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.minisat.constraints.cnf;
27
28 import org.sat4j.minisat.core.ILits;
29 import org.sat4j.minisat.core.UnitPropagationListener;
30 import org.sat4j.specs.IVecInt;
31
32 /**
33 * Counter Based clauses that can be mixed with WLCLauses
34 *
35 * @author leberre
36 */
37 public class MixableCBClause extends CBClause {
38
39 /**
40 * Commentaire pour <code>serialVersionUID</code>
41 */
42 private static final long serialVersionUID = 1L;
43
44 /**
45 * @param ps
46 * @param voc
47 */
48 public MixableCBClause(IVecInt ps, ILits voc) {
49 super(ps, voc);
50 // TODO Raccord de constructeur auto-genere
51 }
52
53 /*
54 * (non-Javadoc)
55 *
56 * @see org.sat4j.minisat.core.Propagatable#propagate(org.sat4j.minisat.core.UnitPropagationListener,
57 * int)
58 */
59 @Override
60 public boolean propagate(UnitPropagationListener s, int p) {
61 voc.watch(p, this);
62 return super.propagate(s, p);
63 }
64
65 /**
66 * @param ps
67 * @param voc
68 * @param learnt
69 */
70 public MixableCBClause(IVecInt ps, ILits voc, boolean learnt) {
71 super(ps, voc, learnt);
72 // TODO Raccord de constructeur auto-genere
73 }
74
75 public static CBClause brandNewClause(UnitPropagationListener s, ILits voc,
76 IVecInt literals) {
77 CBClause c = new MixableCBClause(literals, voc);
78 c.register();
79 return c;
80 }
81 }