| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2013 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 HeuristicLab.Common;
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| 26 | using HeuristicLab.Core;
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| 27 | using HeuristicLab.Data;
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| 28 | using HeuristicLab.Encodings.IntegerVectorEncoding;
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| 29 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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| 30 | using HeuristicLab.Optimization;
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| 31 | using HeuristicLab.Parameters;
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| 32 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 33 | using HeuristicLab.PluginInfrastructure;
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| 34 | using HeuristicLab.Problems.ArtificialAnt;
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| 35 | using HeuristicLab.Problems.ArtificialAnt.Analyzers;
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| 36 | using HeuristicLab.Problems.GrammaticalEvolution.Mappers;
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| 37 |
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| 38 | namespace HeuristicLab.Problems.GrammaticalEvolution {
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| 39 | [Item("Grammatical Evolution Artificial Ant Problem", "Represents the Artificial Ant problem, implemented in Grammatical Evolution.")]
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| 40 | [Creatable("Problems")]
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| 41 | [StorableClass]
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| 42 | public sealed class GEArtificialAntProblem : SingleObjectiveHeuristicOptimizationProblem<GEArtificialAntEvaluator, IIntegerVectorCreator>, IStorableContent {
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| 43 | public string Filename { get; set; }
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| 44 |
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| 45 | #region constant for default world (Santa Fe)
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| 46 | private readonly bool[,] santaFeAntTrail = new bool[,] {
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| 47 | {false, true, true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 48 | {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 49 | {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, true, true, false, false, false, false},
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| 50 | {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, true, false, false},
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| 51 | {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, true, false, false},
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| 52 | {false, false, false, true, true, true, true, false, true, true, true, true, true, false, false, false, false, false, false, false, false, true, true, false, false, false, false, false, false, false, false, false},
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| 53 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false},
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| 54 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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| 55 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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| 56 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, true, false, false},
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| 57 | {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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| 58 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 59 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false},
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| 60 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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| 61 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, true, true, true, false, false, false},
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| 62 | {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, true, false, false, false, false, false, false, false, false},
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| 63 | {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 64 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 65 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false},
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| 66 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false},
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| 67 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 68 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 69 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false},
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| 70 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false},
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| 71 | {false, false, false, true, true, false, false, true, true, true, true, true, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 72 | {false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 73 | {false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 74 | {false, true, false, false, false, false, false, false, true, true, true, true, true, true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 75 | {false, true, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 76 | {false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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| 77 | {false, false, true, true, true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false },
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| 78 | {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false }
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| 79 | };
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| 80 | #endregion
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| 81 |
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| 82 | #region Parameter Properties
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| 83 | public IValueParameter<ISymbolicExpressionGrammar> ArtificialAntExpressionGrammarParameter {
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| 84 | get { return (IValueParameter<ISymbolicExpressionGrammar>)Parameters["ArtificialAntExpressionGrammar"]; }
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| 85 | }
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| 86 | public IValueParameter<IntValue> MaxExpressionLengthParameter {
