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 System;
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23 | using System.Collections.Generic;
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24 | using System.Linq;
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25 | using System.Text;
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26 | using HeuristicLab.Operators;
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27 | using HeuristicLab.Optimization;
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28 | using HeuristicLab.Data;
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29 | using HeuristicLab.Core;
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30 | using HeuristicLab.Parameters;
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31 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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32 |
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33 | namespace HeuristicLab.Problems.VehicleRouting {
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34 | [Item("VRPMoveEvaluator", "A base class for operators which evaluate VRP moves.")]
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35 | [StorableClass]
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36 | public abstract class VRPMoveEvaluator : SingleSuccessorOperator, IVRPMoveEvaluator, IMoveOperator {
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37 | public override bool CanChangeName {
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38 | get { return false; }
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39 | }
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40 |
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41 | public ILookupParameter<IVRPEncoding> VRPSolutionParameter {
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42 | get { return (ILookupParameter<IVRPEncoding>)Parameters["VRPSolution"]; }
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43 | }
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44 | public ILookupParameter<DoubleMatrix> CoordinatesParameter {
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45 | get { return (ILookupParameter<DoubleMatrix>)Parameters["Coordinates"]; }
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46 | }
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47 | public ILookupParameter<DoubleMatrix> DistanceMatrixParameter {
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48 | get { return (ILookupParameter<DoubleMatrix>)Parameters["DistanceMatrix"]; }
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49 | }
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50 | public ILookupParameter<BoolValue> UseDistanceMatrixParameter {
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51 | get { return (ILookupParameter<BoolValue>)Parameters["UseDistanceMatrix"]; }
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52 | }
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53 | public ILookupParameter<IntValue> VehiclesParameter {
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54 | get { return (ILookupParameter<IntValue>)Parameters["Vehicles"]; }
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55 | }
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56 | public ILookupParameter<DoubleValue> CapacityParameter {
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57 | get { return (ILookupParameter<DoubleValue>)Parameters["Capacity"]; }
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58 | }
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59 | public ILookupParameter<DoubleArray> DemandParameter {
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60 | get { return (ILookupParameter<DoubleArray>)Parameters["Demand"]; }
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61 | }
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62 | public ILookupParameter<DoubleArray> ReadyTimeParameter {
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63 | get { return (ILookupParameter<DoubleArray>)Parameters["ReadyTime"]; }
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64 | }
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65 | public ILookupParameter<DoubleArray> DueTimeParameter {
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66 | get { return (ILookupParameter<DoubleArray>)Parameters["DueTime"]; }
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67 | }
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68 | public ILookupParameter<DoubleArray> ServiceTimeParameter {
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69 | get { return (ILookupParameter<DoubleArray>)Parameters["ServiceTime"]; }
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70 | }
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71 | public ILookupParameter<DoubleValue> FleetUsageFactor {
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72 | get { return (ILookupParameter<DoubleValue>)Parameters["FleetUsageFactor"]; }
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73 | }
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74 | public ILookupParameter<DoubleValue> TimeFactor {
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75 | get { return (ILookupParameter<DoubleValue>)Parameters["TimeFactor"]; }
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76 | }
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77 | public ILookupParameter<DoubleValue> DistanceFactor {
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78 | get { return (ILookupParameter<DoubleValue>)Parameters["DistanceFactor"]; }
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79 | }
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80 | public ILookupParameter<DoubleValue> OverloadPenalty {
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81 | get { return (ILookupParameter<DoubleValue>)Parameters["OverloadPenalty"]; }
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82 | }
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83 | public ILookupParameter<DoubleValue> TardinessPenalty {
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84 | get { return (ILookupParameter<DoubleValue>)Parameters["TardinessPenalty"]; }
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85 | }
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86 |
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87 | public ILookupParameter<DoubleValue> QualityParameter {
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88 | get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
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89 | }
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90 | public ILookupParameter<DoubleValue> MoveQualityParameter {
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91 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }
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92 | }
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93 | public ILookupParameter<DoubleValue> MoveVehcilesUtilizedParameter {
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94 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveVehiclesUtilized"]; }
