| 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.Common;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Data;
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| 27 | using HeuristicLab.Optimization;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 | using HeuristicLab.PluginInfrastructure;
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| 31 | using HeuristicLab.Algorithms.GeneticAlgorithm;
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| 32 | using HeuristicLab.Problems.TestFunctions;
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| 33 |
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| 34 | namespace HeuristicLab.Problems.MetaOptimization {
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| 35 | [Item("Meta Optimization Problem", "Represents a Meta Optimization Problem.")]
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| 36 | [Creatable("Problems")]
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| 37 | [StorableClass]
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| 38 | public sealed class MetaOptimizationProblem : SingleObjectiveProblem<IParameterConfigurationEvaluator, IParameterConfigurationCreator> {
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| 39 | public const string AlgorithmTypeParameterName = "AlgorithmType";
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| 40 | public const string ProblemTypeParameterName = "ProblemType";
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| 41 | public const string ProblemsParameterName = "Problems";
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| 42 | public const string ParameterConfigurationTreeParameterName = "ParameterConfiguration";
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| 43 | public const string RepetitionsParameterName = "Repetitions";
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| 44 |
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| 45 | public const string IntValueManipulatorParameterName = "IntValueManipulator";
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| 46 | public const string DoubleValueManipulatorParameterName = "DoubleValueManipulator";
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| 47 | public const string IntValueCrossoverParameterName = "IntValueCrossover";
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| 48 | public const string DoubleValueCrossoverParameterName = "DoubleValueCrossover";
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| 49 |
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| 50 | #region Parameter Properties
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| 51 | public IValueParameter<ConstrainedTypeValue<IAlgorithm>> AlgorithmTypeParameter {
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| 52 | get { return (ValueParameter<ConstrainedTypeValue<IAlgorithm>>)Parameters[AlgorithmTypeParameterName]; }
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| 53 | }
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| 54 | public IValueParameter<ConstrainedTypeValue<IProblem>> ProblemTypeParameter {
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| 55 | get { return (ValueParameter<ConstrainedTypeValue<IProblem>>)Parameters[ProblemTypeParameterName]; }
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| 56 | }
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| 57 | public IValueParameter<ConstrainedItemList<IProblem>> ProblemsParameter {
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| 58 | get { return (ValueParameter<ConstrainedItemList<IProblem>>)Parameters[ProblemsParameterName]; }
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| 59 | }
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| 60 | public IValueParameter<ParameterConfigurationTree> ParameterConfigurationTreeParameter {
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| 61 | get { return (ValueParameter<ParameterConfigurationTree>)Parameters[ParameterConfigurationTreeParameterName]; }
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| 62 | }
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| 63 | public IValueParameter<IntValue> RepetitionsParameter {
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| 64 | get { return (ValueParameter<IntValue>)Parameters[RepetitionsParameterName]; }
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| 65 | }
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| 66 |
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| 67 | public IValueParameter<IIntValueManipulator> IntValueManipulatorParameter {
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| 68 | get { return (ValueParameter<IIntValueManipulator>)Parameters[IntValueManipulatorParameterName]; }
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| 69 | }
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| 70 |
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| 71 | public IValueParameter<IDoubleValueManipulator> DoubleValueManipulatorParameter {
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| 72 | get { return (ValueParameter<IDoubleValueManipulator>)Parameters[DoubleValueManipulatorParameterName]; }
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| 73 | }
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| 74 | #endregion
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| 75 |
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| 76 | #region Properties
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| 77 | public IAlgorithm Algorithm {
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| 78 | get { return CreateAlgorithm(AlgorithmType.Value, ProblemType.Value); }
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| 79 | }
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| 80 | public ConstrainedTypeValue<IAlgorithm> AlgorithmType {
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| 81 | get { return AlgorithmTypeParameter.Value; }
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| 82 | set { AlgorithmTypeParameter.Value = value; }
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| 83 | }
