| 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 System;
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| 23 | using System.Linq;
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| 24 | using HeuristicLab.Algorithms.GeneticAlgorithm;
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| 25 | using HeuristicLab.Collections;
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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 | using HeuristicLab.PluginInfrastructure;
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| 33 | using HeuristicLab.Problems.DataAnalysis;
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| 34 | using HeuristicLab.Problems.TestFunctions;
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| 35 |
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| 36 | namespace HeuristicLab.Problems.MetaOptimization {
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| 37 | [Item("Meta Optimization Problem", "Represents a Meta Optimization Problem.")]
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| 38 | [Creatable("Problems")]
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| 39 | [StorableClass]
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| 40 | public sealed class MetaOptimizationProblem : SingleObjectiveHeuristicOptimizationProblem<IParameterConfigurationEvaluator, IParameterConfigurationCreator>, IStorableContent {
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| 41 | public string Filename { get; set; }
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| 42 |
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| 43 | public const string AlgorithmTypeParameterName = "AlgorithmType";
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| 44 | public const string ProblemTypeParameterName = "ProblemType";
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| 45 | public const string ProblemsParameterName = "Problems";
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| 46 | public const string ParameterConfigurationTreeParameterName = "ParameterConfiguration";
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| 47 | public const string RepetitionsParameterName = "Repetitions";
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| 48 |
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| 49 | public const string IntValueManipulatorParameterName = "IntValueManipulator";
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| 50 | public const string DoubleValueManipulatorParameterName = "DoubleValueManipulator";
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| 51 | public const string IntValueCrossoverParameterName = "IntValueCrossover";
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| 52 | public const string DoubleValueCrossoverParameterName = "DoubleValueCrossover";
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| 53 |
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| 54 | #region Parameter Properties
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| 55 | public IValueParameter<ConstrainedTypeValue<IAlgorithm>> AlgorithmTypeParameter {
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| 56 | get { return (ValueParameter<ConstrainedTypeValue<IAlgorithm>>)Parameters[AlgorithmTypeParameterName]; }
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| 57 | }
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| 58 | public IValueParameter<ConstrainedTypeValue<IProblem>> ProblemTypeParameter {
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| 59 | get { return (ValueParameter<ConstrainedTypeValue<IProblem>>)Parameters[ProblemTypeParameterName]; }
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| 60 | }
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| 61 | public IValueParameter<ConstrainedItemList<IProblem>> ProblemsParameter {
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| 62 | get { return (ValueParameter<ConstrainedItemList<IProblem>>)Parameters[ProblemsParameterName]; }
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| 63 | }
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| 64 | public IValueParameter<ParameterConfigurationTree> ParameterConfigurationTreeParameter {
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| 65 | get { return (ValueParameter<ParameterConfigurationTree>)Parameters[ParameterConfigurationTreeParameterName]; }
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| 66 | }
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| 67 | public IValueParameter<IntValue> RepetitionsParameter {
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| 68 | get { return (ValueParameter<IntValue>)Parameters[RepetitionsParameterName]; }
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| 69 | }
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| 70 |
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| 71 | public IValueParameter<IIntValueManipulator> IntValueManipulatorParameter {
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| 72 | get { return (ValueParameter<IIntValueManipulator>)Parameters[IntValueManipulatorParameterName]; }
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| 73 | }
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| 74 |
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| 75 | public IValueParameter<IDoubleValueManipulator> DoubleValueManipulatorParameter {
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| 76 | get { return (ValueParameter<IDoubleValueManipulator>)Parameters[DoubleValueManipulatorParameterName]; }
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| 77 | }
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| 78 | #endregion
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| 79 |
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| 80 | #region Properties
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| 81 | public IAlgorithm Algorithm {
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| 82 | get { return CreateAlgorithm(AlgorithmType.Value, Problems.FirstOrDefault()); }
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| 83 | }
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| 84 | public ConstrainedTypeValue<IAlgorithm> AlgorithmType {
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| 85 | get { return AlgorithmTypeParameter.Value; }
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| 86 | set { AlgorithmTypeParameter.Value = value; }
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| 87 | }
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| 88 | public ConstrainedTypeValue<IProblem> ProblemType {
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| 89 | get { return ProblemTypeParameter.Value; }
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| 90 | set { ProblemTypeParameter.Value = value; }
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| 91 | }
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| 92 | public ConstrainedItemList<IProblem> Problems {
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| 93 | get { return ProblemsParameter.Value; }
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| 94 | set { ProblemsParameter.Value = value; }
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| 95 | }
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| 96 | public ParameterConfigurationTree ParameterConfigurationTree {
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| 97 | get { return ParameterConfigurationTreeParameter.Value; }
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| 98 | set { ParameterConfigurationTreeParameter.Value = value; }
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| 99 | }
