1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2019 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 HeuristicLab.Common;
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26 | using HeuristicLab.Core;
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27 | using HeuristicLab.Data;
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28 | using HeuristicLab.Optimization;
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29 | using HeuristicLab.Parameters;
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30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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31 | using HeuristicLab.PluginInfrastructure;
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32 | using HeuristicLab.Problems.VehicleRouting.Interfaces;
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33 | using HeuristicLab.Problems.VehicleRouting.Variants;
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34 |
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35 | namespace HeuristicLab.Problems.VehicleRouting.ProblemInstances {
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36 | [Item("MDCVRPPDTWProblemInstance", "Represents a multi depot CVRPPDTW instance.")]
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37 | [StorableClass]
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38 | public class MDCVRPPDTWProblemInstance : MDCVRPTWProblemInstance, IPickupAndDeliveryProblemInstance {
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39 | protected IValueParameter<IntArray> PickupDeliveryLocationParameter {
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40 | get { return (IValueParameter<IntArray>)Parameters["PickupDeliveryLocation"]; }
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41 | }
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42 | protected IValueParameter<DoubleValue> PickupViolationPenaltyParameter {
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43 | get { return (IValueParameter<DoubleValue>)Parameters["EvalPickupViolationPenalty"]; }
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44 | }
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45 |
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46 | public IntArray PickupDeliveryLocation {
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47 | get { return PickupDeliveryLocationParameter.Value; }
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48 | set { PickupDeliveryLocationParameter.Value = value; }
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49 | }
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50 |
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51 | protected IValueParameter<DoubleValue> CurrentPickupViolationPenaltyParameter {
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52 | get { return (IValueParameter<DoubleValue>)Parameters["CurrentPickupViolationPenalty"]; }
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53 | }
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54 |
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55 | public DoubleValue PickupViolationPenalty {
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56 | get {
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57 | DoubleValue currentPickupViolationPenalty = CurrentPickupViolationPenaltyParameter.Value;
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58 | if (currentPickupViolationPenalty != null)
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59 | return currentPickupViolationPenalty;
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60 | else
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61 | return PickupViolationPenaltyParameter.Value;
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62 | }
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63 | }
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64 | DoubleValue IPickupAndDeliveryProblemInstance.CurrentPickupViolationPenalty {
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65 | get { return CurrentPickupViolationPenaltyParameter.Value; }
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66 | set { CurrentPickupViolationPenaltyParameter.Value = value; }
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67 | }
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68 |
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69 | protected override IEnumerable<IOperator> GetOperators() {
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70 | return
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71 | ApplicationManager.Manager.GetInstances<IPickupAndDeliveryOperator>()
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72 | .Where(o => !(o is IAnalyzer))
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73 | .Cast<IOperator>().Union(base.GetOperators());
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74 | }
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75 |
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76 | protected override IEnumerable<IOperator> GetAnalyzers() {
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77 | return ApplicationManager.Manager.GetInstances<IPickupAndDeliveryOperator>()
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78 | .Where(o => o is IAnalyzer)
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79 | .Cast<IOperator>().Union(base.GetAnalyzers());
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80 | }
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81 |
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82 | protected override IVRPEvaluator Evaluator {
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83 | get {
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84 | return new MDCVRPPDTWEvaluator();
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85 | }
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86 | }
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87 |
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88 | public int GetPickupDeliveryLocation(int city) {
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89 | return PickupDeliveryLocation[city - 1];
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90 | }
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91 |
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92 | [StorableConstructor]
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93 | protected MDCVRPPDTWProblemInstance(bool deserializing) : base(deserializing) { }
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94 |
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95 | public MDCVRPPDTWProblemInstance() {
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96 | Parameters.Add(new ValueParameter<IntArray>("PickupDeliveryLocation", "The pickup and delivery location for each customer.", new IntArray()));
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97 |
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98 | Parameters.Add(new ValueParameter<DoubleValue>("EvalPickupViolationPenalty", "The pickup violation penalty considered in the evaluation.", new DoubleValue(100)));
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99 | Parameters.Add(new OptionalValueParameter<DoubleValue>("CurrentPickupViolationPenalty", "The current pickup violation penalty considered in the evaluation.") { Hidden = true });
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100 |
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101 | AttachEventHandlers();
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102 | }
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103 |
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104 | public override IDeepCloneable Clone(Cloner cloner) {
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105 | return new MDCVRPPDTWProblemInstance(this, cloner);
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106 | }
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107 |
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108 | protected MDCVRPPDTWProblemInstance(MDCVRPPDTWProblemInstance original, Cloner cloner)
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109 | : base(original, cloner) {
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110 | AttachEventHandlers();
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111 | }
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112 |
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113 | [StorableHook(HookType.AfterDeserialization)]
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114 | private void AfterDeserialization() {
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115 | AttachEventHandlers();
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116 | }
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117 |
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118 | private void AttachEventHandlers() {
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119 | PickupDeliveryLocationParameter.ValueChanged += PickupDeliveryLocationParameter_ValueChanged;
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120 | PickupDeliveryLocation.Reset += PickupDeliveryLocation_Changed;
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121 | PickupDeliveryLocation.ItemChanged += PickupDeliveryLocation_Changed;
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122 | PickupViolationPenaltyParameter.ValueChanged += PickupViolationPenaltyParameter_ValueChanged;
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123 | PickupViolationPenalty.ValueChanged += PickupViolationPenalty_Changed;
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124 | }
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125 |
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126 | public override void InitializeState() {
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127 | base.InitializeState();
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128 |
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129 | CurrentPickupViolationPenaltyParameter.Value = null;
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130 | }
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131 |
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132 | #region Event handlers
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133 | void PickupDeliveryLocationParameter_ValueChanged(object sender, EventArgs e) {
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134 | PickupDeliveryLocation.Reset += PickupDeliveryLocation_Changed;
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135 | PickupDeliveryLocation.ItemChanged += PickupDeliveryLocation_Changed;
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136 | EvalBestKnownSolution();
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137 | }
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138 | private void PickupDeliveryLocation_Changed(object sender, EventArgs e) {
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139 | EvalBestKnownSolution();
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140 | }
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141 | private void PickupViolationPenaltyParameter_ValueChanged(object sender, EventArgs e) {
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142 | PickupViolationPenalty.ValueChanged += PickupViolationPenalty_Changed;
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143 | EvalBestKnownSolution();
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144 | }
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145 | private void PickupViolationPenalty_Changed(object sender, EventArgs e) {
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146 | EvalBestKnownSolution();
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147 | }
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148 | #endregion
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149 | }
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150 | } |
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