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source: branches/2521_ProblemRefactoring/HeuristicLab.Encodings.BinaryVectorEncoding/3.3/BinaryVectorMultiObjectiveProblem.cs @ 17612

Last change on this file since 17612 was 17612, checked in by mkommend, 4 years ago

#2521: Added first version of problem results.

File size: 4.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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.Linq;
23using HEAL.Attic;
24using HeuristicLab.Analysis;
25using HeuristicLab.Common;
26using HeuristicLab.Core;
27using HeuristicLab.Data;
28using HeuristicLab.Optimization;
29using HeuristicLab.Parameters;
30
31namespace HeuristicLab.Encodings.BinaryVectorEncoding {
32  [StorableType("b64caac0-a23a-401a-bb7e-ffa3e22b80ea")]
33  public abstract class BinaryVectorMultiObjectiveProblem : MultiObjectiveProblem<BinaryVectorEncoding, BinaryVector> {
34    [Storable] protected IResultParameter<ParetoFrontScatterPlot<BinaryVector>> BestResultParameter { get; private set; }
35    [Storable] protected ReferenceParameter<IntValue> DimensionRefParameter { get; private set; }
36
37    public int Dimension {
38      get { return DimensionRefParameter.Value.Value; }
39      protected set { DimensionRefParameter.Value.Value = value; }
40    }
41
42    [StorableConstructor]
43    protected BinaryVectorMultiObjectiveProblem(StorableConstructorFlag _) : base(_) { }
44    [StorableHook(HookType.AfterDeserialization)]
45    private void AfterDeserialization() {
46      RegisterEventHandlers();
47    }
48
49    protected BinaryVectorMultiObjectiveProblem(BinaryVectorMultiObjectiveProblem original, Cloner cloner)
50      : base(original, cloner) {
51      BestResultParameter = cloner.Clone(original.BestResultParameter);
52      DimensionRefParameter = cloner.Clone(original.DimensionRefParameter);
53      RegisterEventHandlers();
54    }
55
56    protected BinaryVectorMultiObjectiveProblem() : this(new BinaryVectorEncoding() { Length = 10 }) { }
57    protected BinaryVectorMultiObjectiveProblem(BinaryVectorEncoding encoding) : base(encoding) {
58      EncodingParameter.ReadOnly = true;
59      Parameters.Add(BestResultParameter = new ResultParameter<ParetoFrontScatterPlot<BinaryVector>>("Best Pareto Front", "The best Pareto front found."));
60      Parameters.Add(DimensionRefParameter = new ReferenceParameter<IntValue>("Dimension", "The dimension of the binary vector problem.", Encoding.LengthParameter));
61
62      Operators.Add(new HammingSimilarityCalculator());
63      Operators.Add(new PopulationSimilarityAnalyzer(Operators.OfType<ISolutionSimilarityCalculator>()));
64
65      Parameterize();
66      RegisterEventHandlers();
67    }
68
69    public override void Analyze(BinaryVector[] individuals, double[][] qualities, ResultCollection results, IRandom random) {
70      base.Analyze(individuals, qualities, results, random);
71
72      var fronts = DominationCalculator.CalculateAllParetoFrontsIndices(individuals, qualities, Maximization);
73      var plot = new ParetoFrontScatterPlot<BinaryVector>(fronts, individuals, qualities, Objectives, BestKnownFront);
74
75      BestResultParameter.ActualValue = plot;
76    }
77
78    protected override void OnEncodingChanged() {
79      base.OnEncodingChanged();
80      Parameterize();
81    }
82
83    private void Parameterize() {
84      foreach (var similarityCalculator in Operators.OfType<ISolutionSimilarityCalculator>()) {
85        similarityCalculator.SolutionVariableName = Encoding.Name;
86        similarityCalculator.QualityVariableName = Evaluator.QualitiesParameter.ActualName;
87      }
88    }
89
90    private void RegisterEventHandlers() {
91      IntValueParameterChangeHandler.Create(DimensionRefParameter, DimensionOnChanged);
92    }
93
94    protected virtual void DimensionOnChanged() { }
95  }
96}
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