[4369] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12009] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[4369] | 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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[8053] | 22 | using HeuristicLab.Common;
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[4369] | 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Data;
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| 25 | using HeuristicLab.Encodings.PermutationEncoding;
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| 26 | using HeuristicLab.Optimization;
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| 27 | using HeuristicLab.Parameters;
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| 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 29 | using HeuristicLab.Problems.VehicleRouting.Interfaces;
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| 30 |
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| 31 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
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| 32 | [Item("AlbaTranslocationMoveGenerator", "An operator which generates translocation moves for a VRP representation. It is implemented as described in Alba, E. and Dorronsoro, B. (2004). Solving the Vehicle Routing Problem by Using Cellular Genetic Algorithms.")]
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| 33 | [StorableClass]
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| 34 | public sealed class AlbaTranslocationMoveGenerator : AlbaMoveGenerator, IAlbaTranslocationMoveOperator, IMultiMoveGenerator {
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| 35 | public IValueLookupParameter<TranslocationMoveGenerator> TranslocationMoveGeneratorParameter {
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| 36 | get { return (IValueLookupParameter<TranslocationMoveGenerator>)Parameters["TranslocationMoveGenerator"]; }
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| 37 | }
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| 38 |
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| 39 | private IPermutationMoveOperator PermutationMoveOperatorParameter {
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| 40 | get { return TranslocationMoveGeneratorParameter.Value; }
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| 41 | set {
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| 42 | TranslocationMoveGeneratorParameter.Value = value as TranslocationMoveGenerator;
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| 43 | if (TranslocationMoveGeneratorParameter.Value is IMultiMoveGenerator) {
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| 44 | ((IMultiMoveGenerator)TranslocationMoveGeneratorParameter.Value).SampleSizeParameter.ActualName = SampleSizeParameter.Name;
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| 45 | }
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| 46 | }
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| 47 | }
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| 48 |
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| 49 | public ILookupParameter<TranslocationMove> TranslocationMoveParameter {
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| 50 | get {
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| 51 | if (TranslocationMoveGeneratorParameter.Value != null)
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| 52 | return TranslocationMoveGeneratorParameter.Value.TranslocationMoveParameter;
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| 53 | else
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| 54 | return null;
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| 55 | }
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| 56 | }
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| 57 |
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[4370] | 58 | public override ILookupParameter VRPMoveParameter {
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| 59 | get { return TranslocationMoveParameter; }
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| 60 | }
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| 61 |
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[4369] | 62 | public ILookupParameter<Permutation> PermutationParameter {
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| 63 | get {
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| 64 | if (TranslocationMoveGeneratorParameter.Value != null)
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| 65 | return TranslocationMoveGeneratorParameter.Value.PermutationParameter;
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| 66 | else
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| 67 | return null;
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | public IValueLookupParameter<IntValue> SampleSizeParameter {
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| 72 | get { return (IValueLookupParameter<IntValue>)Parameters["SampleSize"]; }
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| 73 | }
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| 74 |
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| 75 | [StorableConstructor]
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| 76 | private AlbaTranslocationMoveGenerator(bool deserializing) : base(deserializing) { }
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| 77 |
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| 78 | public AlbaTranslocationMoveGenerator()
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| 79 | : base() {
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| 80 | Parameters.Add(new ValueLookupParameter<TranslocationMoveGenerator>("TranslocationMoveGenerator", "The move generator.",
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| 81 | new StochasticTranslocationMultiMoveGenerator()));
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| 82 | Parameters.Add(new ValueLookupParameter<IntValue>("SampleSize", "The number of moves to generate."));
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| 83 |
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| 84 | ((IMultiMoveGenerator)TranslocationMoveGeneratorParameter.Value).SampleSizeParameter.ActualName = SampleSizeParameter.Name;
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| 85 | }
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| 86 |
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[4752] | 87 | public override IDeepCloneable Clone(Cloner cloner) {
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| 88 | return new AlbaTranslocationMoveGenerator(this, cloner);
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| 89 | }
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| 90 |
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| 91 | private AlbaTranslocationMoveGenerator(AlbaTranslocationMoveGenerator original, Cloner cloner)
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| 92 | : base(original, cloner) {
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| 93 | }
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| 94 |
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[10507] | 95 | public override IOperation InstrumentedApply() {
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| 96 | IOperation next = base.InstrumentedApply();
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[4369] | 97 |
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| 98 | IVRPEncoding solution = VRPToursParameter.ActualValue;
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| 99 |
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| 100 | PermutationMoveOperatorParameter.PermutationParameter.ActualName = VRPToursParameter.ActualName;
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| 101 | IAtomicOperation op = this.ExecutionContext.CreateChildOperation(PermutationMoveOperatorParameter);
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[5867] | 102 | op.Operator.Execute((IExecutionContext)op, CancellationToken);
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[4369] | 103 |
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| 104 | return next;
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| 105 | }
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| 106 | }
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| 107 | }
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