1 | using System;
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2 | using System.Linq;
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3 | using HeuristicLab.Common;
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4 | using HeuristicLab.Core;
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5 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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6 | using HeuristicLab.Data;
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7 | using System.Drawing;
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8 | using HeuristicLab.Encodings.RealVectorEncoding;
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9 | using HeuristicLab.Encodings.IntegerVectorEncoding;
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10 | using HeuristicLab.PluginInfrastructure;
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11 | using System.Collections.Generic;
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12 | using System.Text;
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13 |
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14 | namespace HeuristicLab.Problems.MetaOptimization {
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15 | // TODO: ItemName/Descr, storability
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16 | [StorableClass]
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17 | public class ValueConfiguration : Item, IValueConfiguration {
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18 | [Storable]
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19 | protected bool isOptimizable;
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20 | public bool IsOptimizable {
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21 | get { return isOptimizable; }
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22 | set {
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23 | if (this.isOptimizable != value) {
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24 | this.isOptimizable = value;
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25 | OnIsOptimizableChanged();
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26 | }
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27 | }
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28 | }
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29 |
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30 | [Storable]
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31 | protected bool optimize;
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32 | public bool Optimize {
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33 | get { return optimize; }
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34 | set {
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35 | if (optimize != value) {
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36 | optimize = value;
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37 | if (optimize) {
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38 | ClearParameterConfigurations();
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39 | if (this.actualValue.Value is IParameterizedNamedItem) PopulateParameterConfigurations(this.actualValue.Value as IParameterizedNamedItem);
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40 | } else {
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41 | ClearParameterConfigurations();
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42 | }
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43 | OnOptimizeChanged();
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44 | OnToStringChanged();
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45 | }
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46 | }
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47 | }
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48 |
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49 | [Storable]
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50 | protected IItemCollection<IParameterConfiguration> parameterConfigurations = new ItemCollection<IParameterConfiguration>();
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51 | public IItemCollection<IParameterConfiguration> ParameterConfigurations {
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52 | get { return new ReadOnlyItemCollection<IParameterConfiguration>(this.parameterConfigurations); }
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53 | protected set { this.parameterConfigurations = value; }
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54 | }
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55 |
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56 | [Storable]
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57 | protected ConstrainedValue actualValue;
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58 | public virtual ConstrainedValue ActualValue {
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59 | get { return actualValue; }
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60 | set {
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61 | if (this.actualValue != value) {
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62 | DeregisterActualValueEvents();
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63 | ClearParameterConfigurations();
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64 | this.actualValue = value;
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65 | if (this.actualValue.Value is IParameterizedNamedItem) PopulateParameterConfigurations(this.actualValue.Value as IParameterizedNamedItem);
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66 | OnValueChanged();
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67 | OnToStringChanged();
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68 | RegisterActualValueEvents();
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69 | }
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70 | }
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71 | }
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72 |
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73 | [Storable]
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74 | protected IRange rangeConstraint;
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75 | public IRange RangeConstraint {
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76 | get { return rangeConstraint; }
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77 | private set {
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78 | if (rangeConstraint != value) {
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79 | DeregisterRangeConstraintEvents();
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80 | rangeConstraint = value;
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81 | RegisterActualValueEvents();
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82 | }
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83 | }
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84 | }
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85 |
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86 | #region Constructors and Cloning
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87 | public ValueConfiguration(IItem value, Type valueDataType) {
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88 | this.ParameterConfigurations = new ItemList<IParameterConfiguration>();
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89 | var validTypes = ApplicationManager.Manager.GetTypes(valueDataType).OrderBy(x => x.Name).ToArray();
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90 | this.ActualValue = new ConstrainedValue(value, valueDataType, new ItemSet<IItem> { value }, false);
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91 | this.IsOptimizable = true;
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92 | if (actualValue.ValueDataType == typeof(IntValue)) {
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93 | RangeConstraint = new IntValueRange(new IntValue(0), (IntValue)value, new IntValue(1));
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94 | } else if (actualValue.ValueDataType == typeof(DoubleValue)) {
