1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Security.Policy;
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5 | using HeuristicLab.Algorithms.ALPS;
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6 | using HeuristicLab.Analysis;
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7 | using HeuristicLab.Collections;
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8 | using HeuristicLab.Common;
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9 | using HeuristicLab.Core;
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10 | using HeuristicLab.Data;
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11 | using HeuristicLab.Operators;
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12 | using HeuristicLab.Optimization;
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13 | using HeuristicLab.Optimization.Operators;
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14 | using HeuristicLab.Parameters;
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15 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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16 | using HeuristicLab.PluginInfrastructure;
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17 | using HeuristicLab.Random;
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18 | using HeuristicLab.Selection;
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19 |
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20 | namespace HeuristicLab.Algorithms.IslandALPS {
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21 | [Item("IslandALPS", "An island version of ALPS")]
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22 | [StorableClass]
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23 | [Creatable(CreatableAttribute.Categories.PopulationBasedAlgorithms, Priority = 100)]
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24 | public class IslandAlpsAlgorithm : HeuristicOptimizationEngineAlgorithm, IStorableContent {
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25 | public string Filename { get; set; }
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26 |
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27 | #region Problem Properties
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28 |
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29 | public override Type ProblemType {
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30 | get { return typeof (ISingleObjectiveHeuristicOptimizationProblem); }
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31 | }
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32 |
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33 | public new ISingleObjectiveHeuristicOptimizationProblem Problem {
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34 | get { return (ISingleObjectiveHeuristicOptimizationProblem) base.Problem; }
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35 | set { base.Problem = value; }
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36 | }
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37 |
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38 | #endregion
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39 |
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40 | #region Parameter Properties
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41 |
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42 | #region ALPSParameter
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43 | private IValueParameter<IntValue> AgeGapParameter {
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44 | get { return (IValueParameter<IntValue>) Parameters["AgeGap"]; }
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45 | }
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46 | private IValueParameter<EnumValue<AgingScheme>> AgingSchemeParameter {
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47 | get { return (IValueParameter<EnumValue<AgingScheme>>)Parameters["AgingScheme"]; }
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48 | }
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49 | private IValueParameter<DoubleValue> AgeInheritanceParameter {
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50 | get { return (IValueParameter<DoubleValue>) Parameters["AgeInheritance"]; }
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51 | }
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52 | private IValueParameter<IntArray> AgeLimitsParameter {
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53 | get { return (IValueParameter<IntArray>) Parameters["AgeLimits"]; }
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54 | }
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55 | private IValueParameter<BoolValue> ReduceToPopulationSizeParameter {
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56 | get { return (IValueParameter<BoolValue>) Parameters["ReduceToPopulationSize"]; }
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57 | }
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58 | private IValueParameter<IntValue> NumberOfLayersParameter {
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59 | get { return (IValueParameter<IntValue>) Parameters["NumberOfLayers"]; }
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60 | }
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61 | private IValueParameter<MultiAnalyzer> LayerAnalyzerParameter {
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62 | get { return (IValueParameter<MultiAnalyzer>)Parameters["LayerAnalyzer"]; }
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63 | }
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64 | private IValueParameter<MultiAnalyzer> GroupAnalyzerParameter {
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65 | get { return (IValueParameter<MultiAnalyzer>)Parameters["GroupAnalyzer"]; }
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66 | }
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67 | private IValueParameter<BoolValue> PlusSelectionParameter {
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68 | get { return (IValueParameter<BoolValue>)Parameters["PlusSelection"]; }
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69 | }
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70 | #endregion
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71 |
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72 | #region IslandParameter
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73 | private IValueParameter<MultiAnalyzer> IslandAnalyzerParameter {
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74 | get { return (IValueParameter<MultiAnalyzer>) Parameters["IslandAnalyzer"]; }
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75 | }
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76 | private IValueParameter<IntValue> NumberOfIslandsParameter {
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77 | get { return (IValueParameter<IntValue>) Parameters["NumberOfIslands"]; }
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78 | }
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79 | private IValueParameter<PercentValue> MigrationRateParameter {
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80 | get { return (IValueParameter<PercentValue>)Parameters["MigrationRate"]; }
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81 | }
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82 | private IValueParameter<IntValue> MigrationIntervalParameter {
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83 | get { return (IValueParameter<IntValue>)Parameters["MigrationInterval"]; }
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84 | }
