[3223] | 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.Collections.Generic;
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| 24 | using System.Linq;
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| 25 | using System.Drawing;
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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.Encodings.SymbolicExpressionTreeEncoding;
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| 34 |
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| 35 | namespace HeuristicLab.Problems.ArtificialAnt {
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| 36 | [Item("ArtificialAntProblem", "Represents the Artificial Ant problem.")]
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| 37 | [Creatable("Problems")]
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| 38 | [StorableClass]
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| 39 | public sealed class ArtificialAntProblem : ParameterizedNamedItem, ISingleObjectiveProblem {
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| 40 | public override Image ItemImage {
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| 41 | get { return HeuristicLab.Common.Resources.VS2008ImageLibrary.Type; }
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| 42 | }
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| 43 |
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| 44 | #region Parameter Properties
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| 45 | public ValueParameter<BoolValue> MaximizationParameter {
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| 46 | get { return (ValueParameter<BoolValue>)Parameters["Maximization"]; }
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| 47 | }
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| 48 | IParameter ISingleObjectiveProblem.MaximizationParameter {
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| 49 | get { return MaximizationParameter; }
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| 50 | }
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| 51 | public ValueParameter<SymbolicExpressionTreeCreator> SolutionCreatorParameter {
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| 52 | get { return (ValueParameter<SymbolicExpressionTreeCreator>)Parameters["SolutionCreator"]; }
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| 53 | }
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| 54 | IParameter IProblem.SolutionCreatorParameter {
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| 55 | get { return SolutionCreatorParameter; }
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| 56 | }
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| 57 | public ValueParameter<Evaluator> EvaluatorParameter {
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| 58 | get { return (ValueParameter<Evaluator>)Parameters["Evaluator"]; }
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| 59 | }
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| 60 | IParameter IProblem.EvaluatorParameter {
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| 61 | get { return EvaluatorParameter; }
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| 62 | }
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| 63 | public ValueParameter<ISymbolicExpressionGrammar> ArtificialAntExpressionGrammarParameter {
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| 64 | get { return (ValueParameter<ISymbolicExpressionGrammar>)Parameters["ArtificialAntExpressionGrammar"]; }
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| 65 | }
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| 66 | public ValueParameter<IntValue> MaxExpressionLengthParameter {
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| 67 | get { return (ValueParameter<IntValue>)Parameters["MaxExpressionLength"]; }
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| 68 | }
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| 69 | public ValueParameter<IntValue> MaxExpressionDepthParameter {
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| 70 | get { return (ValueParameter<IntValue>)Parameters["MaxExpressionDepth"]; }
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| 71 | }
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| 72 |
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| 73 | public OptionalValueParameter<IAntTrailVisualizer> VisualizerParameter {
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| 74 | get { return (OptionalValueParameter<IAntTrailVisualizer>)Parameters["Visualizer"]; }
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| 75 | }
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| 76 | IParameter IProblem.VisualizerParameter {
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| 77 | get { return VisualizerParameter; }
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| 78 | }
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| 79 | public ValueParameter<DoubleValue> BestKnownQualityParameter {
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| 80 | get { return (ValueParameter<DoubleValue>)Parameters["BestKnownQuality"]; }
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| 81 | }
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| 82 | IParameter ISingleObjectiveProblem.BestKnownQualityParameter {
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| 83 | get { return BestKnownQualityParameter; }
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| 84 | }
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| 85 | #endregion
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| 86 |
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| 87 | #region Properties
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| 88 | public SymbolicExpressionTreeCreator SolutionCreator {
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| 89 | get { return SolutionCreatorParameter.Value; }
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| 90 | set { SolutionCreatorParameter.Value = value; }
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| 91 | }
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| 92 | ISolutionCreator IProblem.SolutionCreator {
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| 93 | get { return SolutionCreatorParameter.Value; }
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| 94 | }
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| 95 | public Evaluator Evaluator {
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| 96 | get { return EvaluatorParameter.Value; }
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| 97 | set { EvaluatorParameter.Value = value; }
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| 98 | }
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| 99 | ISingleObjectiveEvaluator ISingleObjectiveProblem.Evaluator {
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| 100 | get { return EvaluatorParameter.Value; }
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| 101 | }
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| 102 | IEvaluator IProblem.Evaluator {
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| 103 | get { return EvaluatorParameter.Value; }
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| 104 | }
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| 105 | public ISymbolicExpressionGrammar ArtificialAntExpressionGrammar {
