source: branches/2839_HiveProjectManagement/HeuristicLab.Encodings.PermutationEncoding/3.3/Creators/RandomPermutationCreator.cs @ 16057

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

#2839:

File size: 3.5 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.Data;
25using HeuristicLab.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Encodings.PermutationEncoding {
31  /// <summary>
32  /// An operator which creates a new random permutation of integer values.
33  /// </summary>
34  [Item("RandomPermutationCreator", "An operator which creates a new random permutation of integer values.")]
35  [StorableClass]
36  public sealed class RandomPermutationCreator : InstrumentedOperator, IPermutationCreator, IStochasticOperator {
37    public override bool CanChangeName {
38      get { return false; }
39    }
40
41    public ILookupParameter<IRandom> RandomParameter {
42      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
43    }
44    public IValueLookupParameter<IntValue> LengthParameter {
45      get { return (IValueLookupParameter<IntValue>)Parameters["Length"]; }
46    }
47    public ILookupParameter<Permutation> PermutationParameter {
48      get { return (ILookupParameter<Permutation>)Parameters["Permutation"]; }
49    }
50    public IValueParameter<PermutationType> PermutationTypeParameter {
51      get { return (IValueParameter<PermutationType>)Parameters["PermutationType"]; }
52    }
53
54    public PermutationTypes PermutationType {
55      get { return PermutationTypeParameter.Value.Value; }
56      set { PermutationTypeParameter.Value.Value = value; }
57    }
58
59    [StorableConstructor]
60    private RandomPermutationCreator(bool deserializing) : base(deserializing) { }
61    private RandomPermutationCreator(RandomPermutationCreator original, Cloner cloner) : base(original, cloner) { }
62    public RandomPermutationCreator()
63      : base() {
64      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used to initialize the new random permutation."));
65      Parameters.Add(new ValueLookupParameter<IntValue>("Length", "The length of the new random permutation."));
66      Parameters.Add(new LookupParameter<Permutation>("Permutation", "The new random permutation."));
67      Parameters.Add(new ValueParameter<PermutationType>("PermutationType", "The type of the permutation.", new PermutationType(PermutationTypes.RelativeUndirected)));
68    }
69
70    public override IDeepCloneable Clone(Cloner cloner) {
71      return new RandomPermutationCreator(this, cloner);
72    }
73
74    public override IOperation InstrumentedApply() {
75      PermutationParameter.ActualValue = new Permutation(PermutationType, LengthParameter.ActualValue.Value, RandomParameter.ActualValue);
76      return base.InstrumentedApply();
77    }
78  }
79}
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