#region License Information /* HeuristicLab * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HEAL.Fossil; namespace HeuristicLab.Encodings.IntegerVectorEncoding { /// /// A base class for operators that perform a crossover of int-valued vectors. /// [Item("IntegerVectorCrossover", "A base class for operators that perform a crossover of int-valued vectors.")] [StorableType("BE778213-C140-4B1C-A4A4-1D92D0ADAB45")] public abstract class IntegerVectorCrossover : IntegerVectorOperator, IIntegerVectorCrossover, IStochasticOperator { public override bool CanChangeName { get { return false; } } public ILookupParameter RandomParameter { get { return (LookupParameter)Parameters["Random"]; } } public ILookupParameter> ParentsParameter { get { return (ScopeTreeLookupParameter)Parameters["Parents"]; } } public ILookupParameter ChildParameter { get { return (ILookupParameter)Parameters["Child"]; } } [StorableConstructor] protected IntegerVectorCrossover(StorableConstructorFlag _) : base(_) { } protected IntegerVectorCrossover(IntegerVectorCrossover original, Cloner cloner) : base(original, cloner) { } protected IntegerVectorCrossover() : base() { Parameters.Add(new LookupParameter("Random", "The pseudo random number generator which should be used for stochastic crossover operators.")); Parameters.Add(new ScopeTreeLookupParameter("Parents", "The parent vectors which should be crossed.")); ParentsParameter.ActualName = "IntegerVector"; Parameters.Add(new LookupParameter("Child", "The child vector resulting from the crossover.")); ChildParameter.ActualName = "IntegerVector"; } public sealed override IOperation InstrumentedApply() { ChildParameter.ActualValue = Cross(RandomParameter.ActualValue, ParentsParameter.ActualValue); return base.InstrumentedApply(); } protected abstract IntegerVector Cross(IRandom random, ItemArray parents); } }