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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;
27  
28  import java.math.BigInteger;
29  
30  import org.sat4j.minisat.constraints.pb.MinWatchPb;
31  import org.sat4j.minisat.constraints.pb.PBConstr;
32  import org.sat4j.specs.ContradictionException;
33  import org.sat4j.specs.IVec;
34  import org.sat4j.specs.IVecInt;
35  
36  /**
37   * @author leberre To change the template for this generated type comment go to
38   *         Window - Preferences - Java - Code Generation - Code and Comments
39   */
40  public class PBMinDataStructure extends AbstractPBDataStructureFactory {
41  
42      private static final long serialVersionUID = 1L;
43  
44      /*
45       * (non-Javadoc)
46       * 
47       * @see org.sat4j.minisat.constraints.AbstractPBDataStructureFactory#constraintFactory(org.sat4j.specs.VecInt,
48       *      org.sat4j.specs.VecInt, boolean, int)
49       */
50      @Override
51      protected PBConstr constraintFactory(IVecInt literals, IVecInt coefs,
52              boolean moreThan, int degree) throws ContradictionException {
53          return MinWatchPb.minWatchPbNew(solver, getVocabulary(), literals,
54                  coefs, moreThan, degree);
55      }
56  
57      /*
58       * (non-Javadoc)
59       * 
60       * @see org.sat4j.minisat.constraints.AbstractPBDataStructureFactory#constraintFactory(org.sat4j.specs.VecInt,
61       *      org.sat4j.specs.VecInt, int)
62       */
63      @Override
64      protected PBConstr constraintFactory(IVecInt literals, IVecInt coefs,
65              int degree) {
66          return MinWatchPb.watchPbNew(getVocabulary(), literals, coefs, true,
67                  degree);
68      }
69  
70      /*
71       * (non-Javadoc)
72       * 
73       * @see org.sat4j.minisat.constraints.AbstractPBDataStructureFactory#constraintFactory(org.sat4j.specs.VecInt,
74       *      org.sat4j.specs.VecInt, boolean, int)
75       */
76      @Override
77      protected PBConstr constraintFactory(IVecInt literals,
78              IVec<BigInteger> coefs, boolean moreThan, BigInteger degree)
79              throws ContradictionException {
80          return MinWatchPb.minWatchPbNew(solver, getVocabulary(), literals,
81                  coefs, moreThan, degree);
82      }
83  
84      /*
85       * (non-Javadoc)
86       * 
87       * @see org.sat4j.minisat.constraints.AbstractPBDataStructureFactory#constraintFactory(org.sat4j.specs.VecInt,
88       *      org.sat4j.specs.VecInt, int)
89       */
90      @Override
91      protected PBConstr constraintFactory(IVecInt literals,
92              IVec<BigInteger> coefs, BigInteger degree) {
93          return MinWatchPb.watchPbNew(getVocabulary(), literals, coefs, true,
94                  degree);
95      }
96  
97  }