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| 106 | get { return ArtificialAntExpressionGrammarParameter.Value; }
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| 107 | }
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| 108 | public IAntTrailVisualizer Visualizer {
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| 109 | get { return VisualizerParameter.Value; }
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| 110 | set { VisualizerParameter.Value = value; }
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| 111 | }
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| 112 | ISolutionsVisualizer IProblem.Visualizer {
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| 113 | get { return VisualizerParameter.Value; }
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| 114 | }
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| 115 | public DoubleValue BestKnownQuality {
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| 116 | get { return BestKnownQualityParameter.Value; }
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| 117 | }
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| 118 | private List<IOperator> operators;
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| 119 | public IEnumerable<IOperator> Operators {
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| 120 | get { return operators; }
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| 121 | }
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| 122 | #endregion
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| 123 |
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| 124 | public ArtificialAntProblem()
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| 125 | : base() {
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| 126 | SymbolicExpressionTreeCreator creator = new ProbabilisticTreeCreator();
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| 127 | Evaluator evaluator = new Evaluator();
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| 128 | ArtificialAntExpressionGrammar grammar = new ArtificialAntExpressionGrammar();
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[3238] | 129 | BestAntTrailVisualizer visualizer = new BestAntTrailVisualizer();
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[3223] | 130 |
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| 131 | Parameters.Add(new ValueParameter<BoolValue>("Maximization", "Set to true as the Artificial Ant Problem is a maximization problem.", new BoolValue(true)));
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| 132 | Parameters.Add(new ValueParameter<SymbolicExpressionTreeCreator>("SolutionCreator", "The operator which should be used to create new artificial ant solutions.", creator));
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| 133 | Parameters.Add(new ValueParameter<Evaluator>("Evaluator", "The operator which should be used to evaluate artificial ant solutions.", evaluator));
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[3238] | 134 | Parameters.Add(new ValueParameter<DoubleValue>("BestKnownQuality", "The quality of the best known solution of this OneMax instance.", new DoubleValue(89)));
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[3223] | 135 | Parameters.Add(new ValueParameter<ISymbolicExpressionGrammar>("ArtificialAntExpressionGrammar", "The grammar that should be used for artificial ant expressions.", grammar));
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| 136 | Parameters.Add(new ValueParameter<IntValue>("MaxExpressionLength", "Maximal length of the expression to control the artificial ant.", new IntValue(100)));
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| 137 | Parameters.Add(new ValueParameter<IntValue>("MaxExpressionDepth", "Maximal depth of the expression to control the artificial ant.", new IntValue(10)));
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[3238] | 138 | Parameters.Add(new ValueParameter<IAntTrailVisualizer>("Visualizer", "The operator which should be used to visualize artificial ant solutions.", visualizer));
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[3223] | 139 |
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| 140 | creator.SymbolicExpressionTreeParameter.ActualName = "AntTrailSolution";
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| 141 | evaluator.QualityParameter.ActualName = "FoodEaten";
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| 142 | ParameterizeSolutionCreator();
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| 143 | ParameterizeEvaluator();
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[3238] | 144 | ParameterizeVisualizer();
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[3223] | 145 |
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| 146 | Initialize();
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| 147 | }
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| 148 |
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| 149 | [StorableConstructor]
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| 150 | private ArtificialAntProblem(bool deserializing) : base() { }
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| 151 |
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| 152 | public override IDeepCloneable Clone(Cloner cloner) {
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| 153 | ArtificialAntProblem clone = (ArtificialAntProblem)base.Clone(cloner);
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| 154 | clone.Initialize();
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| 155 | return clone;
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| 156 | }
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| 157 |
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| 158 | #region Events
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| 159 | public event EventHandler SolutionCreatorChanged;
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| 160 | private void OnSolutionCreatorChanged() {
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| 161 | if (SolutionCreatorChanged != null)
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| 162 | SolutionCreatorChanged(this, EventArgs.Empty);
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| 163 | }
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| 164 | public event EventHandler EvaluatorChanged;
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| 165 | private void OnEvaluatorChanged() {
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| 166 | if (EvaluatorChanged != null)
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| 167 | EvaluatorChanged(this, EventArgs.Empty);
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| 168 | }
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| 169 | public event EventHandler VisualizerChanged;
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| 170 | private void OnVisualizerChanged() {
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| 171 | if (VisualizerChanged != null)
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| 172 | VisualizerChanged(this, EventArgs.Empty);
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| 173 | }
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| 174 |
