1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 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.SymbolicExpressionTreeEncoding;
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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.ArtificialAnt.Analyzers;
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34 |
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35 | namespace HeuristicLab.Problems.ArtificialAnt {
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36 | [Item("Artificial Ant Problem", "Represents the Artificial Ant problem.")]
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37 | [StorableClass]
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38 | public sealed class ArtificialAntProblem : SingleObjectiveHeuristicOptimizationProblem<Evaluator, ISymbolicExpressionTreeCreator>, IStorableContent {
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39 | public string Filename { get; set; }
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40 |
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41 | #region constant for default world (Santa Fe)
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42 | private readonly bool[,] santaFeAntTrail = new bool[,] {
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43 | {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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44 | {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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45 | {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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46 | {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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47 | {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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48 | {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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49 | {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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50 | {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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51 | {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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52 | {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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53 | {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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54 | {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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55 | {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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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, false, false, false},
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57 | {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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58 | {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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59 | {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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60 | {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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61 | {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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62 | {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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63 | {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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64 | {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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65 | {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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66 | {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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67 | {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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68 | {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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69 | {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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70 | {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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71 | {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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72 | {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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73 | {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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74 | {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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75 | };
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76 | #endregion
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77 |
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78 | #region Parameter Properties
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79 | public IValueParameter<ISymbolicExpressionGrammar> ArtificialAntExpressionGrammarParameter {
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80 | get { return (IValueParameter<ISymbolicExpressionGrammar>)Parameters["ArtificialAntExpressionGrammar"]; }
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81 | }
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82 | public IValueParameter<IntValue> MaxExpressionLengthParameter {
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83 | get { return (IValueParameter<IntValue>)Parameters["MaximumExpressionLength"]; }
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84 | }
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85 | public IValueParameter<IntValue> MaxExpressionDepthParameter {
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86 | get { return (IValueParameter<IntValue>)Parameters["MaximumExpressionDepth"]; }
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87 | }
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88 | public IValueParameter<IntValue> MaxFunctionDefinitionsParameter {
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89 | get { return (IValueParameter<IntValue>)Parameters["MaximumFunctionDefinitions"]; }
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90 | }
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91 | public IValueParameter<IntValue> MaxFunctionArgumentsParameter {
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92 | get { return (ValueParameter<IntValue>)Parameters["MaximumFunctionArguments"]; }
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93 | }
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94 | public IValueParameter<BoolMatrix> WorldParameter {
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95 | get { return (IValueParameter<BoolMatrix>)Parameters["World"]; }
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96 | }
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97 | public IValueParameter<IntValue> MaxTimeStepsParameter {
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98 | get { return (IValueParameter<IntValue>)Parameters["MaximumTimeSteps"]; }
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99 | }
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100 | #endregion
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101 |
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102 | #region Properties
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103 | public BoolMatrix World {
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104 | get { return WorldParameter.Value; }
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105 | set { WorldParameter.Value = value; }
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106 | }
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107 | public IntValue MaxTimeSteps {
