[5200] | 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.Linq;
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| 24 | using HeuristicLab.Collections;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Operators;
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| 27 | using HeuristicLab.Optimization;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 | using HeuristicLab.PluginInfrastructure;
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| 31 | using HeuristicLab.Data;
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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 | using System.Collections.Generic;
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| 35 | using HeuristicLab.Common;
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| 36 |
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| 37 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.General {
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| 38 | [Item("MultiVRPSolutionManipulator", "Randomly selects and applies one of its manipulators every time it is called.")]
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| 39 | [StorableClass]
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| 40 | public class MultiVRPSolutionManipulator : StochasticMultiBranch<IVRPManipulator>, IVRPManipulator, IGeneralVRPOperator, IMultiVRPOperator, IStochasticOperator {
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| 41 | public override bool CanChangeName {
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| 42 | get { return false; }
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| 43 | }
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| 44 | protected override bool CreateChildOperation {
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| 45 | get { return true; }
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| 46 | }
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| 47 |
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| 48 | public ILookupParameter<IVRPEncoding> VRPToursParameter {
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| 49 | get { return (ILookupParameter<IVRPEncoding>)Parameters["VRPTours"]; }
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| 50 | }
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| 51 |
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| 52 |
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| 53 | public ILookupParameter<IVRPProblemInstance> ProblemInstanceParameter {
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| 54 | get { return (LookupParameter<IVRPProblemInstance>)Parameters["ProblemInstance"]; }
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| 55 | }
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| 56 |
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| 57 | [StorableConstructor]
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[6716] | 58 | protected MultiVRPSolutionManipulator(bool deserializing) : base(deserializing) { }
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[5200] | 59 | public MultiVRPSolutionManipulator()
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| 60 | : base() {
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| 61 | Parameters.Add(new LookupParameter<IVRPProblemInstance>("ProblemInstance", "The VRP problem instance"));
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| 62 | Parameters.Add(new LookupParameter<IVRPEncoding>("VRPTours", "The VRP tours to be manipulated."));
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| 63 | }
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| 64 |
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| 65 | public override IDeepCloneable Clone(Cloner cloner) {
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| 66 | return new MultiVRPSolutionManipulator(this, cloner);
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| 67 | }
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| 68 |
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| 69 | protected MultiVRPSolutionManipulator(MultiVRPSolutionManipulator original, Cloner cloner)
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| 70 | : base(original, cloner) {
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| 71 | }
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| 72 |
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| 73 | protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IVRPManipulator>> e) {
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| 74 | base.Operators_ItemsReplaced(sender, e);
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| 75 | ParameterizeManipulators();
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| 76 | }
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| 77 |
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| 78 | protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IVRPManipulator>> e) {
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| 79 | base.Operators_ItemsAdded(sender, e);
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| 80 | ParameterizeManipulators();
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| 81 | }
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| 82 |
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| 83 | public void SetOperators(IEnumerable<IOperator> operators) {
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| 84 | foreach (IOperator op in operators) {
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| 85 | if (op is IVRPManipulator && !(op is MultiVRPSolutionManipulator)) {
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[7855] | 86 | Operators.Add(op.Clone() as IVRPManipulator, !(op is IVRPLocalSearchManipulator));
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[5200] | 87 | }
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| 88 | }
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| 89 | }
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| 90 |
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| 91 | private void ParameterizeManipulators() {
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| 92 | foreach (IVRPManipulator manipulator in Operators.OfType<IVRPManipulator>()) {
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| 93 | manipulator.VRPToursParameter.ActualName = VRPToursParameter.Name;
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| 94 | manipulator.ProblemInstanceParameter.ActualName = ProblemInstanceParameter.Name;
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| 95 | }
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| 96 | foreach (IStochasticOperator manipulator in Operators.OfType<IStochasticOperator>()) {
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| 97 | manipulator.RandomParameter.ActualName = RandomParameter.Name;
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| 98 | }
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| 99 | }
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| 100 |
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| 101 | public override IOperation Apply() {
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| 102 | if (Operators.Count == 0) throw new InvalidOperationException(Name + ": Please add at least one permutation manipulator to choose from.");
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| 103 | return base.Apply();
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| 104 | }
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| 105 | }
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| 106 | }
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