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| 84 | public ConstrainedTypeValue<IProblem> ProblemType {
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| 85 | get { return ProblemTypeParameter.Value; }
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| 86 | set { ProblemTypeParameter.Value = value; }
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| 87 | }
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| 88 | public ConstrainedItemList<IProblem> Problems {
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| 89 | get { return ProblemsParameter.Value; }
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| 90 | set { ProblemsParameter.Value = value; }
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| 91 | }
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| 92 | public ParameterConfigurationTree ParameterConfigurationTree {
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| 93 | get { return ParameterConfigurationTreeParameter.Value; }
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| 94 | set { ParameterConfigurationTreeParameter.Value = value; }
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| 95 | }
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| 96 | public IntValue Repetitions {
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| 97 | get { return RepetitionsParameter.Value; }
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| 98 | set { RepetitionsParameter.Value = value; }
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| 99 | }
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| 100 | private BestParameterConfigurationAnalyzer BestParameterConfigurationAnalyzer {
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| 101 | get { return Operators.OfType<BestParameterConfigurationAnalyzer>().FirstOrDefault(); }
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| 102 | }
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| 103 | private ReferenceQualityAnalyzer ReferenceQualityAnalyzer {
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| 104 | get { return Operators.OfType<ReferenceQualityAnalyzer>().FirstOrDefault(); }
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| 105 | }
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| 106 | private RunsAnalyzer RunsAnalyzer {
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| 107 | get { return Operators.OfType<RunsAnalyzer>().FirstOrDefault(); }
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| 108 | }
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| 109 | #endregion
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| 110 |
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| 111 | public MetaOptimizationProblem()
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| 112 | : base() {
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| 113 | Parameters.Add(new ValueParameter<ConstrainedTypeValue<IAlgorithm>>(AlgorithmTypeParameterName, "The algorithm which's parameters should be optimized.", new ConstrainedTypeValue<IAlgorithm>(typeof(GeneticAlgorithm))));
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| 114 | Parameters.Add(new ValueParameter<ConstrainedTypeValue<IProblem>>(ProblemTypeParameterName, "The problem type.", new ConstrainedTypeValue<IProblem>()));
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| 115 | Parameters.Add(new ValueParameter<ConstrainedItemList<IProblem>>(ProblemsParameterName, "The problems that should be evaluated.", new ConstrainedItemList<IProblem>()));
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| 116 | Parameters.Add(new ValueParameter<ParameterConfigurationTree>(ParameterConfigurationTreeParameterName, "Tree of algorithm parameters that should be optimized."));
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| 117 | Parameters.Add(new ValueParameter<IntValue>(RepetitionsParameterName, "The number of evaluations for each problem.", new IntValue(3)));
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| 118 |
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| 119 | var validIntManipulators = new ItemSet<IIntValueManipulator>(ApplicationManager.Manager.GetInstances<IIntValueManipulator>());
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| 120 | var validDoubleManipulators = new ItemSet<IDoubleValueManipulator>(ApplicationManager.Manager.GetInstances<IDoubleValueManipulator>());
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| 121 | var validIntCrossovers = new ItemSet<IIntValueCrossover>(ApplicationManager.Manager.GetInstances<IIntValueCrossover>());
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| 122 | var validDoubleCrossovers = new ItemSet<IDoubleValueCrossover>(ApplicationManager.Manager.GetInstances<IDoubleValueCrossover>());
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| 123 | Parameters.Add(new ConstrainedValueParameter<IIntValueManipulator>(IntValueManipulatorParameterName, "", validIntManipulators, validIntManipulators.Where(x => x.GetType() == typeof(NormalIntValueManipulator)).SingleOrDefault()));
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| 124 | Parameters.Add(new ConstrainedValueParameter<IDoubleValueManipulator>(DoubleValueManipulatorParameterName, "", validDoubleManipulators, validDoubleManipulators.Where(x => x.GetType() == typeof(NormalDoubleValueManipulator)).SingleOrDefault()));
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| 125 | Parameters.Add(new ConstrainedValueParameter<IIntValueCrossover>(IntValueCrossoverParameterName, "", validIntCrossovers, validIntCrossovers.Where(x => x.GetType() == typeof(NormalIntValueCrossover)).SingleOrDefault()));
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| 126 | Parameters.Add(new ConstrainedValueParameter<IDoubleValueCrossover>(DoubleValueCrossoverParameterName, "", validDoubleCrossovers, validDoubleCrossovers.Where(x => x.GetType() == typeof(NormalDoubleValueCrossover)).SingleOrDefault()));
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| 127 |
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| 128 | Maximization = new BoolValue(false);