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108 | get { return MaxTimeStepsParameter.Value; }
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109 | set { MaxTimeStepsParameter.Value = value; }
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110 | }
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111 | public IntValue MaxExpressionLength {
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112 | get { return MaxExpressionLengthParameter.Value; }
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113 | set { MaxExpressionLengthParameter.Value = value; }
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114 | }
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115 | public IntValue MaxExpressionDepth {
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116 | get { return MaxExpressionDepthParameter.Value; }
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117 | set { MaxExpressionDepthParameter.Value = value; }
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118 | }
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119 | public IntValue MaxFunctionDefinitions {
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120 | get { return MaxFunctionDefinitionsParameter.Value; }
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121 | set { MaxFunctionDefinitionsParameter.Value = value; }
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122 | }
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123 | public IntValue MaxFunctionArguments {
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124 | get { return MaxFunctionArgumentsParameter.Value; }
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125 | set { MaxFunctionArgumentsParameter.Value = value; }
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126 | }
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127 | public ArtificialAntExpressionGrammar ArtificialAntExpressionGrammar {
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128 | get { return (ArtificialAntExpressionGrammar)ArtificialAntExpressionGrammarParameter.Value; }
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129 | }
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130 | public IEnumerable<IAntTrailAnalyzer> AntTrailAnalyzers {
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131 | get { return Operators.OfType<IAntTrailAnalyzer>(); }
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132 | }
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133 | #endregion
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134 |
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135 | // BackwardsCompatibility3.3
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136 | #region Backwards compatible code, remove with 3.4
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137 | [Obsolete]
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138 | [Storable(Name = "operators")]
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139 | private IEnumerable<IOperator> oldOperators {
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140 | get { return null; }
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141 | set {
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142 | if (value != null && value.Any())
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143 | Operators.AddRange(value);
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144 | }
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145 | }
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146 | #endregion
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147 |
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148 | [StorableConstructor]
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149 | private ArtificialAntProblem(bool deserializing) : base(deserializing) { }
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150 | [StorableHook(HookType.AfterDeserialization)]
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151 | private void AfterDeserialization() {
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152 | RegisterEventHandlers();
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153 | }
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154 |
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155 | private ArtificialAntProblem(ArtificialAntProblem original, Cloner cloner)
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156 | : base(original, cloner) {
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157 | RegisterEventHandlers();
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158 | }
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159 | public override IDeepCloneable Clone(Cloner cloner) {
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160 | return new ArtificialAntProblem(this, cloner);
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161 | }
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162 | public ArtificialAntProblem()
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163 | : base(new Evaluator(), new ProbabilisticTreeCreator()) {
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164 | BoolMatrix world = new BoolMatrix(santaFeAntTrail);
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165 | Parameters.Add(new ValueParameter<IntValue>("MaximumExpressionLength", "Maximal length of the expression to control the artificial ant.", new IntValue(100)));
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166 | Parameters.Add(new ValueParameter<IntValue>("MaximumExpressionDepth", "Maximal depth of the expression to control the artificial ant.", new IntValue(10)));
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167 | Parameters.Add(new ValueParameter<IntValue>("MaximumFunctionDefinitions", "Maximal number of automatically defined functions in the expression to control the artificial ant.", new IntValue(3)));
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168 | Parameters.Add(new ValueParameter<IntValue>("MaximumFunctionArguments", "Maximal number of arguments of automatically defined functions in the expression to control the artificial ant.", new IntValue(3)));
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169 | Parameters.Add(new ValueParameter<ISymbolicExpressionGrammar>("ArtificialAntExpressionGrammar", "The grammar that should be used for artificial ant expressions.", new ArtificialAntExpressionGrammar()));
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170 | Parameters.Add(new ValueParameter<BoolMatrix>("World", "The world for the artificial ant with scattered food items.", world));
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171 | 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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172 |
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173 | Maximization.Value = true;
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174 | MaximizationParameter.Hidden = true;
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175 | BestKnownQuality = new DoubleValue(89);
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176 | SolutionCreator.SymbolicExpressionTreeParameter.ActualName = "AntTrailSolution";
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177 | ((ProbabilisticTreeCreator)SolutionCreator).SymbolicExpressionTreeGrammarParameter.ActualName = "ArtificialAntExpressionGrammar";
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178 | Evaluator.QualityParameter.ActualName = "FoodEaten";
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179 | InitializeOperators();
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180 | RegisterEventHandlers();
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181 |
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182 | ArtificialAntExpressionGrammar.MaximumFunctionDefinitions = MaxFunctionDefinitions.Value;
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183 | ArtificialAntExpressionGrammar.MaximumFunctionArguments = MaxFunctionArguments.Value;
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184 | }
