source: branches/ScopedAlgorithms/HeuristicLab.Encodings.BinaryVectorEncoding/3.3/Crossovers/SinglePointCrossover.cs @ 14429

Last change on this file since 14429 was 14429, checked in by abeham, 4 years ago

#2701, #2708: Made a new branch from ProblemRefactoring and removed ScopedBasicAlgorithm branch (which becomes MemPR branch)

File size: 2.7 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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 HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Encodings.BinaryVectorEncoding {
29  /// <summary>
30  /// Single point crossover for binary vectors.
31  /// </summary>
32  /// <remarks>
33  /// It is implemented based on the NPointCrossover
34  /// </remarks>
35  [Item("SinglePointCrossover", "Single point crossover for binary vectors. It is implemented based on the NPointCrossover.")]
36  [StorableClass]
37  public sealed class SinglePointCrossover : BinaryVectorCrossover {
38
39    [StorableConstructor]
40    private SinglePointCrossover(bool deserializing) : base(deserializing) { }
41    private SinglePointCrossover(SinglePointCrossover original, Cloner cloner) : base(original, cloner) { }
42    public SinglePointCrossover() : base() { }
43
44    public override IDeepCloneable Clone(Cloner cloner) {
45      return new SinglePointCrossover(this, cloner);
46    }
47
48    /// <summary>
49    /// Performs a single point crossover at a randomly chosen position of two
50    /// given parent binary vectors.
51    /// </summary>
52    /// <exception cref="ArgumentException">Thrown if there are not exactly two parents.</exception>
53    /// <param name="random">A random number generator.</param>
54    /// <param name="parents">An array containing the two binary vectors that should be crossed.</param>
55    /// <returns>The newly created binary vector, resulting from the single point crossover.</returns>
56    protected override BinaryVector Cross(IRandom random, ItemArray<BinaryVector> parents) {
57      if (parents.Length != 2) throw new ArgumentException("ERROR in SinglePointCrossover: The number of parents is not equal to 2");
58
59      return NPointCrossover.Apply(random, parents[0], parents[1], 1);
60    }
61  }
62}
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