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 HeuristicLab.Common;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Data;
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25 | using HeuristicLab.Operators;
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26 | using HeuristicLab.Optimization;
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27 | using HeuristicLab.Optimization.Operators;
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28 | using HeuristicLab.Parameters;
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29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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30 |
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31 | namespace HeuristicLab.Algorithms.OffspringSelectionGeneticAlgorithm {
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32 | /// <summary>
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33 | /// A SASEGASA main loop operator.
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34 | /// </summary>
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35 | [Item("SASEGASAMainLoop", "A SASEGASA main loop operator.")]
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36 | [StorableClass]
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37 | public sealed class SASEGASAMainLoop : AlgorithmOperator {
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38 | #region Parameter Properties
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39 | public ValueLookupParameter<IRandom> RandomParameter {
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40 | get { return (ValueLookupParameter<IRandom>)Parameters["Random"]; }
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41 | }
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42 | public ValueLookupParameter<IntValue> NumberOfVillagesParameter {
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43 | get { return (ValueLookupParameter<IntValue>)Parameters["NumberOfVillages"]; }
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44 | }
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45 | public ValueLookupParameter<IntValue> MigrationIntervalParameter {
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46 | get { return (ValueLookupParameter<IntValue>)Parameters["MigrationInterval"]; }
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47 | }
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48 | public ValueLookupParameter<BoolValue> MaximizationParameter {
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49 | get { return (ValueLookupParameter<BoolValue>)Parameters["Maximization"]; }
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50 | }
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51 | public ScopeTreeLookupParameter<DoubleValue> QualityParameter {
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52 | get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters["Quality"]; }
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53 | }
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54 | public ValueLookupParameter<DoubleValue> BestKnownQualityParameter {
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55 | get { return (ValueLookupParameter<DoubleValue>)Parameters["BestKnownQuality"]; }
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56 | }
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57 | public ValueLookupParameter<IOperator> SelectorParameter {
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58 | get { return (ValueLookupParameter<IOperator>)Parameters["Selector"]; }
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59 | }
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60 | public ValueLookupParameter<IOperator> CrossoverParameter {
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61 | get { return (ValueLookupParameter<IOperator>)Parameters["Crossover"]; }
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62 | }
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63 | public ValueLookupParameter<PercentValue> MutationProbabilityParameter {
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64 | get { return (ValueLookupParameter<PercentValue>)Parameters["MutationProbability"]; }
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65 | }
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66 | public ValueLookupParameter<IOperator> MutatorParameter {
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67 | get { return (ValueLookupParameter<IOperator>)Parameters["Mutator"]; }
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68 | }
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69 | public ValueLookupParameter<IOperator> EvaluatorParameter {
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70 | get { return (ValueLookupParameter<IOperator>)Parameters["Evaluator"]; }
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71 | }
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72 | public ValueLookupParameter<IntValue> ElitesParameter {
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73 | get { return (ValueLookupParameter<IntValue>)Parameters["Elites"]; }
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74 | }
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75 | public ValueLookupParameter<ResultCollection> ResultsParameter {
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76 | get { return (ValueLookupParameter<ResultCollection>)Parameters["Results"]; }
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77 | }
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78 | public ValueLookupParameter<IOperator> AnalyzerParameter {
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79 | get { return (ValueLookupParameter<IOperator>)Parameters["Analyzer"]; }
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80 | }
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81 | public ValueLookupParameter<IOperator> VillageAnalyzerParameter {
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82 | get { return (ValueLookupParameter<IOperator>)Parameters["VillageAnalyzer"]; }
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83 | }
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84 | public ValueLookupParameter<DoubleValue> SuccessRatioParameter {