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| 129 | SolutionCreator = new RandomParameterConfigurationCreator();
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| 130 | Evaluator = new ParameterConfigurationEvaluator();
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| 131 |
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| 132 | InitializeOperators();
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| 133 | RegisterParameterEvents();
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| 134 | ParameterizeAnalyzer();
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| 135 | ParameterizeSolutionCreator();
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| 136 | ParameterizeEvaluator();
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| 137 | ParameterizeOperators();
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| 138 |
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| 139 | AlgorithmTypeParameter_ValueChanged(this, EventArgs.Empty);
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| 140 | }
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| 141 |
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| 142 | [StorableConstructor]
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| 143 | private MetaOptimizationProblem(bool deserializing) : base(deserializing) { }
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| 144 | private MetaOptimizationProblem(MetaOptimizationProblem original, Cloner cloner)
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| 145 | : base(original, cloner) {
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| 146 | this.RegisterParameterEvents();
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| 147 | }
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| 148 | public override IDeepCloneable Clone(Cloner cloner) {
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| 149 | return new MetaOptimizationProblem(this, cloner);
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| 150 | }
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| 151 |
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| 152 | #region Helpers
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| 153 | [StorableHook(HookType.AfterDeserialization)]
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| 154 | private void AfterDeserializationHook() {
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| 155 | RegisterParameterEvents();
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| 156 | }
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| 157 | private void RegisterParameterEvents() {
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| 158 | SolutionCreatorParameter.ValueChanged += new EventHandler(SolutionCreatorParameter_ValueChanged);
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| 159 | EvaluatorParameter.ValueChanged += new EventHandler(EvaluatorParameter_ValueChanged);
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| 160 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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| 161 | AlgorithmTypeParameter.ValueChanged += new EventHandler(AlgorithmTypeParameter_ValueChanged);
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| 162 | AlgorithmType.ValueChanged += new EventHandler(AlgorithmType_ValueChanged);
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| 163 | ProblemTypeParameter.ValueChanged += new EventHandler(ProblemTypeParameter_ValueChanged);
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| 164 | ProblemType.ValueChanged += new EventHandler(ProblemType_ValueChanged);
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| 165 | }
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| 166 |
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| 167 | private void InitializeOperators() {
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| 168 | Operators.AddRange(ApplicationManager.Manager.GetInstances<IParameterConfigurationOperator>().Cast<IOperator>());
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| 169 | Operators.Add(new BestParameterConfigurationAnalyzer());
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| 170 | Operators.Add(new ReferenceQualityAnalyzer());
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| 171 | Operators.Add(new RunsAnalyzer());
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| 172 | }
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| 173 | private void ParameterizeSolutionCreator() {
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| 174 | }
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| 175 | private void ParameterizeEvaluator() {
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| 176 | ((ParameterConfigurationEvaluator)Evaluator).ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 177 | }
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| 178 | private void ParameterizeAnalyzer() {
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| 179 | if (BestParameterConfigurationAnalyzer != null) {
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| 180 | BestParameterConfigurationAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 181 | }
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| 182 | if (ReferenceQualityAnalyzer != null) {
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| 183 | ReferenceQualityAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 184 | }
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| 185 | if (RunsAnalyzer != null) {
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| 186 | RunsAnalyzer.ParameterConfigurationParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 187 | }
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| 188 | }
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| 189 | private void ParameterizeOperators() {
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| 190 | foreach (IParameterConfigurationCrossover op in Operators.OfType<IParameterConfigurationCrossover>()) {
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| 191 | op.ParentsParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 192 | op.ChildParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 193 | }
