[11484] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2014 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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[11575] | 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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| 28 | using HeuristicLab.Encodings.PermutationEncoding;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[11575] | 30 | using HeuristicLab.PluginInfrastructure;
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[11484] | 31 |
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| 32 | namespace HeuristicLab.Problems.Programmable {
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| 33 | [Item("PermutationEncoding", "Describes a permutation encoding.")]
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| 34 | [StorableClass]
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[11575] | 35 | public sealed class PermutationEncoding : Encoding<IPermutationCreator> {
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| 36 | #region encoding parameters
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[11484] | 37 | [Storable]
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[11575] | 38 | private IFixedValueParameter<IntValue> lengthParameter;
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| 39 | public IFixedValueParameter<IntValue> LengthParameter {
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| 40 | get { return lengthParameter; }
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[11484] | 41 | set {
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[11575] | 42 | if (value == null) throw new ArgumentNullException("Length parameter must not be null.");
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| 43 | if (lengthParameter == value) return;
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| 44 | lengthParameter = value;
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| 45 | OnLengthParameterChanged();
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[11484] | 46 | }
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| 47 | }
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| 48 |
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| 49 | [Storable]
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[11575] | 50 | private IFixedValueParameter<PermutationType> permutationTypeParameter;
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| 51 | public IFixedValueParameter<PermutationType> PermutationTypeParameter {
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| 52 | get { return permutationTypeParameter; }
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[11484] | 53 | set {
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[11575] | 54 | if (value == null) throw new ArgumentNullException("Permutation type parameter must not be null.");
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| 55 | if (permutationTypeParameter == value) return;
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| 56 | permutationTypeParameter = value;
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| 57 | OnPermutationTypeParameterChanged();
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[11484] | 58 | }
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| 59 | }
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| 60 |
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[11575] | 61 | public override IEnumerable<IValueParameter> Parameters {
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[11587] | 62 | get { return new IValueParameter[] { LengthParameter, PermutationTypeParameter }; }
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[11575] | 63 | }
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| 64 | #endregion
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| 65 |
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| 66 | public int Length {
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| 67 | get { return LengthParameter.Value.Value; }
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| 68 | set { LengthParameter.Value.Value = value; }
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| 69 | }
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| 70 |
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| 71 | public PermutationTypes Type {
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| 72 | get { return PermutationTypeParameter.Value.Value; }
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| 73 | set { PermutationTypeParameter.Value.Value = value; }
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| 74 | }
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| 75 |
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[11484] | 76 | [StorableConstructor]
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[11575] | 77 | private PermutationEncoding(bool deserializing) : base(deserializing) { }
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| 78 | [StorableHook(HookType.AfterDeserialization)]
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| 79 | private void AfterDeserialization() {
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| 80 | RegisterParameterEvents();
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| 81 | DiscoverOperators();
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| 82 | }
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| 83 |
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| 84 | public override IDeepCloneable Clone(Cloner cloner) { return new PermutationEncoding(this, cloner); }
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| 85 | private PermutationEncoding(PermutationEncoding original, Cloner cloner)
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[11484] | 86 | : base(original, cloner) {
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[11575] | 87 | lengthParameter = cloner.Clone(original.lengthParameter);
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| 88 | permutationTypeParameter = cloner.Clone(original.permutationTypeParameter);
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| 89 | RegisterParameterEvents();
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[11484] | 90 | }
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[11587] | 91 |
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[11484] | 92 | public PermutationEncoding(string name, int length, PermutationTypes type)
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| 93 | : base(name) {
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[11575] | 94 | Length = length;
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| 95 | Type = type;
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[11587] | 96 |
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| 97 | SolutionCreator = new RandomPermutationCreator();
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[11575] | 98 | RegisterParameterEvents();
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| 99 | DiscoverOperators();
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[11484] | 100 | }
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| 101 |
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[11575] | 102 | private void OnLengthParameterChanged() {
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| 103 | RegisterParameterEvents();
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| 104 | ConfigureOperators(Operators);
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[11484] | 105 | }
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| 106 |
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[11575] | 107 | private void OnPermutationTypeParameterChanged() {
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| 108 | RegisterParameterEvents();
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| 109 | ConfigureOperators(Operators);
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| 110 | }
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| 111 |
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| 112 | private void RegisterParameterEvents() {
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| 113 | RegisterLengthParameterEvents();
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| 114 | RegisterPermutationTypeParameterEvents();
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| 115 | }
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| 116 | private void RegisterLengthParameterEvents() {
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| 117 | LengthParameter.Value.ValueChanged += (o, s) => ConfigureOperators(Operators);
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| 118 | }
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| 119 | private void RegisterPermutationTypeParameterEvents() {
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| 120 | PermutationTypeParameter.Value.ValueChanged += (o, s) => ConfigureOperators(Operators);
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| 121 | }
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| 122 |
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| 123 | #region Operator Discovery
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| 124 | private static readonly IEnumerable<Type> encodingSpecificOperatorTypes;
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| 125 | static PermutationEncoding() {
