1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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 System.Linq;
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24 | using HeuristicLab.Common;
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25 | using HeuristicLab.Core;
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26 | using HeuristicLab.Data;
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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 | using HeuristicLab.PluginInfrastructure;
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31 | using HeuristicLab.Algorithms.GeneticAlgorithm;
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32 | using HeuristicLab.Problems.TestFunctions;
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33 |
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34 | namespace HeuristicLab.Problems.MetaOptimization {
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35 | [Item("Meta Optimization Problem", "Represents a Meta Optimization Problem.")]
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36 | [Creatable("Problems")]
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37 | [StorableClass]
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38 | public sealed class MetaOptimizationProblem : SingleObjectiveProblem<IParameterConfigurationEvaluator, IParameterConfigurationCreator> {
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39 | public const string AlgorithmTypeParameterName = "AlgorithmType";
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40 | public const string ProblemTypeParameterName = "ProblemType";
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41 | public const string ProblemsParameterName = "Problems";
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42 | public const string ParameterConfigurationTreeParameterName = "ParameterConfiguration";
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43 | public const string RepetitionsParameterName = "Repetitions";
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44 |
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45 | public const string IntValueManipulatorParameterName = "IntValueManipulator";
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46 | public const string DoubleValueManipulatorParameterName = "DoubleValueManipulator";
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47 | public const string IntValueCrossoverParameterName = "IntValueCrossover";
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48 | public const string DoubleValueCrossoverParameterName = "DoubleValueCrossover";
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49 |
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50 | #region Parameter Properties
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51 | public IValueParameter<ConstrainedTypeValue<IAlgorithm>> AlgorithmTypeParameter {
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52 | get { return (ValueParameter<ConstrainedTypeValue<IAlgorithm>>)Parameters[AlgorithmTypeParameterName]; }
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53 | }
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54 | public IValueParameter<ConstrainedTypeValue<IProblem>> ProblemTypeParameter {
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55 | get { return (ValueParameter<ConstrainedTypeValue<IProblem>>)Parameters[ProblemTypeParameterName]; }
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56 | }
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57 | public IValueParameter<ConstrainedItemList<IProblem>> ProblemsParameter {
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58 | get { return (ValueParameter<ConstrainedItemList<IProblem>>)Parameters[ProblemsParameterName]; }
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59 | }
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60 | public IValueParameter<ParameterConfigurationTree> ParameterConfigurationTreeParameter {
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61 | get { return (ValueParameter<ParameterConfigurationTree>)Parameters[ParameterConfigurationTreeParameterName]; }
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62 | }
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63 | public IValueParameter<IntValue> RepetitionsParameter {
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64 | get { return (ValueParameter<IntValue>)Parameters[RepetitionsParameterName]; }
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65 | }
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66 |
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67 | public IValueParameter<IIntValueManipulator> IntValueManipulatorParameter {
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68 | get { return (ValueParameter<IIntValueManipulator>)Parameters[IntValueManipulatorParameterName]; }
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69 | }
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70 |
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71 | public IValueParameter<IDoubleValueManipulator> DoubleValueManipulatorParameter {
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72 | get { return (ValueParameter<IDoubleValueManipulator>)Parameters[DoubleValueManipulatorParameterName]; }
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73 | }
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74 | #endregion
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75 |
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76 | #region Properties
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77 | public IAlgorithm Algorithm {
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78 | get { return CreateAlgorithm(AlgorithmType.Value, ProblemType.Value); }
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79 | }
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80 | public ConstrainedTypeValue<IAlgorithm> AlgorithmType {
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81 | get { return AlgorithmTypeParameter.Value; }
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82 | set { AlgorithmTypeParameter.Value = value; }
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83 | }
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84 | public ConstrainedTypeValue<IProblem> ProblemType {
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85 | get { return ProblemTypeParameter.Value; }
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86 | set { ProblemTypeParameter.Value = value; }
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87 | }
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88 | public ConstrainedItemList<IProblem> Problems {
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89 | get { return ProblemsParameter.Value; }
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90 | set { ProblemsParameter.Value = value; }
