1 | #region License Information
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2 |
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3 | /* HeuristicLab
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4 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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5 | *
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6 | * This file is part of HeuristicLab.
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7 | *
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8 | * HeuristicLab is free software: you can redistribute it and/or modify
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9 | * it under the terms of the GNU General Public License as published by
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10 | * the Free Software Foundation, either version 3 of the License, or
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11 | * (at your option) any later version.
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12 | *
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13 | * HeuristicLab is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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20 | */
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21 |
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22 | #endregion
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23 |
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24 | using System;
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25 | using System.Collections.Generic;
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26 | using System.Collections.ObjectModel;
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27 | using System.Globalization;
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28 | using System.Linq;
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29 | using HeuristicLab.Common;
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30 | using HeuristicLab.Core;
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31 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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32 |
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33 | namespace HeuristicLab.Problems.DataAnalysis {
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34 | [Item("SimpleDataset", "A dataset which allows access to a single row of updateable variables")]
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35 | [StorableClass]
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36 | public class SimpleDataset : NamedItem, IDataset {
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37 | [Storable]
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38 | private List<string> names;
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39 |
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40 | [Storable]
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41 | private List<double> values;
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42 |
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43 | public int Rows {
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44 | get { return 1; }
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45 | set { throw new InvalidOperationException(); }
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46 | }
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47 |
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48 | public int Columns {
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49 | get { return names.Count; }
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50 | set { throw new InvalidOperationException(); }
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51 | }
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52 |
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53 | public IEnumerable<string> ColumnNames { get; set; }
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54 | public IEnumerable<string> RowNames { get; set; }
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55 | public bool SortableView { get; set; }
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56 | public bool ReadOnly { get; private set; }
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57 | public bool Validate(string value, out string errorMessage) { throw new NotImplementedException(); }
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58 | public string GetValue(int rowIndex, int columnIndex) { throw new NotImplementedException(); }
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59 | public bool SetValue(string value, int rowIndex, int columnIndex) { throw new NotImplementedException(); }
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60 |
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61 | public event EventHandler ColumnsChanged;
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62 | public event EventHandler RowsChanged;
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63 | public event EventHandler ColumnNamesChanged;
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64 | public event EventHandler RowNamesChanged;
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65 | public event EventHandler SortableViewChanged;
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66 | public event EventHandler<EventArgs<int, int>> ItemChanged;
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67 | public event EventHandler Reset;
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68 |
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69 | public SimpleDataset() { }
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70 |
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71 | public SimpleDataset(IEnumerable<string> variableNames, IEnumerable<double> variableValues) {
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72 | if (variableNames.Count() != variableValues.Count())
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73 | throw new ArgumentException("The variable names and values should be the same length.");
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74 | names = new List<string>(variableNames);
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75 | values = new List<double>(variableValues);
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76 | }
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77 |
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78 | private SimpleDataset(SimpleDataset original, Cloner cloner)
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79 | : base(original, cloner) {
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80 | }
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81 |
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82 | public override IDeepCloneable Clone(Cloner cloner) {
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83 | return new SimpleDataset(this, cloner);
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84 | }
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85 |
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86 | [StorableConstructor]
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87 | private SimpleDataset(bool deserializing)
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88 | : base(deserializing) {
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89 | }
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90 |
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91 | public double GetDoubleValue(string variableName, int row) {
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92 | int i = names.IndexOf(variableName);
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93 | if (i == -1)
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94 | throw new ArgumentException("The given variable name is not present in the dataset.");
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95 | return values[names.IndexOf(variableName)];
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96 | }
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97 |
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98 | public IEnumerable<double> GetDoubleValues(string variableName, IEnumerable<int> rows) {
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99 | yield return GetDoubleValue(variableName, 0);
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100 | }
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101 |
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102 | public IEnumerable<double> GetDoubleValues(string variableName) {
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103 | yield return GetDoubleValue(variableName, 0);
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104 | }
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105 |
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106 | public ReadOnlyCollection<double> GetReadOnlyDoubleValues(string variableName) {
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107 | return GetDoubleValues(variableName, Enumerable.Empty<int>()).ToList().AsReadOnly();
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108 | }
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109 |
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110 | public IEnumerable<string> GetStringValues(string variableName) {
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111 | yield return GetDoubleValue(variableName, 0).ToString(CultureInfo.InvariantCulture);
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112 | }
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113 |
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114 | public void SetDoubleValue(string variableName, double value) {
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115 | int i = names.IndexOf(variableName);
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116 | if (i == -1)
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117 | throw new ArgumentException("The given variable name is not present in the dataset.");
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118 | }
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119 |
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120 | public IEnumerable<string> VariableNames {
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121 | get { return names; }
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122 | set {
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123 | if (value.Count() != values.Count())
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124 | throw new ArgumentException("The names count should equal the values count.");
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125 | names = value.ToList();
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126 | }
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127 | }
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128 |
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129 | public IEnumerable<double> VariableValues {
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130 | get { return values; }
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131 | set {
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132 | if (value.Count() != names.Count())
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133 | throw new ArgumentException("The values count should equal the names count.");
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134 | values = new List<double>(value);
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135 | }
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136 | }
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137 |
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138 | public IEnumerable<string> DoubleVariables {
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139 | get { return names; } // all variables are of type double
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140 | }
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141 | }
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142 | }
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