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85 | get { return (ValueLookupParameter<DoubleValue>)Parameters["SuccessRatio"]; }
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86 | }
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87 | public LookupParameter<DoubleValue> ComparisonFactorParameter {
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88 | get { return (LookupParameter<DoubleValue>)Parameters["ComparisonFactor"]; }
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89 | }
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90 | public ValueLookupParameter<DoubleValue> ComparisonFactorStartParameter {
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91 | get { return (ValueLookupParameter<DoubleValue>)Parameters["ComparisonFactorStart"]; }
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92 | }
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93 | public ValueLookupParameter<IOperator> ComparisonFactorModifierParameter {
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94 | get { return (ValueLookupParameter<IOperator>)Parameters["ComparisonFactorModifier"]; }
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95 | }
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96 | public ValueLookupParameter<DoubleValue> MaximumSelectionPressureParameter {
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97 | get { return (ValueLookupParameter<DoubleValue>)Parameters["MaximumSelectionPressure"]; }
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98 | }
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99 | public ValueLookupParameter<DoubleValue> FinalMaximumSelectionPressureParameter {
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100 | get { return (ValueLookupParameter<DoubleValue>)Parameters["FinalMaximumSelectionPressure"]; }
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101 | }
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102 | public ValueLookupParameter<IntValue> MaximumGenerationsParameter {
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103 | get { return (ValueLookupParameter<IntValue>)Parameters["MaximumGenerations"]; }
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104 | }
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105 | public ValueLookupParameter<BoolValue> OffspringSelectionBeforeMutationParameter {
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106 | get { return (ValueLookupParameter<BoolValue>)Parameters["OffspringSelectionBeforeMutation"]; }
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107 | }
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108 | #endregion
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109 |
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110 | [StorableConstructor]
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111 | private SASEGASAMainLoop(bool deserializing) : base(deserializing) { }
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112 | private SASEGASAMainLoop(SASEGASAMainLoop original, Cloner cloner)
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113 | : base(original, cloner) {
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114 | }
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115 | public override IDeepCloneable Clone(Cloner cloner) {
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116 | return new SASEGASAMainLoop(this, cloner);
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117 | }
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118 | public SASEGASAMainLoop()
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119 | : base() {
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120 | #region Create parameters
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121 | Parameters.Add(new ValueLookupParameter<IRandom>("Random", "A pseudo random number generator."));
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122 | Parameters.Add(new ValueLookupParameter<BoolValue>("Maximization", "True if the problem is a maximization problem, otherwise false."));
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123 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The value which represents the quality of a solution."));
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124 | Parameters.Add(new ValueLookupParameter<DoubleValue>("BestKnownQuality", "The best known quality value found so far."));
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125 | Parameters.Add(new ValueLookupParameter<IntValue>("NumberOfVillages", "The initial number of villages."));
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126 | Parameters.Add(new ValueLookupParameter<IntValue>("MigrationInterval", "The fixed period after which migration occurs."));
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127 | Parameters.Add(new ValueLookupParameter<IOperator>("Selector", "The operator used to select solutions for reproduction."));
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128 | Parameters.Add(new ValueLookupParameter<IOperator>("Crossover", "The operator used to cross solutions."));
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129 | Parameters.Add(new ValueLookupParameter<PercentValue>("MutationProbability", "The probability that the mutation operator is applied on a solution."));
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130 | Parameters.Add(new ValueLookupParameter<IOperator>("Mutator", "The operator used to mutate solutions."));
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131 | Parameters.Add(new ValueLookupParameter<IOperator>("Evaluator", "The operator used to evaluate solutions."));
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132 | Parameters.Add(new ValueLookupParameter<IntValue>("Elites", "The numer of elite solutions which are kept in each generation."));
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133 | Parameters.Add(new ValueLookupParameter<ResultCollection>("Results", "The results collection to store the results."));
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134 | Parameters.Add(new ValueLookupParameter<IOperator>("Analyzer", "The operator used to the analyze the villages."));
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135 | Parameters.Add(new ValueLookupParameter<IOperator>("VillageAnalyzer", "The operator used to analyze each village."));
