#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; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Data; using HeuristicLab.Operators; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Clients.OKB { [Item("EmptySingleObjectiveEvaluator", "A dummy single-objective evaluator which throws an exception when executed.")] [StorableClass] public sealed class EmptySingleObjectiveEvaluator : Operator, ISingleObjectiveEvaluator { private string exceptionMessage; public override bool CanChangeName { get { return false; } } public override bool CanChangeDescription { get { return false; } } public ILookupParameter QualityParameter { get { return (ILookupParameter)Parameters["Quality"]; } } #region Persistence Properties [Storable(Name = "ExceptionMessage")] private string ExceptionMessage { get { return exceptionMessage; } set { exceptionMessage = value; } } #endregion [StorableConstructor] private EmptySingleObjectiveEvaluator(bool deserializing) : base(deserializing) { } private EmptySingleObjectiveEvaluator(EmptySingleObjectiveEvaluator original, Cloner cloner) : base(original, cloner) { exceptionMessage = original.exceptionMessage; } public EmptySingleObjectiveEvaluator() : base() { Parameters.Add(new LookupParameter("Quality", "The evaluated quality of a solution.")); } public EmptySingleObjectiveEvaluator(string exceptionMessage) : this() { this.exceptionMessage = exceptionMessage; } public override IDeepCloneable Clone(Cloner cloner) { return new EmptySingleObjectiveEvaluator(this, cloner); } public override IOperation Apply() { throw new InvalidOperationException(string.IsNullOrEmpty(exceptionMessage) ? "Cannot execute an EmptySingleObjectiveEvaluator. Please choose an appropriate solution evaluator." : exceptionMessage); } } }