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.sat;
31
32 import org.sat4j.minisat.core.IPhaseSelectionStrategy;
33 import org.sat4j.minisat.core.LearnedConstraintsEvaluationType;
34 import org.sat4j.minisat.core.RestartStrategy;
35 import org.sat4j.minisat.core.SearchParams;
36 import org.sat4j.minisat.core.SimplificationType;
37 import org.sat4j.minisat.core.SolverStats;
38
39 public interface SolverController {
40
41 int getNVar();
42
43 void setPhaseSelectionStrategy(IPhaseSelectionStrategy strategy);
44
45 void setLearnedDeletionStrategyTypeToSolver(
46 LearnedConstraintsEvaluationType type);
47
48 void shouldRestartNow();
49
50 RestartStrategy getRestartStrategy();
51
52 void setRestartStrategy(RestartStrategy strategy);
53
54 SearchParams getSearchParams();
55
56 SolverStats getSolverStats();
57
58 void init(SearchParams params, SolverStats stats);
59
60 void setNbClausesAtWhichWeShouldClean(int nbConflicts);
61
62 void setUseTelecomStrategyAsLearnedConstraintsDeletionStrategy();
63
64 void shouldCleanNow();
65
66 void setRandomWalkProba(double proba);
67
68 void setSimplifier(SimplificationType type);
69
70 void setKeepSolverHot(boolean keepHot);
71 }