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 package org.sat4j.csp;
20
21 import org.sat4j.specs.ContradictionException;
22 import org.sat4j.specs.ISolver;
23
24 public class Constant implements Evaluable {
25
26 private final int value;
27
28 private final Domain domain;
29
30 public Constant(int value) {
31 this.value = value;
32 domain = new SingletonDomain(value);
33 }
34
35 public Domain domain() {
36 return domain;
37 }
38
39 public int translate(int key) {
40 throw new UnsupportedOperationException();
41 }
42
43 public void toClause(ISolver solver) throws ContradictionException {
44 throw new UnsupportedOperationException();
45 }
46
47 /*
48 * (non-Javadoc)
49 *
50 * @see java.lang.Object#toString()
51 */
52 @Override
53 public String toString() {
54 return String.valueOf(value);
55 }
56
57 }