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| 100 | public IntValue Repetitions {
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| 101 | get { return RepetitionsParameter.Value; }
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| 102 | set { RepetitionsParameter.Value = value; }
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| 103 | }
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| 104 | private BestParameterConfigurationAnalyzer BestParameterConfigurationAnalyzer {
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| 105 | get { return Operators.OfType<BestParameterConfigurationAnalyzer>().FirstOrDefault(); }
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| 106 | }
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| 107 | private ReferenceQualityAnalyzer ReferenceQualityAnalyzer {
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| 108 | get { return Operators.OfType<ReferenceQualityAnalyzer>().FirstOrDefault(); }
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| 109 | }
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| 110 | private SolutionCacheAnalyzer RunsAnalyzer {
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| 111 | get { return Operators.OfType<SolutionCacheAnalyzer>().FirstOrDefault(); }
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| 112 | }
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| 113 | private PMOPopulationDiversityAnalyzer PMOPopulationDiversityAnalyzer {
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| 114 | get { return Operators.OfType<PMOPopulationDiversityAnalyzer>().FirstOrDefault(); }
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| 115 | }
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| 116 | private PMOProblemQualitiesAnalyzer PMOProblemQualitiesAnalyzer {
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| 117 | get { return Operators.OfType<PMOProblemQualitiesAnalyzer>().FirstOrDefault(); }
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| 118 | }
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| 119 | private PMOBestSolutionHistoryAnalyzer PMOBestSolutionHistoryAnalyzer {
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| 120 | get { return Operators.OfType<PMOBestSolutionHistoryAnalyzer>().FirstOrDefault(); }
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| 121 | }
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| 122 | #endregion
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| 123 |
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| 124 | public MetaOptimizationProblem()
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| 125 | : base() {
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| 126 | Parameters.Add(new ValueParameter<ConstrainedTypeValue<IAlgorithm>>(AlgorithmTypeParameterName, "The algorithm which's parameters should be optimized.", new ConstrainedTypeValue<IAlgorithm>(typeof(GeneticAlgorithm))));
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| 127 | Parameters.Add(new ValueParameter<ConstrainedTypeValue<IProblem>>(ProblemTypeParameterName, "The problem type.", new ConstrainedTypeValue<IProblem>()));
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| 128 | Parameters.Add(new ValueParameter<ConstrainedItemList<IProblem>>(ProblemsParameterName, "The problems that should be evaluated.", new ConstrainedItemList<IProblem>()));
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| 129 | Parameters.Add(new ValueParameter<ParameterConfigurationTree>(ParameterConfigurationTreeParameterName, "Tree of algorithm parameters that should be optimized."));
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| 130 | Parameters.Add(new ValueParameter<IntValue>(RepetitionsParameterName, "The number of evaluations for each problem.", new IntValue(3)));
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| 131 |
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| 132 | var validIntManipulators = new ItemSet<IIntValueManipulator>(ApplicationManager.Manager.GetInstances<IIntValueManipulator>());
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| 133 | var validDoubleManipulators = new ItemSet<IDoubleValueManipulator>(ApplicationManager.Manager.GetInstances<IDoubleValueManipulator>());
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| 134 | var validIntCrossovers = new ItemSet<IIntValueCrossover>(ApplicationManager.Manager.GetInstances<IIntValueCrossover>());
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| 135 | var validDoubleCrossovers = new ItemSet<IDoubleValueCrossover>(ApplicationManager.Manager.GetInstances<IDoubleValueCrossover>());
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| 136 | Parameters.Add(new ConstrainedValueParameter<IIntValueManipulator>(IntValueManipulatorParameterName, "", validIntManipulators, validIntManipulators.Where(x => x.GetType() == typeof(NormalIntValueManipulator)).SingleOrDefault()));
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| 137 | Parameters.Add(new ConstrainedValueParameter<IDoubleValueManipulator>(DoubleValueManipulatorParameterName, "", validDoubleManipulators, validDoubleManipulators.Where(x => x.GetType() == typeof(NormalDoubleValueManipulator)).SingleOrDefault()));
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| 138 | Parameters.Add(new ConstrainedValueParameter<IIntValueCrossover>(IntValueCrossoverParameterName, "", validIntCrossovers, validIntCrossovers.Where(x => x.GetType() == typeof(NormalIntValueCrossover)).SingleOrDefault()));
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| 139 | Parameters.Add(new ConstrainedValueParameter<IDoubleValueCrossover>(DoubleValueCrossoverParameterName, "", validDoubleCrossovers, validDoubleCrossovers.Where(x => x.GetType() == typeof(NormalDoubleValueCrossover)).SingleOrDefault()));
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| 140 |
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| 141 | Maximization = new BoolValue(false);
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| 142 | SolutionCreator = new RandomParameterConfigurationCreator();
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| 143 | Evaluator = new PMOEvaluator();
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| 144 |
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| 145 | InitializeOperators();
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| 146 | RegisterParameterEvents();
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| 147 | ParameterizeAnalyzer();
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| 148 | ParameterizeSolutionCreator();
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| 149 | ParameterizeEvaluator();
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| 150 | ParameterizeOperators();
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| 151 |
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| 152 | AlgorithmTypeParameter_ValueChanged(this, EventArgs.Empty);
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| 153 | }
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| 154 |
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| 155 | [StorableConstructor]
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| 156 | private MetaOptimizationProblem(bool deserializing) : base(deserializing) { }
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| 157 | private MetaOptimizationProblem(MetaOptimizationProblem original, Cloner cloner)
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| 158 | : base(original, cloner) {
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| 159 | this.RegisterParameterEvents();