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95 | RangeConstraint = new DoubleValueRange(new DoubleValue(0), (DoubleValue)value, new DoubleValue(0.01));
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96 | } else if (actualValue.ValueDataType == typeof(PercentValue)) {
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97 | RangeConstraint = new PercentValueRange(new PercentValue(0), new PercentValue(1), new PercentValue(0.01));
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98 | } else if (actualValue.ValueDataType == typeof(BoolValue)) {
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99 | this.IsOptimizable = false; // there is nothing to configure for bools
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100 | } else {
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101 | RangeConstraint = null;
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102 | }
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103 | }
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104 |
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105 | public ValueConfiguration() { }
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106 | [StorableConstructor]
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107 | protected ValueConfiguration(bool deserializing) { }
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108 | protected ValueConfiguration(ValueConfiguration original, Cloner cloner)
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109 | : base(original, cloner) {
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110 | this.ParameterConfigurations = cloner.Clone(original.parameterConfigurations);
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111 | this.actualValue = cloner.Clone(original.ActualValue);
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112 | this.rangeConstraint = cloner.Clone(original.RangeConstraint);
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113 | this.isOptimizable = original.isOptimizable;
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114 | this.optimize = original.optimize;
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115 | RegisterActualValueEvents();
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116 | RegisterRangeConstraintEvents();
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117 | }
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118 | public override IDeepCloneable Clone(Cloner cloner) {
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119 | return new ValueConfiguration(this, cloner);
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120 | }
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121 | [StorableHook(HookType.AfterDeserialization)]
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122 | private void AfterDeserialization() {
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123 | RegisterRangeConstraintEvents();
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124 | }
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125 | #endregion
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126 |
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127 | protected virtual void PopulateParameterConfigurations(IParameterizedNamedItem parameterizedItem) {
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128 | foreach (var childParameter in parameterizedItem.Parameters) {
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129 | var pc = ParameterConfiguration.Create(parameterizedItem, childParameter);
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130 | if (pc != null) this.parameterConfigurations.Add(pc);
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131 | }
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132 | }
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133 | protected virtual void ClearParameterConfigurations() {
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134 | parameterConfigurations.Clear();
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135 | }
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136 |
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137 | private void RegisterRangeConstraintEvents() {
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138 | if (this.RangeConstraint != null) this.RangeConstraint.ToStringChanged += new EventHandler(RangeConstraint_ToStringChanged);
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139 | }
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140 | private void DeregisterRangeConstraintEvents() {
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141 | if (this.RangeConstraint != null) this.RangeConstraint.ToStringChanged -= new EventHandler(RangeConstraint_ToStringChanged);
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142 | }
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143 | private void RegisterActualValueEvents() {
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144 | if (this.actualValue != null) this.actualValue.ToStringChanged += new EventHandler(actualValue_ToStringChanged);
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145 | }
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146 | private void DeregisterActualValueEvents() {
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147 | if (this.actualValue != null) this.actualValue.ToStringChanged -= new EventHandler(actualValue_ToStringChanged);
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148 | }
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149 |
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150 | #region Events
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151 | void actualValue_ToStringChanged(object sender, EventArgs e) {
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152 | OnToStringChanged();
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153 | }
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154 | void RangeConstraint_ToStringChanged(object sender, EventArgs e) {
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155 | OnToStringChanged();
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156 | }
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157 | #endregion
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158 |
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159 | #region IItem Members
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160 | public override string ItemDescription {
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161 | get { return (actualValue != null && actualValue.Value != null) ? actualValue.Value.ItemDescription : base.ItemDescription; }
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162 | }
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163 |
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164 | public override Image ItemImage {
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165 | get { return (actualValue != null && actualValue.Value != null) ? actualValue.Value.ItemImage : base.ItemImage; }
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166 | }
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167 |
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168 | public override string ItemName {
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169 | get { return (actualValue != null && actualValue.Value != null) ? actualValue.Value.ItemDescription : base.ItemName; }
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170 | }
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171 | #endregion
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172 |
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173 | #region Event Handlers
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174 | public virtual event EventHandler ValueChanged;
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175 | protected virtual void OnValueChanged() {
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176 | var handler = ValueChanged;
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177 | if (handler != null) handler(this, EventArgs.Empty);
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178 | }
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179 |
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180 | public virtual event EventHandler IsOptimizableChanged;