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85 |
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86 | #endregion
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87 |
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88 | #region GeneralParameter
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89 | private IValueParameter<IntValue> SeedParameter {
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90 | get { return (IValueParameter<IntValue>) Parameters["Seed"]; }
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91 | }
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92 | private IValueParameter<BoolValue> SetSeedRandomlyParameter {
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93 | get { return (IValueParameter<BoolValue>) Parameters["SetSeedRandomly"]; }
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94 | }
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95 | private IValueParameter<IntValue> PopulationSizeParameter {
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96 | get { return (IValueParameter<IntValue>) Parameters["PopulationSize"]; }
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97 | }
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98 | private IValueParameter<MultiAnalyzer> AnalyzerParameter {
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99 | get { return (IValueParameter<MultiAnalyzer>) Parameters["Analyzer"]; }
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100 | }
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101 | public IConstrainedValueParameter<ISelector> SelectorParameter {
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102 | get { return (IConstrainedValueParameter<ISelector>) Parameters["Selector"]; }
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103 | }
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104 | public IConstrainedValueParameter<ICrossover> CrossoverParameter {
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105 | get { return (IConstrainedValueParameter<ICrossover>) Parameters["Crossover"]; }
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106 | }
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107 | private IValueParameter<PercentValue> MutationProbabilityParameter {
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108 | get { return (IValueParameter<PercentValue>) Parameters["MutationProbability"]; }
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109 | }
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110 | public IConstrainedValueParameter<IManipulator> MutatorParameter {
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111 | get { return (IConstrainedValueParameter<IManipulator>) Parameters["Mutator"]; }
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112 | }
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113 | private IValueParameter<IntValue> ElitesParameter {
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114 | get { return (IValueParameter<IntValue>) Parameters["Elites"]; }
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115 | }
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116 | private IFixedValueParameter<BoolValue> ReevaluateElitesParameter {
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117 | get { return (IFixedValueParameter<BoolValue>) Parameters["ReevaluateElites"]; }
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118 | }
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119 | private IValueParameter<MultiTerminator> TerminatorParameter {
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120 | get { return (IValueParameter<MultiTerminator>) Parameters["Terminator"]; }
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121 | }
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122 | #endregion
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123 | #endregion
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124 |
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125 | #region Properties
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126 | public IntValue Seed {
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127 | get { return SeedParameter.Value; }
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128 | set { SeedParameter.Value = value; }
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129 | }
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130 | public BoolValue SetSeedRandomly {
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131 | get { return SetSeedRandomlyParameter.Value; }
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132 | set { SetSeedRandomlyParameter.Value = value; }
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133 | }
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134 | public IntValue PopulationSize {
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135 | get { return PopulationSizeParameter.Value; }
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136 | set { PopulationSizeParameter.Value = value; }
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137 | }
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138 | public IntValue NumberOfIslands {
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139 | get { return NumberOfIslandsParameter.Value; }
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140 | set { NumberOfIslandsParameter.Value = value; }
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141 | }
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142 | public MultiAnalyzer Analyzer {
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143 | get { return AnalyzerParameter.Value; }
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144 | set { AnalyzerParameter.Value = value; }
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145 | }
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146 | public MultiAnalyzer IslandAnalyzer {
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147 | get { return IslandAnalyzerParameter.Value; }
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148 | set { IslandAnalyzerParameter.Value = value; }
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149 | }
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150 | public MultiAnalyzer LayerAnalyzer {
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151 | get { return LayerAnalyzerParameter.Value; }
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152 | set { LayerAnalyzerParameter.Value = value; }
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153 | }
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154 | public MultiAnalyzer GroupAnalyzer {
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155 | get { return GroupAnalyzerParameter.Value; }
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156 | set { GroupAnalyzerParameter.Value = value; }
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157 | }
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158 | public ISelector Selector {
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159 | get { return SelectorParameter.Value; }
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160 | set { SelectorParameter.Value = value; }
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161 | }
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162 | public ICrossover Crossover {
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163 | get { return CrossoverParameter.Value; }
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164 | set { CrossoverParameter.Value = value; }
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165 | }
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166 | public PercentValue MutationProbability {