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136 | Parameters.Add(new ValueLookupParameter<DoubleValue>("SuccessRatio", "The ratio of successful to total children that should be achieved."));
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137 | Parameters.Add(new LookupParameter<DoubleValue>("ComparisonFactor", "The comparison factor is used to determine whether the offspring should be compared to the better parent, the worse parent or a quality value linearly interpolated between them. It is in the range [0;1]."));
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138 | Parameters.Add(new ValueLookupParameter<DoubleValue>("ComparisonFactorStart", "The lower bound of the comparison factor (start)."));
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139 | Parameters.Add(new ValueLookupParameter<IOperator>("ComparisonFactorModifier", "The operator used to modify the comparison factor."));
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140 | Parameters.Add(new ValueLookupParameter<DoubleValue>("MaximumSelectionPressure", "The maximum selection pressure that terminates the algorithm."));
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141 | Parameters.Add(new ValueLookupParameter<DoubleValue>("FinalMaximumSelectionPressure", "The maximum selection pressure used when there is only one village left."));
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142 | Parameters.Add(new ValueLookupParameter<IntValue>("MaximumGenerations", "The maximum genreation that terminates the algorithm."));
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143 | Parameters.Add(new ValueLookupParameter<BoolValue>("OffspringSelectionBeforeMutation", "True if the offspring selection step should be applied before mutation, false if it should be applied after mutation."));
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144 | #endregion
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145 |
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146 | #region Create operators
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147 | VariableCreator variableCreator = new VariableCreator();
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148 | Assigner maxSelPressAssigner = new Assigner();
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149 | Assigner villageCountAssigner = new Assigner();
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150 | Assigner comparisonFactorInitializer = new Assigner();
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151 | UniformSubScopesProcessor uniformSubScopesProcessor0 = new UniformSubScopesProcessor();
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152 | VariableCreator villageVariableCreator = new VariableCreator();
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153 | Placeholder villageAnalyzer1 = new Placeholder();
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154 | ResultsCollector villageResultsCollector1 = new ResultsCollector();
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155 | Placeholder analyzer1 = new Placeholder();
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156 | ResultsCollector resultsCollector1 = new ResultsCollector();
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157 | ResultsCollector resultsCollector2 = new ResultsCollector();
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158 | UniformSubScopesProcessor uniformSubScopesProcessor1 = new UniformSubScopesProcessor();
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159 | ConditionalBranch villageTerminatedBySelectionPressure1 = new ConditionalBranch();
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160 | OffspringSelectionGeneticAlgorithmMainOperator mainOperator = new OffspringSelectionGeneticAlgorithmMainOperator();
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161 | Placeholder villageAnalyzer2 = new Placeholder();
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162 | ResultsCollector villageResultsCollector2 = new ResultsCollector();
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163 | IntCounter evaluatedSolutionsCounter = new IntCounter();
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164 | Assigner villageEvaluatedSolutionsAssigner = new Assigner();
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165 | Comparator villageSelectionPressureComparator = new Comparator();
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166 | ConditionalBranch villageTerminatedBySelectionPressure2 = new ConditionalBranch();
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167 | IntCounter terminatedVillagesCounter = new IntCounter();
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168 | IntCounter generationsCounter = new IntCounter();
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169 | IntCounter generationsSinceLastReunificationCounter = new IntCounter();
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170 | Comparator reunificationComparator1 = new Comparator();
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171 | ConditionalBranch reunificationConditionalBranch1 = new ConditionalBranch();
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172 | Comparator reunificationComparator2 = new Comparator();
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173 | ConditionalBranch reunificationConditionalBranch2 = new ConditionalBranch();
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174 | Comparator reunificationComparator3 = new Comparator();
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175 | ConditionalBranch reunificationConditionalBranch3 = new ConditionalBranch();
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176 | Assigner resetTerminatedVillagesAssigner = new Assigner();
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177 | Assigner resetGenerationsSinceLastReunificationAssigner = new Assigner();
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178 | SASEGASAReunificator reunificator = new SASEGASAReunificator();
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179 | IntCounter reunificationCounter = new IntCounter();
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180 | Placeholder comparisonFactorModifier = new Placeholder();
