| 1 | using HeuristicLab.Common;
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| 2 | using HeuristicLab.Core;
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| 3 | using HeuristicLab.Data.MoveVectorData;
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| 4 | using HeuristicLab.Encodings.MoveVectorEncoding.Interfaces;
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| 5 | using HeuristicLab.Optimization;
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| 6 | using HeuristicLab.Parameters;
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| 7 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 8 |
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| 9 | namespace HeuristicLab.Encodings.MoveVectorEncoding
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| 10 | {
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| 11 | [Item("MoveVectorCrossover", "A base class for operators that perform a crossover of int-valued vectors.")]
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| 12 | [StorableClass]
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| 13 | public abstract class MoveVectorCrossover : MoveVectorOperator, IMoveVectorCrossover, IStochasticOperator
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| 14 | {
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| 15 | public override bool CanChangeName
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| 16 | {
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| 17 | get { return false; }
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| 18 | }
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| 19 | public ILookupParameter<IRandom> RandomParameter
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| 20 | {
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| 21 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
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| 22 | }
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| 23 | public ILookupParameter<ItemArray<MoveVector>> ParentsParameter
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| 24 | {
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| 25 | get { return (ScopeTreeLookupParameter<MoveVector>)Parameters["Parents"]; }
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| 26 | }
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| 27 | public ILookupParameter<MoveVector> ChildParameter
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| 28 | {
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| 29 | get { return (ILookupParameter<MoveVector>)Parameters["Child"]; }
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| 30 | }
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| 31 |
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| 32 | [StorableConstructor]
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| 33 | protected MoveVectorCrossover(bool deserializing) : base(deserializing) { }
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| 34 | protected MoveVectorCrossover(MoveVectorCrossover original, Cloner cloner) : base(original, cloner) { }
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| 35 | protected MoveVectorCrossover() : base()
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| 36 | {
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| 37 | Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic crossover operators."));
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| 38 | Parameters.Add(new ScopeTreeLookupParameter<MoveVector>("Parents", "The parent vectors which should be crossed."));
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| 39 | ParentsParameter.ActualName = "IntegerVector";
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| 40 | Parameters.Add(new LookupParameter<MoveVector>("Child", "The child vector resulting from the crossover."));
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| 41 | ChildParameter.ActualName = "IntegerVector";
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| 42 | }
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| 43 |
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| 44 | public sealed override IOperation InstrumentedApply()
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| 45 | {
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| 46 | ChildParameter.ActualValue = Cross(RandomParameter.ActualValue, ParentsParameter.ActualValue);
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| 47 | return base.InstrumentedApply();
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| 48 | }
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| 49 |
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| 50 | protected abstract MoveVector Cross(IRandom random, ItemArray<MoveVector> parents);
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| 51 | }
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| 52 | }
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