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| 87 | get { return (IValueParameter<IntValue>)Parameters["MaximumExpressionLength"]; }
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| 88 | }
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| 89 | public IValueParameter<BoolMatrix> WorldParameter {
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| 90 | get { return (IValueParameter<BoolMatrix>)Parameters["World"]; }
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| 91 | }
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| 92 | public IValueParameter<IntValue> MaxTimeStepsParameter {
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| 93 | get { return (IValueParameter<IntValue>)Parameters["MaximumTimeSteps"]; }
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| 94 | }
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| 95 | public IValueParameter<IntMatrix> BoundsParameter {
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| 96 | get { return (IValueParameter<IntMatrix>)Parameters["Bounds"]; }
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| 97 | }
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| 98 | public IValueParameter<IGenotypeToPhenotypeMapper> GenotypeToPhenotypeMapperParameter {
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| 99 | get { return (IValueParameter<IGenotypeToPhenotypeMapper>)Parameters["GenotypeToPhenotypeMapper"]; }
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| 100 | }
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| 101 | #endregion
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| 102 |
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| 103 | #region Properties
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| 104 | public BoolMatrix World {
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| 105 | get { return WorldParameter.Value; }
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| 106 | set { WorldParameter.Value = value; }
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| 107 | }
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| 108 | public IntValue MaxTimeSteps {
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| 109 | get { return MaxTimeStepsParameter.Value; }
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| 110 | set { MaxTimeStepsParameter.Value = value; }
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| 111 | }
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| 112 | public IntValue MaxExpressionLength {
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| 113 | get { return MaxExpressionLengthParameter.Value; }
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| 114 | set { MaxExpressionLengthParameter.Value = value; }
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| 115 | }
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| 116 | public ArtificialAntExpressionGrammar ArtificialAntExpressionGrammar {
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| 117 | get { return (ArtificialAntExpressionGrammar)ArtificialAntExpressionGrammarParameter.Value; }
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| 118 | }
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| 119 | public IEnumerable<IAntTrailAnalyzer> AntTrailAnalyzers {
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| 120 | get { return Operators.OfType<IAntTrailAnalyzer>(); }
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| 121 | }
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| 122 | public IntMatrix Bounds {
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| 123 | get { return BoundsParameter.Value; }
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| 124 | set { BoundsParameter.Value = value; }
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| 125 | }
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| 126 | #endregion
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| 127 |
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| 128 | // BackwardsCompatibility3.3
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| 129 | #region Backwards compatible code, remove with 3.4
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| 130 | [Obsolete]
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| 131 | [Storable(Name = "operators")]
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| 132 | private IEnumerable<IOperator> oldOperators {
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| 133 | get { return null; }
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| 134 | set {
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| 135 | if (value != null && value.Any())
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| 136 | Operators.AddRange(value);
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| 137 | }
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| 138 | }
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| 139 | #endregion
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| 140 |
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| 141 | [StorableConstructor]
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| 142 | private GEArtificialAntProblem(bool deserializing) : base(deserializing) { }
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| 143 | [StorableHook(HookType.AfterDeserialization)]
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| 144 | private void AfterDeserialization() {
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| 145 | RegisterEventHandlers();
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| 146 | }
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| 147 |
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| 148 | private GEArtificialAntProblem(GEArtificialAntProblem original, Cloner cloner)
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| 149 | : base(original, cloner) {
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| 150 | RegisterEventHandlers();
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| 151 | }
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| 152 |
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| 153 | public override IDeepCloneable Clone(Cloner cloner) {
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| 154 | return new GEArtificialAntProblem(this, cloner);
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| 155 | }
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| 156 |
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| 157 | public GEArtificialAntProblem()
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| 158 | : base(new GEArtificialAntEvaluator(), new UniformRandomIntegerVectorCreator()) {
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| 159 | BoolMatrix world = new BoolMatrix(santaFeAntTrail);