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181 | UniformSubScopesProcessor uniformSubScopesProcessor2 = new UniformSubScopesProcessor();
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182 | Assigner villageReviver = new Assigner();
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183 | Comparator villageCountComparator = new Comparator();
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184 | ConditionalBranch villageCountConditionalBranch = new ConditionalBranch();
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185 | Assigner finalMaxSelPressAssigner = new Assigner();
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186 | Comparator maximumGenerationsComparator = new Comparator();
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187 | Comparator maximumEvaluatedSolutionsComparator = new Comparator();
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188 | Placeholder analyzer2 = new Placeholder();
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189 | ResultsCollector resultsCollector3 = new ResultsCollector();
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190 | ConditionalBranch terminationCondition = new ConditionalBranch();
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191 | ConditionalBranch maximumGenerationsTerminationCondition = new ConditionalBranch();
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192 | ConditionalBranch maximumEvaluatedSolutionsTerminationCondition = new ConditionalBranch();
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193 |
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194 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("Reunifications", new IntValue(0)));
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195 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("Generations", new IntValue(0))); // Class SASEGASA expects this to be called Generations
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196 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("GenerationsSinceLastReunification", new IntValue(0)));
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197 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("EvaluatedSolutions", new IntValue(0)));
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198 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("TerminatedVillages", new IntValue(0)));
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199 |
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200 | villageCountAssigner.LeftSideParameter.ActualName = "VillageCount";
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201 | villageCountAssigner.RightSideParameter.ActualName = NumberOfVillagesParameter.Name;
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202 |
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203 | maxSelPressAssigner.LeftSideParameter.ActualName = "CurrentMaximumSelectionPressure";
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204 | maxSelPressAssigner.RightSideParameter.ActualName = MaximumSelectionPressureParameter.Name;
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205 |
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206 | comparisonFactorInitializer.LeftSideParameter.ActualName = ComparisonFactorParameter.Name;
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207 | comparisonFactorInitializer.RightSideParameter.ActualName = ComparisonFactorStartParameter.Name;
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208 |
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209 | villageVariableCreator.CollectedValues.Add(new ValueParameter<ResultCollection>("Results", new ResultCollection()));
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210 | villageVariableCreator.CollectedValues.Add(new ValueParameter<IntValue>("VillageEvaluatedSolutions", new IntValue(0)));
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211 | villageVariableCreator.CollectedValues.Add(new ValueParameter<BoolValue>("TerminateSelectionPressure", new BoolValue(false)));
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212 | villageVariableCreator.CollectedValues.Add(new ValueParameter<DoubleValue>("SelectionPressure", new DoubleValue(0)));
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213 | villageVariableCreator.CollectedValues.Add(new ValueParameter<DoubleValue>("CurrentSuccessRatio", new DoubleValue(0)));
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214 |
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215 | villageAnalyzer1.Name = "Village Analyzer (placeholder)";
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216 | villageAnalyzer1.OperatorParameter.ActualName = VillageAnalyzerParameter.Name;
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217 |
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218 | villageResultsCollector1.CollectedValues.Add(new LookupParameter<DoubleValue>("Current Success Ratio", null, "CurrentSuccessRatio"));
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219 | villageResultsCollector1.CollectedValues.Add(new LookupParameter<DoubleValue>("Current Selection Pressure", null, "SelectionPressure"));
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220 | villageResultsCollector1.ResultsParameter.ActualName = "Results";
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221 |
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222 | analyzer1.Name = "Analyzer (placeholder)";
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223 | analyzer1.OperatorParameter.ActualName = AnalyzerParameter.Name;
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224 |
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225 | resultsCollector1.CopyValue = new BoolValue(false);
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226 | resultsCollector1.CollectedValues.Add(new LookupParameter<IntValue>("Generations"));
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227 | resultsCollector1.CollectedValues.Add(new LookupParameter<DoubleValue>("ComparisonFactor", null, ComparisonFactorParameter.Name));
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228 | resultsCollector1.CollectedValues.Add(new LookupParameter<IntValue>("Terminated Villages", null, "TerminatedVillages"));
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229 | resultsCollector1.CollectedValues.Add(new LookupParameter<IntValue>("Total Active Villages", null, "VillageCount"));