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167 | get { return MutationProbabilityParameter.Value; }
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168 | set { MutationProbabilityParameter.Value = value; }
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169 | }
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170 | public IManipulator Mutator {
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171 | get { return MutatorParameter.Value; }
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172 | set { MutatorParameter.Value = value; }
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173 | }
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174 | public IntValue Elites {
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175 | get { return ElitesParameter.Value; }
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176 | set { ElitesParameter.Value = value; }
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177 | }
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178 | public bool ReevaluteElites {
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179 | get { return ReevaluateElitesParameter.Value.Value; }
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180 | set { ReevaluateElitesParameter.Value.Value = value; }
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181 | }
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182 | public MultiTerminator Terminators {
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183 | get { return TerminatorParameter.Value; }
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184 | }
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185 | public EnumValue<AgingScheme> AgingScheme {
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186 | get { return AgingSchemeParameter.Value; }
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187 | set { AgingSchemeParameter.Value = value; }
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188 | }
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189 | public IntValue AgeGap {
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190 | get { return AgeGapParameter.Value; }
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191 | set { AgeGapParameter.Value = value; }
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192 | }
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193 | public DoubleValue AgeInheritance {
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194 | get { return AgeInheritanceParameter.Value; }
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195 | set { AgeInheritanceParameter.Value = value; }
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196 | }
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197 | public IntArray AgeLimits {
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198 | get { return AgeLimitsParameter.Value; }
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199 | set { AgeLimitsParameter.Value = value; }
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200 | }
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201 | public IntValue NumberOfLayers {
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202 | get { return NumberOfLayersParameter.Value; }
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203 | set { NumberOfLayersParameter.Value = value; }
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204 | }
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205 | #endregion
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206 |
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207 | #region Helper Properties
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208 |
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209 | private IslandAlpsAlgorthmsMainLoop MainLoop {
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210 | get { return OperatorGraph.Iterate().OfType<IslandAlpsAlgorthmsMainLoop>().First(); }
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211 | }
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212 |
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213 | private SolutionsCreator SolutionsCreator {
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214 | get { return OperatorGraph.Iterate().OfType<SolutionsCreator>().First(); }
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215 | }
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216 |
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217 | #endregion
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218 |
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219 | #region Preconfigured Terminators
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220 |
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221 | [Storable] private readonly ComparisonTerminator<IntValue> generationsTerminator;
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222 | [Storable] private readonly ComparisonTerminator<IntValue> evaluationsTerminator;
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223 | [Storable] private readonly SingleObjectiveQualityTerminator qualityTerminator;
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224 | [Storable] private readonly ExecutionTimeTerminator executionTimeTerminator;
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225 |
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226 | #endregion
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227 |
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228 | #region Preconfigured Analyzers
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229 |
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230 | [Storable] private readonly BestAverageWorstQualityAnalyzer qualityAnalyzer;
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231 | [Storable] private readonly BestAverageWorstQualityAnalyzer islandQualityAnalyzer;
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232 | [Storable] private readonly BestAverageWorstQualityAnalyzer layerQualityAnalyzer;
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233 | [Storable] private readonly BestAverageWorstQualityAnalyzer groupQualityAnalyzer;
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234 |
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235 | #endregion
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236 |
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237 | #region Constructors
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238 |
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239 | [StorableConstructor]
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240 | private IslandAlpsAlgorithm(bool deserializing) : base(deserializing) {
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241 | }
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242 |
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243 | [StorableHook(HookType.AfterDeserialization)]
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244 | private void AfterDeserialization() {
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245 | InitializeEventHandler();
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246 | }
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247 |
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248 | private IslandAlpsAlgorithm(IslandAlpsAlgorithm original, Cloner cloner)
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249 | : base(original, cloner) {
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250 | //clone Properties
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251 |
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252 | //analyzer
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253 | qualityAnalyzer = cloner.Clone(original.qualityAnalyzer);
