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
20 package org.sat4j.pb.tools;
21
22 import java.util.Iterator;
23
24 import org.sat4j.core.Vec;
25 import org.sat4j.specs.IConstr;
26 import org.sat4j.specs.IVec;
27
28 /**
29 * That class is used to associate each constraint with another object that
30 * must be used to represent it in an explanation.
31 *
32 * @author daniel
33 *
34 * @param <T>
35 * @param <C>
36 */
37 public class ImplicationNamer<T,C> {
38
39 private final DependencyHelper<T,C> helper;
40 private IVec<IConstr> toName = new Vec<IConstr>();
41
42 public ImplicationNamer(DependencyHelper<T,C> helper, IVec<IConstr> toName) {
43 this.toName = toName;
44 this.helper = helper;
45 }
46
47 /**
48 * Associate the current constraint with a specific object that
49 * will be used to represent it in an explanation.
50 * @param name
51 */
52 public void named(C name) {
53 for (Iterator<IConstr> it = toName.iterator();it.hasNext();) {
54 helper.descs.put(it.next(),name);
55 }
56 }
57 }