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91 | }
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92 | public ParameterConfigurationTree ParameterConfigurationTree {
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93 | get { return ParameterConfigurationTreeParameter.Value; }
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94 | set { ParameterConfigurationTreeParameter.Value = value; }
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95 | }
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96 | public IntValue Repetitions {
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97 | get { return RepetitionsParameter.Value; }
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98 | set { RepetitionsParameter.Value = value; }
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99 | }
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100 | private BestParameterConfigurationAnalyzer BestParameterConfigurationAnalyzer {
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101 | get { return Operators.OfType<BestParameterConfigurationAnalyzer>().FirstOrDefault(); }
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102 | }
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103 | private ReferenceQualityAnalyzer ReferenceQualityAnalyzer {
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104 | get { return Operators.OfType<ReferenceQualityAnalyzer>().FirstOrDefault(); }
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105 | }
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106 | private SolutionCacheAnalyzer RunsAnalyzer {
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107 | get { return Operators.OfType<SolutionCacheAnalyzer>().FirstOrDefault(); }
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108 | }
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109 | private PMOPopulationDiversityAnalyzer PMOPopulationDiversityAnalyzer {
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110 | get { return Operators.OfType<PMOPopulationDiversityAnalyzer>().FirstOrDefault(); }
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111 | }
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112 | private PMOProblemQualitiesAnalyzer PMOProblemQualitiesAnalyzer {
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113 | get { return Operators.OfType<PMOProblemQualitiesAnalyzer>().FirstOrDefault(); }
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114 | }
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115 | private PMOBestSolutionHistoryAnalyzer PMOBestSolutionHistoryAnalyzer {
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116 | get { return Operators.OfType<PMOBestSolutionHistoryAnalyzer>().FirstOrDefault(); }
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117 | }
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118 | #endregion
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119 |
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120 | public MetaOptimizationProblem()
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121 | : base() {
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122 | Parameters.Add(new ValueParameter<ConstrainedTypeValue<IAlgorithm>>(AlgorithmTypeParameterName, "The algorithm which's parameters should be optimized.", new ConstrainedTypeValue<IAlgorithm>(typeof(GeneticAlgorithm))));
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123 | Parameters.Add(new ValueParameter<ConstrainedTypeValue<IProblem>>(ProblemTypeParameterName, "The problem type.", new ConstrainedTypeValue<IProblem>()));
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124 | Parameters.Add(new ValueParameter<ConstrainedItemList<IProblem>>(ProblemsParameterName, "The problems that should be evaluated.", new ConstrainedItemList<IProblem>()));
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125 | Parameters.Add(new ValueParameter<ParameterConfigurationTree>(ParameterConfigurationTreeParameterName, "Tree of algorithm parameters that should be optimized."));
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126 | Parameters.Add(new ValueParameter<IntValue>(RepetitionsParameterName, "The number of evaluations for each problem.", new IntValue(3)));
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127 |
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128 | var validIntManipulators = new ItemSet<IIntValueManipulator>(ApplicationManager.Manager.GetInstances<IIntValueManipulator>());
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129 | var validDoubleManipulators = new ItemSet<IDoubleValueManipulator>(ApplicationManager.Manager.GetInstances<IDoubleValueManipulator>());
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130 | var validIntCrossovers = new ItemSet<IIntValueCrossover>(ApplicationManager.Manager.GetInstances<IIntValueCrossover>());
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131 | var validDoubleCrossovers = new ItemSet<IDoubleValueCrossover>(ApplicationManager.Manager.GetInstances<IDoubleValueCrossover>());
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132 | Parameters.Add(new ConstrainedValueParameter<IIntValueManipulator>(IntValueManipulatorParameterName, "", validIntManipulators, validIntManipulators.Where(x => x.GetType() == typeof(NormalIntValueManipulator)).SingleOrDefault()));
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133 | Parameters.Add(new ConstrainedValueParameter<IDoubleValueManipulator>(DoubleValueManipulatorParameterName, "", validDoubleManipulators, validDoubleManipulators.Where(x => x.GetType() == typeof(NormalDoubleValueManipulator)).SingleOrDefault()));
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134 | Parameters.Add(new ConstrainedValueParameter<IIntValueCrossover>(IntValueCrossoverParameterName, "", validIntCrossovers, validIntCrossovers.Where(x => x.GetType() == typeof(NormalIntValueCrossover)).SingleOrDefault()));
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135 | Parameters.Add(new ConstrainedValueParameter<IDoubleValueCrossover>(DoubleValueCrossoverParameterName, "", validDoubleCrossovers, validDoubleCrossovers.Where(x => x.GetType() == typeof(NormalDoubleValueCrossover)).SingleOrDefault()));
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136 |
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137 | Maximization = new BoolValue(false);
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138 | SolutionCreator = new RandomParameterConfigurationCreator();
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139 | Evaluator = new PMOEvaluator();
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140 |
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141 | InitializeOperators();
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142 | RegisterParameterEvents();
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143 | ParameterizeAnalyzer();
