[4045] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11205] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[4045] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[4068] | 22 | using HeuristicLab.Core;
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[4045] | 23 | using HeuristicLab.Operators;
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| 24 | using HeuristicLab.Optimization;
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| 25 | using HeuristicLab.Parameters;
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[4068] | 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[4902] | 27 | using HeuristicLab.Common;
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[4045] | 28 |
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| 29 | namespace HeuristicLab.Algorithms.NSGA2 {
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| 30 | [Item("DefaultCrossover", "This operator creates a parent by copying a single individual.")]
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| 31 | [StorableClass]
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| 32 | public class DefaultCrossover : SingleSuccessorOperator, ICrossover, IStochasticOperator {
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| 33 | public ILookupParameter<IRandom> RandomParameter {
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| 34 | get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
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| 35 | }
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| 36 |
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[4902] | 37 |
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| 38 | [StorableConstructor]
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| 39 | protected DefaultCrossover(bool deserializing) : base(deserializing) { }
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| 40 | protected DefaultCrossover(DefaultCrossover original, Cloner cloner) : base(original, cloner) { }
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[4045] | 41 | public DefaultCrossover()
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| 42 | : base() {
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| 43 | Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator."));
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| 44 | }
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| 45 |
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| 46 | public override IOperation Apply() {
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| 47 | IScope scope = ExecutionContext.Scope;
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| 48 | int index = RandomParameter.ActualValue.Next(scope.SubScopes.Count);
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| 49 | IScope child = scope.SubScopes[index];
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| 50 |
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| 51 | foreach (IVariable var in child.Variables)
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| 52 | scope.Variables.Add((IVariable)var.Clone());
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| 53 |
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| 54 | return base.Apply();
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| 55 | }
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[4902] | 56 |
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| 57 | public override IDeepCloneable Clone(Cloner cloner) {
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| 58 | return new DefaultCrossover(this, cloner);
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| 59 | }
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[4045] | 60 | }
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| 61 | }
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