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| IMarkableLits | Line # 37 | 0 | 1 | - |
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| 1 | /* | |
| 2 | * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2006 Daniel Le Berre | |
| 3 | * | |
| 4 | * Based on the original minisat specification from: | |
| 5 | * | |
| 6 | * An extensible SAT solver. Niklas E?n and Niklas S?rensson. Proceedings of the | |
| 7 | * Sixth International Conference on Theory and Applications of Satisfiability | |
| 8 | * Testing, LNCS 2919, pp 502-518, 2003. | |
| 9 | * | |
| 10 | * This library is free software; you can redistribute it and/or modify it under | |
| 11 | * the terms of the GNU Lesser General Public License as published by the Free | |
| 12 | * Software Foundation; either version 2.1 of the License, or (at your option) | |
| 13 | * any later version. | |
| 14 | * | |
| 15 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
| 16 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 17 | * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | |
| 18 | * details. | |
| 19 | * | |
| 20 | * You should have received a copy of the GNU Lesser General Public License | |
| 21 | * along with this library; if not, write to the Free Software Foundation, Inc., | |
| 22 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 23 | * | |
| 24 | */ | |
| 25 | package org.sat4j.minisat.core; | |
| 26 | ||
| 27 | import java.util.Set; | |
| 28 | ||
| 29 | import org.sat4j.specs.IVecInt; | |
| 30 | ||
| 31 | /** | |
| 32 | * Vocabulary in which literals can be marked. | |
| 33 | * | |
| 34 | * @author daniel | |
| 35 | * | |
| 36 | */ | |
| 37 | public interface IMarkableLits extends ILits { | |
| 38 | int MARKLESS = 0; | |
| 39 | ||
| 40 | /** | |
| 41 | * Mark a given literal with a given mark. | |
| 42 | * | |
| 43 | * @param p | |
| 44 | * the literal | |
| 45 | * @param mark | |
| 46 | * an integer used to mark the literal. The specific mark | |
| 47 | * MARKLESS is used to denote that the literal is not marked. The | |
| 48 | * marks are supposed to be positive in the most common cases. | |
| 49 | */ | |
| 50 | void setMark(int p, int mark); | |
| 51 | ||
| 52 | /** | |
| 53 | * Mark a given literal. | |
| 54 | * | |
| 55 | * @param p | |
| 56 | * a literal | |
| 57 | */ | |
| 58 | void setMark(int p); | |
| 59 | ||
| 60 | /** | |
| 61 | * To get the mark for a given literal. | |
| 62 | * | |
| 63 | * @param p | |
| 64 | * a literal | |
| 65 | * @return the mark associated with that literal, or MARKLESS if the literal | |
| 66 | * is not marked. | |
| 67 | */ | |
| 68 | int getMark(int p); | |
| 69 | ||
| 70 | /** | |
| 71 | * To know if a given literal is marked, i.e. has a mark different from | |
| 72 | * MARKLESS. | |
| 73 | * | |
| 74 | * @param p | |
| 75 | * a literal | |
| 76 | * @return true iif the literal is marked. | |
| 77 | */ | |
| 78 | boolean isMarked(int p); | |
| 79 | ||
| 80 | /** | |
| 81 | * Set the mark of a given literal to MARKLESS. | |
| 82 | * | |
| 83 | * @param p | |
| 84 | * a literal | |
| 85 | */ | |
| 86 | void resetMark(int p); | |
| 87 | ||
| 88 | /** | |
| 89 | * Set all the literal marks to MARKLESS | |
| 90 | * | |
| 91 | */ | |
| 92 | void resetAllMarks(); | |
| 93 | ||
| 94 | /** | |
| 95 | * Returns the set of all marked literals. | |
| 96 | * | |
| 97 | * @return a set of literals whose mark is different from MARKLESS. | |
| 98 | */ | |
| 99 | IVecInt getMarkedLiterals(); | |
| 100 | ||
| 101 | /** | |
| 102 | * Returns that set of all the literals having a specific mark. | |
| 103 | * | |
| 104 | * @param mark | |
| 105 | * a mark | |
| 106 | * @return a set of literals whose mark is mark | |
| 107 | */ | |
| 108 | IVecInt getMarkedLiterals(int mark); | |
| 109 | ||
| 110 | /** | |
| 111 | * Returns the set of all marked variables. A variable is marked iff at | |
| 112 | * least one of its literal is marked. | |
| 113 | * | |
| 114 | * @return a set of variables whose mark is different from MARKLESS. | |
| 115 | */ | |
| 116 | IVecInt getMarkedVariables(); | |
| 117 | ||
| 118 | /** | |
| 119 | * Returns the set of all variables having a specific mark. A variable is | |
| 120 | * marked iff at least one of its literal is marked. | |
| 121 | * | |
| 122 | * @param mark | |
| 123 | * a mark. | |
| 124 | * @return a set of variables whose mark is mark. | |
| 125 | */ | |
| 126 | IVecInt getMarkedVariables(int mark); | |
| 127 | ||
| 128 | /** | |
| 129 | * | |
| 130 | * @return a list of marks used to mark the literals. | |
| 131 | */ | |
| 132 | Set<Integer> getMarks(); | |
| 133 | } | |
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