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144 | ParameterizeSolutionCreator();
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145 | ParameterizeEvaluator();
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146 | ParameterizeOperators();
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147 |
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148 | AlgorithmTypeParameter_ValueChanged(this, EventArgs.Empty);
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149 | }
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150 |
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151 | [StorableConstructor]
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152 | private MetaOptimizationProblem(bool deserializing) : base(deserializing) { }
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153 | private MetaOptimizationProblem(MetaOptimizationProblem original, Cloner cloner)
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154 | : base(original, cloner) {
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155 | this.RegisterParameterEvents();
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156 | }
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157 | public override IDeepCloneable Clone(Cloner cloner) {
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158 | return new MetaOptimizationProblem(this, cloner);
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159 | }
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160 |
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161 | #region Helpers
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162 | [StorableHook(HookType.AfterDeserialization)]
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163 | private void AfterDeserializationHook() {
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164 | RegisterParameterEvents();
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165 | }
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166 | private void RegisterParameterEvents() {
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167 | SolutionCreatorParameter.ValueChanged += new EventHandler(SolutionCreatorParameter_ValueChanged);
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168 | EvaluatorParameter.ValueChanged += new EventHandler(EvaluatorParameter_ValueChanged);
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169 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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170 | AlgorithmTypeParameter.ValueChanged += new EventHandler(AlgorithmTypeParameter_ValueChanged);
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171 | AlgorithmType.ValueChanged += new EventHandler(AlgorithmType_ValueChanged);
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172 | ProblemTypeParameter.ValueChanged += new EventHandler(ProblemTypeParameter_ValueChanged);
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173 | ProblemType.ValueChanged += new EventHandler(ProblemType_ValueChanged);
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174 | }
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175 |
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176 | private void InitializeOperators() {
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177 | Operators.AddRange(ApplicationManager.Manager.GetInstances<IParameterConfigurationOperator>().Cast<IOperator>());
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178 | Operators.Add(new BestParameterConfigurationAnalyzer());
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179 | Operators.Add(new ReferenceQualityAnalyzer());
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180 | Operators.Add(new SolutionCacheAnalyzer());
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181 | Operators.Add(new PMOPopulationDiversityAnalyzer());
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182 | Operators.Add(new PMOProblemQualitiesAnalyzer());
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183 | Operators.Add(new PMOBestSolutionHistoryAnalyzer());
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184 | }
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185 | private void ParameterizeSolutionCreator() {
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186 | }
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187 | private void ParameterizeEvaluator() {
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188 | ((PMOEvaluator)Evaluator).ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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189 | }
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190 | private void ParameterizeAnalyzer() {
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191 | if (BestParameterConfigurationAnalyzer != null) {
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192 | BestParameterConfigurationAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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193 | }
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194 | if (ReferenceQualityAnalyzer != null) {
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195 | ReferenceQualityAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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196 | }
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197 | if (RunsAnalyzer != null) {
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198 | RunsAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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199 | }
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200 | if (PMOPopulationDiversityAnalyzer != null) {
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201 | PMOPopulationDiversityAnalyzer.SolutionParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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202 | PMOPopulationDiversityAnalyzer.StoreHistoryParameter.Value.Value = true;
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203 | }
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204 | if (PMOProblemQualitiesAnalyzer != null) {
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205 | PMOProblemQualitiesAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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206 | }
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207 | if (PMOBestSolutionHistoryAnalyzer != null) {
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208 | PMOBestSolutionHistoryAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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209 | }
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210 | }
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211 | private void ParameterizeOperators() {
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212 | foreach (IParameterConfigurationCrossover op in Operators.OfType<IParameterConfigurationCrossover>()) {