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| 126 | encodingSpecificOperatorTypes = new List<Type>() {
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| 127 | typeof (IPermutationOperator),
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| 128 | typeof (IPermutationCreator),
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| 129 | typeof (IPermutationCrossover),
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| 130 | typeof (IPermutationManipulator),
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| 131 | typeof (IPermutationMultiNeighborhoodShakingOperator),
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| 132 | typeof (IPermutationMoveOperator),
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| 133 | typeof (IPermutationInversionMoveOperator),
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| 134 | typeof (IPermutationScrambleMoveOperator),
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| 135 | typeof (IPermutationSwap2MoveOperator),
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| 136 | typeof (IPermutationTranslocationMoveOperator)
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| 137 | };
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| 138 | }
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| 139 | private void DiscoverOperators() {
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| 140 | var discoveredTypes = ApplicationManager.Manager.GetTypes(encodingSpecificOperatorTypes, true, false, false);
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| 141 | var operators = discoveredTypes.Select(t => (IOperator)Activator.CreateInstance(t));
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[11587] | 142 | var newOperators = operators.Except(Operators, new TypeEqualityComparer<IOperator>()).ToList();
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[11575] | 143 |
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| 144 | ConfigureOperators(newOperators);
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[11587] | 145 | foreach (var @operator in newOperators)
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| 146 | encodingOperators.Add(@operator);
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[11575] | 147 | }
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| 148 | #endregion
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| 149 |
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| 150 | public override void ConfigureOperators(IEnumerable<IOperator> operators) {
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| 151 | ConfigureCreators(Operators.OfType<IPermutationCreator>());
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| 152 | ConfigureCrossovers(Operators.OfType<IPermutationCrossover>());
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| 153 | ConfigureManipulators(Operators.OfType<IPermutationManipulator>());
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| 154 | ConfigureShakingOperators(Operators.OfType<IPermutationMultiNeighborhoodShakingOperator>());
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| 155 | ConfigureMoveOperators(Operators.OfType<IPermutationMoveOperator>());
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| 156 | ConfigureInversionMoveOperators(Operators.OfType<IPermutationInversionMoveOperator>());
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| 157 | ConfigureScrambleMoveOperators(Operators.OfType<IPermutationScrambleMoveOperator>());
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| 158 | ConfigureSwap2MoveOperators(Operators.OfType<IPermutationSwap2MoveOperator>());
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| 159 | ConfigureTranslocationMoveOperators(Operators.OfType<IPermutationTranslocationMoveOperator>());
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| 160 | }
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| 161 |
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| 162 | #region specific operator wiring
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| 163 | private void ConfigureCreators(IEnumerable<IPermutationCreator> creators) {
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| 164 | foreach (var creator in creators) {
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| 165 | creator.LengthParameter.ActualName = LengthParameter.Name;
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| 166 | creator.PermutationParameter.ActualName = Name;
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| 167 | creator.PermutationTypeParameter.Value.Value = Type;
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| 168 | }
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| 169 | }
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| 170 | private void ConfigureCrossovers(IEnumerable<IPermutationCrossover> crossovers) {
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| 171 | foreach (var crossover in crossovers) {
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| 172 | crossover.ChildParameter.ActualName = Name;
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| 173 | crossover.ParentsParameter.ActualName = Name;
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| 174 | }
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| 175 | }
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| 176 | private void ConfigureManipulators(IEnumerable<IPermutationManipulator> manipulators) {
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| 177 | foreach (var manipulator in manipulators) {
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| 178 | manipulator.PermutationParameter.ActualName = Name;
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| 179 | }
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| 180 | }
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| 181 | private void ConfigureShakingOperators(IEnumerable<IPermutationMultiNeighborhoodShakingOperator> shakingOperators) {
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| 182 | foreach (var shakingOperator in shakingOperators) {
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| 183 | shakingOperator.PermutationParameter.ActualName = Name;
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| 184 | }
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| 185 | }
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| 186 | private void ConfigureMoveOperators(IEnumerable<IPermutationMoveOperator> moveOperators) {
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| 187 | foreach (var moveOperator in moveOperators) {
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| 188 | moveOperator.PermutationParameter.ActualName = Name;
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| 189 | }
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| 190 | }
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| 191 | private void ConfigureInversionMoveOperators(IEnumerable<IPermutationInversionMoveOperator> inversionMoveOperators) {
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| 192 | foreach (var inversionMoveOperator in inversionMoveOperators) {
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| 193 | inversionMoveOperator.InversionMoveParameter.ActualName = Name + "_InversionMove";
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| 194 | }
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| 195 | }
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| 196 | private void ConfigureScrambleMoveOperators(IEnumerable<IPermutationScrambleMoveOperator> scrambleMoveOperators) {
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| 197 | foreach (var scrambleMoveOperator in scrambleMoveOperators) {
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| 198 | scrambleMoveOperator.ScrambleMoveParameter.ActualName = Name + "_ScambleMove";
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| 199 | }
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| 200 | }
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| 201 | private void ConfigureSwap2MoveOperators(IEnumerable<IPermutationSwap2MoveOperator> swap2MoveOperators) {
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| 202 | foreach (var swap2MoveOperator in swap2MoveOperators) {
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| 203 | swap2MoveOperator.Swap2MoveParameter.ActualName = Name + "_Swap2Move";
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| 204 | }
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| 205 | }
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| 206 | private void ConfigureTranslocationMoveOperators(IEnumerable<IPermutationTranslocationMoveOperator> translocationMoveOperators) {
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| 207 | foreach (var translocationMoveOperator in translocationMoveOperators) {
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| 208 | translocationMoveOperator.TranslocationMoveParameter.ActualName = Name + "_TranslocationMove";
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| 209 | }
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| 210 | }
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| 211 |
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| 212 | #endregion
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[11484] | 213 | }
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| 214 | }
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