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95 | }
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96 | public ILookupParameter<DoubleValue> MoveTravelTimeParameter {
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97 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveTravelTime"]; }
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98 | }
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99 | public ILookupParameter<DoubleValue> MoveDistanceParameter {
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100 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveDistance"]; }
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101 | }
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102 | public ILookupParameter<DoubleValue> MoveOverloadParameter {
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103 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveOverload"]; }
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104 | }
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105 | public ILookupParameter<DoubleValue> MoveTardinessParameter {
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106 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveTardiness"]; }
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107 | }
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108 |
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109 | protected VRPMoveEvaluator()
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110 | : base() {
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111 | Parameters.Add(new LookupParameter<IVRPEncoding>("VRPSolution", "The VRP solution."));
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112 | Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of a VRP solution."));
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113 | Parameters.Add(new LookupParameter<DoubleValue>("MoveVehiclesUtilized", "The number of vehicles utilized."));
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114 | Parameters.Add(new LookupParameter<DoubleValue>("MoveTravelTime", "The total travel time."));
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115 | Parameters.Add(new LookupParameter<DoubleValue>("MoveDistance", "The distance."));
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116 | Parameters.Add(new LookupParameter<DoubleValue>("MoveOverload", "The overload."));
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117 | Parameters.Add(new LookupParameter<DoubleValue>("MoveTardiness", "The tardiness."));
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118 | Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The evaluated quality of a move on a VRP solution."));
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119 | Parameters.Add(new LookupParameter<DoubleMatrix>("Coordinates", "The coordinates of the cities."));
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120 | Parameters.Add(new LookupParameter<DoubleMatrix>("DistanceMatrix", "The matrix which contains the distances between the cities."));
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121 | Parameters.Add(new LookupParameter<BoolValue>("UseDistanceMatrix", "True if a distance matrix should be calculated and used for evaluation, otherwise false."));
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122 | Parameters.Add(new LookupParameter<IntValue>("Vehicles", "The number of vehicles."));
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123 | Parameters.Add(new LookupParameter<DoubleValue>("Capacity", "The capacity of each vehicle."));
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124 | Parameters.Add(new LookupParameter<DoubleArray>("Demand", "The demand of each customer."));
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125 | Parameters.Add(new LookupParameter<DoubleArray>("ReadyTime", "The ready time of each customer."));
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126 | Parameters.Add(new LookupParameter<DoubleArray>("DueTime", "The due time of each customer."));
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127 | Parameters.Add(new LookupParameter<DoubleArray>("ServiceTime", "The service time of each customer."));
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128 | Parameters.Add(new LookupParameter<DoubleValue>("FleetUsageFactor", "The fleet usage factor considered in the evaluation."));
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129 | Parameters.Add(new LookupParameter<DoubleValue>("TimeFactor", "The time factor considered in the evaluation."));
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130 | Parameters.Add(new LookupParameter<DoubleValue>("DistanceFactor", "The distance factor considered in the evaluation."));
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131 | Parameters.Add(new LookupParameter<DoubleValue>("OverloadPenalty", "The overload penalty considered in the evaluation."));
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132 | Parameters.Add(new LookupParameter<DoubleValue>("TardinessPenalty", "The tardiness penalty considered in the evaluation."));
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133 | }
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134 |
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135 | protected abstract TourEvaluation GetMoveQuality();
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136 |
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137 | public override IOperation Apply() {
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138 | TourEvaluation tourEval = GetMoveQuality();
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139 |
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140 | MoveQualityParameter.ActualValue = new DoubleValue(tourEval.Quality);
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141 | MoveDistanceParameter.ActualValue = new DoubleValue(tourEval.Distance);
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142 | MoveVehcilesUtilizedParameter.ActualValue = new DoubleValue(tourEval.VehcilesUtilized);
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143 | MoveOverloadParameter.ActualValue = new DoubleValue(tourEval.Overload);
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144 | MoveTardinessParameter.ActualValue = new DoubleValue(tourEval.Tardiness);
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145 | MoveTravelTimeParameter.ActualValue = new DoubleValue(tourEval.TravelTime);
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146 |
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147 | if (tourEval.Quality < tourEval.Distance) {
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148 | }
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149 |
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150 | return base.Apply();
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151 | }
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152 | }
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153 | }
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