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
26 package org.sat4j;
27
28 import static java.lang.System.out;
29
30 import org.sat4j.minisat.SolverFactory;
31 import org.sat4j.opt.MaxSatDecorator;
32 import org.sat4j.opt.WeightedMaxSatDecorator;
33 import org.sat4j.reader.DimacsReader;
34 import org.sat4j.reader.Reader;
35 import org.sat4j.specs.ISolver;
36
37 public class MaxSatLauncher extends AbstractOptimizationLauncher {
38
39 /**
40 *
41 */
42 private static final long serialVersionUID = 1L;
43
44 @Override
45 protected void usage() {
46 out.println("java -jar sat4jmax instance-name"); //$NON-NLS-1$
47 }
48
49 @Override
50 protected Reader createReader(ISolver solver, String problemname) {
51 if (problemname.endsWith(".wcnf")) { //$NON-NLS-1$
52 return new DimacsReader(solver, "wcnf"); //$NON-NLS-1$
53 }
54 return new DimacsReader(solver);
55 }
56
57 @Override
58 protected String getInstanceName(String[] args) {
59 return args[0];
60 }
61
62 @Override
63 protected ISolver configureSolver(String[] args) {
64 int problemindex = args.length - 1;
65 if (args[problemindex].endsWith(".wcnf")) { //$NON-NLS-1$
66 return new WeightedMaxSatDecorator(SolverFactory
67 .newMiniOPBClauseCardConstrMaxSpecificOrder());
68 }
69 return new MaxSatDecorator(SolverFactory.newMiniMaxSAT());
70 }
71
72 public static void main(String[] args) {
73 AbstractLauncher lanceur = new MaxSatLauncher();
74 lanceur.run(args);
75 }
76 }