1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using HeuristicLab.Common;
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24 | using HeuristicLab.Core;
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25 | using HeuristicLab.Data;
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26 | using HeuristicLab.Encodings.IntegerVectorEncoding;
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27 | using HeuristicLab.Optimization;
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28 | using HeuristicLab.Parameters;
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29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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30 |
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31 | namespace HeuristicLab.Problems.Orienteering {
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32 |
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33 | [Item("Orienteering Problem", "Represents a single objective Orienteering Problem.")]
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34 | [Creatable("Problems")]
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35 | [StorableClass]
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36 | public class OrienteeringProblem
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37 | : SingleObjectiveHeuristicOptimizationProblem<IOrienteeringEvaluator, IIntegerVectorCreator>,
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38 | IStorableContent {
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39 |
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40 | public string Filename { get; set; }
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41 |
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42 | #region Parameter Properties
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43 | public OptionalValueParameter<DoubleMatrix> CoordinatesParameter {
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44 | get { return (OptionalValueParameter<DoubleMatrix>)Parameters["Coordinates"]; }
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45 | }
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46 | public OptionalValueParameter<DistanceMatrix> DistanceMatrixParameter {
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47 | get { return (OptionalValueParameter<DistanceMatrix>)Parameters["DistanceMatrix"]; }
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48 | }
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49 | public ValueParameter<BoolValue> UseDistanceMatrixParameter {
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50 | get { return (ValueParameter<BoolValue>)Parameters["UseDistanceMatrix"]; }
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51 | }
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52 |
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53 | public ValueParameter<IntValue> StartingPointParameter {
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54 | get { return (ValueParameter<IntValue>)Parameters["StartingPoint"]; }
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55 | }
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56 | public ValueParameter<IntValue> TerminusPointParameter {
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57 | get { return (ValueParameter<IntValue>)Parameters["TerminusPoint"]; }
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58 | }
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59 | public ValueParameter<DoubleValue> MaximumDistanceParameter {
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60 | get { return (ValueParameter<DoubleValue>)Parameters["MaximumDistance"]; }
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61 | }
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62 | public ValueParameter<DoubleArray> ScoresParameter {
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63 | get { return (ValueParameter<DoubleArray>)Parameters["Scores"]; }
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64 | }
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65 | public ValueParameter<DoubleValue> FixedPenaltyParameter {
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66 | get { return (ValueParameter<DoubleValue>)Parameters["FixedPenalty"]; }
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67 | }
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68 |
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69 | public OptionalValueParameter<IntegerVector> BestKnownSolutionParameter {
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70 | get { return (OptionalValueParameter<IntegerVector>)Parameters["BestKnownSolution"]; }
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71 | }
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72 | #endregion
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73 |
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74 | #region Properties
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75 | public DoubleMatrix Coordinates {
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76 | get { return CoordinatesParameter.Value; }
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77 | set { CoordinatesParameter.Value = value; }
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78 | }
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79 | public DistanceMatrix DistanceMatrix {
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80 | get { return DistanceMatrixParameter.Value; }
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81 | set { DistanceMatrixParameter.Value = value; }
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82 | }
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83 | public BoolValue UseDistanceMatrix {
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84 | get { return UseDistanceMatrixParameter.Value; }
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85 | set { UseDistanceMatrixParameter.Value = value; }
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86 | }
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87 | public DoubleValue MaximumDistance {
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88 | get { return MaximumDistanceParameter.Value; }
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89 | set { MaximumDistanceParameter.Value = value; }
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90 | }
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91 | public DoubleArray Scores {
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92 | get { return ScoresParameter.Value; }
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93 | set { ScoresParameter.Value = value; }
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94 | }
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95 | public IntegerVector BestKnownSolution {
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96 | get { return BestKnownSolutionParameter.Value; }
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97 | set { BestKnownSolutionParameter.Value = value; }
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98 | }
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99 | #endregion
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100 |
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101 | [StorableConstructor]
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102 | private OrienteeringProblem(bool deserializing)
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103 | : base(deserializing) {
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104 | }
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105 |
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106 | private OrienteeringProblem(OrienteeringProblem original, Cloner cloner)
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107 | : base(original, cloner) {
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108 | RegisterEventHandlers();
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109 | }
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110 |
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111 | public override IDeepCloneable Clone(Cloner cloner) {
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112 | return new OrienteeringProblem(this, cloner);
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113 | }
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114 |
