source: branches/2839_HiveProjectManagement/HeuristicLab.Encodings.IntegerVectorEncoding/3.3/IntegerVectorCrossover.cs @ 16057

Last change on this file since 16057 was 16057, checked in by jkarder, 16 months ago

#2839:

File size: 3.0 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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 HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Optimization;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Encodings.IntegerVectorEncoding {
29  /// <summary>
30  /// A base class for operators that perform a crossover of int-valued vectors.
31  /// </summary>
32  [Item("IntegerVectorCrossover", "A base class for operators that perform a crossover of int-valued vectors.")]
33  [StorableClass]
34  public abstract class IntegerVectorCrossover : IntegerVectorOperator, IIntegerVectorCrossover, IStochasticOperator {
35    public override bool CanChangeName {
36      get { return false; }
37    }
38    public ILookupParameter<IRandom> RandomParameter {
39      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
40    }
41    public ILookupParameter<ItemArray<IntegerVector>> ParentsParameter {
42      get { return (ScopeTreeLookupParameter<IntegerVector>)Parameters["Parents"]; }
43    }
44    public ILookupParameter<IntegerVector> ChildParameter {
45      get { return (ILookupParameter<IntegerVector>)Parameters["Child"]; }
46    }
47
48    [StorableConstructor]
49    protected IntegerVectorCrossover(bool deserializing) : base(deserializing) { }
50    protected IntegerVectorCrossover(IntegerVectorCrossover original, Cloner cloner) : base(original, cloner) { }
51    protected IntegerVectorCrossover()
52      : base() {
53      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic crossover operators."));
54      Parameters.Add(new ScopeTreeLookupParameter<IntegerVector>("Parents", "The parent vectors which should be crossed."));
55      ParentsParameter.ActualName = "IntegerVector";
56      Parameters.Add(new LookupParameter<IntegerVector>("Child", "The child vector resulting from the crossover."));
57      ChildParameter.ActualName = "IntegerVector";
58    }
59
60    public sealed override IOperation InstrumentedApply() {
61      ChildParameter.ActualValue = Cross(RandomParameter.ActualValue, ParentsParameter.ActualValue);
62      return base.InstrumentedApply();
63    }
64
65    protected abstract IntegerVector Cross(IRandom random, ItemArray<IntegerVector> parents);
66  }
67}
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