[12286] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[14186] | 3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[12286] | 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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[12737] | 25 | using System.Reflection;
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[12286] | 26 | using HeuristicLab.Collections;
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| 27 | using HeuristicLab.Common;
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| 28 | using HeuristicLab.Core;
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| 29 | using HeuristicLab.Operators;
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| 30 | using HeuristicLab.Optimization;
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| 31 | using HeuristicLab.Parameters;
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| 32 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 33 | using HeuristicLab.PluginInfrastructure;
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| 34 |
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| 35 | namespace HeuristicLab.Encodings.LinearLinkageEncoding {
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| 36 | [Item("Multi LLE Manipulator", "Randomly selects and applies one of its manipulators every time it is called.")]
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| 37 | [StorableClass]
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| 38 | public class MultiLinearLinkageManipulator : StochasticMultiBranch<ILinearLinkageManipulator>, ILinearLinkageManipulator, IStochasticOperator {
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| 39 | public override bool CanChangeName {
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| 40 | get { return false; }
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| 41 | }
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| 42 | protected override bool CreateChildOperation {
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| 43 | get { return true; }
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| 44 | }
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| 45 |
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| 46 | public ILookupParameter<LinearLinkage> LLEParameter {
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| 47 | get { return (ILookupParameter<LinearLinkage>)Parameters["LLE"]; }
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| 48 | }
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| 49 |
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| 50 | [StorableConstructor]
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| 51 | protected MultiLinearLinkageManipulator(bool deserializing) : base(deserializing) { }
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| 52 | protected MultiLinearLinkageManipulator(MultiLinearLinkageManipulator original, Cloner cloner) : base(original, cloner) { }
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| 53 | public MultiLinearLinkageManipulator()
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| 54 | : base() {
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| 55 | Parameters.Add(new LookupParameter<LinearLinkage>("LLE", "The encoding vector that is to be manipulated."));
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[12737] | 56 | foreach (Type type in ApplicationManager.Manager.GetTypes(typeof(ILinearLinkageManipulator), typeof(LinearLinkageEncoding).Assembly)) {
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[12286] | 57 | if (!typeof(MultiOperator<ILinearLinkageManipulator>).IsAssignableFrom(type))
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| 58 | Operators.Add((ILinearLinkageManipulator)Activator.CreateInstance(type), true);
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| 59 | }
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[12737] | 60 | SelectedOperatorParameter.ActualName = "SelectedManipulationOperator";
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[12286] | 61 | }
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| 62 |
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| 63 | public override IDeepCloneable Clone(Cloner cloner) {
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| 64 | return new MultiLinearLinkageManipulator(this, cloner);
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| 65 | }
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| 66 |
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| 67 | protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<ILinearLinkageManipulator>> e) {
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| 68 | base.Operators_ItemsReplaced(sender, e);
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| 69 | ParameterizeManipulators(e.Items);
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| 70 | }
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| 71 |
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| 72 | protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<ILinearLinkageManipulator>> e) {
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| 73 | base.Operators_ItemsAdded(sender, e);
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| 74 | ParameterizeManipulators(e.Items);
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| 75 | }
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| 76 |
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| 77 | private void ParameterizeManipulators(IEnumerable<IndexedItem<ILinearLinkageManipulator>> manipulators) {
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| 78 | foreach (var m in manipulators.Select(x => x.Value)) {
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| 79 | m.LLEParameter.ActualName = LLEParameter.Name;
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| 80 | var stOp = m as IStochasticOperator;
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| 81 | if (stOp != null) stOp.RandomParameter.ActualName = RandomParameter.Name;
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| 82 | }
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| 83 | }
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| 84 |
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| 85 | public override IOperation InstrumentedApply() {
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| 86 | if (Operators.Count == 0) throw new InvalidOperationException(Name + ": Please add at least one LLE manipulator to choose from.");
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| 87 | return base.InstrumentedApply();
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| 88 | }
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| 89 | }
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| 90 | }
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