| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2018 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.Optimization.Operators;
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| 26 | using HeuristicLab.Parameters;
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| 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 28 | using HeuristicLab.Problems.VehicleRouting.Interfaces;
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| 29 |
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| 30 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
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| 31 | [Item("PotvinPDShiftMoveTabuMaker", "Declares a given shift move as tabu.")]
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| 32 | [StorableClass]
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| 33 | public class PotvinPDShiftMoveTabuMaker : TabuMaker, IPotvinPDShiftMoveOperator, IPotvinOperator, IVRPMoveOperator {
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| 34 | public ILookupParameter<PotvinPDShiftMove> PDShiftMoveParameter {
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| 35 | get { return (ILookupParameter<PotvinPDShiftMove>)Parameters["PotvinPDShiftMove"]; }
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| 36 | }
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| 37 | public ILookupParameter VRPMoveParameter {
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| 38 | get { return PDShiftMoveParameter; }
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| 39 | }
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| 40 | public ILookupParameter<IVRPEncoding> VRPToursParameter {
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| 41 | get { return (ILookupParameter<IVRPEncoding>)Parameters["VRPTours"]; }
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| 42 | }
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| 43 | public ILookupParameter<IVRPProblemInstance> ProblemInstanceParameter {
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| 44 | get { return (LookupParameter<IVRPProblemInstance>)Parameters["ProblemInstance"]; }
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| 45 | }
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| 46 |
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| 47 | public ILookupParameter<DoubleValue> DistanceParameter {
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| 48 | get { return (ILookupParameter<DoubleValue>)Parameters["Distance"]; }
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| 49 | }
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| 50 | public ILookupParameter<DoubleValue> OverloadParameter {
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| 51 | get { return (ILookupParameter<DoubleValue>)Parameters["Overload"]; }
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| 52 | }
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| 53 | public ILookupParameter<DoubleValue> TardinessParameter {
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| 54 | get { return (ILookupParameter<DoubleValue>)Parameters["Tardiness"]; }
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| 55 | }
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| 56 | public ILookupParameter<IntValue> PickupViolationsParameter {
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| 57 | get { return (ILookupParameter<IntValue>)Parameters["PickupViolations"]; }
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| 58 | }
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| 59 |
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| 60 | [StorableConstructor]
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| 61 | protected PotvinPDShiftMoveTabuMaker(bool deserializing) : base(deserializing) { }
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| 62 | protected PotvinPDShiftMoveTabuMaker(PotvinPDShiftMoveTabuMaker original, Cloner cloner) : base(original, cloner) { }
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| 63 | public PotvinPDShiftMoveTabuMaker()
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| 64 | : base() {
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| 65 | Parameters.Add(new LookupParameter<PotvinPDShiftMove>("PotvinPDShiftMove", "The moves that should be made."));
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| 66 | Parameters.Add(new LookupParameter<IVRPEncoding>("VRPTours", "The VRP tours considered in the move."));
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| 67 | Parameters.Add(new LookupParameter<IVRPProblemInstance>("ProblemInstance", "The VRP problem instance"));
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| 68 |
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| 69 | Parameters.Add(new LookupParameter<DoubleValue>("Distance", "The distance of the individual"));
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| 70 | Parameters.Add(new LookupParameter<DoubleValue>("Overload", "The overload of the individual"));
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| 71 | Parameters.Add(new LookupParameter<DoubleValue>("Tardiness", "The tardiness of the individual"));
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| 72 | Parameters.Add(new LookupParameter<IntValue>("PickupViolations", "The number of pickup violations."));
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| 73 | }
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| 74 |
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| 75 | public override IDeepCloneable Clone(Cloner cloner) {
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| 76 | return new PotvinPDShiftMoveTabuMaker(this, cloner);
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| 77 | }
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| 78 |
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| 79 | protected override IItem GetTabuAttribute(bool maximization, double quality, double moveQuality) {
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| 80 | PotvinPDShiftMove move = PDShiftMoveParameter.ActualValue;
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| 81 | double baseQuality = moveQuality;
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| 82 | if (quality < moveQuality) baseQuality = quality; // we make an uphill move, the lower bound is the solution quality
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| 83 |
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| 84 | double distance = 0;
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| 85 | if (DistanceParameter.ActualValue != null)
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| 86 | distance = DistanceParameter.ActualValue.Value;
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| 87 |
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| 88 | double overload = 0;
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| 89 | if (OverloadParameter.ActualValue != null)
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| 90 | overload = OverloadParameter.ActualValue.Value;
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| 91 |
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| 92 | double tardiness = 0;
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| 93 | if (TardinessParameter.ActualValue != null)
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| 94 | tardiness = TardinessParameter.ActualValue.Value;
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| 95 |
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| 96 | int pickupViolations = 0;
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| 97 | if (PickupViolationsParameter.ActualValue != null)
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| 98 | pickupViolations = PickupViolationsParameter.ActualValue.Value;
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| 99 |
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| 100 | return new PotvinPDRelocateMoveAttribute(baseQuality, move.OldTour, move.City, distance, overload, tardiness, pickupViolations);
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| 101 | }
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| 102 | }
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| 103 | }
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