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230 | resultsCollector1.CollectedValues.Add(new ScopeTreeLookupParameter<ResultCollection>("VillageResults", "Result set for each village", "Results"));
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231 | resultsCollector1.ResultsParameter.ActualName = ResultsParameter.Name;
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232 |
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233 | resultsCollector2.CopyValue = new BoolValue(true);
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234 | resultsCollector2.CollectedValues.Add(new LookupParameter<IntValue>("Evaluated Solutions", null, "EvaluatedSolutions"));
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235 | resultsCollector2.ResultsParameter.ActualName = ResultsParameter.Name;
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236 |
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237 | villageTerminatedBySelectionPressure1.Name = "Village Terminated ?";
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238 | villageTerminatedBySelectionPressure1.ConditionParameter.ActualName = "TerminateSelectionPressure";
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239 |
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240 | mainOperator.ComparisonFactorParameter.ActualName = ComparisonFactorParameter.Name;
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241 | mainOperator.CrossoverParameter.ActualName = CrossoverParameter.Name;
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242 | mainOperator.CurrentSuccessRatioParameter.ActualName = "CurrentSuccessRatio";
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243 | mainOperator.ElitesParameter.ActualName = ElitesParameter.Name;
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244 | mainOperator.EvaluatedSolutionsParameter.ActualName = "VillageEvaluatedSolutions";
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245 | mainOperator.EvaluatorParameter.ActualName = EvaluatorParameter.Name;
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246 | mainOperator.MaximizationParameter.ActualName = MaximizationParameter.Name;
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247 | mainOperator.MaximumSelectionPressureParameter.ActualName = "CurrentMaximumSelectionPressure";
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248 | mainOperator.MutationProbabilityParameter.ActualName = MutationProbabilityParameter.Name;
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249 | mainOperator.MutatorParameter.ActualName = MutatorParameter.Name;
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250 | mainOperator.OffspringSelectionBeforeMutationParameter.ActualName = OffspringSelectionBeforeMutationParameter.Name;
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251 | mainOperator.QualityParameter.ActualName = QualityParameter.Name;
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252 | mainOperator.RandomParameter.ActualName = RandomParameter.Name;
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253 | mainOperator.SelectionPressureParameter.ActualName = "SelectionPressure";
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254 | mainOperator.SelectorParameter.ActualName = SelectorParameter.Name;
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255 | mainOperator.SuccessRatioParameter.ActualName = SuccessRatioParameter.Name;
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256 |
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257 | villageAnalyzer2.Name = "Village Analyzer (placeholder)";
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258 | villageAnalyzer2.OperatorParameter.ActualName = VillageAnalyzerParameter.Name;
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259 |
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260 | villageResultsCollector2.CollectedValues.Add(new LookupParameter<DoubleValue>("Current Success Ratio", null, "CurrentSuccessRatio"));
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261 | villageResultsCollector2.CollectedValues.Add(new LookupParameter<DoubleValue>("Current Selection Pressure", null, "SelectionPressure"));
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262 | villageResultsCollector2.ResultsParameter.ActualName = "Results";
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263 |
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264 | evaluatedSolutionsCounter.Name = "Update EvaluatedSolutions";
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265 | evaluatedSolutionsCounter.ValueParameter.ActualName = "EvaluatedSolutions";
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266 | evaluatedSolutionsCounter.Increment = null;
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267 | evaluatedSolutionsCounter.IncrementParameter.ActualName = "VillageEvaluatedSolutions";
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268 |
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269 | villageEvaluatedSolutionsAssigner.Name = "Reset EvaluatedSolutions";
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270 | villageEvaluatedSolutionsAssigner.LeftSideParameter.ActualName = "VillageEvaluatedSolutions";
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271 | villageEvaluatedSolutionsAssigner.RightSideParameter.Value = new IntValue(0);
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272 |
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273 | villageSelectionPressureComparator.Name = "SelectionPressure >= MaximumSelectionPressure ?";
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274 | villageSelectionPressureComparator.LeftSideParameter.ActualName = "SelectionPressure";
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275 | villageSelectionPressureComparator.Comparison = new Comparison(ComparisonType.GreaterOrEqual);
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276 | villageSelectionPressureComparator.RightSideParameter.ActualName = MaximumSelectionPressureParameter.Name;
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277 | villageSelectionPressureComparator.ResultParameter.ActualName = "TerminateSelectionPressure";
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278 |
