[16949] | 1 | #region License Information
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| 2 |
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| 3 | /* HeuristicLab
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| 4 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 5 | *
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| 6 | * This file is part of HeuristicLab.
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| 7 | *
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| 8 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 9 | * it under the terms of the GNU General Public License as published by
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| 10 | * the Free Software Foundation, either version 3 of the License, or
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| 11 | * (at your option) any later version.
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| 12 | *
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| 13 | * HeuristicLab is distributed in the hope that it will be useful,
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | * GNU General Public License for more details.
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| 17 | *
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| 18 | * You should have received a copy of the GNU General Public License
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| 19 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #endregion
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| 23 |
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[17695] | 24 | using System;
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[16949] | 25 | using System.Linq;
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| 26 | using HEAL.Attic;
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| 27 | using HeuristicLab.Analysis;
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| 28 | using HeuristicLab.Common;
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| 29 | using HeuristicLab.Core;
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[17544] | 30 | using HeuristicLab.Data;
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[16949] | 31 | using HeuristicLab.Optimization;
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| 32 | using HeuristicLab.Optimization.Operators;
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[17544] | 33 | using HeuristicLab.Parameters;
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[16949] | 34 |
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| 35 | namespace HeuristicLab.Encodings.RealVectorEncoding {
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| 36 | [StorableType("7860a955-af16-459a-9cd8-51667e06d38e")]
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| 37 | public abstract class RealVectorProblem : SingleObjectiveProblem<RealVectorEncoding, RealVector> {
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[17544] | 38 | [Storable] protected ReferenceParameter<IntValue> DimensionRefParameter { get; private set; }
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| 39 | [Storable] protected ReferenceParameter<DoubleMatrix> BoundsRefParameter { get; private set; }
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| 40 |
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| 41 | public int Dimension {
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| 42 | get { return DimensionRefParameter.Value.Value; }
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| 43 | set { DimensionRefParameter.Value.Value = value; }
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[16949] | 44 | }
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| 45 |
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[17544] | 46 | public DoubleMatrix Bounds {
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| 47 | get { return BoundsRefParameter.Value; }
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[17587] | 48 | set { BoundsRefParameter.Value = value; }
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[17544] | 49 | }
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| 50 |
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[16949] | 51 | [StorableConstructor]
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| 52 | protected RealVectorProblem(StorableConstructorFlag _) : base(_) { }
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| 53 | [StorableHook(HookType.AfterDeserialization)]
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| 54 | private void AfterDeserialization() {
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| 55 | RegisterEventHandlers();
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| 56 | }
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| 57 |
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| 58 | protected RealVectorProblem(RealVectorProblem original, Cloner cloner)
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| 59 | : base(original, cloner) {
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[17544] | 60 | DimensionRefParameter = cloner.Clone(original.DimensionRefParameter);
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| 61 | BoundsRefParameter = cloner.Clone(original.BoundsRefParameter);
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[16949] | 62 | RegisterEventHandlers();
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| 63 | }
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| 64 |
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| 65 | protected RealVectorProblem() : this(new RealVectorEncoding() { Length = 10 }) { }
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| 66 | protected RealVectorProblem(RealVectorEncoding encoding) : base(encoding) {
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| 67 | EncodingParameter.ReadOnly = true;
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[17695] | 68 | EvaluatorParameter.ReadOnly = true;
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[17544] | 69 | Parameters.Add(DimensionRefParameter = new ReferenceParameter<IntValue>("Dimension", "The dimension of the real vector problem.", Encoding.LengthParameter));
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| 70 | Parameters.Add(BoundsRefParameter = new ReferenceParameter<DoubleMatrix>("Bounds", "The bounding box of the values.", Encoding.BoundsParameter));
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[16949] | 71 |
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| 72 | Operators.Add(new HammingSimilarityCalculator());
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[17620] | 73 |
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| 74 | // TODO: These should be added in the SingleObjectiveProblem base class (if they were accessible from there)
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[16949] | 75 | Operators.Add(new QualitySimilarityCalculator());
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| 76 | Operators.Add(new PopulationSimilarityAnalyzer(Operators.OfType<ISolutionSimilarityCalculator>()));
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| 77 |
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| 78 | Parameterize();
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| 79 | RegisterEventHandlers();
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| 80 | }
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| 81 |
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[16950] | 82 | public override void Analyze(RealVector[] vectors, double[] qualities, ResultCollection results, IRandom random) {
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| 83 | base.Analyze(vectors, qualities, results, random);
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| 84 | var best = GetBestSolution(vectors, qualities);
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[16949] | 85 |
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[16950] | 86 | results.AddOrUpdateResult("Best Solution", (IItem)best.Item1.Clone());
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[16949] | 87 | }
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| 88 |
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[17695] | 89 | protected override sealed void OnEvaluatorChanged() {
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| 90 | throw new InvalidOperationException("Evaluator may not change!");
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| 91 | }
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| 92 |
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| 93 | protected override sealed void OnEncodingChanged() {
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| 94 | throw new InvalidOperationException("Encoding may not change!");
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| 95 | }
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| 96 |
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[17620] | 97 | protected override void ParameterizeOperators() {
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| 98 | base.ParameterizeOperators();
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[16949] | 99 | Parameterize();
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| 100 | }
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| 101 |
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| 102 | private void Parameterize() {
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[17620] | 103 | // TODO: this is done in base class as well (but operators are added at this level of the hierarchy)
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[16949] | 104 | foreach (var similarityCalculator in Operators.OfType<ISolutionSimilarityCalculator>()) {
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| 105 | similarityCalculator.SolutionVariableName = Encoding.Name;
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| 106 | similarityCalculator.QualityVariableName = Evaluator.QualityParameter.ActualName;
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| 107 | }
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| 108 | }
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| 109 |
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| 110 | private void RegisterEventHandlers() {
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[17587] | 111 | IntValueParameterChangeHandler.Create(DimensionRefParameter, DimensionOnChanged);
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| 112 | DoubleMatrixParameterChangeHandler.Create(BoundsRefParameter, BoundsOnChanged);
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[16949] | 113 | }
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| 114 |
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[17544] | 115 | protected virtual void DimensionOnChanged() { }
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| 116 |
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| 117 | protected virtual void BoundsOnChanged() { }
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[16949] | 118 | }
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| 119 | }
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