View Javadoc

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   * 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   *******************************************************************************/
28  package org.sat4j.minisat.core;
29  
30  import org.sat4j.specs.IConstr;
31  import org.sat4j.specs.Lbool;
32  import org.sat4j.specs.SearchListener;
33  
34  final class VoidTracing implements SearchListener {
35  	private static final long serialVersionUID = 1L;
36  
37  	public void assuming(int p) {
38  	}
39  
40  	public void propagating(int p, IConstr reason) {
41  	}
42  
43  	public void backtracking(int p) {
44  	}
45  
46  	public void adding(int p) {
47  	}
48  
49  	public void learn(IConstr clause) {
50  	}
51  
52  	public void delete(int[] clause) {
53  	}
54  
55  	public void conflictFound(IConstr confl, int dlevel, int trailLevel) {
56  	}
57  
58  	public void conflictFound(int p) {
59  	}
60  
61  	public void solutionFound() {
62  	}
63  
64  	public void beginLoop() {
65  	}
66  
67  	public void start() {
68  	}
69  
70  	public void end(Lbool result) {
71  	}
72  
73  	public void restarting() {
74  	}
75  
76  	public void backjump(int backjumpLevel) {
77  	}
78  }