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.Text;
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5 | using HeuristicLab.Core;
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6 | using HeuristicLab.Common;
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7 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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8 | using HeuristicLab.Optimization;
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9 | using HeuristicLab.Data;
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10 | using System.Collections;
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11 |
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12 | namespace HeuristicLab.Problems.MetaOptimization {
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13 | // todo: storable, name, descr, ...
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14 | [StorableClass]
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15 | public class ParameterConfigurationTree : ValueConfiguration, IEnumerable {
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16 | [Storable]
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17 | private DoubleValue bestQuality;
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18 | public DoubleValue BestQuality {
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19 | get { return bestQuality; }
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20 | set {
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21 | if (bestQuality != value) {
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22 | if (bestQuality != null) DeregisterQualityEvents();
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23 | bestQuality = value;
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24 | if (bestQuality != null) RegisterQualityEvents();
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25 | OnQualityChanged();
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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 | private DoubleValue averageQuality;
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32 | public DoubleValue AverageQuality {
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33 | get { return averageQuality; }
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34 | set { averageQuality = value; }
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35 | }
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36 |
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37 | [Storable]
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38 | private DoubleValue worstQuality;
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39 | public DoubleValue WorstQuality {
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40 | get { return worstQuality; }
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41 | set { worstQuality = value; }
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42 | }
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43 |
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44 | [Storable]
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45 | private DoubleValue qualityVariance;
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46 | public DoubleValue QualityVariance {
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47 | get { return qualityVariance; }
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48 | set { qualityVariance = value; }
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49 | }
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50 |
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51 | [Storable]
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52 | private DoubleValue qualityStandardDeviation;
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53 | public DoubleValue QualityStandardDeviation {
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54 | get { return qualityStandardDeviation; }
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55 | set { qualityStandardDeviation = value; }
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56 | }
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57 |
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58 | [Storable]
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59 | private TimeSpanValue averageExecutionTime;
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60 | public TimeSpanValue AverageExecutionTime {
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61 | get { return averageExecutionTime; }
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62 | set { averageExecutionTime = value; }
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63 | }
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64 |
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65 | [Storable]
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66 | private IntValue repetitions;
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67 | public IntValue Repetitions {
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68 | get { return repetitions; }
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69 | set { repetitions = value; }
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70 | }
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71 |
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72 | [Storable]
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73 | protected RunCollection runs;
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74 | public RunCollection Runs {
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75 | get { return runs; }
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76 | set { runs = value; }
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77 | }
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78 |
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79 | [Storable]
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80 | protected IDictionary<string, IItem> parameters;
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81 | public IDictionary<string, IItem> Parameters {
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82 | get { return parameters; }
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83 | set { parameters = value; }
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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 ParameterConfigurationTree(EngineAlgorithm algorithm)
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88 | : base(null, algorithm.GetType()) {
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89 | this.Optimize = true; // root must always be optimized
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90 | this.BestQuality = new DoubleValue();
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91 | this.parameters = new Dictionary<string, IItem>();
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92 |
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93 | PopulateParameterConfigurations(algorithm);
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94 | Initialize();
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95 | }
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96 | public ParameterConfigurationTree() {
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97 | Initialize();
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98 | }
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99 | [StorableConstructor]
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100 | protected ParameterConfigurationTree(bool deserializing) : base(deserializing) { }
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101 | protected ParameterConfigurationTree(ParameterConfigurationTree original, Cloner cloner)
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102 | : base(original, cloner) {
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103 | this.bestQuality = cloner.Clone(original.BestQuality);
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104 | this.averageQuality = cloner.Clone(original.averageQuality);
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105 | this.worstQuality = cloner.Clone(original.worstQuality);
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106 | this.qualityStandardDeviation = cloner.Clone(original.qualityStandardDeviation);
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107 | this.qualityVariance = cloner.Clone(original.qualityVariance);
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108 | this.averageExecutionTime = cloner.Clone(original.averageExecutionTime);
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109 | this.repetitions = cloner.Clone(original.repetitions);
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110 | this.runs = cloner.Clone(original.runs);
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111 | this.parameters = new Dictionary<string, IItem>();
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112 | foreach (var p in original.parameters) {
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113 | this.parameters.Add(p.Key, cloner.Clone(p.Value));
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114 | }
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115 | Initialize();
