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 package org.sat4j.minisat.core;
31
32 import java.io.Serializable;
33
34 /**
35 * Perform a task when a given number of conflicts is reached.
36 *
37 * @author daniel
38 *
39 */
40 public abstract class ConflictTimerAdapter implements Serializable,
41 ConflictTimer {
42
43 /**
44 *
45 */
46 private static final long serialVersionUID = 1L;
47
48 private int counter;
49
50 private final int bound;
51
52 public ConflictTimerAdapter(final int bound) {
53 this.bound = bound;
54 this.counter = 0;
55 }
56
57 public void reset() {
58 this.counter = 0;
59 }
60
61 public void newConflict() {
62 this.counter++;
63 if (this.counter == this.bound) {
64 run();
65 this.counter = 0;
66 }
67 }
68
69 public abstract void run();
70
71 public int bound() {
72 return this.bound;
73 }
74 }