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213 | op.ParentsParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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214 | op.ChildParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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215 | }
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216 | foreach (IParameterConfigurationManipulator op in Operators.OfType<IParameterConfigurationManipulator>()) {
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217 | op.ParameterConfigurationTreeParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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218 | }
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219 | }
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220 |
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221 | #endregion
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222 |
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223 | #region Events
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224 |
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225 | private void SolutionCreatorParameter_ValueChanged(object sender, EventArgs e) {
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226 | ParameterizeSolutionCreator();
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227 | ParameterizeEvaluator();
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228 | ParameterizeAnalyzer();
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229 | ParameterizeOperators();
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230 | OnSolutionCreatorChanged();
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231 | }
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232 | private void EvaluatorParameter_ValueChanged(object sender, EventArgs e) {
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233 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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234 | ParameterizeEvaluator();
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235 | ParameterizeAnalyzer();
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236 | OnEvaluatorChanged();
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237 | }
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238 | private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
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239 | ParameterizeAnalyzer();
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240 | }
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241 | private void AlgorithmTypeParameter_ValueChanged(object sender, EventArgs e) {
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242 | AlgorithmType_ValueChanged(sender, e);
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243 | }
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244 |
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245 | private void AlgorithmType_ValueChanged(object sender, EventArgs e) {
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246 | IAlgorithm instance = (IAlgorithm)Activator.CreateInstance(AlgorithmType.Value);
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247 | this.ProblemType.ValidTypes = ApplicationManager.Manager.GetTypes(instance.ProblemType, true).ToList();
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248 | this.ProblemType.Value = this.ProblemType.ValidTypes.SingleOrDefault(t => t == typeof(SingleObjectiveTestFunctionProblem)) ?? this.ProblemType.ValidTypes.Where(t => t != typeof(MetaOptimizationProblem)).FirstOrDefault();
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249 | if (ProblemType.Value != null) {
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250 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(CreateAlgorithm(AlgorithmType.Value, ProblemType.Value));
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251 | Problems.Add((IProblem)Activator.CreateInstance(this.ProblemType.Value));
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252 | } else {
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253 | ParameterConfigurationTreeParameter.ActualValue = null;
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254 | }
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255 | }
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256 |
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257 | private void ProblemTypeParameter_ValueChanged(object sender, EventArgs e) {
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258 | ProblemType_ValueChanged(sender, e);
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259 | }
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260 |
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261 | private void ProblemType_ValueChanged(object sender, EventArgs e) {
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262 | Problems.Clear();
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263 | Problems.Type = ProblemType.Value;
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264 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(CreateAlgorithm(AlgorithmType.Value, ProblemType.Value));
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265 | }
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266 | #endregion
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267 |
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268 | private IAlgorithm CreateAlgorithm(Type algorithmType, Type problemType) {
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269 | IAlgorithm algorithm = (IAlgorithm)Activator.CreateInstance(algorithmType);
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270 | algorithm.Problem = (IProblem)Activator.CreateInstance(problemType);
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271 | return algorithm;
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272 | }
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273 |
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274 | public void ImportAlgorithm(IAlgorithm algorithm) {
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275 | AlgorithmType.Value = algorithm.GetType();
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276 | if (algorithm.Problem != null) ProblemType.Value = algorithm.Problem.GetType();
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277 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(algorithm);
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278 | if (algorithm.Problem != null) Problems.Add((IProblem)algorithm.Problem);
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279 | }
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280 | }
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281 | }
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