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254 | islandQualityAnalyzer = cloner.Clone(original.islandQualityAnalyzer);
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255 | layerQualityAnalyzer = cloner.Clone(original.layerQualityAnalyzer);
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256 | groupQualityAnalyzer = cloner.Clone(original.groupQualityAnalyzer);
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257 | //terminator
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258 | generationsTerminator = cloner.Clone(original.generationsTerminator);
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259 | evaluationsTerminator = cloner.Clone(original.evaluationsTerminator);
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260 | qualityTerminator = cloner.Clone(original.qualityTerminator);
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261 | executionTimeTerminator = cloner.Clone(original.executionTimeTerminator);
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262 |
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263 | InitializeEventHandler();
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264 | }
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265 |
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266 | public IslandAlpsAlgorithm() {
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267 | #region add Parameter
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268 | #region ALPSParameter
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269 | Parameters.Add(new ValueParameter<IntValue>("AgeGap", "The frequency of reseeding the lowest layer and scaling factor for the age-limits for the layers.", new IntValue(5)));
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270 | Parameters.Add(new ValueParameter<DoubleValue>("AgeInheritance", "A weight that determines the age of a child after crossover based on the older (1.0) and younger (0.0) parent.", new DoubleValue(0.5)));
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271 | Parameters.Add(new ValueParameter<IntArray>("AgeLimits", "The maximum age an individual is allowed to reach in a certain layer.", new IntArray(new int[0])) { Hidden = true });
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272 | Parameters.Add(new ValueParameter<EnumValue<AgingScheme>>("AgingScheme", "The aging scheme for setting the age-limits for the layers.", new EnumValue<AgingScheme>(ALPS.AgingScheme.Polynomial)));
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273 | Parameters.Add(new ValueParameter<BoolValue>("ReduceToPopulationSize", ".", new BoolValue(true)));
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274 |
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275 | Parameters.Add(new ValueParameter<IntValue>("NumberOfLayers", "", new IntValue(10)));
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276 | Parameters.Add(new ValueParameter<MultiAnalyzer>("LayerAnalyzer", "The operator used to analyze each layer.", new MultiAnalyzer()));
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277 | Parameters.Add(new ValueParameter<MultiAnalyzer>("GroupAnalyzer", "The operator used to analyze each layergroup.", new MultiAnalyzer()));
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278 | Parameters.Add(new ValueParameter<BoolValue>("PlusSelection", "Include the parents in the selection of the invividuals for the next generation.", new BoolValue(false)));
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279 |
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280 | #endregion
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281 | #region IslandParameter
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282 | Parameters.Add(new ValueParameter<IntValue>("NumberOfIslands", "The number of islands.", new IntValue(5)));
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283 | Parameters.Add(new ValueParameter<PercentValue>("MigrationRate", "How many individuals should migrate.", new PercentValue(0.15)));
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284 | Parameters.Add(new ValueParameter<IntValue>("MigrationInterval", "The number Generations before a migration occurs.", new IntValue(20)));
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285 | Parameters.Add(new ValueParameter<MultiAnalyzer>("IslandAnalyzer", "The operator used to analyze each island.", new MultiAnalyzer()));
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286 |
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287 | #endregion
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288 | #region GeneralParameter
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289 | Parameters.Add(new ValueParameter<IntValue>("Seed", "The random seed used to initialize the new pseudo random number generator.", new IntValue(0)));
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290 | Parameters.Add(new ValueParameter<BoolValue>("SetSeedRandomly", "True if the random seed should be set to a random value, otherwise false.", new BoolValue(true)));
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291 | Parameters.Add(new ValueParameter<IntValue>("PopulationSize", "The size of the population of solutions.", new IntValue(100)));
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292 | Parameters.Add(new ValueParameter<MultiAnalyzer>("Analyzer", "The operator used to analyze the islands.", new MultiAnalyzer()));
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293 | Parameters.Add(new ConstrainedValueParameter<ISelector>("Selector", "The operator used to select solutions for reproduction."));
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294 | Parameters.Add(new ConstrainedValueParameter<ICrossover>("Crossover", "The operator used to cross solutions."));
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295 | Parameters.Add(new ValueParameter<PercentValue>("MutationProbability", "The probability that the mutation operator is applied on a solution.", new PercentValue(0.05)));
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296 | Parameters.Add(new OptionalConstrainedValueParameter<IManipulator>("Mutator", "The operator used to mutate solutions."));
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297 | Parameters.Add(new ValueParameter<IntValue>("Elites", "The numer of elite solutions which are kept in each generation.", new IntValue(1)));
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298 | Parameters.Add(new FixedValueParameter<BoolValue>("ReevaluateElites", "Flag to determine if elite individuals should be reevaluated (i.e., if stochastic fitness functions are used.)", new BoolValue(false)) { Hidden = true });
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299 | Parameters.Add(new ValueParameter<MultiTerminator>("Terminator", "The termination criteria that defines if the algorithm should continue or stop.", new MultiTerminator()));
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300 | #endregion
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301 |
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302 | #endregion
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303 |
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304 | #region create Operators
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305 |
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306 | var globalRandomCreator = new RandomCreator();
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307 | var islandLayerCreator = new SubScopesCreator {Name = "Create Islands"};
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308 | var islandUssp = new UniformSubScopesProcessor();
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309 | var islandRandomCreator = new LocalRandomCreator();