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| 160 | Parameters.Add(new ValueParameter<IntValue>("MaximumExpressionLength", "Maximal length of the expression to control the artificial ant (genotype length).", new IntValue(30)));
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| 161 | Parameters.Add(new ValueParameter<ISymbolicExpressionGrammar>("ArtificialAntExpressionGrammar", "The grammar that should be used for artificial ant expressions.", new ArtificialAntExpressionGrammar()));
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| 162 | Parameters.Add(new ValueParameter<BoolMatrix>("World", "The world for the artificial ant with scattered food items.", world));
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| 163 | Parameters.Add(new ValueParameter<IntValue>("MaximumTimeSteps", "The number of time steps the artificial ant has available to collect all food items.", new IntValue(600)));
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| 164 | IntMatrix m = new IntMatrix(new int[,] { { 0, 100 } });
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| 165 | Parameters.Add(new ValueParameter<IntMatrix>("Bounds", "The integer number range in which the single genomes of a genotype are created.", m));
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| 166 | Parameters.Add(new ValueParameter<IGenotypeToPhenotypeMapper>("GenotypeToPhenotypeMapper", "Maps the genotype (an integer vector) to the phenotype (a symbolic expression tree).", new DepthFirstMapper()));
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| 167 |
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| 168 | Maximization.Value = true;
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| 169 | MaximizationParameter.Hidden = true;
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| 170 | BestKnownQuality = new DoubleValue(89);
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| 171 |
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| 172 | SolutionCreator.IntegerVectorParameter.ActualName = "AntTrailSolutionIntegerVector";
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| 173 | Evaluator.SymbolicExpressionTreeParameter.ActualName = "AntTrailSolutionTree";
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| 174 | Evaluator.SymbolicExpressionTreeGrammarParameter.ActualName = "ArtificialAntExpressionGrammar";
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| 175 | Evaluator.QualityParameter.ActualName = "FoodEaten";
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| 176 |
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| 177 | InitializeOperators();
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| 178 | RegisterEventHandlers();
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| 179 | }
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| 180 |
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| 181 | #region Events
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| 182 | protected override void OnSolutionCreatorChanged() {
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| 183 | base.OnSolutionCreatorChanged();
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| 184 |
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| 185 | SolutionCreator.IntegerVectorParameter.ActualName = "AntTrailSolutionIntegerVector";
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| 186 | SolutionCreator.IntegerVectorParameter.ActualNameChanged += new EventHandler(SolutionCreator_IntegerVectorParameter_ActualNameChanged);
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| 187 |
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| 188 | ParameterizeAnalyzers();
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| 189 | ParameterizeOperators();
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| 190 | }
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| 191 |
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| 192 | protected override void OnEvaluatorChanged() {
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| 193 | base.OnEvaluatorChanged();
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| 194 |
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| 195 | Evaluator.SymbolicExpressionTreeParameter.ActualName = "AntTrailSolutionTree";
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| 196 | Evaluator.SymbolicExpressionTreeGrammarParameter.ActualName = "ArtificialAntExpressionGrammar";
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| 197 | Evaluator.QualityParameter.ActualName = "FoodEaten";
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| 198 |
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| 199 | Evaluator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(Evaluator_SymbolicExpressionTreeParameter_ActualNameChanged);
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| 200 | Evaluator.SymbolicExpressionTreeGrammarParameter.ActualNameChanged += new EventHandler(Evaluator_SymbolicExpressionTreeGrammarParameter_ActualNameChanged);
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| 201 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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| 202 |
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| 203 | ParameterizeAnalyzers();
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| 204 | ParameterizeOperators();
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| 205 | }
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| 206 |
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| 207 | private void SolutionCreator_IntegerVectorParameter_ActualNameChanged(object sender, EventArgs e) {
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| 208 | ParameterizeAnalyzers();
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| 209 | ParameterizeOperators();
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| 210 | }
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| 211 |
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| 212 | private void Evaluator_SymbolicExpressionTreeParameter_ActualNameChanged(object sender, EventArgs e) {
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| 213 | ParameterizeAnalyzers();
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| 214 | ParameterizeOperators();
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| 215 | }
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| 216 |
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| 217 | private void Evaluator_SymbolicExpressionTreeGrammarParameter_ActualNameChanged(object sender, EventArgs e) {
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| 218 | ParameterizeAnalyzers();
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| 219 | ParameterizeOperators();
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| 220 | }
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| 221 |
