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source: branches/ParameterBinding/HeuristicLab.Encodings.IntegerVectorEncoding/3.3/IntegerVectorCrossover.cs @ 6261

Last change on this file since 6261 was 4722, checked in by swagner, 14 years ago

Merged cloning refactoring branch back into trunk (#922)

File size: 3.0 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 HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Operators;
25using HeuristicLab.Optimization;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Encodings.IntegerVectorEncoding {
30  /// <summary>
31  /// A base class for operators that perform a crossover of int-valued vectors.
32  /// </summary>
33  [Item("IntegerVectorCrossover", "A base class for operators that perform a crossover of int-valued vectors.")]
34  [StorableClass]
35  public abstract class IntegerVectorCrossover : SingleSuccessorOperator, IIntegerVectorCrossover, IStochasticOperator {
36    public override bool CanChangeName {
37      get { return false; }
38    }
39    public ILookupParameter<IRandom> RandomParameter {
40      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
41    }
42    public ILookupParameter<ItemArray<IntegerVector>> ParentsParameter {
43      get { return (ScopeTreeLookupParameter<IntegerVector>)Parameters["Parents"]; }
44    }
45    public ILookupParameter<IntegerVector> ChildParameter {
46      get { return (ILookupParameter<IntegerVector>)Parameters["Child"]; }
47    }
48
49    [StorableConstructor]
50    protected IntegerVectorCrossover(bool deserializing) : base(deserializing) { }
51    protected IntegerVectorCrossover(IntegerVectorCrossover original, Cloner cloner) : base(original, cloner) { }
52    protected IntegerVectorCrossover()
53      : base() {
54      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic crossover operators."));
55      Parameters.Add(new ScopeTreeLookupParameter<IntegerVector>("Parents", "The parent vectors which should be crossed."));
56      ParentsParameter.ActualName = "IntegerVector";
57      Parameters.Add(new LookupParameter<IntegerVector>("Child", "The child vector resulting from the crossover."));
58      ChildParameter.ActualName = "IntegerVector";
59    }
60
61    public sealed override IOperation Apply() {
62      ChildParameter.ActualValue = Cross(RandomParameter.ActualValue, ParentsParameter.ActualValue);
63      return base.Apply();
64    }
65
66    protected abstract IntegerVector Cross(IRandom random, ItemArray<IntegerVector> parents);
67  }
68}
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