1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.Drawing;
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25 | using System.Linq;
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26 | using HeuristicLab.Common;
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27 | using HeuristicLab.Core;
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28 | using HeuristicLab.Data;
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29 | using HeuristicLab.Optimization;
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30 | using HeuristicLab.Parameters;
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31 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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32 |
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33 | namespace HeuristicLab.Problems.Programmable {
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34 | [Item("Programmable Problem (multi-objective)", "Represents a multi-objective problem that can be programmed.")]
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35 | [Creatable("Problems")]
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36 | [StorableClass]
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37 | public class MultiObjectiveProgrammableProblem : MultiObjectiveHeuristicOptimizationProblem<IMultiObjectiveProgrammableProblemEvaluator, ISolutionCreator>, IParameterizedNamedItem, IStorableContent {
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38 | public string Filename { get; set; }
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39 |
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40 | public static new Image StaticItemImage {
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41 | get { return Common.Resources.VSImageLibrary.Script; }
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42 | }
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43 |
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44 | public new ParameterCollection Parameters {
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45 | get { return base.Parameters; }
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46 | }
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47 | IKeyedItemCollection<string, IParameter> IParameterizedItem.Parameters {
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48 | get { return Parameters; }
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49 | }
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50 |
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51 | public IValueParameter<IMultiObjectiveProblemDefinition> ProblemDefinitionParameter {
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52 | get { return (IValueParameter<IMultiObjectiveProblemDefinition>)Parameters["ProblemDefinition"]; }
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53 | }
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54 |
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55 | protected IValueParameter<IEncoding> EncodingParameter {
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56 | get { return (IValueParameter<IEncoding>)Parameters["Encoding"]; }
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57 | }
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58 |
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59 | public IMultiObjectiveProblemDefinition ProblemDefinition {
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60 | get { return ProblemDefinitionParameter.Value; }
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61 | set { ProblemDefinitionParameter.Value = value; }
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62 | }
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63 |
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64 | [Storable]
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65 | protected List<IParameter> DynamicEncodingParameters;
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66 |
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67 | [StorableConstructor]
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68 | protected MultiObjectiveProgrammableProblem(bool deserializing) : base(deserializing) { }
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69 | protected MultiObjectiveProgrammableProblem(MultiObjectiveProgrammableProblem original, Cloner cloner)
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70 | : base(original, cloner) {
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71 | DynamicEncodingParameters = original.DynamicEncodingParameters.Select(cloner.Clone).ToList();
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72 | RegisterEventHandlers();
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73 | }
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74 | public MultiObjectiveProgrammableProblem()
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75 | : base(new MultiObjectiveEvaluator(), new MultiEncodingCreator()) {
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76 | Parameters.Add(new ValueParameter<IMultiObjectiveProblemDefinition>("ProblemDefinition", "Defines the problem.", new MultiObjectiveProblemScript() { Name = Name }));
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77 | Parameters.Add(new ValueParameter<IEncoding>("Encoding", "Describes which parameters exist, what they're called, what type they are and their bounds if any."));
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78 |
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79 | DynamicEncodingParameters = new List<IParameter>();
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80 |
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81 | Operators.Add(new MultiObjectiveAnalyzer());
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82 | Operators.Add(Evaluator);
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83 |
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84 | RegisterEventHandlers();
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85 | }
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86 |
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87 | public override IDeepCloneable Clone(Cloner cloner) {
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88 | return new MultiObjectiveProgrammableProblem(this, cloner);
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89 | }
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90 |
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91 | [StorableHook(HookType.AfterDeserialization)]
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92 | // ReSharper disable UnusedMember.Local
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93 | private void AfterDeserialization() {
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94 | RegisterEventHandlers();
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95 | }
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96 | // ReSharper restore UnusedMember.Local
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97 |
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98 | private void RegisterEventHandlers() {
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99 | ProblemDefinitionParameter.ValueChanged += ProblemDefinitionParameterOnValueChanged;
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100 | RegisterHostInstanceChanges();
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101 | }
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102 |
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103 | private void ProblemDefinitionParameterOnValueChanged(object sender, EventArgs eventArgs) {
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104 | RegisterHostInstanceChanges();
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105 | Parameterize();
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106 | }
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107 |
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108 | private void RegisterHostInstanceChanges() {
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109 | ProblemDefinitionParameter.Value.ProblemDefinitionChanged += ProblemDefinitionChanged;
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110 | ProblemDefinitionParameter.Value.NameChanged += ProblemDefinitionHostOnNameChanged;
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111 | }
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112 |
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113 | private void ProblemDefinitionHostOnNameChanged(object sender, EventArgs eventArgs) {
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114 | if (sender != ProblemDefinitionParameter.Value) return;
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115 | Name = ProblemDefinitionParameter.Value.Name;
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116 | }
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117 |
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118 | protected override void OnNameChanged() {
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119 | base.OnNameChanged();
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120 | ProblemDefinitionParameter.Value.Name = Name;
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121 | }
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122 |
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123 | protected override void OnEvaluatorChanged() {
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124 | base.OnEvaluatorChanged();
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125 | Parameterize();
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126 | }
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127 |
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128 | protected virtual void ProblemDefinitionChanged(object sender, EventArgs eventArgs) {
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129 | Parameterize();
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130 | }
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131 |
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132 | protected virtual void Parameterize() {
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133 | var definition = ProblemDefinitionParameter.Value;
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134 | if (definition == null) return;
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135 |
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136 | IEncoding encoding = definition.Encoding;
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137 | EncodingParameter.Value = encoding;
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138 | Maximization = new BoolArray(definition.Maximization);
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139 |
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140 | Evaluator.EncodingParameter.ActualName = EncodingParameter.Name;
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141 | Evaluator.ProblemDefinitionParameter.ActualName = ProblemDefinitionParameter.Name;
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142 | foreach (var evalOp in Operators.OfType<IMultiObjectiveProgrammableProblemEvaluator>()) {
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143 | evalOp.EncodingParameter.ActualName = EncodingParameter.Name;
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144 | evalOp.ProblemDefinitionParameter.ActualName = ProblemDefinitionParameter.Name;
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145 | }
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146 | foreach (var analyzeOp in Operators.OfType<IMultiObjectiveProgrammableProblemAnalyzer>()) {
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147 | analyzeOp.EncodingParameter.ActualName = EncodingParameter.Name;
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148 | analyzeOp.ProblemDefinitionParameter.ActualName = ProblemDefinitionParameter.Name;
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149 | analyzeOp.QualitiesParameter.ActualName = Evaluator.QualitiesParameter.ActualName;
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150 | }
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151 |
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152 | SolutionCreator = encoding.SolutionCreator;
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153 |
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154 | foreach (var param in DynamicEncodingParameters)
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155 | if (Parameters.Contains(param)) Parameters.Remove(param);
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156 | DynamicEncodingParameters.Clear();
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157 |
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158 | DynamicEncodingParameters.AddRange(encoding.Parameters);
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159 |
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160 |
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161 | foreach (var param in DynamicEncodingParameters) {
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162 | param.Hidden = true;
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163 | Parameters.Add(param);
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164 | }
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165 |
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166 | }
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167 | }
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168 | }
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