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279 | villageTerminatedBySelectionPressure2.Name = "Village Terminated ?";
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280 | villageTerminatedBySelectionPressure2.ConditionParameter.ActualName = "TerminateSelectionPressure";
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281 |
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282 | terminatedVillagesCounter.Name = "TerminatedVillages + 1";
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283 | terminatedVillagesCounter.ValueParameter.ActualName = "TerminatedVillages";
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284 | terminatedVillagesCounter.Increment = new IntValue(1);
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285 |
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286 | generationsCounter.Name = "Generations + 1";
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287 | generationsCounter.ValueParameter.ActualName = "Generations";
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288 | generationsCounter.Increment = new IntValue(1);
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289 |
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290 | generationsSinceLastReunificationCounter.Name = "GenerationsSinceLastReunification + 1";
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291 | generationsSinceLastReunificationCounter.ValueParameter.ActualName = "GenerationsSinceLastReunification";
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292 | generationsSinceLastReunificationCounter.Increment = new IntValue(1);
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293 |
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294 | reunificationComparator1.Name = "TerminatedVillages = VillageCount ?";
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295 | reunificationComparator1.LeftSideParameter.ActualName = "TerminatedVillages";
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296 | reunificationComparator1.Comparison = new Comparison(ComparisonType.Equal);
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297 | reunificationComparator1.RightSideParameter.ActualName = "VillageCount";
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298 | reunificationComparator1.ResultParameter.ActualName = "Reunificate";
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299 |
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300 | reunificationConditionalBranch1.Name = "Reunificate ?";
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301 | reunificationConditionalBranch1.ConditionParameter.ActualName = "Reunificate";
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302 |
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303 | reunificationComparator2.Name = "GenerationsSinceLastReunification = MigrationInterval ?";
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304 | reunificationComparator2.LeftSideParameter.ActualName = "GenerationsSinceLastReunification";
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305 | reunificationComparator2.Comparison = new Comparison(ComparisonType.Equal);
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306 | reunificationComparator2.RightSideParameter.ActualName = "MigrationInterval";
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307 | reunificationComparator2.ResultParameter.ActualName = "Reunificate";
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308 |
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309 | reunificationConditionalBranch2.Name = "Reunificate ?";
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310 | reunificationConditionalBranch2.ConditionParameter.ActualName = "Reunificate";
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311 |
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312 | // if there's just one village left and we're getting to this point SASEGASA terminates
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313 | reunificationComparator3.Name = "VillageCount <= 1 ?";
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314 | reunificationComparator3.LeftSideParameter.ActualName = "VillageCount";
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315 | reunificationComparator3.RightSideParameter.Value = new IntValue(1);
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316 | reunificationComparator3.Comparison.Value = ComparisonType.LessOrEqual;
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317 | reunificationComparator3.ResultParameter.ActualName = "TerminateSASEGASA";
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318 |
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319 | reunificationConditionalBranch3.Name = "Skip reunification?";
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320 | reunificationConditionalBranch3.ConditionParameter.ActualName = "TerminateSASEGASA";
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321 |
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322 | resetTerminatedVillagesAssigner.Name = "Reset TerminatedVillages";
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323 | resetTerminatedVillagesAssigner.LeftSideParameter.ActualName = "TerminatedVillages";
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324 | resetTerminatedVillagesAssigner.RightSideParameter.Value = new IntValue(0);
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325 |
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326 | resetGenerationsSinceLastReunificationAssigner.Name = "Reset GenerationsSinceLastReunification";
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327 | resetGenerationsSinceLastReunificationAssigner.LeftSideParameter.ActualName = "GenerationsSinceLastReunification";
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328 | resetGenerationsSinceLastReunificationAssigner.RightSideParameter.Value = new IntValue(0);
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329 |
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330 | reunificator.VillageCountParameter.ActualName = "VillageCount";
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331 |
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332 | reunificationCounter.ValueParameter.ActualName = "Reunifications"; // this variable is referenced in SASEGASA, do not change!
