| 1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org |
| 2 | * |
| 3 | * Copyright 2000-2014, 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.dto.module; |
| 17 | |
| 18 | import org.qedeq.base.utility.EqualsUtility; |
| 19 | import org.qedeq.kernel.se.base.module.Axiom; |
| 20 | import org.qedeq.kernel.se.base.module.Formula; |
| 21 | import org.qedeq.kernel.se.base.module.FunctionDefinition; |
| 22 | import org.qedeq.kernel.se.base.module.InitialFunctionDefinition; |
| 23 | import org.qedeq.kernel.se.base.module.InitialPredicateDefinition; |
| 24 | import org.qedeq.kernel.se.base.module.LatexList; |
| 25 | import org.qedeq.kernel.se.base.module.PredicateDefinition; |
| 26 | import org.qedeq.kernel.se.base.module.Proposition; |
| 27 | import org.qedeq.kernel.se.base.module.Rule; |
| 28 | |
| 29 | |
| 30 | /** |
| 31 | * Definition of function operator. This is a function constant. For example the function |
| 32 | * "x union y" or constants like the empty set. |
| 33 | * |
| 34 | * @author Michael Meyling |
| 35 | */ |
| 36 | public class FunctionDefinitionVo implements FunctionDefinition { |
| 37 | |
| 38 | /** Carries information about the argument number the defined object needs. */ |
| 39 | private String argumentNumber; |
| 40 | |
| 41 | /** This name together with argumentNumber identifies a function. */ |
| 42 | private String name; |
| 43 | |
| 44 | /** LaTeX pattern for definition visualisation. The replaceable arguments must are |
| 45 | * marked as <code>#1</code>, <code>#2</code> and so on. For example |
| 46 | * <code>\mathfrak{M}(#1)</code> */ |
| 47 | private String latexPattern; |
| 48 | |
| 49 | /** Defining formula of function constant. Must be like f(x, y) = {z | z \in x & z \in y}. */ |
| 50 | private Formula formula; |
| 51 | |
| 52 | /** Further proposition description. Normally <code>null</code>. */ |
| 53 | private LatexList description; |
| 54 | |
| 55 | /** |
| 56 | * Constructs a new definition. |
| 57 | */ |
| 58 | public FunctionDefinitionVo() { |
| 59 | // nothing to do |
| 60 | } |
| 61 | |
| 62 | public Axiom getAxiom() { |
| 63 | return null; |
| 64 | } |
| 65 | |
| 66 | public InitialPredicateDefinition getInitialPredicateDefinition() { |
| 67 | return null; |
| 68 | } |
| 69 | |
| 70 | public PredicateDefinition getPredicateDefinition() { |
| 71 | return null; |
| 72 | } |
| 73 | |
| 74 | public InitialFunctionDefinition getInitialFunctionDefinition() { |
| 75 | return null; |
| 76 | } |
| 77 | |
| 78 | public FunctionDefinition getFunctionDefinition() { |
| 79 | return this; |
| 80 | } |
| 81 | |
| 82 | public Proposition getProposition() { |
| 83 | return null; |
| 84 | } |
| 85 | |
| 86 | public Rule getRule() { |
| 87 | return null; |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Set information about the argument number the defined object needs. |
| 92 | * |
| 93 | * @param argumentNumber Argument number information. |
| 94 | */ |
| 95 | public final void setArgumentNumber(final String argumentNumber) { |
| 96 | this.argumentNumber = argumentNumber; |
| 97 | } |
| 98 | |
| 99 | public final String getArgumentNumber() { |
| 100 | return argumentNumber; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Set function name. Together with {@link #getArgumentNumber()} this |
| 105 | * identifies a function. |
| 106 | * |
| 107 | * @param name Function name. |
| 108 | */ |
| 109 | public void setName(final String name) { |
| 110 | this.name = name; |
| 111 | } |
| 112 | |
| 113 | public String getName() { |
| 114 | return name; |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Set LaTeX pattern for definition visualisation. The replaceable arguments are |
| 119 | * marked as <code>#1</code>, <code>#2</code> and so on. For example |
| 120 | * <code>\mathfrak{M}(#1)</code>. |
| 121 | * |
| 122 | * @param latexPattern LaTeX pattern for definition visualisation. |
| 123 | */ |
| 124 | public final void setLatexPattern(final String latexPattern) { |
| 125 | this.latexPattern = latexPattern; |
| 126 | } |
| 127 | |
| 128 | public final String getLatexPattern() { |
| 129 | return latexPattern; |
| 130 | } |
| 131 | |
| 132 | public final Formula getFormula() { |
| 133 | return formula; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Set defining formula for function constant. |
| 138 | * |
| 139 | * @param formula Defining formula for function constant. |
| 140 | */ |
| 141 | public final void setFormula(final Formula formula) { |
| 142 | this.formula = formula; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Set description. Only necessary if formula is not self-explanatory. |
| 147 | * |
| 148 | * @param description Description. |
| 149 | */ |
| 150 | public final void setDescription(final LatexListVo description) { |
| 151 | this.description = description; |
| 152 | } |
| 153 | |
| 154 | public LatexList getDescription() { |
| 155 | return description; |
| 156 | } |
| 157 | |
| 158 | public boolean equals(final Object obj) { |
| 159 | if (!(obj instanceof FunctionDefinition)) { |
| 160 | return false; |
| 161 | } |
| 162 | final FunctionDefinition other = (FunctionDefinition) obj; |
| 163 | return EqualsUtility.equals(getArgumentNumber(), other.getArgumentNumber()) |
| 164 | && EqualsUtility.equals(getName(), other.getName()) |
| 165 | && EqualsUtility.equals(getLatexPattern(), other.getLatexPattern()) |
| 166 | && EqualsUtility.equals(getFormula(), other.getFormula()) |
| 167 | && EqualsUtility.equals(getDescription(), other.getDescription()); |
| 168 | } |
| 169 | |
| 170 | public int hashCode() { |
| 171 | return (getArgumentNumber() != null ? getArgumentNumber().hashCode() : 0) |
| 172 | ^ (getName() != null ? 1 ^ getName().hashCode() : 0) |
| 173 | ^ (getLatexPattern() != null ? 2 ^ getLatexPattern().hashCode() : 0) |
| 174 | ^ (getFormula() != null ? 3 ^ getFormula().hashCode() : 0) |
| 175 | ^ (getDescription() != null ? 5 ^ getDescription().hashCode() : 0); |
| 176 | } |
| 177 | |
| 178 | public String toString() { |
| 179 | final StringBuffer buffer = new StringBuffer(); |
| 180 | buffer.append("Function Definition arguments=" + getArgumentNumber() + "\n"); |
| 181 | buffer.append("\tname=" + getName() + "\n"); |
| 182 | buffer.append("\tpattern=" + getLatexPattern() + "\n"); |
| 183 | buffer.append("\formula=" + getFormula() + "\n"); |
| 184 | buffer.append("\tdescription:\n" + getDescription() + "\n"); |
| 185 | return buffer.toString(); |
| 186 | } |
| 187 | |
| 188 | } |