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| 175 | public event EventHandler OperatorsChanged;
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| 176 | private void OnOperatorsChanged() {
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| 177 | if (OperatorsChanged != null)
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| 178 | OperatorsChanged(this, EventArgs.Empty);
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| 179 | }
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| 180 |
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| 181 | private void SolutionCreatorParameter_ValueChanged(object sender, EventArgs e) {
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| 182 | SolutionCreator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged);
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| 183 | ParameterizeSolutionCreator();
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| 184 | ParameterizeEvaluator();
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| 185 | ParameterizeOperators();
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| 186 | OnSolutionCreatorChanged();
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| 187 | }
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| 188 | private void SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged(object sender, EventArgs e) {
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| 189 | ParameterizeEvaluator();
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| 190 | ParameterizeOperators();
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| 191 | }
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| 192 | private void EvaluatorParameter_ValueChanged(object sender, EventArgs e) {
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| 193 | ParameterizeEvaluator();
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| 194 | OnEvaluatorChanged();
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| 195 | }
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| 196 | #endregion
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| 197 |
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| 198 | #region Helpers
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| 199 | [StorableHook(HookType.AfterDeserialization)]
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| 200 | private void Initialize() {
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| 201 | InitializeOperators();
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| 202 | SolutionCreatorParameter.ValueChanged += new EventHandler(SolutionCreatorParameter_ValueChanged);
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| 203 | SolutionCreator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged);
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| 204 | EvaluatorParameter.ValueChanged += new EventHandler(EvaluatorParameter_ValueChanged);
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| 205 | }
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| 206 | private void ParameterizeSolutionCreator() {
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| 207 | SolutionCreator.SymbolicExpressionGrammarParameter.ActualName = ArtificialAntExpressionGrammarParameter.Name;
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| 208 | }
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| 209 | private void ParameterizeEvaluator() {
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| 210 | Evaluator.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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| 211 | }
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| 212 | private void InitializeOperators() {
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| 213 | operators = new List<IOperator>();
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| 214 | operators.Add(Evaluator);
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| 215 | operators.Add(SolutionCreator);
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[3238] | 216 | operators.Add(new SubtreeCrossover());
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[3223] | 217 | ParameterizeOperators();
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| 218 | }
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| 219 |
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| 220 | private void ParameterizeOperators() {
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| 221 | foreach (ProbabilisticTreeCreator op in Operators.OfType<ProbabilisticTreeCreator>()) {
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| 222 | op.MaxTreeHeightParameter.ActualName = MaxExpressionDepthParameter.Name;
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| 223 | op.MaxTreeSizeParameter.ActualName = MaxExpressionLengthParameter.Name;
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| 224 | op.SymbolicExpressionGrammarParameter.ActualName = ArtificialAntExpressionGrammarParameter.Name;
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| 225 | }
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| 226 | foreach (Evaluator op in Operators.OfType<Evaluator>()) {
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| 227 | op.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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| 228 | }
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[3238] | 229 | foreach (SymbolicExpressionTreeCrossover op in Operators.OfType<SymbolicExpressionTreeCrossover>()) {
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| 230 | op.MaxTreeHeightParameter.ActualName = MaxExpressionDepthParameter.Name;
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| 231 | op.MaxTreeSizeParameter.ActualName = MaxExpressionLengthParameter.Name;
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| 232 | op.SymbolicExpressionGrammarParameter.ActualName = ArtificialAntExpressionGrammarParameter.Name;
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| 233 | op.ParentsParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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| 234 | op.ChildParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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| 235 | }
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[3223] | 236 | }
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[3238] | 237 | private void ParameterizeVisualizer() {
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| 238 | if (Visualizer != null) {
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| 239 | Visualizer.QualityParameter.ActualName = Evaluator.QualityParameter.ActualName;
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| 240 | if (Visualizer is IAntTrailVisualizer)
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| 241 | ((IAntTrailVisualizer)Visualizer).SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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| 242 | }
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| 243 | }
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| 244 |
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[3223] | 245 | #endregion
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| 246 | }
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| 247 | }
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