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.util.Iterator;
34
35 import org.sat4j.core.Vec;
36 import org.sat4j.specs.IConstr;
37 import org.sat4j.specs.IVec;
38
39 /**
40 * That class is used to associate each constraint with another object that must
41 * be used to represent it in an explanation.
42 *
43 * @author daniel
44 *
45 * @param <T>
46 * @param <C>
47 */
48 public class ImplicationNamer<T, C> {
49
50 private final DependencyHelper<T, C> helper;
51 private IVec<IConstr> toName = new Vec<IConstr>();
52
53 public ImplicationNamer(DependencyHelper<T, C> helper, IVec<IConstr> toName) {
54 this.toName = toName;
55 this.helper = helper;
56 }
57
58 /**
59 * Associate the current constraint with a specific object that will be used
60 * to represent it in an explanation.
61 *
62 * @param name
63 */
64 public void named(C name) {
65 for (Iterator<IConstr> it = this.toName.iterator(); it.hasNext();) {
66 this.helper.descs.put(it.next(), name);
67 }
68 }
69 }