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source: branches/GrammaticalEvolution/HeuristicLab.Problems.GrammaticalEvolution/ArtificialAnt/GEArtificialAntProblem.cs @ 10071

Last change on this file since 10071 was 10071, checked in by sawinkle, 9 years ago

#2109: moved GEArtificialAntEvaluator.cs and GEArtificialAntProblem.cs to sub folder \ArtificialAnt

File size: 19.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Linq;
25using HeuristicLab.Common;
26using HeuristicLab.Core;
27using HeuristicLab.Data;
28using HeuristicLab.Encodings.IntegerVectorEncoding;
29using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
30using HeuristicLab.Optimization;
31using HeuristicLab.Parameters;
32using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
33using HeuristicLab.PluginInfrastructure;
34using HeuristicLab.Problems.ArtificialAnt;
35using HeuristicLab.Problems.ArtificialAnt.Analyzers;
36using HeuristicLab.Problems.GrammaticalEvolution.Mappers;
37
38namespace HeuristicLab.Problems.GrammaticalEvolution {
39  [Item("Grammatical Evolution Artificial Ant Problem", "Represents the Artificial Ant problem, implemented in Grammatical Evolution.")]
40  [Creatable("Problems")]
41  [StorableClass]
42  public sealed class GEArtificialAntProblem : SingleObjectiveHeuristicOptimizationProblem<GEArtificialAntEvaluator, IIntegerVectorCreator>, IStorableContent {
43    public string Filename { get; set; }
44
45    #region constant for default world (Santa Fe)
46    private readonly bool[,] santaFeAntTrail = new bool[,] {
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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 },
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 }
79    };
80    #endregion
81
82    #region Parameter Properties
83    public IValueParameter<ISymbolicExpressionGrammar> ArtificialAntExpressionGrammarParameter {
84      get { return (IValueParameter<ISymbolicExpressionGrammar>)Parameters["ArtificialAntExpressionGrammar"]; }
85    }
86    public IValueParameter<IntValue> MaxExpressionLengthParameter {
87      get { return (IValueParameter<IntValue>)Parameters["MaximumExpressionLength"]; }
88    }
89    public IValueParameter<BoolMatrix> WorldParameter {
90      get { return (IValueParameter<BoolMatrix>)Parameters["World"]; }
91    }
92    public IValueParameter<IntValue> MaxTimeStepsParameter {
93      get { return (IValueParameter<IntValue>)Parameters["MaximumTimeSteps"]; }
94    }
95    public IValueParameter<IntMatrix> BoundsParameter {
96      get { return (IValueParameter<IntMatrix>)Parameters["Bounds"]; }
97    }
98    public IValueParameter<IGenotypeToPhenotypeMapper> GenotypeToPhenotypeMapperParameter {
99      get { return (IValueParameter<IGenotypeToPhenotypeMapper>)Parameters["GenotypeToPhenotypeMapper"]; }
100    }
101    #endregion
102
103    #region Properties
104    public BoolMatrix World {
105      get { return WorldParameter.Value; }
106      set { WorldParameter.Value = value; }
107    }
108    public IntValue MaxTimeSteps {
109      get { return MaxTimeStepsParameter.Value; }
110      set { MaxTimeStepsParameter.Value = value; }
111    }
112    public IntValue MaxExpressionLength {
113      get { return MaxExpressionLengthParameter.Value; }
114      set { MaxExpressionLengthParameter.Value = value; }
115    }
116    public ArtificialAntExpressionGrammar ArtificialAntExpressionGrammar {
117      get { return (ArtificialAntExpressionGrammar)ArtificialAntExpressionGrammarParameter.Value; }
118    }
119    public IEnumerable<IAntTrailAnalyzer> AntTrailAnalyzers {
120      get { return Operators.OfType<IAntTrailAnalyzer>(); }
121    }
122    public IntMatrix Bounds {
123      get { return BoundsParameter.Value; }
124      set { BoundsParameter.Value = value; }
125    }
126    #endregion
127
128    // BackwardsCompatibility3.3
129    #region Backwards compatible code, remove with 3.4
130    [Obsolete]
131    [Storable(Name = "operators")]