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310 | var layerZeroCreator = new SubScopesCreator {Name = "Create Layer 0"};
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311 | var layerZeroUssp = new UniformSubScopesProcessor();
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312 | var layerRandomCreator = new LocalRandomCreator();
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313 | var islandSolutionsCounter = new DataReducer {Name = "Count IslandSolutions"};
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314 | var layerSolutionCreator = new SolutionsCreator();
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315 | var ageInitializerUssp = new UniformSubScopesProcessor();
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316 | var ageInitializerVc = new VariableCreator {Name = "Initialize Age"};
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317 | var evaluatedSolutionsVc = new VariableCreator {Name = "Create LayerEvaluatedSolutions"};
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318 | var evaluatedSolutionsCounter = new SubScopesCounter {Name = "Count LayerEvaluatedSolutions"};
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319 | var globalEvaluatedSolutionsCounter = new DataReducer {Name = "Count GlobalSolutions"};
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320 | var resultsCollector = new ResultsCollector();
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321 | var mainLoop = new IslandAlpsAlgorthmsMainLoop();
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322 |
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323 | #endregion
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324 |
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325 | #region Set selectors
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326 |
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327 | var selectors = ApplicationManager.Manager.GetInstances<ISelector>()
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328 | .Where(s => !(s is IMultiObjectiveSelector))
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329 | .OrderBy(s => Name);
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330 | foreach (var selector in selectors)
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331 | SelectorParameter.ValidValues.Add(selector);
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332 |
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333 | var defaultSelector = SelectorParameter.ValidValues.OfType<GeneralizedRankSelector>().FirstOrDefault();
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334 | if (defaultSelector != null) {
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335 | defaultSelector.PressureParameter.Value = new DoubleValue(4.0);
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336 | SelectorParameter.Value = defaultSelector;
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337 | }
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338 |
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339 | #endregion
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340 |
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341 | #region Create Analyzers
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342 |
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343 | qualityAnalyzer = new BestAverageWorstQualityAnalyzer();
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344 | islandQualityAnalyzer = new BestAverageWorstQualityAnalyzer();
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345 | layerQualityAnalyzer = new BestAverageWorstQualityAnalyzer();
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346 | groupQualityAnalyzer = new BestAverageWorstQualityAnalyzer();
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347 | #endregion
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348 |
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349 | #region Create terminators
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350 |
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351 | generationsTerminator = new ComparisonTerminator<IntValue>("Generations", ComparisonType.Less, new IntValue(1000)) {
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352 | Name = "Generations"
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353 | };
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354 | evaluationsTerminator = new ComparisonTerminator<IntValue>("EvaluatedSolutions", ComparisonType.Less,
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355 | new IntValue(int.MaxValue)) {Name = "Evaluations"};
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356 | qualityTerminator = new SingleObjectiveQualityTerminator {Name = "Quality"};
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357 | executionTimeTerminator = new ExecutionTimeTerminator(this, new TimeSpanValue(TimeSpan.FromMinutes(5)));
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358 |
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359 | #endregion
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360 |
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361 | #region Operator Graph
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362 |
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363 | globalRandomCreator.RandomParameter.ActualName = "GlobalRandom";
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364 | globalRandomCreator.SetSeedRandomlyParameter.ActualName = SetSeedRandomlyParameter.Name;
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365 | globalRandomCreator.SetSeedRandomlyParameter.Value = null;
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366 | globalRandomCreator.SeedParameter.ActualName = SeedParameter.Name;
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367 | globalRandomCreator.SeedParameter.Value = null;
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368 |
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369 | //create islands
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370 | islandLayerCreator.NumberOfSubScopesParameter.ActualName = NumberOfIslandsParameter.Name;
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371 |
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372 | islandRandomCreator.GlobalRandomParameter.ActualName = globalRandomCreator.RandomParameter.ActualName;
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373 | islandRandomCreator.LocalRandomParameter.ActualName = "IslandRandom";
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374 |
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375 | layerZeroCreator.NumberOfSubScopesParameter.Value = new IntValue(1);
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376 |
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377 | islandSolutionsCounter.ParameterToReduce.Depth = 1;
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378 | islandSolutionsCounter.ParameterToReduce.ActualName = "LayerEvaluatedSolutions";
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379 | islandSolutionsCounter.TargetParameter.ActualName = "IslandEvaluatedSolutions";
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380 | islandSolutionsCounter.ReductionOperation.Value.Value = ReductionOperations.Sum;
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381 | islandSolutionsCounter.TargetOperation.Value.Value = ReductionOperations.Assign;
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382 |
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383 | layerRandomCreator.GlobalRandomParameter.ActualName = globalRandomCreator.RandomParameter.ActualName;