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| 160 | }
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| 161 | public override IDeepCloneable Clone(Cloner cloner) {
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| 162 | return new MetaOptimizationProblem(this, cloner);
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| 163 | }
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| 164 |
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| 165 | #region Helpers
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| 166 | [StorableHook(HookType.AfterDeserialization)]
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| 167 | private void AfterDeserializationHook() {
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| 168 | RegisterParameterEvents();
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| 169 | }
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| 170 | private void RegisterParameterEvents() {
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| 171 | SolutionCreatorParameter.ValueChanged += new EventHandler(SolutionCreatorParameter_ValueChanged);
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| 172 | EvaluatorParameter.ValueChanged += new EventHandler(EvaluatorParameter_ValueChanged);
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| 173 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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| 174 | AlgorithmTypeParameter.ValueChanged += new EventHandler(AlgorithmTypeParameter_ValueChanged);
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| 175 | AlgorithmType.ValueChanged += new EventHandler(AlgorithmType_ValueChanged);
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| 176 | ProblemTypeParameter.ValueChanged += new EventHandler(ProblemTypeParameter_ValueChanged);
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| 177 | ProblemType.ValueChanged += new EventHandler(ProblemType_ValueChanged);
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| 178 | Problems.ItemsAdded += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<IProblem>>(Problems_ItemsAdded);
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| 179 | Problems.ItemsRemoved += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<IProblem>>(Problems_ItemsRemoved);
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| 180 | }
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| 181 |
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| 182 | private void InitializeOperators() {
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| 183 | Operators.AddRange(ApplicationManager.Manager.GetInstances<IParameterConfigurationOperator>().Cast<IOperator>());
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| 184 | Operators.Add(new BestParameterConfigurationAnalyzer());
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| 185 | Operators.Add(new ReferenceQualityAnalyzer());
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| 186 | Operators.Add(new SolutionCacheAnalyzer());
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| 187 | Operators.Add(new PMOPopulationDiversityAnalyzer());
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| 188 | Operators.Add(new PMOProblemQualitiesAnalyzer());
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| 189 | Operators.Add(new PMOBestSolutionHistoryAnalyzer());
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| 190 | }
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| 191 | private void ParameterizeSolutionCreator() {
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| 192 | }
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| 193 | private void ParameterizeEvaluator() {
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| 194 | ((PMOEvaluator)Evaluator).ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 195 | }
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| 196 | private void ParameterizeAnalyzer() {
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| 197 | if (BestParameterConfigurationAnalyzer != null) {
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| 198 | BestParameterConfigurationAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 199 | }
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| 200 | if (ReferenceQualityAnalyzer != null) {
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| 201 | ReferenceQualityAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 202 | }
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| 203 | if (RunsAnalyzer != null) {
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| 204 | RunsAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 205 | }
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| 206 | if (PMOPopulationDiversityAnalyzer != null) {
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| 207 | PMOPopulationDiversityAnalyzer.SolutionParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 208 | PMOPopulationDiversityAnalyzer.StoreHistoryParameter.Value.Value = true;
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| 209 | }
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| 210 | if (PMOProblemQualitiesAnalyzer != null) {
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| 211 | PMOProblemQualitiesAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 212 | }
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| 213 | if (PMOBestSolutionHistoryAnalyzer != null) {
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| 214 | PMOBestSolutionHistoryAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 215 | }
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| 216 | }
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| 217 | private void ParameterizeOperators() {
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| 218 | foreach (IParameterConfigurationCrossover op in Operators.OfType<IParameterConfigurationCrossover>()) {
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| 219 | op.ParentsParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 220 | op.ChildParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 221 | }
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| 222 | foreach (IParameterConfigurationManipulator op in Operators.OfType<IParameterConfigurationManipulator>()) {
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| 223 | op.ParameterConfigurationTreeParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 224 | }
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| 225 | }
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| 226 |
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| 227 | #endregion
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| 228 |
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| 229 | #region Events
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| 230 |
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| 231 | private void SolutionCreatorParameter_ValueChanged(object sender, EventArgs e) {
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| 232 | ParameterizeSolutionCreator();
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| 233 | ParameterizeEvaluator();
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| 234 | ParameterizeAnalyzer();
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| 235 | ParameterizeOperators();
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| 236 | OnSolutionCreatorChanged();
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| 237 | }
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| 238 | private void EvaluatorParameter_ValueChanged(object sender, EventArgs e) {
