1 | using System.Linq;
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2 | using HeuristicLab.Common;
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3 | using HeuristicLab.Core;
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4 | using HeuristicLab.Data;
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5 | using HeuristicLab.Operators;
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6 | using HeuristicLab.Optimization;
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7 | using HeuristicLab.Parameters;
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8 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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9 | using HEAL.Attic;
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10 |
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11 | namespace HeuristicLab.Problems.MetaOptimization {
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12 | /// <summary>
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13 | /// TODO
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14 | /// </summary>
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15 | [Item("PMOBestSolutionHistoryAnalyzer", "")]
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16 | [StorableType("7B257F08-ACCC-4FDF-961A-412344994AD1")]
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17 | public sealed class PMOBestSolutionHistoryAnalyzer : SingleSuccessorOperator, IAnalyzer {
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18 |
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19 | public bool EnabledByDefault {
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20 | get { return true; }
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21 | }
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22 |
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23 | public ScopeTreeLookupParameter<ParameterConfigurationTree> ParameterConfigurationParameter {
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24 | get { return (ScopeTreeLookupParameter<ParameterConfigurationTree>)Parameters["ParameterConfigurationTree"]; }
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25 | }
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26 | public ScopeTreeLookupParameter<DoubleValue> QualityParameter {
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27 | get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters["Quality"]; }
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28 | }
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29 | public ValueLookupParameter<ResultCollection> ResultsParameter {
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30 | get { return (ValueLookupParameter<ResultCollection>)Parameters["Results"]; }
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31 | }
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32 | public LookupParameter<ConstrainedItemList<IProblem>> ProblemsParameter {
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33 | get { return (LookupParameter<ConstrainedItemList<IProblem>>)Parameters[MetaOptimizationProblem.ProblemsParameterName]; }
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34 | }
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35 | public LookupParameter<IntValue> GenerationsParameter {
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36 | get { return (LookupParameter<IntValue>)Parameters["Generations"]; }
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37 | }
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38 | public LookupParameter<BoolValue> MaximizationParameter {
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39 | get { return (LookupParameter<BoolValue>)Parameters["Maximization"]; }
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40 | }
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41 |
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42 | public PMOBestSolutionHistoryAnalyzer()
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43 | : base() {
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44 | Parameters.Add(new ScopeTreeLookupParameter<ParameterConfigurationTree>("ParameterConfigurationTree", ""));
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45 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", ""));
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46 | Parameters.Add(new ValueLookupParameter<ResultCollection>("Results", ""));
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47 | Parameters.Add(new LookupParameter<ConstrainedItemList<IProblem>>(MetaOptimizationProblem.ProblemsParameterName));
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48 | Parameters.Add(new LookupParameter<IntValue>("Generations", ""));
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49 | Parameters.Add(new LookupParameter<BoolValue>("Maximization", "Set to false if the problem should be minimized."));
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50 | }
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51 |
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52 | [StorableConstructor]
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53 | private PMOBestSolutionHistoryAnalyzer(StorableConstructorFlag _) : base(_) { }
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54 | private PMOBestSolutionHistoryAnalyzer(PMOBestSolutionHistoryAnalyzer original, Cloner cloner) : base(original, cloner) { }
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55 | public override IDeepCloneable Clone(Cloner cloner) {
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56 | return new PMOBestSolutionHistoryAnalyzer(this, cloner);
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57 | }
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58 |
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59 | public override IOperation Apply() {
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60 | ItemArray<DoubleValue> qualities = QualityParameter.ActualValue;
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61 | ResultCollection results = ResultsParameter.ActualValue;
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62 | ItemArray<ParameterConfigurationTree> parameterTrees = ParameterConfigurationParameter.ActualValue;
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63 | int currentGeneration = GenerationsParameter.ActualValue.Value;
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64 | bool maximization = MaximizationParameter.ActualValue.Value;
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65 |
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66 | int idxBest;
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67 | if (maximization)
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68 | idxBest = qualities.Select((x, index) => new { index, x.Value }).OrderBy(x => x.Value).Last().index;
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69 | else
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70 | idxBest = qualities.Select((x, index) => new { index, x.Value }).OrderBy(x => x.Value).First().index;
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71 |
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72 | ParameterConfigurationTree best = parameterTrees[idxBest];
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73 |
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74 | string key = "BestSolutionHistory";
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75 | RunCollection bestSolutionHistory;
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76 | if (!results.ContainsKey(key)) {
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77 | bestSolutionHistory = new RunCollection();
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78 | results.Add(new Result(key, bestSolutionHistory));
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79 | } else {
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80 | bestSolutionHistory = results[key].Value as RunCollection;
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81 | }
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82 | if (bestSolutionHistory.Count == 0 || best.ParameterInfoString != ((StringValue)bestSolutionHistory.Last().Results["Meta-ParameterInfoString"]).Value) {
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83 | IRun run = best.ToRun(string.Format("{0}: {1}", currentGeneration, best.ParameterInfoString), false);
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84 | run.Results.Add("Meta-Generation", new IntValue(currentGeneration));
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85 | run.Results.Add("Meta-ParameterInfoString", new StringValue(best.ParameterInfoString));
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86 | bestSolutionHistory.Add(run);
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87 | }
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88 |
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89 | return base.Apply();
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90 | }
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91 | }
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92 | }
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