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115 |
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116 | public OrienteeringProblem()
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117 | : base(new OrienteeringEvaluator(), new UniformRandomIntegerVectorCreator()) {
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118 | Parameters.Add(new OptionalValueParameter<DoubleMatrix>("Coordinates", "The x- and y-Coordinates of the points."));
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119 | Parameters.Add(new OptionalValueParameter<DistanceMatrix>("DistanceMatrix", "The matrix which contains the distances between the points."));
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120 | Parameters.Add(new ValueParameter<BoolValue>("UseDistanceMatrix", "True if the coordinates based evaluators should calculate the distance matrix from the coordinates and use it for evaluation similar to the distance matrix evaluator, otherwise false.", new BoolValue(true)));
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121 | Parameters.Add(new ValueParameter<IntValue>("StartingPoint", "Index of the starting point.", new IntValue(0)));
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122 | Parameters.Add(new ValueParameter<IntValue>("TerminusPoint", "Index of the ending point.", new IntValue(0)));
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123 | Parameters.Add(new ValueParameter<DoubleValue>("MaximumDistance", "The maximum distance constraint for a Orienteering solution."));
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124 | Parameters.Add(new ValueParameter<DoubleArray>("Scores", "The scores of the points.", new DoubleArray()));
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125 | Parameters.Add(new ValueParameter<DoubleValue>("FixedPenalty", "The penalty for each visited vertex."));
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126 | Parameters.Add(new OptionalValueParameter<IntegerVector>("BestKnownSolution", "The best known solution of this Orienteering instance."));
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127 |
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128 | Maximization.Value = true;
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129 | MaximizationParameter.Hidden = true;
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130 |
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131 | SolutionCreator.IntegerVectorParameter.ActualName = "OrienteeringSolution";
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132 |
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133 | InitializeRandomOrienteeringInstance();
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134 |
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135 | ParameterizeSolutionCreator();
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136 | ParameterizeEvaluator();
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137 |
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138 | InitializeOperators();
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139 | RegisterEventHandlers();
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140 | }
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141 |
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142 | #region Events
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143 | protected override void OnSolutionCreatorChanged() {
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144 | base.OnSolutionCreatorChanged();
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145 | SolutionCreator.IntegerVectorParameter.ActualNameChanged += new EventHandler(SolutionCreator_IntegerVectorParameter_ActualNameChanged);
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146 | ParameterizeSolutionCreator();
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147 | ParameterizeEvaluator();
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148 | ParameterizeAnalyzer();
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149 | ParameterizeOperators();
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150 | }
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151 | protected override void OnEvaluatorChanged() {
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152 | base.OnEvaluatorChanged();
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153 | ParameterizeEvaluator();
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154 | ParameterizeAnalyzer();
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155 | }
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156 | private void SolutionCreator_IntegerVectorParameter_ActualNameChanged(object sender, EventArgs e) {
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157 | ParameterizeEvaluator();
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158 | ParameterizeAnalyzer();
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159 | ParameterizeOperators();
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160 | }
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161 | #endregion
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162 |
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163 | #region Helpers
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164 | [StorableHook(HookType.AfterDeserialization)]
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165 | private void AfterDeserialization() {
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166 | RegisterEventHandlers();
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167 | }
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168 |
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169 | private void RegisterEventHandlers() {
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170 | SolutionCreator.IntegerVectorParameter.ActualNameChanged += new EventHandler(SolutionCreator_IntegerVectorParameter_ActualNameChanged);
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171 | // TODO
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172 | }
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173 | private void ParameterizeSolutionCreator() {
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174 | if (SolutionCreator.LengthParameter.Value == null
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175 | || SolutionCreator.LengthParameter.Value.Value != Scores.Length) {
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176 | SolutionCreator.LengthParameter.Value = new IntValue(Scores.Length);
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177 | }
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178 | }
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179 | private void ParameterizeEvaluator() {
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180 | if (Evaluator is OrienteeringEvaluator) {
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181 | var orienteeringEvaluator = (OrienteeringEvaluator)Evaluator;
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182 | // TODO
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183 | }
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184 | }
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185 | private void ParameterizeAnalyzer() {
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186 | // TODO
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187 | }
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188 | private void InitializeOperators() {
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189 | // TODO
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190 | }
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191 | private void ParameterizeOperators() {
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192 | // TODO
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193 | }
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194 | #endregion
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195 |
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196 | private void InitializeRandomOrienteeringInstance() {
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197 | // TODO
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198 | }
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199 | }
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200 | } |
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