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| 239 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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| 240 | ParameterizeEvaluator();
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| 241 | ParameterizeAnalyzer();
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| 242 | OnEvaluatorChanged();
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| 243 | }
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| 244 | private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
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| 245 | ParameterizeAnalyzer();
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| 246 | }
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| 247 | private void AlgorithmTypeParameter_ValueChanged(object sender, EventArgs e) {
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| 248 | AlgorithmType_ValueChanged(sender, e);
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| 249 | }
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| 250 |
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| 251 | private void AlgorithmType_ValueChanged(object sender, EventArgs e) {
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| 252 | IAlgorithm instance = (IAlgorithm)Activator.CreateInstance(AlgorithmType.Value);
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| 253 | this.ProblemType.ValidTypes = ApplicationManager.Manager.GetTypes(instance.ProblemType, true).ToList();
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| 254 | this.ProblemType.Value = this.ProblemType.ValidTypes.SingleOrDefault(t => t == typeof(SingleObjectiveTestFunctionProblem)) ?? this.ProblemType.ValidTypes.Where(t => t != typeof(MetaOptimizationProblem)).FirstOrDefault();
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| 255 | // ProblemType_ValueChanged will add one problem and create ParameterConfigurationTree
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| 256 | }
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| 257 |
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| 258 | private void ProblemTypeParameter_ValueChanged(object sender, EventArgs e) {
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| 259 | ProblemType_ValueChanged(sender, e);
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| 260 | }
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| 261 |
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| 262 | private void ProblemType_ValueChanged(object sender, EventArgs e) {
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| 263 | Problems.Clear();
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| 264 | Problems.Type = ProblemType.Value;
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| 265 | Problems.Add((IProblem)Activator.CreateInstance(this.ProblemType.Value));
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| 266 | }
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| 267 |
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| 268 | private void Problems_ItemsAdded(object sender, Collections.CollectionItemsChangedEventArgs<IndexedItem<IProblem>> e) {
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| 269 | // the first problem in the list is always the instance for the algorithm - this way some basic wiring between problem and algorithm can be sustained
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| 270 | if (e.Items.Single().Index == 0) {
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| 271 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(CreateAlgorithm(AlgorithmType.Value, e.Items.Single().Value), e.Items.Single().Value);
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| 272 |
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| 273 | // special for DataAnalysisProblem: Because of wiring between algorithm and problem, ParameterConfigurationTree needs to be recreated on Reset event
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| 274 | var dap = e.Items.Single().Value as IDataAnalysisProblem;
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| 275 | if (dap != null) {
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| 276 | dap.Reset += new EventHandler(DataAnalysisProblem_Reset);
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| 277 | }
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| 278 | }
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| 279 | }
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| 280 |
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| 281 | private void Problems_ItemsRemoved(object sender, Collections.CollectionItemsChangedEventArgs<IndexedItem<IProblem>> e) {
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| 282 | if (e.Items.Single().Index == 0) {
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| 283 | ParameterConfigurationTreeParameter.ActualValue = null;
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| 284 |
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| 285 | var dap = e.Items.Single().Value as IDataAnalysisProblem;
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| 286 | if (dap != null) {
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| 287 | dap.Reset -= new EventHandler(DataAnalysisProblem_Reset);
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| 288 | }
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| 289 | }
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| 290 | }
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| 291 |
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| 292 | private void DataAnalysisProblem_Reset(object sender, EventArgs e) {
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| 293 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(CreateAlgorithm(AlgorithmType.Value, Problems.First()), Problems.First());
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| 294 | }
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| 295 | #endregion
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| 296 |
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| 297 | private IAlgorithm CreateAlgorithm(Type algorithmType, IProblem problem) {
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| 298 | IAlgorithm algorithm = (IAlgorithm)Activator.CreateInstance(algorithmType);
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| 299 | algorithm.Problem = problem;
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| 300 | return algorithm;
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| 301 | }
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| 302 |
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| 303 | public void ImportAlgorithm(IAlgorithm algorithm) {
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| 304 | AlgorithmType.Value = algorithm.GetType();
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| 305 | if (algorithm.Problem != null) ProblemType.Value = algorithm.Problem.GetType();
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| 306 | if (algorithm.Problem != null) {
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| 307 | Problems.Clear();
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| 308 | Problems.Add((IProblem)algorithm.Problem);
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| 309 | }
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| 310 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(algorithm, Problems.First());
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| 311 | }
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| 312 | }
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| 313 | }
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