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185 |
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186 | #region Events
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187 | protected override void OnSolutionCreatorChanged() {
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188 | base.OnSolutionCreatorChanged();
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189 | SolutionCreator.SymbolicExpressionTreeParameter.ActualName = "AntTrailSolution";
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190 | var grammarBased = SolutionCreator as ISymbolicExpressionTreeGrammarBasedOperator;
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191 | if (grammarBased != null)
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192 | grammarBased.SymbolicExpressionTreeGrammarParameter.ActualName = "ArtificialAntExpressionGrammar";
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193 |
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194 | SolutionCreator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged);
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195 | ParameterizeAnalyzers();
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196 | ParameterizeOperators();
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197 | }
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198 | protected override void OnEvaluatorChanged() {
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199 | base.OnEvaluatorChanged();
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200 | Evaluator.QualityParameter.ActualName = "FoodEaten";
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201 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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202 | ParameterizeAnalyzers();
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203 | ParameterizeOperators();
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204 | }
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205 | private void SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged(object sender, EventArgs e) {
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206 | ParameterizeAnalyzers();
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207 | ParameterizeOperators();
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208 | }
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209 | private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
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210 | ParameterizeAnalyzers();
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211 | ParameterizeOperators();
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212 | }
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213 | #endregion
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214 |
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215 | #region Helpers
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216 | private void RegisterEventHandlers() {
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217 | SolutionCreator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged);
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218 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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219 | MaxFunctionArgumentsParameter.ValueChanged += new EventHandler(MaxFunctionArgumentsParameter_ValueChanged);
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220 | MaxFunctionArguments.ValueChanged += new EventHandler(MaxFunctionArgumentsParameter_ValueChanged);
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221 | MaxFunctionDefinitionsParameter.ValueChanged += new EventHandler(MaxFunctionDefinitionsParameter_ValueChanged);
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222 | MaxFunctionDefinitions.ValueChanged += new EventHandler(MaxFunctionDefinitionsParameter_ValueChanged);
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223 | }
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224 |
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225 | private void MaxFunctionDefinitionsParameter_ValueChanged(object sender, EventArgs e) {
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226 | ArtificialAntExpressionGrammar.MaximumFunctionDefinitions = MaxFunctionDefinitions.Value;
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227 | ParameterizeOperators();
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228 | ParameterizeAnalyzers();
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229 | }
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230 | private void MaxFunctionArgumentsParameter_ValueChanged(object sender, EventArgs e) {
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231 | ArtificialAntExpressionGrammar.MaximumFunctionArguments = MaxFunctionArguments.Value;
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232 | ParameterizeOperators();
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233 | ParameterizeAnalyzers();
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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<ISymbolicExpressionTreeOperator>().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 = SolutionCreator.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 = SolutionCreator.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 (ISymbolicExpressionTreeSizeConstraintOperator op in operators.OfType<ISymbolicExpressionTreeSizeConstraintOperator>()) {
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264 | op.MaximumSymbolicExpressionTreeDepthParameter.ActualName = MaxExpressionDepthParameter.Name;
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265 | op.MaximumSymbolicExpressionTreeLengthParameter.ActualName = MaxExpressionLengthParameter.Name;
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266 |
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267 | }
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268 | foreach (Evaluator op in operators.OfType<Evaluator>()) {
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269 | op.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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270 | op.MaxTimeStepsParameter.ActualName = MaxTimeStepsParameter.Name;
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271 | op.WorldParameter.ActualName = WorldParameter.Name;
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272 | }
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273 | foreach (ISymbolicExpressionTreeCrossover op in operators.OfType<ISymbolicExpressionTreeCrossover>()) {
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274 | op.ParentsParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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275 | op.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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276 | }
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277 | foreach (ISymbolicExpressionTreeManipulator op in operators.OfType<ISymbolicExpressionTreeManipulator>()) {
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278 | op.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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279 | }
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280 | foreach (ISymbolicExpressionTreeArchitectureAlteringOperator op in operators.OfType<ISymbolicExpressionTreeArchitectureAlteringOperator>()) {
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281 | op.MaximumFunctionDefinitionsParameter.ActualName = MaxFunctionDefinitionsParameter.Name;
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282 | op.MaximumFunctionArgumentsParameter.ActualName = MaxFunctionArgumentsParameter.Name;
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283 | }
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284 | }
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285 | #endregion
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286 | }
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287 | }
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