source: trunk/sources/HeuristicLab.Encodings.PermutationEncoding/3.3/Manipulators/MultiPermutationManipulator.cs @ 3445

Last change on this file since 3445 was 3445, checked in by abeham, 11 years ago

Updated StochasticMultiOperator and Multicrossover/Multimutation #976

File size: 2.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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.Collections;
24using HeuristicLab.Core;
25using HeuristicLab.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Encodings.PermutationEncoding {
31  [Item("MultiPermutationManipulator", "Randomly selects and applies one of its manipulators every time it is called.")]
32  [StorableClass]
33  public class MultiPermutationManipulator : StochasticMultiOperator<IPermutationManipulator>, IPermutationManipulator, IStochasticOperator {
34    public override bool CanChangeName {
35      get { return false; }
36    }
37    protected override bool CreateChildOperation {
38      get { return true; }
39    }
40
41    public ILookupParameter<Permutation> PermutationParameter {
42      get { return (ILookupParameter<Permutation>)Parameters["Permutation"]; }
43    }
44
45    [StorableConstructor]
46    private MultiPermutationManipulator(bool deserializing) : base(deserializing) { }
47    public MultiPermutationManipulator()
48      : base() {
49      Parameters.Add(new LookupParameter<Permutation>("Permutation", "The permutation that is being manipulating."));
50    }
51
52    protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IPermutationManipulator>> e) {
53      base.Operators_ItemsReplaced(sender, e);
54      ParameterizeManipulators();
55    }
56
57    protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IPermutationManipulator>> e) {
58      base.Operators_ItemsAdded(sender, e);
59      ParameterizeManipulators();
60    }
61
62    private void ParameterizeManipulators() {
63      foreach (IPermutationManipulator manipulator in Operators.OfType<IPermutationManipulator>()) {
64        manipulator.PermutationParameter.ActualName = PermutationParameter.Name;
65      }
66      foreach (IStochasticOperator crossover in Operators.OfType<IStochasticOperator>()) {
67        crossover.RandomParameter.ActualName = RandomParameter.Name;
68      }
69    }
70  }
71}
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