[3425] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16453] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3425] | 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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[3527] | 22 | using System;
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[3425] | 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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[3425] | 26 | using HeuristicLab.Core;
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[8019] | 27 | using HeuristicLab.Data;
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[3425] | 28 | using HeuristicLab.Operators;
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| 29 | using HeuristicLab.Optimization;
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| 30 | using HeuristicLab.Parameters;
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[16559] | 31 | using HEAL.Attic;
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[3674] | 32 | using HeuristicLab.PluginInfrastructure;
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[3425] | 33 |
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| 34 | namespace HeuristicLab.Encodings.IntegerVectorEncoding {
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| 35 | [Item("MultiIntegerVectorCrossover", "Randomly selects and applies one of its crossovers every time it is called.")]
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[16462] | 36 | [StorableType("EC482D88-4258-48D3-BCD2-C6FC013C8FED")]
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[8019] | 37 | public class MultiIntegerVectorCrossover : StochasticMultiBranch<IIntegerVectorCrossover>, IIntegerVectorCrossover, IStochasticOperator, IBoundedIntegerVectorOperator {
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[3425] | 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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[8019] | 45 | public IValueLookupParameter<IntMatrix> BoundsParameter {
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| 46 | get { return (IValueLookupParameter<IntMatrix>)Parameters["Bounds"]; }
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| 47 | }
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| 48 |
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[3425] | 49 | public ILookupParameter<ItemArray<IntegerVector>> ParentsParameter {
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| 50 | get { return (ILookupParameter<ItemArray<IntegerVector>>)Parameters["Parents"]; }
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| 51 | }
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| 52 |
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| 53 | public ILookupParameter<IntegerVector> ChildParameter {
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| 54 | get { return (ILookupParameter<IntegerVector>)Parameters["Child"]; }
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| 55 | }
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| 56 |
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| 57 | [StorableConstructor]
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[16462] | 58 | protected MultiIntegerVectorCrossover(StorableConstructorFlag _) : base(_) { }
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[4722] | 59 | protected MultiIntegerVectorCrossover(MultiIntegerVectorCrossover original, Cloner cloner) : base(original, cloner) { }
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[3425] | 60 | public MultiIntegerVectorCrossover()
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| 61 | : base() {
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[8019] | 62 | Parameters.Add(new ValueLookupParameter<IntMatrix>("Bounds", "The bounds matrix can contain one row for each dimension with three columns specifying minimum (inclusive), maximum (exclusive), and step size. If less rows are given the matrix is cycled."));
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[3659] | 63 | Parameters.Add(new ScopeTreeLookupParameter<IntegerVector>("Parents", "The parent integer vector which should be crossed."));
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[3425] | 64 | ParentsParameter.ActualName = "IntegerVector";
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| 65 | Parameters.Add(new LookupParameter<IntegerVector>("Child", "The child integer vector resulting from the crossover."));
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| 66 | ChildParameter.ActualName = "IntegerVector";
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[3674] | 67 |
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| 68 | foreach (Type type in ApplicationManager.Manager.GetTypes(typeof(IIntegerVectorCrossover))) {
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| 69 | if (!typeof(MultiOperator<IIntegerVectorCrossover>).IsAssignableFrom(type))
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| 70 | Operators.Add((IIntegerVectorCrossover)Activator.CreateInstance(type), true);
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| 71 | }
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[10346] | 72 |
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| 73 | SelectedOperatorParameter.ActualName = "SelectedCrossoverOperator";
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[3425] | 74 | }
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| 75 |
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[4722] | 76 | public override IDeepCloneable Clone(Cloner cloner) {
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| 77 | return new MultiIntegerVectorCrossover(this, cloner);
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| 78 | }
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| 79 |
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[3445] | 80 | protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IIntegerVectorCrossover>> e) {
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| 81 | base.Operators_ItemsReplaced(sender, e);
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[3425] | 82 | ParameterizeCrossovers();
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| 83 | }
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| 84 |
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[3445] | 85 | protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IIntegerVectorCrossover>> e) {
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| 86 | base.Operators_ItemsAdded(sender, e);
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[3425] | 87 | ParameterizeCrossovers();
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| 88 | }
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| 89 |
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| 90 | private void ParameterizeCrossovers() {
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| 91 | foreach (IIntegerVectorCrossover crossover in Operators.OfType<IIntegerVectorCrossover>()) {
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| 92 | crossover.ChildParameter.ActualName = ChildParameter.Name;
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| 93 | crossover.ParentsParameter.ActualName = ParentsParameter.Name;
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| 94 | }
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| 95 | foreach (IStochasticOperator crossover in Operators.OfType<IStochasticOperator>()) {
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| 96 | crossover.RandomParameter.ActualName = RandomParameter.Name;
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| 97 | }
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[8019] | 98 | foreach (IBoundedIntegerVectorOperator crossover in Operators.OfType<IBoundedIntegerVectorOperator>()) {
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| 99 | crossover.BoundsParameter.ActualName = BoundsParameter.Name;
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| 100 | }
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[3425] | 101 | }
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[3527] | 102 |
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[10295] | 103 | public override IOperation InstrumentedApply() {
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[3527] | 104 | if (Operators.Count == 0) throw new InvalidOperationException(Name + ": Please add at least one integer vector crossover to choose from.");
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[10295] | 105 | return base.InstrumentedApply();
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[3527] | 106 | }
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[3425] | 107 | }
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| 108 | }
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