source: branches/2994-AutoDiffForIntervals/HeuristicLab.Encodings.LinearLinkageEncoding/3.4/LinearLinkageCrossover.cs @ 17209

Last change on this file since 17209 was 17209, checked in by gkronber, 4 months ago

#2994: merged r17132:17198 from trunk to branch

File size: 2.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HEAL.Attic;
29
30namespace HeuristicLab.Encodings.LinearLinkageEncoding {
31  [Item("Linear Linkage Crossover", "Base class for linear linkage crossovers.")]
32  [StorableType("AB45F937-ECD4-4658-BC9E-793EE0453A0C")]
33  public abstract class LinearLinkageCrossover : InstrumentedOperator, ILinearLinkageCrossover, IStochasticOperator {
34
35    public ILookupParameter<IRandom> RandomParameter {
36      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
37    }
38
39    public ILookupParameter<LinearLinkage> ChildParameter {
40      get { return (ILookupParameter<LinearLinkage>)Parameters["Child"]; }
41    }
42
43    public IScopeTreeLookupParameter<LinearLinkage> ParentsParameter {
44      get { return (IScopeTreeLookupParameter<LinearLinkage>)Parameters["Parents"]; }
45    }
46
47    [StorableConstructor]
48    protected LinearLinkageCrossover(StorableConstructorFlag _) : base(_) { }
49    protected LinearLinkageCrossover(LinearLinkageCrossover original, Cloner cloner) : base(original, cloner) { }
50    protected LinearLinkageCrossover() {
51      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
52      Parameters.Add(new LookupParameter<LinearLinkage>("Child", "The child that is to be created."));
53      Parameters.Add(new ScopeTreeLookupParameter<LinearLinkage>("Parents", "The parents that are to be crossed."));
54    }
55
56    public override IOperation InstrumentedApply() {
57      var random = RandomParameter.ActualValue;
58      var parents = ParentsParameter.ActualValue;
59      if (parents == null) throw new InvalidOperationException(Name + ": Parents could not be found.");
60      var child = Cross(random, parents);
61      ChildParameter.ActualValue = child;
62      return base.InstrumentedApply();
63    }
64
65    protected abstract LinearLinkage Cross(IRandom random, ItemArray<LinearLinkage> parents);
66  }
67}
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