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source: trunk/sources/HeuristicLab.Algorithms.EvolutionStrategy/3.3/SelfAdaptiveCrossover.cs @ 12012

Last change on this file since 12012 was 12012, checked in by ascheibe, 8 years ago

#2212 merged r12008, r12009, r12010 back into trunk

File size: 3.0 KB
Line 
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 HeuristicLab.Core;
23using HeuristicLab.Operators;
24using HeuristicLab.Optimization;
25using HeuristicLab.Parameters;
26using HeuristicLab.Encodings.RealVectorEncoding;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Algorithms.EvolutionStrategy {
30  [Item("SelfAdaptiveCrossover", "Applies one crossover on the endogeneous strategy parameters and another on the actual solution encoding.")]
31  [StorableClass]
32  public class SelfAdaptiveCrossover : SingleSuccessorOperator, ICrossover, IStochasticOperator {
33    public override bool CanChangeName {
34      get { return false; }
35    }
36    public ILookupParameter<IRandom> RandomParameter {
37      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
38    }
39    public ValueParameter<IRealVectorCrossover> StrategyVectorCrossoverParameter {
40      get { return (ValueParameter<IRealVectorCrossover>)Parameters["StrategyVectorCrossover"]; }
41    }
42    public ConstrainedValueParameter<ICrossover> CrossoverParameter {
43      get { return (ConstrainedValueParameter<ICrossover>)Parameters["Crossover"]; }
44    }
45
46    public IRealVectorCrossover StrategyVectorCrossover {
47      get { return StrategyVectorCrossoverParameter.Value; }
48      set { StrategyVectorCrossoverParameter.Value = value; }
49    }
50    public ICrossover Crossover {
51      get { return CrossoverParameter.Value; }
52      set { CrossoverParameter.Value = value; }
53    }
54
55    public SelfAdaptiveCrossover()
56      : base() {
57      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
58      Parameters.Add(new ValueParameter<IRealVectorCrossover>("StrategyVectorCrossover", "The crossover operator for the strategy vectors.", new AverageCrossover()));
59      Parameters.Add(new ConstrainedValueParameter<ICrossover>("Crossover", "The solution specific crossover operator."));
60    }
61
62    public override IOperation Apply() {
63      OperationCollection next = new OperationCollection();
64      next.Add(ExecutionContext.CreateOperation(StrategyVectorCrossover));
65      if (Crossover != null)
66        next.Add(ExecutionContext.CreateOperation(Crossover));
67      next.Add(base.Apply());
68      return next;
69    }
70  }
71}
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