#region License Information /* HeuristicLab * Copyright (C) 2002-2015 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.Data; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Selection { /// /// A base class for selection operators which consider a single double quality value for selection. /// [Item("SingleObjectiveSelector", "A base class for selection operators which consider a single double quality value for selection.")] [StorableClass("30F5752E-A14A-4246-89C0-EB29245CACBA")] public abstract class SingleObjectiveSelector : Selector, ISingleObjectiveOperator { protected IValueParameter CopySelectedParameter { get { return (IValueParameter)Parameters["CopySelected"]; } } public IValueLookupParameter NumberOfSelectedSubScopesParameter { get { return (IValueLookupParameter)Parameters["NumberOfSelectedSubScopes"]; } } public IValueLookupParameter MaximizationParameter { get { return (IValueLookupParameter)Parameters["Maximization"]; } } public ILookupParameter> QualityParameter { get { return (ILookupParameter>)Parameters["Quality"]; } } public BoolValue CopySelected { get { return CopySelectedParameter.Value; } set { CopySelectedParameter.Value = value; } } [StorableConstructor] protected SingleObjectiveSelector(bool deserializing) : base(deserializing) { } protected SingleObjectiveSelector(SingleObjectiveSelector original, Cloner cloner) : base(original, cloner) { } protected SingleObjectiveSelector() : base() { Parameters.Add(new ValueParameter("CopySelected", "True if the selected sub-scopes should be copied, otherwise false.", new BoolValue(true))); Parameters.Add(new ValueLookupParameter("NumberOfSelectedSubScopes", "The number of sub-scopes which should be selected.")); Parameters.Add(new ValueLookupParameter("Maximization", "True if the current problem is a maximization problem, otherwise false.")); Parameters.Add(new ScopeTreeLookupParameter("Quality", "The quality value contained in each sub-scope which is used for selection.")); CopySelectedParameter.Hidden = true; } protected bool IsValidQuality(double quality) { return !double.IsNaN(quality) && !double.IsInfinity(quality); } } }