[5143] | 1 | #region License Information
|
---|
| 2 | /* HeuristicLab
|
---|
[15583] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
[5143] | 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 |
|
---|
| 22 | using HeuristicLab.Common;
|
---|
| 23 | using HeuristicLab.Core;
|
---|
| 24 | using HeuristicLab.Operators;
|
---|
| 25 | using HeuristicLab.Parameters;
|
---|
| 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
---|
| 27 |
|
---|
| 28 | namespace HeuristicLab.Optimization.Operators {
|
---|
| 29 | [Item("ParentCopyCrossover", "This operator creates an offspring by creating a clone of a randomly chosen parent. It can be used in situations where no crossover should occur after selection.")]
|
---|
| 30 | [StorableClass]
|
---|
[10291] | 31 | public class ParentCopyCrossover : InstrumentedOperator, ICrossover, IStochasticOperator {
|
---|
[5143] | 32 | public ILookupParameter<IRandom> RandomParameter {
|
---|
| 33 | get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
|
---|
| 34 | }
|
---|
| 35 |
|
---|
| 36 |
|
---|
| 37 | [StorableConstructor]
|
---|
| 38 | protected ParentCopyCrossover(bool deserializing) : base(deserializing) { }
|
---|
| 39 | protected ParentCopyCrossover(ParentCopyCrossover original, Cloner cloner) : base(original, cloner) { }
|
---|
| 40 | public ParentCopyCrossover()
|
---|
| 41 | : base() {
|
---|
| 42 | Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator."));
|
---|
| 43 | }
|
---|
| 44 |
|
---|
[10291] | 45 | public override IOperation InstrumentedApply() {
|
---|
[5143] | 46 | IScope scope = ExecutionContext.Scope;
|
---|
| 47 | int index = RandomParameter.ActualValue.Next(scope.SubScopes.Count);
|
---|
| 48 | IScope child = scope.SubScopes[index];
|
---|
| 49 |
|
---|
| 50 | foreach (IVariable var in child.Variables)
|
---|
| 51 | scope.Variables.Add((IVariable)var.Clone());
|
---|
| 52 |
|
---|
[10291] | 53 | return base.InstrumentedApply();
|
---|
[5143] | 54 | }
|
---|
| 55 |
|
---|
| 56 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
| 57 | return new ParentCopyCrossover(this, cloner);
|
---|
| 58 | }
|
---|
| 59 | }
|
---|
| 60 | }
|
---|