 | 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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-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.se.base.module; | |
| 17 | ||
| 18 | ||
| 19 | /** | |
| 20 | * Marker interface for different node types. Might be a definition or theorem or else. | |
| 21 | * | |
| 22 | * TODO mime 20050707: an interface must not know its implementations. This one does! This was | |
| 23 | * necessary as a quick hack to get some information in QedeqBoFactory and Context2XPath. | |
| 24 | * mime 20051216 I still see no solution to get round this. Some JUnit tests work against | |
| 25 | * this interface and get no information about the instance. | |
| 26 | * | |
| 27 | * @author Michael Meyling | |
| 28 | */ | |
| 29 | public interface NodeType { | |
| 30 | ||
| 31 | /** | |
| 32 | * Get axiom, if this is an instance of {@link Axiom}. | |
| 33 | * | |
| 34 | * @return Axiom, maybe <code>null</code>. | |
| 35 | */ | |
| 36 | public Axiom getAxiom(); | |
| 37 | ||
| 38 | /** | |
| 39 | * Get definition, if this is an instance of {@link PredicateDefinition}. | |
| 40 | * | |
| 41 | * @return Definition, maybe <code>null</code>. | |
| 42 | */ | |
| 43 | public PredicateDefinition getPredicateDefinition(); | |
| 44 | ||
| 45 | /** | |
| 46 | * Get initial definition, if this is an instance of {@link InitialPredicateDefinition}. | |
| 47 | * | |
| 48 | * @return Definition, maybe <code>null</code>. | |
| 49 | */ | |
| 50 | public InitialPredicateDefinition getInitialPredicateDefinition(); | |
| 51 | ||
| 52 | /** | |
| 53 | * Get definition, if this is an instance of {@link InitialFunctionDefinition}. | |
| 54 | * | |
| 55 | * @return Definition, maybe <code>null</code>. | |
| 56 | */ | |
| 57 | public InitialFunctionDefinition getInitialFunctionDefinition(); | |
| 58 | ||
| 59 | /** | |
| 60 | * Get definition, if this is an instance of {@link FunctionDefinition}. | |
| 61 | * | |
| 62 | * @return Definition, maybe <code>null</code>. | |
| 63 | */ | |
| 64 | public FunctionDefinition getFunctionDefinition(); | |
| 65 | ||
| 66 | /** | |
| 67 | * Get proposition, if this is an instance of {@link Proposition}. | |
| 68 | * | |
| 69 | * @return Proposition, maybe <code>null</code>. | |
| 70 | */ | |
| 71 | public Proposition getProposition(); | |
| 72 | ||
| 73 | /** | |
| 74 | * Get rule, if this is an instance of {@link Rule}. | |
| 75 | * | |
| 76 | * @return Rule, maybe <code>null</code>. | |
| 77 | */ | |
| 78 | public Rule getRule(); | |
| 79 | ||
| 80 | } | |
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