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384 | layerRandomCreator.LocalRandomParameter.ActualName = "LayerRandom";
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385 |
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386 | layerSolutionCreator.NumberOfSolutionsParameter.ActualName = PopulationSizeParameter.Name;
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387 | layerSolutionCreator.ParallelParameter.Value = new BoolValue(true);
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388 |
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389 | ageInitializerVc.CollectedValues.Add(new ValueParameter<DoubleValue>("Age", new DoubleValue(0)));
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390 |
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391 | evaluatedSolutionsVc.CollectedValues.Add(new ValueParameter<IntValue>("LayerEvaluatedSolutions", new IntValue(0)));
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392 |
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393 | evaluatedSolutionsCounter.ValueParameter.ActualName = "LayerEvaluatedSolutions";
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394 |
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395 | globalEvaluatedSolutionsCounter.ParameterToReduce.Depth = 1;
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396 | globalEvaluatedSolutionsCounter.ParameterToReduce.ActualName = "IslandEvaluatedSolutions";
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397 | globalEvaluatedSolutionsCounter.TargetParameter.ActualName = "EvaluatedSolutions";
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398 | globalEvaluatedSolutionsCounter.ReductionOperation.Value.Value = ReductionOperations.Sum;
|
---|
399 | globalEvaluatedSolutionsCounter.TargetOperation.Value.Value = ReductionOperations.Assign;
|
---|
400 |
|
---|
401 | resultsCollector.CollectedValues.Add(new LookupParameter<IntValue>("EvaluatedSolutions"));
|
---|
402 |
|
---|
403 | //flow
|
---|
404 | OperatorGraph.InitialOperator = globalRandomCreator;
|
---|
405 | globalRandomCreator.Successor = islandLayerCreator;
|
---|
406 | islandLayerCreator.Successor = islandUssp;
|
---|
407 | islandUssp.Operator = islandRandomCreator;
|
---|
408 | islandRandomCreator.Successor = layerZeroCreator;
|
---|
409 | layerZeroCreator.Successor = layerZeroUssp;
|
---|
410 | layerZeroUssp.Operator = layerRandomCreator;
|
---|
411 | layerRandomCreator.Successor = layerSolutionCreator;
|
---|
412 | layerSolutionCreator.Successor = ageInitializerUssp;
|
---|
413 | ageInitializerUssp.Operator = ageInitializerVc;
|
---|
414 | ageInitializerVc.Successor = null;
|
---|
415 | ageInitializerUssp.Successor = evaluatedSolutionsVc;
|
---|
416 | evaluatedSolutionsVc.Successor = evaluatedSolutionsCounter;
|
---|
417 | evaluatedSolutionsCounter.Successor = null;
|
---|
418 | layerZeroUssp.Successor = islandSolutionsCounter;
|
---|
419 | islandSolutionsCounter.Successor = null;
|
---|
420 | islandUssp.Successor = globalEvaluatedSolutionsCounter;
|
---|
421 | globalEvaluatedSolutionsCounter.Successor = resultsCollector;
|
---|
422 | resultsCollector.Successor = mainLoop;
|
---|
423 |
|
---|
424 | #endregion
|
---|
425 | #region parametrize
|
---|
426 | ParameterizeAnalyzers();
|
---|
427 | UpdateAnalyzers();
|
---|
428 | ParameterizeSelectors();
|
---|
429 | UpdateTerminators();
|
---|
430 | ParameterizeAgeLimits();
|
---|
431 | #endregion
|
---|
432 |
|
---|
433 | InitializeEventHandler();
|
---|
434 | }
|
---|
435 |
|
---|
436 |
|
---|
437 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
438 | return new IslandAlpsAlgorithm(this, cloner);
|
---|
439 | }
|
---|
440 |
|
---|
441 | #endregion
|
---|
442 |
|
---|
443 | #region events
|
---|
444 |
|
---|
445 | protected override void OnProblemChanged() {
|
---|
446 | base.OnProblemChanged();
|
---|
447 | ParameterizeStochasticOperator(Problem.SolutionCreator);
|
---|
448 | ParameterizeStochasticOperatorForLayer(Problem.Evaluator);
|
---|
449 | foreach (var op in Problem.Operators.OfType<IOperator>()) {
|
---|
450 | ParameterizeStochasticOperator(op);
|
---|
451 | }
|
---|
452 |
|
---|
453 | ParameterizeSolutionsCreator();
|
---|
454 | ParameterizeMainLoop();
|
---|
455 | ParameterizeSelectors();
|
---|
456 | ParameterizeAnalyzers();
|
---|
457 | ParameterizeIterationBasedOperators();
|
---|
458 |
|
---|
459 | UpdateAnalyzers();
|
---|
460 | UpdateCrossovers();
|
---|
461 | UpdateMutators();
|
---|
462 | UpdateTerminators();
|
---|
463 | }
|
---|
464 |
|
---|
465 | protected override void Problem_SolutionCreatorChanged(object sender, EventArgs e) {
|
---|
466 | base.Problem_SolutionCreatorChanged(sender, e);
|
---|
467 | ParameterizeStochasticOperator(Problem.SolutionCreator);
|
---|
468 | ParameterizeSolutionsCreator();
|
---|
469 | }
|
---|
470 |
|
---|
471 | protected override void Problem_EvaluatorChanged(object sender, EventArgs e) {
|
---|
472 | base.Problem_EvaluatorChanged(sender, e);
|
---|
473 |
|
---|
474 | ParameterizeStochasticOperatorForLayer(Problem.Evaluator);
|
---|
475 | ParameterizeSolutionsCreator();
|
---|
476 | ParameterizeMainLoop();
|
---|
477 | ParameterizeSelectors();
|
---|
478 | ParameterizeAnalyzers();
|
---|
479 | ParameterizeTerminators();
|
---|
480 |
|
---|
481 | Problem.Evaluator.QualityParameter.ActualNameChanged += Evaluator_QualityParameter_ActualNameChanged;
|
---|
482 |
|
---|
483 | UpdateAnalyzers();
|
---|
484 | UpdateCrossovers();
|
---|
485 | UpdateMutators();
|
---|
486 | UpdateTerminators();
|
---|
487 | }
|
---|
488 |
|
---|
489 | protected override void Problem_OperatorsChanged(object sender, EventArgs e) {
|
---|
490 | base.Problem_OperatorsChanged(sender, e);
|
---|
491 | UpdateAnalyzers();
|
---|
492 | UpdateTerminators();
|
---|
493 | }
|
---|
494 |
|
---|
495 | #endregion
|
---|
496 |
|
---|
497 | #region Update Functions
|
---|
498 |
|
---|
499 | private void UpdateCrossovers() {
|
---|
500 | var oldCrossover = CrossoverParameter.Value;
|
---|
501 | var defaultCrossover = Problem.Operators.OfType<ICrossover>().FirstOrDefault();
|
---|
502 | CrossoverParameter.ValidValues.Clear();
|
---|
503 | foreach (var crossover in Problem.Operators.OfType<ICrossover>().OrderBy(x => x.Name)) {
|
---|
504 | ParameterizeStochasticOperatorForLayer(crossover);
|
---|
505 | CrossoverParameter.ValidValues.Add(crossover);
|
---|
506 | }
|
---|
507 | if (oldCrossover != null) {
|
---|
508 | var crossover = CrossoverParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldCrossover.GetType());
|
---|
509 | if (crossover != null) CrossoverParameter.Value = crossover;
|
---|
510 | else oldCrossover = null;
|
---|
511 | }
|
---|
512 | if (oldCrossover == null && defaultCrossover != null)
|
---|
513 | CrossoverParameter.Value = defaultCrossover;
|
---|
514 | }
|
---|
515 |
|
---|
516 | private void UpdateMutators() {
|
---|
517 | var oldMutator = MutatorParameter.Value;
|
---|
518 | MutatorParameter.ValidValues.Clear();
|
---|
519 | foreach (var mutator in Problem.Operators.OfType<IManipulator>().OrderBy(x => x.Name)) {
|
---|
520 | ParameterizeStochasticOperatorForLayer(mutator);
|
---|
521 | MutatorParameter.ValidValues.Add(mutator);
|
---|
522 | }
|
---|
523 | if (oldMutator != null) {
|
---|
524 | var mutator = MutatorParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldMutator.GetType());
|
---|
525 | if (mutator != null) MutatorParameter.Value = mutator;
|
---|
526 | }
|
---|
527 | }
|
---|
528 |
|
---|
529 | private void UpdateAnalyzers() {
|
---|
530 | LayerAnalyzer.Operators.Clear();
|
---|
531 | IslandAnalyzer.Operators.Clear();
|
---|
532 | GroupAnalyzer.Operators.Clear();
|
---|
533 | Analyzer.Operators.Clear();
|
---|
534 |
|
---|
535 | //add analyzer
|
---|
