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source: stable/HeuristicLab.Encodings.RealVectorEncoding/3.3/Crossovers/MultiRealVectorCrossover.cs @ 17138

Last change on this file since 17138 was 17097, checked in by mkommend, 5 years ago

#2520: Merged 16565 - 16579 into stable.

File size: 4.6 KB
RevLine 
[3425]1#region License Information
2/* HeuristicLab
[17097]3 * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[3425]4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
[3527]22using System;
[3425]23using System.Linq;
24using HeuristicLab.Collections;
[4722]25using HeuristicLab.Common;
[3425]26using HeuristicLab.Core;
27using HeuristicLab.Data;
28using HeuristicLab.Operators;
29using HeuristicLab.Optimization;
30using HeuristicLab.Parameters;
[17097]31using HEAL.Attic;
[3674]32using HeuristicLab.PluginInfrastructure;
[3425]33
34namespace HeuristicLab.Encodings.RealVectorEncoding {
35  [Item("MultiRealVectorCrossover", "Randomly selects and applies one of its crossovers every time it is called.")]
[17097]36  [StorableType("38437BE4-8B77-4347-A7F8-73D787942944")]
[3593]37  public class MultiRealVectorCrossover : StochasticMultiBranch<IRealVectorCrossover>, IRealVectorCrossover, IStochasticOperator {
[3425]38    public override bool CanChangeName {
39      get { return false; }
40    }
41    protected override bool CreateChildOperation {
42      get { return true; }
43    }
44
45    public ILookupParameter<ItemArray<RealVector>> ParentsParameter {
46      get { return (ILookupParameter<ItemArray<RealVector>>)Parameters["Parents"]; }
47    }
48    public ILookupParameter<RealVector> ChildParameter {
49      get { return (ILookupParameter<RealVector>)Parameters["Child"]; }
50    }
51    public IValueLookupParameter<DoubleMatrix> BoundsParameter {
52      get { return (IValueLookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
53    }
54
55    [StorableConstructor]
[17097]56    protected MultiRealVectorCrossover(StorableConstructorFlag _) : base(_) { }
[4722]57    protected MultiRealVectorCrossover(MultiRealVectorCrossover original, Cloner cloner)
58      : base(original, cloner) {
59    }
[3425]60    public MultiRealVectorCrossover()
61      : base() {
[3659]62      Parameters.Add(new ScopeTreeLookupParameter<RealVector>("Parents", "The parent real vector which should be crossed."));
[3425]63      ParentsParameter.ActualName = "RealVector";
64      Parameters.Add(new LookupParameter<RealVector>("Child", "The child real vector resulting from the crossover."));
65      ChildParameter.ActualName = "RealVector";
66      Parameters.Add(new ValueLookupParameter<DoubleMatrix>("Bounds", "The lower and upper bounds for each dimension of the vector."));
[3674]67
68      foreach (Type type in ApplicationManager.Manager.GetTypes(typeof(IRealVectorCrossover))) {
69        if (!typeof(MultiOperator<IRealVectorCrossover>).IsAssignableFrom(type))
70          Operators.Add((IRealVectorCrossover)Activator.CreateInstance(type), true);
71      }
[10917]72
73      SelectedOperatorParameter.ActualName = "SelectedCrossoverOperator";
[3425]74    }
75
[4722]76    public override IDeepCloneable Clone(Cloner cloner) {
77      return new MultiRealVectorCrossover(this, cloner);
78    }
79
[3445]80    protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IRealVectorCrossover>> e) {
81      base.Operators_ItemsReplaced(sender, e);
[3425]82      ParameterizeCrossovers();
83    }
84
[3445]85    protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IRealVectorCrossover>> e) {
86      base.Operators_ItemsAdded(sender, e);
[3425]87      ParameterizeCrossovers();
88    }
89
90    private void ParameterizeCrossovers() {
91      foreach (IRealVectorCrossover crossover in Operators.OfType<IRealVectorCrossover>()) {
92        crossover.ChildParameter.ActualName = ChildParameter.Name;
93        crossover.ParentsParameter.ActualName = ParentsParameter.Name;
94        crossover.BoundsParameter.ActualName = BoundsParameter.Name;
95      }
96      foreach (IStochasticOperator crossover in Operators.OfType<IStochasticOperator>()) {
97        crossover.RandomParameter.ActualName = RandomParameter.Name;
98      }
99    }
[3527]100
[10507]101    public override IOperation InstrumentedApply() {
[3527]102      if (Operators.Count == 0) throw new InvalidOperationException(Name + ": Please add at least one real vector crossover to choose from.");
[10507]103      return base.InstrumentedApply();
[3527]104    }
[3425]105  }
106}
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