132    private IEnumerable<IOperator> oldOperators {
133      get { return null; }
134      set {
135        if (value != null && value.Any())
136          Operators.AddRange(value);
137      }
138    }
139    #endregion
140
141    [StorableConstructor]
142    private GEArtificialAntProblem(bool deserializing) : base(deserializing) { }
143    [StorableHook(HookType.AfterDeserialization)]
144    private void AfterDeserialization() {
145      RegisterEventHandlers();
146    }
147
148    private GEArtificialAntProblem(GEArtificialAntProblem original, Cloner cloner)
149      : base(original, cloner) {
150      RegisterEventHandlers();
151    }
152
153    public override IDeepCloneable Clone(Cloner cloner) {
154      return new GEArtificialAntProblem(this, cloner);
155    }
156
157    public GEArtificialAntProblem()
158      : base(new GEArtificialAntEvaluator(), new UniformRandomIntegerVectorCreator()) {
159      BoolMatrix world = new BoolMatrix(santaFeAntTrail);
160      Parameters.Add(new ValueParameter<IntValue>("MaximumExpressionLength", "Maximal length of the expression to control the artificial ant.", new IntValue(30)));
161      Parameters.Add(new ValueParameter<ISymbolicExpressionGrammar>("ArtificialAntExpressionGrammar", "The grammar that should be used for artificial ant expressions.", new ArtificialAntExpressionGrammar()));
162      Parameters.Add(new ValueParameter<BoolMatrix>("World", "The world for the artificial ant with scattered food items.", world));
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)));
164      IntMatrix m = new IntMatrix(new int[,] { { 0, 100 } });
165      Parameters.Add(new ValueParameter<IntMatrix>("Bounds", "The integer number range in which the single genomes of a genotype are created.", m));
166      Parameters.Add(new ValueParameter<IGenotypeToPhenotypeMapper>("GenotypeToPhenotypeMapper", "Maps the genotype (an integer vector) to the phenotype (a symbolic expression tree).", new DepthFirstMapper()));
167
168      Maximization.Value = true;
169      MaximizationParameter.Hidden = true;
170      BestKnownQuality = new DoubleValue(89);
171
172      SolutionCreator.IntegerVectorParameter.ActualName = "AntTrailSolutionIntegerVector";
173      Evaluator.SymbolicExpressionTreeParameter.ActualName = "AntTrailSolutionTree";
174      Evaluator.SymbolicExpressionTreeGrammarParameter.ActualName = "ArtificialAntExpressionGrammar";
175      Evaluator.QualityParameter.ActualName = "FoodEaten";
176
177      InitializeOperators();
178      RegisterEventHandlers();
179    }
180
181    #region Events
182    protected override void OnSolutionCreatorChanged() {
183      base.OnSolutionCreatorChanged();
184
185      SolutionCreator.IntegerVectorParameter.ActualName = "AntTrailSolutionIntegerVector";
186      SolutionCreator.IntegerVectorParameter.ActualNameChanged += new EventHandler(SolutionCreator_IntegerVectorParameter_ActualNameChanged);
187
188      ParameterizeAnalyzers();
189      ParameterizeOperators();
190    }
191
192    protected override void OnEvaluatorChanged() {
193      base.OnEvaluatorChanged();
194
195      Evaluator.SymbolicExpressionTreeParameter.ActualName = "AntTrailSolutionTree";
196      Evaluator.SymbolicExpressionTreeGrammarParameter.ActualName = "ArtificialAntExpressionGrammar";
197      Evaluator.QualityParameter.ActualName = "FoodEaten";
198
199      Evaluator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(Evaluator_SymbolicExpressionTreeParameter_ActualNameChanged);
200      Evaluator.SymbolicExpressionTreeGrammarParameter.ActualNameChanged += new EventHandler(Evaluator_SymbolicExpressionTreeGrammarParameter_ActualNameChanged);
201      Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
202
203      ParameterizeAnalyzers();
204      ParameterizeOperators();
205    }
206
207    private void SolutionCreator_IntegerVectorParameter_ActualNameChanged(object sender, EventArgs e) {
208      ParameterizeAnalyzers();
209      ParameterizeOperators();
210    }
