1 /*******************************************************************************
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004, 2012 Artois University and CNRS
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 * Contributors:
28 * CRIL - initial API and implementation
29 *******************************************************************************/
30
31 package org.sat4j.pb.tools;
32
33 import java.math.BigInteger;
34
35 import org.sat4j.pb.IPBSolver;
36 import org.sat4j.pb.ObjectiveFunction;
37 import org.sat4j.specs.ContradictionException;
38 import org.sat4j.specs.IConstr;
39 import org.sat4j.specs.ISolver;
40 import org.sat4j.specs.IVec;
41 import org.sat4j.specs.IVecInt;
42 import org.sat4j.tools.SolverDecorator;
43
44 /**
45 * Allow to put a ISolver when an IPBSolver is required. Useful in some cases
46 * when there are no pseudo boolean constraints, only cardinality constraints,
47 * expressed in OPB format for instance.
48 *
49 * The adapter throws UnsupportedOperationException for the methods that are
50 * specific to IPBsolver.
51 *
52 * @author leberre
53 * @since 2.3.3
54 */
55 public class PBAdapter extends SolverDecorator<ISolver> implements IPBSolver {
56
57 /**
58 *
59 */
60 private static final long serialVersionUID = 1L;
61
62 public PBAdapter(ISolver solver) {
63 super(solver);
64 }
65
66 public IConstr addPseudoBoolean(IVecInt lits, IVec<BigInteger> coeffs,
67 boolean moreThan, BigInteger d) throws ContradictionException {
68 throw new UnsupportedOperationException();
69 }
70
71 public IConstr addAtMost(IVecInt literals, IVecInt coeffs, int degree)
72 throws ContradictionException {
73 throw new UnsupportedOperationException();
74 }
75
76 public IConstr addAtMost(IVecInt literals, IVec<BigInteger> coeffs,
77 BigInteger degree) throws ContradictionException {
78 throw new UnsupportedOperationException();
79 }
80
81 public IConstr addAtLeast(IVecInt literals, IVecInt coeffs, int degree)
82 throws ContradictionException {
83 throw new UnsupportedOperationException();
84 }
85
86 public IConstr addAtLeast(IVecInt literals, IVec<BigInteger> coeffs,
87 BigInteger degree) throws ContradictionException {
88 throw new UnsupportedOperationException();
89 }
90
91 public IConstr addExactly(IVecInt literals, IVecInt coeffs, int weight)
92 throws ContradictionException {
93 throw new UnsupportedOperationException();
94 }
95
96 public IConstr addExactly(IVecInt literals, IVec<BigInteger> coeffs,
97 BigInteger weight) throws ContradictionException {
98 throw new UnsupportedOperationException();
99 }
100
101 public void setObjectiveFunction(ObjectiveFunction obj) {
102 throw new UnsupportedOperationException();
103
104 }
105
106 public ObjectiveFunction getObjectiveFunction() {
107 throw new UnsupportedOperationException();
108 }
109
110 }