source: branches/2520_PersistenceReintegration/HeuristicLab.Encodings.BinaryVectorEncoding/3.3/Crossovers/MultiBinaryVectorCrossover.cs @ 16453

Last change on this file since 16453 was 16453, checked in by jkarder, 10 months ago

#2520: updated year of copyrights

File size: 4.2 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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
22using System;
23using System.Linq;
24using HeuristicLab.Collections;
25using HeuristicLab.Common;
26using HeuristicLab.Core;
27using HeuristicLab.Operators;
28using HeuristicLab.Optimization;
29using HeuristicLab.Parameters;
30using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
31using HeuristicLab.PluginInfrastructure;
32
33namespace HeuristicLab.Encodings.BinaryVectorEncoding {
34  [Item("MultiBinaryVectorCrossover", "Randomly selects and applies one of its crossovers every time it is called.")]
35  [StorableClass]
36  public class MultiBinaryVectorCrossover : StochasticMultiBranch<IBinaryVectorCrossover>, IBinaryVectorCrossover, IStochasticOperator {
37    public override bool CanChangeName {
38      get { return false; }
39    }
40    protected override bool CreateChildOperation {
41      get { return true; }
42    }
43
44    public ILookupParameter<ItemArray<BinaryVector>> ParentsParameter {
45      get { return (ILookupParameter<ItemArray<BinaryVector>>)Parameters["Parents"]; }
46    }
47
48    public ILookupParameter<BinaryVector> ChildParameter {
49      get { return (ILookupParameter<BinaryVector>)Parameters["Child"]; }
50    }
51
52    [StorableConstructor]
53    protected MultiBinaryVectorCrossover(bool deserializing) : base(deserializing) { }
54    protected MultiBinaryVectorCrossover(MultiBinaryVectorCrossover original, Cloner cloner) : base(original, cloner) { }
55    public MultiBinaryVectorCrossover()
56      : base() {
57      Parameters.Add(new ScopeTreeLookupParameter<BinaryVector>("Parents", "The parent binary vector which should be crossed."));
58      ParentsParameter.ActualName = "BinaryVector";
59      Parameters.Add(new LookupParameter<BinaryVector>("Child", "The child binary vector resulting from the crossover."));
60      ChildParameter.ActualName = "BinaryVector";
61
62      foreach (Type type in ApplicationManager.Manager.GetTypes(typeof(IBinaryVectorCrossover))) {
63        if (!typeof(MultiOperator<IBinaryVectorCrossover>).IsAssignableFrom(type))
64          Operators.Add((IBinaryVectorCrossover)Activator.CreateInstance(type), true);
65      }
66
67      SelectedOperatorParameter.ActualName = "SelectedCrossoverOperator";
68    }
69
70    public override IDeepCloneable Clone(Cloner cloner) {
71      return new MultiBinaryVectorCrossover(this, cloner);
72    }
73
74    protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IBinaryVectorCrossover>> e) {
75      base.Operators_ItemsReplaced(sender, e);
76      ParameterizeCrossovers();
77    }
78
79    protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IBinaryVectorCrossover>> e) {
80      base.Operators_ItemsAdded(sender, e);
81      ParameterizeCrossovers();
82    }
83
84    private void ParameterizeCrossovers() {
85      foreach (IBinaryVectorCrossover crossover in Operators.OfType<IBinaryVectorCrossover>()) {
86        crossover.ChildParameter.ActualName = ChildParameter.Name;
87        crossover.ParentsParameter.ActualName = ParentsParameter.Name;
88      }
89      foreach (IStochasticOperator crossover in Operators.OfType<IStochasticOperator>()) {
90        crossover.RandomParameter.ActualName = RandomParameter.Name;
91      }
92    }
93
94    public override IOperation InstrumentedApply() {
95      if (Operators.Count == 0) throw new InvalidOperationException(Name + ": Please add at least one binary vector crossover to choose from.");
96      return base.InstrumentedApply();
97    }
98  }
99}
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