklas E?n and Niklas S?rensson. Proceedings of the
7 * Sixth International Conference on Theory and Applications of Satisfiability
8 * Testing, LNCS 2919, pp 502-518, 2003.
9 *
10 * This library is free software; you can redistribute it and/or modify it under
11 * the terms of the GNU Lesser General Public License as published by the Free
12 * Software Foundation; either version 2.1 of the License, or (at your option)
13 * any later version.
14 *
15 * This library is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
18 * details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this library; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25 package org.sat4j.minisat.core;
26
27 final class NullSearchListener implements SearchListener {
28 private static final long serialVersionUID = 1L;
29
30 public void assuming(int p) {
31 }
32
33 public void propagating(int p) {
34 }
35
36 public void backtracking(int p) {
37 }
38
39 public void adding(int p) {
40 }
41
42 public void learn(Constr clause) {
43 }
44
45 public void delete(int[] clause) {
46 }
47
48 public void conflictFound() {
49 }
50
51 public void solutionFound() {
52 }
53
54 public void beginLoop() {
55 }
56
57 public void start() {
58 }
59
60 public void end(Lbool result) {
61 }
62 }