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333 | reunificationCounter.IncrementParameter.Value = new IntValue(1);
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334 |
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335 | comparisonFactorModifier.Name = "Update comparison factor (placeholder)";
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336 | comparisonFactorModifier.OperatorParameter.ActualName = ComparisonFactorModifierParameter.Name;
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337 |
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338 | villageReviver.Name = "Village Reviver";
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339 | villageReviver.LeftSideParameter.ActualName = "TerminateSelectionPressure";
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340 | villageReviver.RightSideParameter.Value = new BoolValue(false);
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341 |
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342 | villageCountComparator.Name = "VillageCount == 1 ?";
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343 | villageCountComparator.LeftSideParameter.ActualName = "VillageCount";
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344 | villageCountComparator.RightSideParameter.Value = new IntValue(1);
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345 | villageCountComparator.Comparison.Value = ComparisonType.Equal;
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346 | villageCountComparator.ResultParameter.ActualName = "ChangeMaxSelPress";
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347 |
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348 | villageCountConditionalBranch.Name = "Change max selection pressure?";
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349 | villageCountConditionalBranch.ConditionParameter.ActualName = "ChangeMaxSelPress";
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350 |
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351 | finalMaxSelPressAssigner.LeftSideParameter.ActualName = "CurrentMaximumSelectionPressure";
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352 | finalMaxSelPressAssigner.RightSideParameter.ActualName = FinalMaximumSelectionPressureParameter.Name;
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353 |
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354 | // if Generations is reaching MaximumGenerations we're also terminating
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355 | maximumGenerationsComparator.LeftSideParameter.ActualName = "Generations";
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356 | maximumGenerationsComparator.RightSideParameter.ActualName = MaximumGenerationsParameter.Name;
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357 | maximumGenerationsComparator.Comparison = new Comparison(ComparisonType.GreaterOrEqual);
|
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358 | maximumGenerationsComparator.ResultParameter.ActualName = "TerminateMaximumGenerations";
|
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359 |
|
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360 | maximumEvaluatedSolutionsComparator.Name = "EvaluatedSolutions >= MaximumEvaluatedSolutions";
|
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361 | maximumEvaluatedSolutionsComparator.Comparison = new Comparison(ComparisonType.GreaterOrEqual);
|
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362 | maximumEvaluatedSolutionsComparator.LeftSideParameter.ActualName = "EvaluatedSolutions";
|
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363 | maximumEvaluatedSolutionsComparator.ResultParameter.ActualName = "TerminateEvaluatedSolutions";
|
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364 | maximumEvaluatedSolutionsComparator.RightSideParameter.ActualName = "MaximumEvaluatedSolutions";
|
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365 |
|
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366 | analyzer2.Name = "Analyzer (placeholder)";
|
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367 | analyzer2.OperatorParameter.ActualName = AnalyzerParameter.Name;
|
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368 |
|
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369 | resultsCollector3.CopyValue = new BoolValue(true);
|
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370 | resultsCollector3.CollectedValues.Add(new LookupParameter<IntValue>("Evaluated Solutions", null, "EvaluatedSolutions"));
|
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371 | resultsCollector3.ResultsParameter.ActualName = ResultsParameter.Name;
|
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372 |
|
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373 | terminationCondition.ConditionParameter.ActualName = "TerminateSASEGASA";
|
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374 | maximumGenerationsTerminationCondition.ConditionParameter.ActualName = "TerminateMaximumGenerations";
|
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375 | maximumEvaluatedSolutionsTerminationCondition.ConditionParameter.ActualName = "TerminateEvaluatedSolutions";
|
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376 | #endregion
|
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377 |
|
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378 | #region Create operator graph
|
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379 | OperatorGraph.InitialOperator = variableCreator;
