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.reader.csp;
27
28 import org.sat4j.specs.ContradictionException;
29 import org.sat4j.specs.ISolver;
30
31 public class Constant implements Evaluable {
32
33 private final int value;
34
35 private final Domain domain;
36
37 public Constant(int value) {
38 this.value = value;
39 domain = new SingletonDomain(value);
40 }
41
42 public Domain domain() {
43 return domain;
44 }
45
46 public int translate(int key) {
47 throw new UnsupportedOperationException();
48 }
49
50 public void toClause(ISolver solver) throws ContradictionException {
51 throw new UnsupportedOperationException();
52 }
53
54 /*
55 * (non-Javadoc)
56 *
57 * @see java.lang.Object#toString()
58 */
59 @Override
60 public String toString() {
61 return String.valueOf(value);
62 }
63
64 }