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116 | }
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117 | public override IDeepCloneable Clone(Cloner cloner) {
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118 | return new ParameterConfigurationTree(this, cloner);
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119 | }
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120 | [StorableHook(HookType.AfterDeserialization)]
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121 | private void AfterDeserialization() {
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122 | Initialize();
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123 | }
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124 | #endregion
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125 |
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126 | private void Initialize() {
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127 | //if (algorithm != null) RegisterAlgorithmEvents();
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128 | if (bestQuality != null) RegisterQualityEvents();
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129 | }
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130 |
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131 | public virtual void CollectResultValues(IDictionary<string, IItem> values) {
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132 | values.Add("RunsAverageExecutionTime", AverageExecutionTime);
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133 | values.Add("Repetitions", Repetitions);
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134 | values.Add("RunsBestQuality", BestQuality);
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135 | values.Add("RunsAverageQuality", AverageQuality);
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136 | values.Add("RunsWorstQuality", WorstQuality);
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137 | values.Add("RunsQualityVariance", QualityVariance);
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138 | values.Add("RunsQualityStandardDeviation", QualityStandardDeviation);
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139 | values.Add("Runs", Runs);
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140 | }
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141 |
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142 | public virtual void CollectParameterValues(IDictionary<string, IItem> values) {
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143 | foreach (var p in parameters) {
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144 | values.Add(p);
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145 | }
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146 | }
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147 |
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148 | #region Events
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149 | //public event EventHandler AlgorithmChanged;
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150 | //private void OnAlgorithmChanged() {
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151 | // var handler = AlgorithmChanged;
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152 | // if (handler != null) handler(this, EventArgs.Empty);
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153 | //}
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154 | public event EventHandler QualityChanged;
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155 | private void OnQualityChanged() {
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156 | var handler = QualityChanged;
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157 | if (handler != null) handler(this, EventArgs.Empty);
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158 | }
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159 |
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160 | //private void RegisterAlgorithmEvents() {
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161 |
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162 | //}
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163 | //private void DeregisterAlgorithmEvents() {
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164 |
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165 | //}
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166 | private void RegisterQualityEvents() {
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167 | BestQuality.ValueChanged += new EventHandler(Quality_ValueChanged);
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168 | }
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169 | private void DeregisterQualityEvents() {
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170 | BestQuality.ValueChanged -= new EventHandler(Quality_ValueChanged);
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171 | }
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172 |
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173 | private void Quality_ValueChanged(object sender, EventArgs e) {
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174 | OnQualityChanged();
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175 | }
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176 | #endregion
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177 |
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178 | public override void Parameterize(IParameterizedItem item) {
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179 | base.Parameterize(item);
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180 | this.parameters.Clear();
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181 | ((IAlgorithm)item).CollectParameterValues(this.Parameters);
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182 | }
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183 |
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184 | public Experiment GenerateExperiment(IAlgorithm algorithm, bool createBatchRuns, int repetitions) {
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185 | Experiment experiment = new Experiment();
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186 | foreach (IValueConfiguration combination in this) {
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187 | IAlgorithm clonedAlg = (IAlgorithm)algorithm.Clone();
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188 | clonedAlg.Name = combination.ParameterInfoString;
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189 | combination.Parameterize(clonedAlg);
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190 | clonedAlg.StoreAlgorithmInEachRun = false;
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191 | if (createBatchRuns) {
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192 | BatchRun batchRun = new BatchRun(string.Format("BatchRun: {0}", combination.ParameterInfoString));
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193 | batchRun.Algorithm = clonedAlg;
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194 | batchRun.Repetitions = repetitions;
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195 | experiment.Optimizers.Add(batchRun);
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196 | } else {
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197 | experiment.Optimizers.Add(clonedAlg);
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198 | }
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199 | }
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200 | return experiment;
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201 | }
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202 |
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203 | public Experiment GenerateExperiment(IAlgorithm algorithm) {
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204 | return GenerateExperiment(algorithm, false, 0);
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205 | }
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206 |
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207 | public IEnumerator GetEnumerator() {
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208 | IEnumerator enumerator = new ParameterCombinationsEnumerator(this);
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209 | enumerator.Reset();
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210 | return enumerator;
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211 | }
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212 |
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213 | public long GetCombinationCount() {
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214 | long cnt = 0;
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215 | foreach (var c in this) {
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216 | cnt++;
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217 | }
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218 | return cnt;
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219 | }
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220 | }
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221 | }
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