[4183] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[5445] | 3 | * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[4183] | 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.Linq;
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| 24 | using HeuristicLab.Collections;
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[4722] | 25 | using HeuristicLab.Common;
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[4183] | 26 | using HeuristicLab.Core;
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[4722] | 27 | using HeuristicLab.Data;
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[4183] | 28 | using HeuristicLab.Operators;
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| 29 | using HeuristicLab.Optimization;
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| 30 | using HeuristicLab.Parameters;
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| 31 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 32 | using HeuristicLab.PluginInfrastructure;
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| 33 |
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| 34 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.General {
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[4346] | 35 | [Item("MultiVRPSolutionManipulator", "Randomly selects and applies one of its manipulators every time it is called.")]
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[4183] | 36 | [StorableClass]
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[4346] | 37 | public class MultiVRPSolutionManipulator : StochasticMultiBranch<IVRPManipulator>, IVRPManipulator, IStochasticOperator {
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[4183] | 38 | public override bool CanChangeName {
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| 39 | get { return false; }
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| 40 | }
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| 41 | protected override bool CreateChildOperation {
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| 42 | get { return true; }
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| 43 | }
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| 44 |
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| 45 | public ILookupParameter<IVRPEncoding> VRPToursParameter {
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| 46 | get { return (ILookupParameter<IVRPEncoding>)Parameters["VRPTours"]; }
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| 47 | }
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| 48 |
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| 49 | public int Cities {
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| 50 | get { return CoordinatesParameter.ActualValue.Rows - 1; }
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| 51 | }
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| 52 | public ILookupParameter<DoubleMatrix> CoordinatesParameter {
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| 53 | get { return (ILookupParameter<DoubleMatrix>)Parameters["Coordinates"]; }
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| 54 | }
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| 55 | public ILookupParameter<DoubleMatrix> DistanceMatrixParameter {
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| 56 | get { return (ILookupParameter<DoubleMatrix>)Parameters["DistanceMatrix"]; }
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| 57 | }
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| 58 | public ILookupParameter<BoolValue> UseDistanceMatrixParameter {
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| 59 | get { return (ILookupParameter<BoolValue>)Parameters["UseDistanceMatrix"]; }
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| 60 | }
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| 61 | public ILookupParameter<IntValue> VehiclesParameter {
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| 62 | get { return (ILookupParameter<IntValue>)Parameters["Vehicles"]; }
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| 63 | }
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| 64 | public ILookupParameter<DoubleValue> CapacityParameter {
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| 65 | get { return (ILookupParameter<DoubleValue>)Parameters["Capacity"]; }
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| 66 | }
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| 67 | public ILookupParameter<DoubleArray> DemandParameter {
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| 68 | get { return (ILookupParameter<DoubleArray>)Parameters["Demand"]; }
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| 69 | }
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| 70 | public ILookupParameter<DoubleArray> ReadyTimeParameter {
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| 71 | get { return (ILookupParameter<DoubleArray>)Parameters["ReadyTime"]; }
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| 72 | }
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| 73 | public ILookupParameter<DoubleArray> DueTimeParameter {
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| 74 | get { return (ILookupParameter<DoubleArray>)Parameters["DueTime"]; }
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| 75 | }
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| 76 | public ILookupParameter<DoubleArray> ServiceTimeParameter {
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| 77 | get { return (ILookupParameter<DoubleArray>)Parameters["ServiceTime"]; }
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| 78 | }
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| 79 |
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| 80 | [StorableConstructor]
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[4722] | 81 | protected MultiVRPSolutionManipulator(bool deserializing) : base(deserializing) { }
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| 82 | protected MultiVRPSolutionManipulator(MultiVRPSolutionManipulator original, Cloner cloner) : base(original, cloner) { }
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| 83 | public override IDeepCloneable Clone(Cloner cloner) {
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| 84 | return new MultiVRPSolutionManipulator(this, cloner);
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| 85 | }
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[4346] | 86 | public MultiVRPSolutionManipulator()
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[4183] | 87 | : base() {
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| 88 | Parameters.Add(new LookupParameter<IVRPEncoding>("VRPTours", "The VRP tours to be manipulated."));
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| 89 |
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| 90 | Parameters.Add(new ValueLookupParameter<IntValue>("Cities", "The city count."));
