#region License Information /* HeuristicLab * Copyright (C) 2002-2018 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; using System.Collections.Generic; using System.Linq; using System.Reflection; using HeuristicLab.Collections; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Operators; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; using HeuristicLab.PluginInfrastructure; namespace HeuristicLab.Encodings.LinearLinkageEncoding { [Item("Multi LLE Manipulator", "Randomly selects and applies one of its manipulators every time it is called.")] [StorableClass] public class MultiLinearLinkageManipulator : StochasticMultiBranch, ILinearLinkageManipulator, IStochasticOperator { public override bool CanChangeName { get { return false; } } protected override bool CreateChildOperation { get { return true; } } public ILookupParameter LLEParameter { get { return (ILookupParameter)Parameters["LLE"]; } } [StorableConstructor] protected MultiLinearLinkageManipulator(bool deserializing) : base(deserializing) { } protected MultiLinearLinkageManipulator(MultiLinearLinkageManipulator original, Cloner cloner) : base(original, cloner) { } public MultiLinearLinkageManipulator() : base() { Parameters.Add(new LookupParameter("LLE", "The encoding vector that is to be manipulated.")); foreach (Type type in ApplicationManager.Manager.GetTypes(typeof(ILinearLinkageManipulator), typeof(LinearLinkageEncoding).Assembly)) { if (!typeof(MultiOperator).IsAssignableFrom(type)) Operators.Add((ILinearLinkageManipulator)Activator.CreateInstance(type), true); } SelectedOperatorParameter.ActualName = "SelectedManipulationOperator"; } public override IDeepCloneable Clone(Cloner cloner) { return new MultiLinearLinkageManipulator(this, cloner); } protected override void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs> e) { base.Operators_ItemsReplaced(sender, e); ParameterizeManipulators(e.Items); } protected override void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs> e) { base.Operators_ItemsAdded(sender, e); ParameterizeManipulators(e.Items); } private void ParameterizeManipulators(IEnumerable> manipulators) { foreach (var m in manipulators.Select(x => x.Value)) { m.LLEParameter.ActualName = LLEParameter.Name; var stOp = m as IStochasticOperator; if (stOp != null) stOp.RandomParameter.ActualName = RandomParameter.Name; } } public override IOperation InstrumentedApply() { if (Operators.Count == 0) throw new InvalidOperationException(Name + ": Please add at least one LLE manipulator to choose from."); return base.InstrumentedApply(); } } }