211
212    private void Evaluator_SymbolicExpressionTreeParameter_ActualNameChanged(object sender, EventArgs e) {
213      ParameterizeAnalyzers();
214      ParameterizeOperators();
215    }
216
217    private void Evaluator_SymbolicExpressionTreeGrammarParameter_ActualNameChanged(object sender, EventArgs e) {
218      ParameterizeAnalyzers();
219      ParameterizeOperators();
220    }
221
222    private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
223      ParameterizeAnalyzers();
224      ParameterizeOperators();
225    }
226    #endregion
227
228    #region Helpers
229    private void RegisterEventHandlers() {
230      SolutionCreator.IntegerVectorParameter.ActualNameChanged += new EventHandler(SolutionCreator_IntegerVectorParameter_ActualNameChanged);
231      Evaluator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(Evaluator_SymbolicExpressionTreeParameter_ActualNameChanged);
232      Evaluator.SymbolicExpressionTreeGrammarParameter.ActualNameChanged += new EventHandler(Evaluator_SymbolicExpressionTreeGrammarParameter_ActualNameChanged);
233      Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
234    }
235
236    private void InitializeOperators() {
237      Operators.AddRange(ApplicationManager.Manager.GetInstances<IIntegerVectorOperator>().OfType<IOperator>());
238      Operators.Add(new BestAntTrailAnalyzer());
239      Operators.Add(new MinAverageMaxSymbolicExpressionTreeLengthAnalyzer());
240      Operators.Add(new SymbolicExpressionSymbolFrequencyAnalyzer());
241      ParameterizeAnalyzers();
242      ParameterizeOperators();
243    }
244
245    private void ParameterizeAnalyzers() {
246      foreach (IAntTrailAnalyzer analyzer in AntTrailAnalyzers) {
247        analyzer.QualityParameter.ActualName = Evaluator.QualityParameter.ActualName;
248        analyzer.SymbolicExpressionTreeParameter.ActualName = Evaluator.SymbolicExpressionTreeParameter.ActualName;
249        analyzer.WorldParameter.ActualName = WorldParameter.Name;
250        analyzer.MaxTimeStepsParameter.ActualName = MaxTimeStepsParameter.Name;
251      }
252      foreach (ISymbolicExpressionTreeAnalyzer analyzer in Operators.OfType<ISymbolicExpressionTreeAnalyzer>()) {
253        analyzer.SymbolicExpressionTreeParameter.ActualName = Evaluator.SymbolicExpressionTreeParameter.ActualName;
254      }
255    }
256
257    private void ParameterizeOperators() {
258      var operators = Parameters.OfType<IValueParameter>().Select(p => p.Value).OfType<IOperator>().Union(Operators);
259
260      foreach (ISymbolicExpressionTreeGrammarBasedOperator op in operators.OfType<ISymbolicExpressionTreeGrammarBasedOperator>()) {
261        op.SymbolicExpressionTreeGrammarParameter.ActualName = ArtificialAntExpressionGrammarParameter.Name;
262      }
263      foreach (GEArtificialAntEvaluator op in operators.OfType<GEArtificialAntEvaluator>()) {
264        op.IntegerVectorParameter.ActualName = SolutionCreator.IntegerVectorParameter.ActualName;
265        op.MaxTimeStepsParameter.ActualName = MaxTimeStepsParameter.Name;
266        op.WorldParameter.ActualName = WorldParameter.Name;
267      }
268      foreach (IIntegerVectorCrossover op in operators.OfType<IIntegerVectorCrossover>()) {
269        op.ParentsParameter.ActualName = SolutionCreator.IntegerVectorParameter.ActualName;
270        op.ChildParameter.ActualName = SolutionCreator.IntegerVectorParameter.ActualName;
271      }
272      foreach (IIntegerVectorManipulator op in operators.OfType<IIntegerVectorManipulator>()) {
273        op.IntegerVectorParameter.ActualName = SolutionCreator.IntegerVectorParameter.ActualName;
274      }
275      foreach (IIntegerVectorCreator op in operators.OfType<IIntegerVectorCreator>()) {
276        op.BoundsParameter.ActualName = BoundsParameter.Name;
277        op.LengthParameter.ActualName = MaxExpressionLengthParameter.Name;
278      }
279    }
280    #endregion
281  }
282}
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