536 | GroupAnalyzer.Operators.Add(groupQualityAnalyzer, groupQualityAnalyzer.EnabledByDefault);
|
---|
537 | LayerAnalyzer.Operators.Add(layerQualityAnalyzer, layerQualityAnalyzer.EnabledByDefault);
|
---|
538 | IslandAnalyzer.Operators.Add(islandQualityAnalyzer, islandQualityAnalyzer.EnabledByDefault);
|
---|
539 | Analyzer.Operators.Add(qualityAnalyzer, qualityAnalyzer.EnabledByDefault);
|
---|
540 | //depth for each analyzer gets set when added
|
---|
541 | if (Problem != null) {
|
---|
542 | foreach (var analyzer in Problem.Operators.OfType<IAnalyzer>()) {
|
---|
543 | Analyzer.Operators.Add(analyzer, analyzer.EnabledByDefault);
|
---|
544 | IslandAnalyzer.Operators.Add((IAnalyzer)analyzer.Clone(),false);
|
---|
545 | LayerAnalyzer.Operators.Add((IAnalyzer)analyzer.Clone(), false);
|
---|
546 | GroupAnalyzer.Operators.Add((IAnalyzer) analyzer.Clone(),false);
|
---|
547 | }
|
---|
548 | }
|
---|
549 | }
|
---|
550 |
|
---|
551 | private void UpdateTerminators() {
|
---|
552 | var newTerminators = new Dictionary<ITerminator, bool> {
|
---|
553 | {
|
---|
554 | generationsTerminator,
|
---|
555 | !Terminators.Operators.Contains(generationsTerminator) ||
|
---|
556 | Terminators.Operators.ItemChecked(generationsTerminator)
|
---|
557 | }, {
|
---|
558 | evaluationsTerminator,
|
---|
559 | Terminators.Operators.Contains(evaluationsTerminator) &&
|
---|
560 | Terminators.Operators.ItemChecked(evaluationsTerminator)
|
---|
561 | }, {
|
---|
562 | qualityTerminator,
|
---|
563 | Terminators.Operators.Contains(qualityTerminator) && Terminators.Operators.ItemChecked(qualityTerminator)
|
---|
564 | }, {
|
---|
565 | executionTimeTerminator,
|
---|
566 | Terminators.Operators.Contains(executionTimeTerminator) &&
|
---|
567 | Terminators.Operators.ItemChecked(executionTimeTerminator)
|
---|
568 | }
|
---|
569 | };
|
---|
570 | if (Problem != null) {
|
---|
571 | foreach (var terminator in Problem.Operators.OfType<ITerminator>())
|
---|
572 | newTerminators.Add(terminator,
|
---|
573 | !Terminators.Operators.Contains(terminator) || Terminators.Operators.ItemChecked(terminator));
|
---|
574 | }
|
---|
575 |
|
---|
576 | Terminators.Operators.Clear();
|
---|
577 |
|
---|
578 | foreach (var newTerminator in newTerminators)
|
---|
579 | Terminators.Operators.Add(newTerminator.Key, newTerminator.Value);
|
---|
580 | }
|
---|
581 |
|
---|
582 | private void InitializeEventHandler() {
|
---|
583 | PopulationSizeParameter.ValueChanged += PopulationSizeParameter_ValueChanged;
|
---|
584 | PopulationSize.ValueChanged += PopulationSize_ValueChanged;
|
---|
585 | ElitesParameter.ValueChanged += ElitesParameter_ValueChanged;
|
---|
586 | Elites.ValueChanged += Elites_ValueChanged;
|
---|
587 |
|
---|
588 | Analyzer.Operators.ItemsAdded += AnalyzerOperators_ItemsAdded;
|
---|
589 | IslandAnalyzer.Operators.ItemsAdded += IslandAnalyzerOperators_ItemsAdded;
|
---|
590 | LayerAnalyzer.Operators.ItemsAdded += LayerAnalyzerOperators_ItemsAdded;
|
---|
591 | GroupAnalyzer.Operators.ItemsAdded += GroupAnalyzerOperators_ItemsAdded;
|
---|
592 |
|
---|
593 | if (Problem != null) {
|
---|
594 | Problem.Evaluator.QualityParameter.ActualNameChanged += Evaluator_QualityParameter_ActualNameChanged;
|
---|
595 | }
|
---|
596 |
|
---|
597 | AgeGapParameter.ValueChanged += AgeGapParameter_ValueChanged;
|
---|
598 | AgeGap.ValueChanged += AgeGap_ValueChanged;
|
---|
599 | AgingSchemeParameter.ValueChanged += AgingSchemeParameter_ValueChanged;
|
---|
600 | AgingScheme.ValueChanged += AgingScheme_ValueChanged;
|
---|
601 |
|
---|
602 | NumberOfLayersParameter.ValueChanged += NumberOfLayersParameter_ValueChanged;
|
---|
603 | NumberOfLayers.ValueChanged += NumberOfLayers_ValueChanged;
|
---|
604 |
|
---|
605 | }
|
---|
606 |
|
---|
607 | private void GroupAnalyzerOperators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IAnalyzer>> e) {
|
---|
608 | foreach (var analyzer in e.Items) {
|
---|
609 | IParameter resultParameter;
|
---|
610 | if (analyzer.Value.Parameters.TryGetValue("Results", out resultParameter)) {
|
---|
611 | var lookupParameter = resultParameter as ILookupParameter;
|
---|
612 | if (lookupParameter != null)
|
---|
613 | lookupParameter.ActualName = "GroupResults";
|
---|
614 | }
|
---|
615 | foreach (var parameter in analyzer.Value.Parameters.OfType<IScopeTreeLookupParameter>()) {
|
---|
616 | parameter.Depth = 1;
|
---|
617 | }
|
---|
618 | }
|
---|
619 | }
|
---|
620 |
|
---|
621 | private void IslandAnalyzerOperators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IAnalyzer>> e) {
|
---|
622 | foreach (var analyzer in e.Items) {
|
---|
623 | IParameter resultParameter;
|
---|
624 | if (analyzer.Value.Parameters.TryGetValue("Results", out resultParameter)) {
|
---|
625 | var lookupParameter = resultParameter as ILookupParameter;
|
---|
626 | if (lookupParameter != null)
|
---|
627 | lookupParameter.ActualName = "IslandResults";
|
---|
628 | }
|
---|
629 | foreach (var parameter in analyzer.Value.Parameters.OfType<IScopeTreeLookupParameter>()) {
|
---|
630 | parameter.Depth = 2;
|
---|
631 | }
|
---|
632 | }
|
---|
633 | }
|
---|
634 | private void LayerAnalyzerOperators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IAnalyzer>> e) {
|
---|
635 | foreach (var analyzer in e.Items) {
|
---|
636 | IParameter resultParameter;
|
---|
637 | if (analyzer.Value.Parameters.TryGetValue("Results", out resultParameter)) {
|
---|
638 | var lookupParameter = resultParameter as ILookupParameter;
|
---|
639 | if (lookupParameter != null)
|
---|
640 | lookupParameter.ActualName = "LayerResults";
|
---|
641 | }
|
---|
642 | foreach (var parameter in analyzer.Value.Parameters.OfType<IScopeTreeLookupParameter>()) {
|
---|
643 | parameter.Depth = 1;
|
---|
644 | }
|
---|
645 | }
|
---|
646 | }
|
---|
647 |
|
---|
648 | private void AnalyzerOperators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IAnalyzer>> e) {
|
---|
649 | foreach (var analyzer in e.Items) {
|
---|
650 | foreach (var parameter in analyzer.Value.Parameters.OfType<IScopeTreeLookupParameter>()) {
|
---|
651 | parameter.Depth = 3;
|
---|
652 | }
|
---|
653 | }
|
---|
654 | }
|
---|
655 |
|
---|
656 | private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
|
---|
657 | ParameterizeMainLoop();
|
---|
658 | ParameterizeSelectors();
|
---|
659 | ParameterizeAnalyzers();
|
---|
660 | }
|
---|
661 |
|
---|
662 | private void ElitesParameter_ValueChanged(object sender, EventArgs e) {
|
---|
663 | ParameterizeSelectors();
|
---|
664 | }
|
---|
665 | private void Elites_ValueChanged(object sender, EventArgs e) {
|
---|
666 | ParameterizeSelectors();
|
---|
667 | }
|
---|
668 | private void PopulationSizeParameter_ValueChanged(object sender, EventArgs e) {
|
---|
669 | ParameterizeSelectors();
|
---|
670 | }
|
---|
671 | private void PopulationSize_ValueChanged(object sender, EventArgs e) {
|
---|
672 | ParameterizeSelectors();
|
---|
673 | }
|
---|
674 | private void NumberOfLayersParameter_ValueChanged(object sender, EventArgs e) {
|
---|
675 | NumberOfLayers.ValueChanged += NumberOfLayers_ValueChanged;
|
---|
676 | ParameterizeAgeLimits();
|
---|
677 | }
|
---|
678 | private void NumberOfLayers_ValueChanged(object sender, EventArgs e) {
|
---|
679 | ParameterizeAgeLimits();
|
---|
680 | }
|
---|
681 | private void AgeGapParameter_ValueChanged(object sender, EventArgs e) {
|
---|
682 | AgeGap.ValueChanged += AgeGap_ValueChanged;
|
---|
683 | ParameterizeAgeLimits();
|
---|
684 | }
|
---|
685 | private void AgeGap_ValueChanged(object sender, EventArgs e) {
|
---|
686 | ParameterizeAgeLimits();
|
---|
687 | }
|
---|
688 | private void AgingSchemeParameter_ValueChanged(object sender, EventArgs e) {
|
---|
689 | AgingScheme.ValueChanged += AgingScheme_ValueChanged;