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| 194 | foreach (IParameterConfigurationManipulator op in Operators.OfType<IParameterConfigurationManipulator>()) {
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| 195 | op.ParameterConfigurationTreeParameter.ActualName = ((RandomParameterConfigurationCreator)SolutionCreator).ParameterConfigurationParameter.ActualName;
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| 196 | }
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| 197 | }
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| 198 |
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| 199 | #endregion
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| 200 |
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| 201 | #region Events
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| 202 |
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| 203 | private void SolutionCreatorParameter_ValueChanged(object sender, EventArgs e) {
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| 204 | ParameterizeSolutionCreator();
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| 205 | ParameterizeEvaluator();
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| 206 | ParameterizeAnalyzer();
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| 207 | ParameterizeOperators();
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| 208 | OnSolutionCreatorChanged();
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| 209 | }
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| 210 | private void EvaluatorParameter_ValueChanged(object sender, EventArgs e) {
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| 211 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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| 212 | ParameterizeEvaluator();
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| 213 | ParameterizeAnalyzer();
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| 214 | OnEvaluatorChanged();
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| 215 | }
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| 216 | private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
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| 217 | ParameterizeAnalyzer();
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| 218 | }
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| 219 | private void AlgorithmTypeParameter_ValueChanged(object sender, EventArgs e) {
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| 220 | AlgorithmType_ValueChanged(sender, e);
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| 221 | }
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| 222 |
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| 223 | private void AlgorithmType_ValueChanged(object sender, EventArgs e) {
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| 224 | IAlgorithm instance = (IAlgorithm)Activator.CreateInstance(AlgorithmType.Value);
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| 225 | this.ProblemType.ValidTypes = ApplicationManager.Manager.GetTypes(instance.ProblemType, true).ToList();
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| 226 | this.ProblemType.Value = this.ProblemType.ValidTypes.First();
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| 227 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(CreateAlgorithm(AlgorithmType.Value, ProblemType.Value));
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| 228 | }
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| 229 |
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| 230 | private void ProblemTypeParameter_ValueChanged(object sender, EventArgs e) {
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| 231 | ProblemType_ValueChanged(sender, e);
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| 232 | }
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| 233 |
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| 234 | private void ProblemType_ValueChanged(object sender, EventArgs e) {
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| 235 | Problems.Clear();
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| 236 | Problems.Type = ProblemType.Value;
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| 237 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(CreateAlgorithm(AlgorithmType.Value, ProblemType.Value));
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| 238 | }
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| 239 | #endregion
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| 240 |
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| 241 | private IAlgorithm CreateAlgorithm(Type algorithmType, Type problemType) {
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| 242 | IAlgorithm algorithm = (IAlgorithm)Activator.CreateInstance(algorithmType);
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| 243 | algorithm.Problem = (IProblem)Activator.CreateInstance(problemType);
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| 244 | return algorithm;
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| 245 | }
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| 246 |
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| 247 | public void ImportAlgorithm(IAlgorithm algorithm) {
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| 248 | AlgorithmType.Value = algorithm.GetType();
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| 249 | if (algorithm.Problem != null) ProblemType.Value = algorithm.Problem.GetType();
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| 250 | ParameterConfigurationTreeParameter.ActualValue = new ParameterConfigurationTree(algorithm);
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| 251 | if (algorithm.Problem != null) Problems.Add((IProblem)algorithm.Problem);
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| 252 | }
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| 253 | }
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| 254 | }
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