source: branches/ALPS/HeuristicLab.Algorithms.ALPS/3.3/MatingPoolCreator.cs @ 11583

Last change on this file since 11583 was 11583, checked in by pfleck, 6 years ago

#2269

  • Implemented MatingPoolCreator.
  • Added a modified GeneticAlgorithMainLoop as main operator in ALPS-GA-MainLoop.
File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 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.Linq;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Operators;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Algorithms.ALPS {
29  [Item("MatingPoolCreator", "An operator which creating mating pools based on a set of sub-populations. For each sub-population, the individuals from the previous sub-population are copied into the current sub-population.")]
30  [StorableClass]
31  public sealed class MatingPoolCreator : SingleSuccessorOperator {
32
33    [StorableConstructor]
34    private MatingPoolCreator(bool deserializing)
35      : base(deserializing) { }
36    private MatingPoolCreator(MatingPoolCreator original, Cloner cloner)
37      : base(original, cloner) { }
38    public override IDeepCloneable Clone(Cloner cloner) {
39      return new MatingPoolCreator(this, cloner);
40    }
41    public MatingPoolCreator()
42      : base() {
43    }
44
45    public override IOperation Apply() {
46      var subPopulations = ExecutionContext.Scope.SubScopes;
47
48      for (int i = subPopulations.Count - 1; i >= 0; i++) {
49        var currentSubPopulation = subPopulations[i].SubScopes;
50        var prevSubPopulation = i > 0 ? subPopulations[i - 1].SubScopes : Enumerable.Empty<IScope>();
51
52        foreach (var individual in prevSubPopulation) {
53          currentSubPopulation.Add(individual);
54        }
55      }
56      return base.Apply();
57    }
58  }
59}
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