1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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;
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26 | using HeuristicLab.Parameters;
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27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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28 |
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29 | namespace HeuristicLab.Problems.VehicleRouting {
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30 | [Item("VRPMoveEvaluator", "A base class for operators which evaluate VRP moves.")]
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31 | [StorableClass]
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32 | public abstract class VRPMoveEvaluator : VRPOperator, IVRPMoveEvaluator, IMoveOperator {
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33 | public override bool CanChangeName {
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34 | get { return false; }
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35 | }
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36 |
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37 | public ILookupParameter<IVRPEncoding> VRPToursParameter {
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38 | get { return (ILookupParameter<IVRPEncoding>)Parameters["VRPTours"]; }
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39 | }
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40 |
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41 | public ILookupParameter<DoubleValue> FleetUsageFactor {
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42 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalFleetUsageFactor"]; }
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43 | }
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44 | public ILookupParameter<DoubleValue> TimeFactor {
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45 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalTimeFactor"]; }
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46 | }
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47 | public ILookupParameter<DoubleValue> DistanceFactor {
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48 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalDistanceFactor"]; }
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49 | }
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50 | public ILookupParameter<DoubleValue> OverloadPenalty {
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51 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalOverloadPenalty"]; }
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52 | }
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53 | public ILookupParameter<DoubleValue> TardinessPenalty {
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54 | get { return (ILookupParameter<DoubleValue>)Parameters["EvalTardinessPenalty"]; }
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55 | }
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56 |
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57 | public ILookupParameter<DoubleValue> QualityParameter {
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58 | get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
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59 | }
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60 | public ILookupParameter<DoubleValue> MoveQualityParameter {
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61 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }
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62 | }
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63 | public ILookupParameter<DoubleValue> MoveVehcilesUtilizedParameter {
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64 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveVehiclesUtilized"]; }
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65 | }
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66 | public ILookupParameter<DoubleValue> MoveTravelTimeParameter {
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67 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveTravelTime"]; }
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68 | }
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69 | public ILookupParameter<DoubleValue> MoveDistanceParameter {
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70 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveDistance"]; }
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71 | }
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72 | public ILookupParameter<DoubleValue> MoveOverloadParameter {
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73 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveOverload"]; }
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74 | }
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75 | public ILookupParameter<DoubleValue> MoveTardinessParameter {
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76 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveTardiness"]; }
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77 | }
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78 |
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79 | [StorableConstructor]
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80 | protected VRPMoveEvaluator(bool deserializing) : base(deserializing) { }
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81 | protected VRPMoveEvaluator(VRPMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
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82 | protected VRPMoveEvaluator()
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83 | : base() {
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84 | Parameters.Add(new LookupParameter<IVRPEncoding>("VRPTours", "The VRP tours."));
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85 | Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of a VRP solution."));
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86 | Parameters.Add(new LookupParameter<DoubleValue>("MoveVehiclesUtilized", "The number of vehicles utilized."));
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87 | Parameters.Add(new LookupParameter<DoubleValue>("MoveTravelTime", "The total travel time."));
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88 | Parameters.Add(new LookupParameter<DoubleValue>("MoveDistance", "The distance."));
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89 | Parameters.Add(new LookupParameter<DoubleValue>("MoveOverload", "The overload."));
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90 | Parameters.Add(new LookupParameter<DoubleValue>("MoveTardiness", "The tardiness."));
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91 | Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The evaluated quality of a move on a VRP solution."));
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92 | Parameters.Add(new LookupParameter<DoubleValue>("EvalFleetUsageFactor", "The fleet usage factor considered in the evaluation."));
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93 | Parameters.Add(new LookupParameter<DoubleValue>("EvalTimeFactor", "The time factor considered in the evaluation."));
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94 | Parameters.Add(new LookupParameter<DoubleValue>("EvalDistanceFactor", "The distance factor considered in the evaluation."));
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95 | Parameters.Add(new LookupParameter<DoubleValue>("EvalOverloadPenalty", "The overload penalty considered in the evaluation."));
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96 | Parameters.Add(new LookupParameter<DoubleValue>("EvalTardinessPenalty", "The tardiness penalty considered in the evaluation."));
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97 | }
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98 |
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99 | protected abstract TourEvaluation GetMoveQuality();
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100 |
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101 | public override IOperation Apply(IExecutionContext context) {
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102 | TourEvaluation tourEval = GetMoveQuality();
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103 |
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104 | MoveQualityParameter.ActualValue = new DoubleValue(tourEval.Quality);
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105 | MoveDistanceParameter.ActualValue = new DoubleValue(tourEval.Distance);
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106 | MoveVehcilesUtilizedParameter.ActualValue = new DoubleValue(tourEval.VehcilesUtilized);
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107 | MoveOverloadParameter.ActualValue = new DoubleValue(tourEval.Overload);
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108 | MoveTardinessParameter.ActualValue = new DoubleValue(tourEval.Tardiness);
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109 | MoveTravelTimeParameter.ActualValue = new DoubleValue(tourEval.TravelTime);
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110 |
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111 | return base.Apply(context);
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112 | }
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113 | }
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114 | }
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