|
---|
690 | ParameterizeAgeLimits();
|
---|
691 | }
|
---|
692 | private void AgingScheme_ValueChanged(object sender, EventArgs e) {
|
---|
693 | ParameterizeAgeLimits();
|
---|
694 | }
|
---|
695 |
|
---|
696 | private void ParameterizeAgeLimits() {
|
---|
697 | var scheme = AgingScheme.Value;
|
---|
698 | int ageGap = AgeGap.Value;
|
---|
699 | int numberOfLayers = NumberOfLayers.Value;
|
---|
700 | AgeLimits = scheme.CalculateAgeLimits(ageGap, numberOfLayers);
|
---|
701 | }
|
---|
702 |
|
---|
703 | private void ParameterizeMainLoop() {
|
---|
704 | //TODO
|
---|
705 | MainLoop.AgeGapParameter.ActualName = AgeGapParameter.Name;
|
---|
706 | MainLoop.AgeInheritanceParameter.ActualName = AgeInheritanceParameter.Name;
|
---|
707 | MainLoop.AgeLimitsParameter.ActualName = AgeLimitsParameter.Name;
|
---|
708 | MainLoop.ReduceToPopulationSizeParameter.ActualName = ReduceToPopulationSizeParameter.Name;
|
---|
709 | MainLoop.AgeParameter.ActualName = "Age";
|
---|
710 | MainLoop.GlobalRandomParameter.ActualName = "GlobalRandom";
|
---|
711 | MainLoop.IslandRandomParameter.ActualName = "IslandRandom";
|
---|
712 | MainLoop.LayerRandomParameter.ActualName = "LayerRandom";
|
---|
713 |
|
---|
714 | MainLoop.EvaluatorParameter.ActualName = Problem.EvaluatorParameter.Name;
|
---|
715 | MainLoop.LayerEvaluatedSolutionsParameter.ActualName = "LayerEvaluatedSolutions";
|
---|
716 |
|
---|
717 | MainLoop.PlusSelectionParameter.ActualName = PlusSelectionParameter.Name;
|
---|
718 | MainLoop.NumberOfIslandsParameter.ActualName = NumberOfIslandsParameter.Name;
|
---|
719 | MainLoop.NumberOfLayersParameter.ActualName = NumberOfLayersParameter.Name;
|
---|
720 | MainLoop.MigrationIntervalParameter.ActualName = MigrationIntervalParameter.Name;
|
---|
721 | MainLoop.PopulationSizeParameter.ActualName = PopulationSizeParameter.Name;
|
---|
722 | MainLoop.CurrentPopulationSizeParameter.ActualName = "CurrentPopulationSize";
|
---|
723 | MainLoop.SelectorParameter.ActualName = SelectorParameter.Name;
|
---|
724 | MainLoop.MutatorParameter.ActualName = MutatorParameter.Name;
|
---|
725 | MainLoop.MutationProbabilityParameter.ActualName = MutationProbabilityParameter.Name;
|
---|
726 | MainLoop.CrossoverParameter.ActualName = CrossoverParameter.Name;
|
---|
727 | MainLoop.ElitesParameter.ActualName = ElitesParameter.Name;
|
---|
728 | MainLoop.TerminatorParameter.ActualName = TerminatorParameter.Name;
|
---|
729 |
|
---|
730 | MainLoop.AnalyzerParameter.ActualName = AnalyzerParameter.Name;
|
---|
731 | MainLoop.LayerAnalyzerParameter.ActualName = LayerAnalyzerParameter.Name;
|
---|
732 | MainLoop.IslandAnalyzerParameter.ActualName = IslandAnalyzerParameter.Name;
|
---|
733 | MainLoop.GroupAnalyzerParameter.ActualName = GroupAnalyzerParameter.Name;
|
---|
734 |
|
---|
735 |
|
---|
736 | MainLoop.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
|
---|
737 | MainLoop.MaximizationParameter.ActualName = Problem.MaximizationParameter.Name;
|
---|
738 | }
|
---|
739 |
|
---|
740 | private void ParameterizeSolutionsCreator() {
|
---|
741 | SolutionsCreator.EvaluatorParameter.ActualName = Problem.EvaluatorParameter.Name;
|
---|
742 | SolutionsCreator.SolutionCreatorParameter.ActualName = Problem.SolutionCreatorParameter.Name;
|
---|
743 | }
|
---|
744 |
|
---|
745 | private void ParameterizeSelectors() {
|
---|
746 | foreach (var selector in SelectorParameter.ValidValues) {
|
---|
747 | selector.CopySelected = new BoolValue(true);
|
---|
748 | selector.NumberOfSelectedSubScopesParameter.Value = new IntValue(2*(PopulationSize.Value - Elites.Value));
|
---|
749 | selector.NumberOfSelectedSubScopesParameter.Hidden = true;
|
---|
750 | ParameterizeStochasticOperatorForLayer(selector);
|
---|
751 | }
|
---|
752 | if (Problem != null) {
|
---|
753 | foreach (var selector in SelectorParameter.ValidValues.OfType<ISingleObjectiveSelector>()) {
|
---|
754 | selector.MaximizationParameter.ActualName = Problem.MaximizationParameter.Name;
|
---|
755 | selector.MaximizationParameter.Hidden = true;
|
---|
756 | selector.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
|
---|
757 | selector.QualityParameter.Hidden = true;
|
---|
758 | }
|
---|
759 | }
|
---|
760 | }
|
---|
761 |
|
---|
762 | private void ParameterizeAnalyzers() {
|
---|
763 | layerQualityAnalyzer.ResultsParameter.ActualName = "LayerResults";
|
---|
764 | layerQualityAnalyzer.ResultsParameter.Hidden = true;
|
---|
765 |
|
---|
766 | islandQualityAnalyzer.ResultsParameter.ActualName = "IslandResults";
|
---|
767 | islandQualityAnalyzer.ResultsParameter.Hidden = true;
|
---|
768 |
|
---|
769 | qualityAnalyzer.ResultsParameter.ActualName = "Results";
|
---|
770 | qualityAnalyzer.ResultsParameter.Hidden = true;
|
---|
771 |
|
---|
772 | groupQualityAnalyzer.ResultsParameter.ActualName = "GroupResults";
|
---|
773 | groupQualityAnalyzer.ResultsParameter.Hidden = true;
|
---|
774 |
|
---|
775 | if (Problem != null) {
|
---|
776 | SetAnalyzerParameter(layerQualityAnalyzer);
|
---|
777 | SetAnalyzerParameter(islandQualityAnalyzer);
|
---|
778 | SetAnalyzerParameter(qualityAnalyzer);
|
---|
779 | SetAnalyzerParameter(groupQualityAnalyzer);
|
---|
780 | }
|
---|
781 | }
|
---|
782 |
|
---|
783 | private void SetAnalyzerParameter(BestAverageWorstQualityAnalyzer analyzer) {
|
---|
784 | analyzer.MaximizationParameter.ActualName = Problem.MaximizationParameter.Name;
|
---|
785 | analyzer.MaximizationParameter.Hidden = true;
|
---|
786 | analyzer.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
|
---|
787 | analyzer.QualityParameter.Hidden = true;
|
---|
788 | analyzer.BestKnownQualityParameter.ActualName = Problem.BestKnownQualityParameter.Name;
|
---|
789 | analyzer.BestKnownQualityParameter.Hidden = true;
|
---|
790 | }
|
---|
791 |
|
---|
792 | private void ParameterizeTerminators() {
|
---|
793 | qualityTerminator.Parameterize(qualityAnalyzer.CurrentBestQualityParameter, Problem);
|
---|
794 | }
|
---|
795 |
|
---|
796 | private void ParameterizeIterationBasedOperators() {
|
---|
797 | if (Problem != null) {
|
---|
798 | foreach (var op in Problem.Operators.OfType<IIterationBasedOperator>()) {
|
---|
799 | op.IterationsParameter.ActualName = "Generations";
|
---|
800 | op.IterationsParameter.Hidden = true;
|
---|
801 | op.MaximumIterationsParameter.ActualName = generationsTerminator.ThresholdParameter.Name;
|
---|
802 | op.MaximumIterationsParameter.Hidden = true;
|
---|
803 | }
|
---|
804 | }
|
---|
805 | }
|
---|
806 |
|
---|
807 | private void ParameterizeStochasticOperator(IOperator op) {
|
---|
808 | var stochasticOp = op as IStochasticOperator;
|
---|
809 | if (stochasticOp != null) {
|
---|
810 | stochasticOp.RandomParameter.ActualName = "GlobalRandom";
|
---|
811 | stochasticOp.RandomParameter.Hidden = true;
|
---|
812 | }
|
---|
813 | }
|
---|
814 |
|
---|
815 | private void ParameterizeStochasticOperatorForLayer(IOperator op) {
|
---|
816 | var stochasticOp = op as IStochasticOperator;
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817 | if (stochasticOp != null) {
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818 | stochasticOp.RandomParameter.ActualName = "LayerRandom";
|
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819 | stochasticOp.RandomParameter.Hidden = true;
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820 | }
|
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821 | }
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822 |
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823 | #endregion
|
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824 | }
|
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825 | } |
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