[11484] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16956] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[11484] | 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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[11553] | 22 | using System;
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| 23 | using System.Collections.Generic;
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| 24 | using System.Linq;
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[11484] | 25 | using HeuristicLab.Common;
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| 26 | using HeuristicLab.Core;
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| 27 | using HeuristicLab.Data;
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[11949] | 28 | using HeuristicLab.Optimization;
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[11553] | 29 | using HeuristicLab.Parameters;
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[16956] | 30 | using HEAL.Attic;
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[11553] | 31 | using HeuristicLab.PluginInfrastructure;
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[11484] | 32 |
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[11949] | 33 | namespace HeuristicLab.Encodings.BinaryVectorEncoding {
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[11885] | 34 | [Item("BinaryVectorEncoding", "Describes a binary vector encoding.")]
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[16956] | 35 | [StorableType("889C5E1A-3FBF-4AB3-AB2E-199A781503B5")]
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[11885] | 36 | public sealed class BinaryVectorEncoding : Encoding<IBinaryVectorCreator> {
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[11553] | 37 | #region Encoding Parameters
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[11598] | 38 | [Storable]
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[11553] | 39 | private IFixedValueParameter<IntValue> lengthParameter;
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| 40 | public IFixedValueParameter<IntValue> LengthParameter {
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| 41 | get { return lengthParameter; }
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[11484] | 42 | set {
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[11553] | 43 | if (value == null) throw new ArgumentNullException("Length parameter must not be null.");
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[11588] | 44 | if (value.Value == null) throw new ArgumentNullException("Length parameter value must not be null.");
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[11553] | 45 | if (lengthParameter == value) return;
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[11588] | 46 |
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| 47 | if (lengthParameter != null) Parameters.Remove(lengthParameter);
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[11553] | 48 | lengthParameter = value;
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[11588] | 49 | Parameters.Add(lengthParameter);
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[11553] | 50 | OnLengthParameterChanged();
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[11484] | 51 | }
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| 52 | }
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[11553] | 53 | #endregion
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[11484] | 54 |
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[11949] | 55 |
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[11553] | 56 | public int Length {
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| 57 | get { return LengthParameter.Value.Value; }
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| 58 | set { LengthParameter.Value.Value = value; }
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| 59 | }
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| 60 |
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[11484] | 61 | [StorableConstructor]
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[16956] | 62 | private BinaryVectorEncoding(StorableConstructorFlag _) : base(_) { }
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[11553] | 63 | [StorableHook(HookType.AfterDeserialization)]
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| 64 | private void AfterDeserialization() {
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| 65 | RegisterParameterEvents();
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| 66 | DiscoverOperators();
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| 67 | }
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[11885] | 68 | public override IDeepCloneable Clone(Cloner cloner) { return new BinaryVectorEncoding(this, cloner); }
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| 69 | private BinaryVectorEncoding(BinaryVectorEncoding original, Cloner cloner)
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[11484] | 70 | : base(original, cloner) {
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[11553] | 71 | lengthParameter = cloner.Clone(original.lengthParameter);
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| 72 | RegisterParameterEvents();
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[11484] | 73 | }
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[11739] | 74 |
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[11885] | 75 | public BinaryVectorEncoding() : this("BinaryVector", 10) { }
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[11892] | 76 | public BinaryVectorEncoding(string name) : this(name, 10) { }
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[11885] | 77 | public BinaryVectorEncoding(int length) : this("BinaryVector", length) { }
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| 78 | public BinaryVectorEncoding(string name, int length)
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[11484] | 79 | : base(name) {
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[11593] | 80 | lengthParameter = new FixedValueParameter<IntValue>(Name + ".Length", new IntValue(length));
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| 81 | Parameters.Add(lengthParameter);
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| 82 |
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[11587] | 83 | SolutionCreator = new RandomBinaryVectorCreator();
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[11582] | 84 | RegisterParameterEvents();
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| 85 | DiscoverOperators();
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[11484] | 86 | }
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| 87 |
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[11553] | 88 | private void OnLengthParameterChanged() {
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| 89 | RegisterLengthParameterEvents();
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| 90 | ConfigureOperators(Operators);
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[11484] | 91 | }
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[11553] | 92 | private void RegisterParameterEvents() {
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| 93 | RegisterLengthParameterEvents();
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| 94 | }
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| 95 | private void RegisterLengthParameterEvents() {
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| 96 | LengthParameter.ValueChanged += (o, s) => ConfigureOperators(Operators);
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| 97 | LengthParameter.Value.ValueChanged += (o, s) => ConfigureOperators(Operators);
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| 98 | }
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[11484] | 99 |
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[11553] | 100 | #region Operator Discovery
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| 101 | private static readonly IEnumerable<Type> encodingSpecificOperatorTypes;
