#region License Information /* HeuristicLab * Copyright (C) 2002-2010 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 System.Linq; using HeuristicLab.Collections; using HeuristicLab.Core; using HeuristicLab.Operators; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Encodings.IntegerVectorEncoding { [Item("MultiIntegerVectorCrossover", "Randomly selects and applies one of its crossovers every time it is called.")] [StorableClass] public class MultiIntegerVectorCrossover : StochasticMultiOperator, IIntegerVectorCrossover { public override bool CanChangeName { get { return false; } } protected override bool CreateChildOperation { get { return true; } } public override bool AutomaticTypeDiscovery { get { return true; } } public ILookupParameter> ParentsParameter { get { return (ILookupParameter>)Parameters["Parents"]; } } public ILookupParameter ChildParameter { get { return (ILookupParameter)Parameters["Child"]; } } [StorableConstructor] private MultiIntegerVectorCrossover(bool deserializing) : base(deserializing) { } public MultiIntegerVectorCrossover() : base() { Parameters.Add(new SubScopesLookupParameter("Parents", "The parent integer vector which should be crossed.")); ParentsParameter.ActualName = "IntegerVector"; Parameters.Add(new LookupParameter("Child", "The child integer vector resulting from the crossover.")); ChildParameter.ActualName = "IntegerVector"; Initialize(); ParameterizeCrossovers(); } [StorableHook(HookType.AfterDeserialization)] private void Initialize() { Operators.ItemsAdded += new CollectionItemsChangedEventHandler>(Operators_ItemsAdded); Operators.ItemsReplaced += new CollectionItemsChangedEventHandler>(Operators_ItemsReplaced); } private void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs> e) { ParameterizeCrossovers(); } private void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs> e) { ParameterizeCrossovers(); } private void ParameterizeCrossovers() { foreach (IIntegerVectorCrossover crossover in Operators.OfType()) { crossover.ChildParameter.ActualName = ChildParameter.Name; crossover.ParentsParameter.ActualName = ParentsParameter.Name; } foreach (IStochasticOperator crossover in Operators.OfType()) { crossover.RandomParameter.ActualName = RandomParameter.Name; } } } }