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.constraints.pb;
26
27 import org.sat4j.minisat.core.AssertingClauseGenerator;
28 import org.sat4j.minisat.core.Constr;
29 import org.sat4j.minisat.core.DataStructureFactory;
30 import org.sat4j.minisat.core.ILits;
31 import org.sat4j.minisat.core.IOrder;
32 import org.sat4j.minisat.core.LearningStrategy;
33
34 public class PBSolverClause extends PBSolver<ILits> {
35
36 /**
37 *
38 */
39 private static final long serialVersionUID = 1L;
40
41 public PBSolverClause(AssertingClauseGenerator acg,
42 LearningStrategy<ILits> learner, DataStructureFactory<ILits> dsf, IOrder<ILits> order) {
43 super(acg, learner, dsf, order);
44 }
45
46 @Override
47 IConflict chooseConflict(Constr myconfl, int level) {
48 return ConflictMapClause.createConflict((PBConstr) myconfl, level);
49 }
50
51 @Override
52 public String toString(String prefix) {
53 return super.toString(prefix) + "\n" + prefix
54 + "Simplify asserted PB constraints to clauses";
55 }
56 }