 | Report generated by Clover Code Coverage v3.1.10 Fri May 24 2013 13:47:32 UTC. |
Clover: Open Source License registered to qedeq.org . |
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| PredicateExistenceChecker | Line # 24 | 0 | 0 | - |
-1.0
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| 1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org | |
| 2 | * | |
| 3 | * Copyright 2000-2013, Michael Meyling <mime@qedeq.org>. | |
| 4 | * | |
| 5 | * "Hilbert II" is free software; you can redistribute | |
| 6 | * it and/or modify it under the terms of the GNU General Public | |
| 7 | * License as published by the Free Software Foundation; either | |
| 8 | * version 2 of the License, or (at your option) any later version. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | */ | |
| 15 | ||
| 16 | package org.qedeq.kernel.bo.logic.common; | |
| 17 | ||
| 18 | ||
| 19 | /** | |
| 20 | * Check if a predicate is already defined. | |
| 21 | * | |
| 22 | * @author Michael Meyling | |
| 23 | */ | |
| 24 | public interface PredicateExistenceChecker { | |
| 25 | ||
| 26 | /** | |
| 27 | * Check if a predicate is already defined. | |
| 28 | * | |
| 29 | * @param name Predicate name. | |
| 30 | * @param arguments Number of operands for the predicate. | |
| 31 | * @return Predicate is defined. | |
| 32 | */ | |
| 33 | public boolean predicateExists(String name, int arguments); | |
| 34 | ||
| 35 | /** | |
| 36 | * Check if a predicate is already defined. | |
| 37 | * | |
| 38 | * @param predicate Predicate. | |
| 39 | * @return Predicate is defined. | |
| 40 | */ | |
| 41 | public boolean predicateExists(PredicateKey predicate); | |
| 42 | ||
| 43 | /** | |
| 44 | * Check if given predicate key has an initial predicate definition. | |
| 45 | * | |
| 46 | * @param predicate Predicate. | |
| 47 | * @return Predicate is defined and is an initial predicate definition. | |
| 48 | */ | |
| 49 | public boolean isInitialPredicate(final PredicateKey predicate); | |
| 50 | ||
| 51 | } | |
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