|
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380 | variableCreator.Successor = maxSelPressAssigner;
|
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381 | maxSelPressAssigner.Successor = villageCountAssigner;
|
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382 | villageCountAssigner.Successor = comparisonFactorInitializer;
|
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383 | comparisonFactorInitializer.Successor = uniformSubScopesProcessor0;
|
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384 | uniformSubScopesProcessor0.Operator = villageVariableCreator;
|
---|
385 | uniformSubScopesProcessor0.Successor = analyzer1;
|
---|
386 | villageVariableCreator.Successor = villageAnalyzer1;
|
---|
387 | villageAnalyzer1.Successor = villageResultsCollector1;
|
---|
388 | analyzer1.Successor = resultsCollector1;
|
---|
389 | resultsCollector1.Successor = resultsCollector2;
|
---|
390 | resultsCollector2.Successor = uniformSubScopesProcessor1;
|
---|
391 | uniformSubScopesProcessor1.Operator = villageTerminatedBySelectionPressure1;
|
---|
392 | uniformSubScopesProcessor1.Successor = generationsCounter;
|
---|
393 | villageTerminatedBySelectionPressure1.TrueBranch = null;
|
---|
394 | villageTerminatedBySelectionPressure1.FalseBranch = mainOperator;
|
---|
395 | villageTerminatedBySelectionPressure1.Successor = null;
|
---|
396 | mainOperator.Successor = villageAnalyzer2;
|
---|
397 | villageAnalyzer2.Successor = villageResultsCollector2;
|
---|
398 | villageResultsCollector2.Successor = evaluatedSolutionsCounter;
|
---|
399 | evaluatedSolutionsCounter.Successor = villageEvaluatedSolutionsAssigner;
|
---|
400 | villageEvaluatedSolutionsAssigner.Successor = villageSelectionPressureComparator;
|
---|
401 | villageSelectionPressureComparator.Successor = villageTerminatedBySelectionPressure2;
|
---|
402 | villageTerminatedBySelectionPressure2.TrueBranch = terminatedVillagesCounter;
|
---|
403 | villageTerminatedBySelectionPressure2.FalseBranch = null;
|
---|
404 | villageTerminatedBySelectionPressure2.Successor = null;
|
---|
405 | terminatedVillagesCounter.Successor = null;
|
---|
406 | generationsCounter.Successor = generationsSinceLastReunificationCounter;
|
---|
407 | generationsSinceLastReunificationCounter.Successor = reunificationComparator1;
|
---|
408 | reunificationComparator1.Successor = reunificationConditionalBranch1;
|
---|
409 | reunificationConditionalBranch1.TrueBranch = reunificationComparator3;
|
---|
410 | reunificationConditionalBranch1.FalseBranch = reunificationComparator2;
|
---|
411 | reunificationConditionalBranch1.Successor = maximumGenerationsComparator;
|
---|
412 | reunificationComparator2.Successor = reunificationConditionalBranch2;
|
---|
413 | reunificationConditionalBranch2.TrueBranch = reunificationComparator3;
|
---|
414 | reunificationConditionalBranch2.FalseBranch = null;
|
---|
415 | reunificationConditionalBranch2.Successor = null;
|
---|
416 | reunificationComparator3.Successor = reunificationConditionalBranch3;
|
---|
417 | reunificationConditionalBranch3.TrueBranch = null;
|
---|
418 | reunificationConditionalBranch3.FalseBranch = resetTerminatedVillagesAssigner;
|
---|
419 | reunificationConditionalBranch3.Successor = null;
|
---|
420 | resetTerminatedVillagesAssigner.Successor = resetGenerationsSinceLastReunificationAssigner;
|
---|
421 | resetGenerationsSinceLastReunificationAssigner.Successor = reunificator;
|
---|
422 | reunificator.Successor = reunificationCounter;
|
---|
423 | reunificationCounter.Successor = comparisonFactorModifier;
|
---|
424 | comparisonFactorModifier.Successor = uniformSubScopesProcessor2;
|
---|
425 | uniformSubScopesProcessor2.Operator = villageReviver;
|
---|
426 | uniformSubScopesProcessor2.Successor = villageCountComparator;
|
---|
427 | villageReviver.Successor = null;
|
---|
428 | villageCountComparator.Successor = villageCountConditionalBranch;
|
---|
429 | villageCountConditionalBranch.TrueBranch = finalMaxSelPressAssigner;
|
---|
430 | villageCountConditionalBranch.FalseBranch = null;
|
---|
431 | villageCountConditionalBranch.Successor = null;
|
---|
432 | finalMaxSelPressAssigner.Successor = null;
|
---|
433 | maximumGenerationsComparator.Successor = maximumEvaluatedSolutionsComparator;
|
---|
434 | maximumEvaluatedSolutionsComparator.Successor = analyzer2;
|
---|
435 | analyzer2.Successor = resultsCollector3;
|
---|
436 | resultsCollector3.Successor = terminationCondition;
|
---|
437 | terminationCondition.TrueBranch = null;
|
---|
438 | terminationCondition.FalseBranch = maximumGenerationsTerminationCondition;
|
---|
439 | terminationCondition.Successor = null;
|
---|
440 | maximumGenerationsTerminationCondition.TrueBranch = null;
|
---|
441 | maximumGenerationsTerminationCondition.FalseBranch = maximumEvaluatedSolutionsTerminationCondition;
|
---|
442 | maximumGenerationsTerminationCondition.Successor = null;
|
---|
443 | maximumEvaluatedSolutionsTerminationCondition.TrueBranch = null;
|
---|
444 | maximumEvaluatedSolutionsTerminationCondition.FalseBranch = uniformSubScopesProcessor1;
|
---|
445 | maximumEvaluatedSolutionsTerminationCondition.Successor = null;
|
---|
446 | #endregion
|
---|
447 | }
|
---|
448 |
|
---|
449 | public override IOperation Apply() {
|
---|
450 | if (CrossoverParameter.ActualValue == null)
|
---|
451 | return null;
|
---|
452 | return base.Apply();
|
---|
453 | }
|
---|
454 | }
|
---|
455 | }
|
---|