[11571] | 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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[11589] | 98 | public IEnumerable<T> GetValues<T>(string variableName, IEnumerable<int> rows) {
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| 99 | throw new NotImplementedException();
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| 100 | }
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| 101 |
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| 102 | public IEnumerable<T> GetValues<T>(string variableName) {
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| 103 | throw new NotImplementedException();
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| 104 | }
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| 105 |
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[11571] | 106 | public IEnumerable<double> GetDoubleValues(string variableName, IEnumerable<int> rows) {
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| 107 | yield return GetDoubleValue(variableName, 0);
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| 108 | }
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| 109 |
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| 110 | public IEnumerable<double> GetDoubleValues(string variableName) {
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| 111 | yield return GetDoubleValue(variableName, 0);
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| 112 | }
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| 113 |
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| 114 | public ReadOnlyCollection<double> GetReadOnlyDoubleValues(string variableName) {
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| 115 | return GetDoubleValues(variableName, Enumerable.Empty<int>()).ToList().AsReadOnly();
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| 116 | }
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| 117 |
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| 118 | public IEnumerable<string> GetStringValues(string variableName) {
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| 119 | yield return GetDoubleValue(variableName, 0).ToString(CultureInfo.InvariantCulture);
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| 120 | }
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| 121 |
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[11589] | 122 | public IEnumerable<DateTime> GetDateTimeValues(string variableName) {
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| 123 | throw new NotImplementedException();
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| 124 | }
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| 125 |
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[11571] | 126 | public void SetDoubleValue(string variableName, double value) {
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| 127 | int i = names.IndexOf(variableName);
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| 128 | if (i == -1)
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| 129 | throw new ArgumentException("The given variable name is not present in the dataset.");
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| 130 | }
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| 131 |
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| 132 | public IEnumerable<string> VariableNames {
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| 133 | get { return names; }
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| 134 | set {
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| 135 | if (value.Count() != values.Count())
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| 136 | throw new ArgumentException("The names count should equal the values count.");
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| 137 | names = value.ToList();
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| 138 | }
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| 139 | }
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| 140 |
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| 141 | public IEnumerable<double> VariableValues {
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| 142 | get { return values; }
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| 143 | set {
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| 144 | if (value.Count() != names.Count())
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| 145 | throw new ArgumentException("The values count should equal the names count.");
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| 146 | values = new List<double>(value);
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| 147 | }
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| 148 | }
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| 149 |
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| 150 | public IEnumerable<string> DoubleVariables {
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| 151 | get { return names; } // all variables are of type double
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| 152 | }
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| 153 | }
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| 154 | }
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