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.minisat.constraints.cnf;
29
30 import org.sat4j.minisat.core.ILits;
31 import org.sat4j.minisat.core.UnitPropagationListener;
32 import org.sat4j.specs.IVecInt;
33
34 /**
35 * Counter Based clauses that can be mixed with WLCLauses
36 *
37 * @author leberre
38 */
39 public class MixableCBClause extends CBClause {
40
41 /**
42 * Commentaire pour <code>serialVersionUID</code>
43 */
44 private static final long serialVersionUID = 1L;
45
46 /**
47 * @param ps
48 * @param voc
49 */
50 public MixableCBClause(IVecInt ps, ILits voc) {
51 super(ps, voc);
52 // TODO Raccord de constructeur auto-genere
53 }
54
55 /*
56 * (non-Javadoc)
57 *
58 * @see org.sat4j.minisat.core.Propagatable#propagate(org.sat4j.minisat.core.UnitPropagationListener,
59 * int)
60 */
61 @Override
62 public boolean propagate(UnitPropagationListener s, int p) {
63 voc.attach(p, this);
64 return super.propagate(s, p);
65 }
66
67 /**
68 * @param ps
69 * @param voc
70 * @param learnt
71 */
72 public MixableCBClause(IVecInt ps, ILits voc, boolean learnt) {
73 super(ps, voc, learnt);
74 // TODO Raccord de constructeur auto-genere
75 }
76
77 public static CBClause brandNewClause(UnitPropagationListener s, ILits voc,
78 IVecInt literals) {
79 CBClause c = new MixableCBClause(literals, voc);
80 c.register();
81 return c;
82 }
83 }