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181 | private void OnIsOptimizableChanged() {
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182 | var handler = IsOptimizableChanged;
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183 | if (handler != null) handler(this, EventArgs.Empty);
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184 | }
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185 |
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186 | public virtual event EventHandler OptimizeChanged;
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187 | protected virtual void OnOptimizeChanged() {
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188 | var handler = OptimizeChanged;
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189 | if (handler != null) handler(this, EventArgs.Empty);
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190 | }
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191 | #endregion
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192 |
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193 | public override string ToString() {
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194 | if (ActualValue != null && ActualValue.Value != null) {
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195 | if (ActualValue.Value is IParameterizedItem) {
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196 | if (Optimize) {
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197 | return string.Format("{0} (Optimize)", ActualValue.Value.ItemName);
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198 | } else {
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199 | return string.Format("{0}", ActualValue.Value.ItemName);
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200 | }
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201 | } else {
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202 | if (Optimize) {
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203 | return string.Format("{0} (Optimize: {1})", ActualValue.Value.ItemName, RangeConstraint);
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204 | } else {
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205 | return string.Format("{0}: {1}", ActualValue.Value.ItemName, ActualValue.Value);
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206 | }
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207 | }
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208 | } else {
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209 | return base.ToString();
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210 | }
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211 | }
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212 |
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213 | public string ParameterInfoString {
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214 | get {
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215 | StringBuilder sb = new StringBuilder();
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216 | if (this.Optimize) {
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217 | if (this.ParameterConfigurations.Count > 0) {
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218 | var parameterInfos = new List<string>();
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219 | foreach (var pc in this.ParameterConfigurations) {
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220 | if (pc.Optimize) parameterInfos.Add(pc.ParameterInfoString);
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221 | }
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222 | sb.Append(string.Join(", ", parameterInfos.ToArray()));
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223 | }
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224 | }
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225 | return sb.ToString();
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226 | }
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227 | }
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228 |
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229 | public virtual void Parameterize(IParameterizedItem item) {
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230 | foreach (IParameterConfiguration pc in this.ParameterConfigurations) {
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231 | pc.Parameterize((IValueParameter)item.Parameters[pc.ParameterName]);
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232 | }
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233 | }
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234 |
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235 | public void Randomize(IRandom random) {
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236 | if (Optimize) {
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237 | if (rangeConstraint != null) {
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238 | this.actualValue.Value = rangeConstraint.GetRandomValue(random);
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239 | } else {
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240 | foreach (IParameterConfiguration pc in this.ParameterConfigurations) {
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241 | pc.Randomize(random);
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242 | }
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243 | }
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244 | }
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245 | }
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246 |
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247 | public void Mutate(IRandom random, MutateDelegate mutate, IIntValueManipulator intValueManipulator, IDoubleValueManipulator doubleValueManipulator) {
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248 | if (Optimize) {
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249 | if (rangeConstraint != null) {
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250 | mutate(random, this, intValueManipulator, doubleValueManipulator);
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251 | } else {
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252 | foreach (IParameterConfiguration pc in this.ParameterConfigurations) {
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253 | pc.Mutate(random, mutate, intValueManipulator, doubleValueManipulator);
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254 | }
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255 | }
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256 | }
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257 | }
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258 |
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259 | public void Cross(IRandom random, IOptimizable other, CrossDelegate cross, IIntValueCrossover intValueCrossover, IDoubleValueCrossover doubleValueCrossover) {
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260 | if (Optimize) {
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261 | if (rangeConstraint != null) {
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262 | cross(random, this, other, intValueCrossover, doubleValueCrossover);
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263 | } else {
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264 | IValueConfiguration otherVc = (IValueConfiguration)other;
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265 | for (int i = 0; i < this.ParameterConfigurations.Count; i++) {
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266 | this.ParameterConfigurations.ElementAt(i).Cross(random, otherVc.ParameterConfigurations.ElementAt(i), cross, intValueCrossover, doubleValueCrossover);
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267 | }
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268 | }
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269 | }
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270 | }
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271 | }
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272 | }
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