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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22 | using HeuristicLab.Common;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Data;
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25 | using HeuristicLab.Parameters;
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26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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27 |
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28 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
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29 | [Item("PotvinPDShiftMoveEvaluator", "Evaluates a shift move for a PDP representation. ")]
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30 | [StorableClass]
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31 | public sealed class PotvinPDShiftMoveEvaluator : PotvinMoveEvaluator, IPotvinPDShiftMoveOperator {
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32 | public ILookupParameter<PotvinPDShiftMove> PDShiftMoveParameter {
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33 | get { return (ILookupParameter<PotvinPDShiftMove>)Parameters["PotvinPDShiftMove"]; }
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34 | }
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35 |
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36 | public override ILookupParameter VRPMoveParameter {
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37 | get { return PDShiftMoveParameter; }
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38 | }
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39 |
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40 | public ILookupParameter<VariableCollection> MemoriesParameter {
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41 | get { return (ILookupParameter<VariableCollection>)Parameters["Memories"]; }
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42 | }
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43 |
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44 | public IValueParameter<StringValue> AdditionFrequencyMemoryKeyParameter {
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45 | get { return (IValueParameter<StringValue>)Parameters["AdditionFrequencyMemoryKey"]; }
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46 | }
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47 |
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48 | public IValueParameter<DoubleValue> LambdaParameter {
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49 | get { return (IValueParameter<DoubleValue>)Parameters["Lambda"]; }
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50 | }
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51 |
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52 | [StorableConstructor]
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53 | private PotvinPDShiftMoveEvaluator(bool deserializing) : base(deserializing) { }
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54 |
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55 | public PotvinPDShiftMoveEvaluator()
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56 | : base() {
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57 | Parameters.Add(new LookupParameter<PotvinPDShiftMove>("PotvinPDShiftMove", "The move that should be evaluated."));
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58 |
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59 | Parameters.Add(new LookupParameter<VariableCollection>("Memories", "The TS memory collection."));
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60 | Parameters.Add(new ValueParameter<StringValue>("AdditionFrequencyMemoryKey", "The key that is used for the addition frequency in the TS memory.", new StringValue("AdditionFrequency")));
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61 | Parameters.Add(new ValueParameter<DoubleValue>("Lambda", "The lambda parameter.", new DoubleValue(0.015)));
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62 | }
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63 |
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64 | public override IDeepCloneable Clone(Cloner cloner) {
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65 | return new PotvinPDShiftMoveEvaluator(this, cloner);
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66 | }
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67 |
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68 | private PotvinPDShiftMoveEvaluator(PotvinPDShiftMoveEvaluator original, Cloner cloner)
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69 | : base(original, cloner) {
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70 | }
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71 |
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72 | protected override void EvaluateMove() {
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73 | PotvinPDShiftMove move = PDShiftMoveParameter.ActualValue;
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74 |
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75 | PotvinEncoding newSolution = PDShiftMoveParameter.ActualValue.Individual.Clone() as PotvinEncoding;
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76 | PotvinPDShiftMoveMaker.Apply(newSolution, move, ProblemInstance);
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77 |
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78 | UpdateEvaluation(newSolution);
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79 | }
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80 | }
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81 | }
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