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[11885] | 102 | static BinaryVectorEncoding() {
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[11553] | 103 | encodingSpecificOperatorTypes = new List<Type>() {
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| 104 | typeof (IBinaryVectorOperator),
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| 105 | typeof (IBinaryVectorCreator),
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| 106 | typeof (IBinaryVectorCrossover),
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| 107 | typeof (IBinaryVectorManipulator),
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| 108 | typeof (IBinaryVectorMoveOperator),
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| 109 | typeof (IBinaryVectorMultiNeighborhoodShakingOperator),
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| 110 | };
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| 111 | }
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| 112 | private void DiscoverOperators() {
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[11773] | 113 | var assembly = typeof(IBinaryVectorOperator).Assembly;
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| 114 | var discoveredTypes = ApplicationManager.Manager.GetTypes(encodingSpecificOperatorTypes, assembly, true, false, false);
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[11553] | 115 | var operators = discoveredTypes.Select(t => (IOperator)Activator.CreateInstance(t));
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[11587] | 116 | var newOperators = operators.Except(Operators, new TypeEqualityComparer<IOperator>()).ToList();
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[11553] | 117 |
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| 118 | ConfigureOperators(newOperators);
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[11587] | 119 | foreach (var @operator in newOperators)
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[11952] | 120 | AddOperator(@operator);
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[11553] | 121 | }
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| 122 | #endregion
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| 123 |
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[11559] | 124 | public override void ConfigureOperators(IEnumerable<IOperator> operators) {
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[11553] | 125 | ConfigureCreators(operators.OfType<IBinaryVectorCreator>());
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| 126 | ConfigureCrossovers(operators.OfType<IBinaryVectorCrossover>());
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| 127 | ConfigureManipulators(operators.OfType<IBinaryVectorManipulator>());
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| 128 | ConfigureMoveOperators(operators.OfType<IBinaryVectorMoveOperator>());
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[11575] | 129 | ConfigureBitFlipMoveOperators(operators.OfType<IOneBitflipMoveOperator>());
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[11553] | 130 | ConfigureShakingOperators(operators.OfType<IBinaryVectorMultiNeighborhoodShakingOperator>());
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| 131 | }
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| 132 |
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| 133 | #region Specific Operator Wiring
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| 134 | private void ConfigureCreators(IEnumerable<IBinaryVectorCreator> creators) {
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| 135 | foreach (var creator in creators) {
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| 136 | creator.BinaryVectorParameter.ActualName = Name;
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| 137 | creator.LengthParameter.ActualName = LengthParameter.Name;
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| 138 | }
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| 139 | }
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| 140 | private void ConfigureCrossovers(IEnumerable<IBinaryVectorCrossover> crossovers) {
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| 141 | foreach (var crossover in crossovers) {
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| 142 | crossover.ParentsParameter.ActualName = Name;
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| 143 | crossover.ChildParameter.ActualName = Name;
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| 144 | }
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| 145 | }
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| 146 | private void ConfigureManipulators(IEnumerable<IBinaryVectorManipulator> manipulators) {
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| 147 | foreach (var manipulator in manipulators) {
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| 148 | manipulator.BinaryVectorParameter.ActualName = Name;
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| 149 | }
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| 150 | }
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| 151 | private void ConfigureMoveOperators(IEnumerable<IBinaryVectorMoveOperator> moveOperators) {
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| 152 | foreach (var moveOperator in moveOperators) {
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| 153 | moveOperator.BinaryVectorParameter.ActualName = Name;
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| 154 | }
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| 155 | }
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[11575] | 156 | private void ConfigureBitFlipMoveOperators(IEnumerable<IOneBitflipMoveOperator> oneBitflipMoveOperators) {
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| 157 | foreach (var oneBitFlipMoveOperator in oneBitflipMoveOperators) {
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| 158 | oneBitFlipMoveOperator.OneBitflipMoveParameter.ActualName = Name + "_OneBitFlipMove";
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| 159 | }
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| 160 | }
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[11553] | 161 | private void ConfigureShakingOperators(IEnumerable<IBinaryVectorMultiNeighborhoodShakingOperator> shakingOperators) {
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| 162 | foreach (var shakingOperator in shakingOperators) {
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| 163 | shakingOperator.BinaryVectorParameter.ActualName = Name;
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| 164 | }
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| 165 | }
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| 166 | #endregion
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[11484] | 167 | }
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[11949] | 168 |
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| 169 | public static class IndividualExtensionMethods {
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| 170 | public static BinaryVector BinaryVector(this Individual individual) {
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| 171 | var encoding = individual.GetEncoding<BinaryVectorEncoding>();
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| 172 | return individual.BinaryVector(encoding.Name);
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| 173 | }
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| 174 |
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| 175 | public static BinaryVector BinaryVector(this Individual individual, string name) {
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| 176 | return (BinaryVector)individual[name];
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| 177 | }
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| 178 | }
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[11484] | 179 | }
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