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| 222 | private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
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| 223 | ParameterizeAnalyzers();
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| 224 | ParameterizeOperators();
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| 225 | }
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| 226 | #endregion
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| 227 |
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| 228 | #region Helpers
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| 229 | private void RegisterEventHandlers() {
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| 230 | SolutionCreator.IntegerVectorParameter.ActualNameChanged += new EventHandler(SolutionCreator_IntegerVectorParameter_ActualNameChanged);
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| 231 | Evaluator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(Evaluator_SymbolicExpressionTreeParameter_ActualNameChanged);
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| 232 | Evaluator.SymbolicExpressionTreeGrammarParameter.ActualNameChanged += new EventHandler(Evaluator_SymbolicExpressionTreeGrammarParameter_ActualNameChanged);
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| 233 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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| 234 | }
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| 235 |
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| 236 | private void InitializeOperators() {
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| 237 | Operators.AddRange(ApplicationManager.Manager.GetInstances<IIntegerVectorOperator>().OfType<IOperator>());
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| 238 | Operators.Add(new BestAntTrailAnalyzer());
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| 239 | Operators.Add(new MinAverageMaxSymbolicExpressionTreeLengthAnalyzer());
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| 240 | Operators.Add(new SymbolicExpressionSymbolFrequencyAnalyzer());
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| 241 | ParameterizeAnalyzers();
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| 242 | ParameterizeOperators();
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| 243 | }
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| 244 |
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| 245 | private void ParameterizeAnalyzers() {
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| 246 | foreach (IAntTrailAnalyzer analyzer in AntTrailAnalyzers) {
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| 247 | analyzer.QualityParameter.ActualName = Evaluator.QualityParameter.ActualName;
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| 248 | analyzer.SymbolicExpressionTreeParameter.ActualName = Evaluator.SymbolicExpressionTreeParameter.ActualName;
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| 249 | analyzer.WorldParameter.ActualName = WorldParameter.Name;
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| 250 | analyzer.MaxTimeStepsParameter.ActualName = MaxTimeStepsParameter.Name;
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| 251 | }
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| 252 | foreach (ISymbolicExpressionTreeAnalyzer analyzer in Operators.OfType<ISymbolicExpressionTreeAnalyzer>()) {
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| 253 | analyzer.SymbolicExpressionTreeParameter.ActualName = Evaluator.SymbolicExpressionTreeParameter.ActualName;
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| 254 | }
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| 255 | }
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| 256 |
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| 257 | private void ParameterizeOperators() {
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| 258 | var operators = Parameters.OfType<IValueParameter>().Select(p => p.Value).OfType<IOperator>().Union(Operators);
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| 259 |
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| 260 | foreach (ISymbolicExpressionTreeGrammarBasedOperator op in operators.OfType<ISymbolicExpressionTreeGrammarBasedOperator>()) {
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| 261 | op.SymbolicExpressionTreeGrammarParameter.ActualName = ArtificialAntExpressionGrammarParameter.Name;
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| 262 | }
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| 263 | foreach (GEArtificialAntEvaluator op in operators.OfType<GEArtificialAntEvaluator>()) {
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| 264 | op.IntegerVectorParameter.ActualName = SolutionCreator.IntegerVectorParameter.ActualName;
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| 265 | op.MaxTimeStepsParameter.ActualName = MaxTimeStepsParameter.Name;
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| 266 | op.WorldParameter.ActualName = WorldParameter.Name;
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| 267 | }
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| 268 | foreach (IIntegerVectorCrossover op in operators.OfType<IIntegerVectorCrossover>()) {
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| 269 | op.ParentsParameter.ActualName = SolutionCreator.IntegerVectorParameter.ActualName;
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| 270 | op.ChildParameter.ActualName = SolutionCreator.IntegerVectorParameter.ActualName;
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| 271 | }
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| 272 | foreach (IIntegerVectorManipulator op in operators.OfType<IIntegerVectorManipulator>()) {
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| 273 | op.IntegerVectorParameter.ActualName = SolutionCreator.IntegerVectorParameter.ActualName;
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| 274 | }
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| 275 | foreach (IIntegerVectorCreator op in operators.OfType<IIntegerVectorCreator>()) {
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| 276 | op.BoundsParameter.ActualName = BoundsParameter.Name;
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| 277 | op.LengthParameter.ActualName = MaxExpressionLengthParameter.Name;
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| 278 | }
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| 279 | }
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| 280 | #endregion
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| 281 | }
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| 282 | } |
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