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| 91 | Parameters.Add(new LookupParameter<DoubleMatrix>("Coordinates", "The coordinates of the cities."));
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| 92 | Parameters.Add(new LookupParameter<DoubleMatrix>("DistanceMatrix", "The matrix which contains the distances between the cities."));
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| 93 | Parameters.Add(new LookupParameter<BoolValue>("UseDistanceMatrix", "True if a distance matrix should be calculated and used for evaluation, otherwise false."));
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| 94 | Parameters.Add(new LookupParameter<IntValue>("Vehicles", "The number of vehicles."));
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| 95 | Parameters.Add(new LookupParameter<DoubleValue>("Capacity", "The capacity of each vehicle."));
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| 96 | Parameters.Add(new LookupParameter<DoubleArray>("Demand", "The demand of each customer."));
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| 97 | Parameters.Add(new LookupParameter<DoubleArray>("ReadyTime", "The ready time of each customer."));
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| 98 | Parameters.Add(new LookupParameter<DoubleArray>("DueTime", "The due time of each customer."));
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| 99 | Parameters.Add(new LookupParameter<DoubleArray>("ServiceTime", "The service time of each customer."));
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| 100 |
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[4347] | 101 | foreach (Type type in ApplicationManager.Manager.GetTypes(typeof(IVRPManipulator)).OrderBy(op => op.Name)) {
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| 102 | if (!typeof(MultiOperator<IVRPManipulator>).IsAssignableFrom(type)) {
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| 103 | IVRPManipulator op = (IVRPManipulator)Activator.CreateInstance(type);
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[4722] | 104 | bool operatorChecked = true;
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| 105 | if (op is HeuristicLab.Problems.VehicleRouting.Encodings.Potvin.PotvinLocalSearchManipulator ||
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[4347] | 106 | op is HeuristicLab.Problems.VehicleRouting.Encodings.Prins.PrinsLSManipulator)
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| 107 | operatorChecked = false;
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| 108 | Operators.Add(op, operatorChecked);
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| 109 | }
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[4183] | 110 | }
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| 111 | }
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| 112 |
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| 113 | protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IVRPManipulator>> e) {
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| 114 | base.Operators_ItemsReplaced(sender, e);
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| 115 | ParameterizeManipulators();
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| 116 | }
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| 117 |
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| 118 | protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IVRPManipulator>> e) {
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| 119 | base.Operators_ItemsAdded(sender, e);
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| 120 | ParameterizeManipulators();
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| 121 | }
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| 122 |
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| 123 | private void ParameterizeManipulators() {
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| 124 | foreach (IVRPManipulator manipulator in Operators.OfType<IVRPManipulator>()) {
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| 125 | manipulator.VRPToursParameter.ActualName = VRPToursParameter.Name;
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| 126 |
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| 127 | if (manipulator.CoordinatesParameter != null) manipulator.CoordinatesParameter.ActualName = CoordinatesParameter.Name;
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| 128 | if (manipulator.DistanceMatrixParameter != null) manipulator.DistanceMatrixParameter.ActualName = DistanceMatrixParameter.Name;
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| 129 | if (manipulator.UseDistanceMatrixParameter != null) manipulator.UseDistanceMatrixParameter.ActualName = UseDistanceMatrixParameter.Name;
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| 130 | if (manipulator.VehiclesParameter != null) manipulator.VehiclesParameter.ActualName = VehiclesParameter.Name;
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| 131 | if (manipulator.CapacityParameter != null) manipulator.CapacityParameter.ActualName = CapacityParameter.Name;
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| 132 | if (manipulator.DemandParameter != null) manipulator.DemandParameter.ActualName = DemandParameter.Name;
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| 133 | if (manipulator.ReadyTimeParameter != null) manipulator.ReadyTimeParameter.ActualName = ReadyTimeParameter.Name;
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| 134 | if (manipulator.DueTimeParameter != null) manipulator.DueTimeParameter.ActualName = DueTimeParameter.Name;
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| 135 | if (manipulator.ServiceTimeParameter != null) manipulator.ServiceTimeParameter.ActualName = ServiceTimeParameter.Name;
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| 136 | }
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| 137 | foreach (IStochasticOperator manipulator in Operators.OfType<IStochasticOperator>()) {
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| 138 | manipulator.RandomParameter.ActualName = RandomParameter.Name;
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| 139 | }
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| 140 | }
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| 141 |
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| 142 | public override IOperation Apply() {
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| 143 | if (Operators.Count == 0) throw new InvalidOperationException(Name + ": Please add at least one permutation manipulator to choose from.");
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| 144 | return base.Apply();
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| 145 | }
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| 146 | }
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| 147 | }
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