#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 System; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Data; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Termination { [Item("ThresholdTerminator", "Base class for all termination criteria which specifies some threshold.")] [StorableClass] public abstract class ThresholdTerminator : Terminator, ISingleValueTerminator where T : class, IItem, IStringConvertibleValue, new() { [Storable] private IFixedValueParameter thresholdParameter; public IFixedValueParameter ThresholdParameter { get { return thresholdParameter; } set { if (value == null) throw new ArgumentNullException("Threshold parameter must not be null."); if (value.Value == null) throw new ArgumentNullException("Threshold parameter value must not be null."); if (thresholdParameter == value) return; if (thresholdParameter != null) Parameters.Remove(thresholdParameter); thresholdParameter = value; Parameters.Add(thresholdParameter); OnThresholdParameterChanged(); } } IParameter ISingleValueTerminator.ThresholdParameter { get { return ThresholdParameter; } } public T Threshold { get { return ThresholdParameter.Value; } } [StorableConstructor] protected ThresholdTerminator(bool deserializing) : base(deserializing) { } [StorableHook(HookType.AfterDeserialization)] private void AfterDeserialization() { Initialize(); } protected ThresholdTerminator(ThresholdTerminator original, Cloner cloner) : base(original, cloner) { thresholdParameter = cloner.Clone(original.thresholdParameter); Initialize(); } protected ThresholdTerminator() : this(new T()) { } protected ThresholdTerminator(T threshold) : base() { if (threshold == null) throw new ArgumentNullException("threshold"); thresholdParameter = new FixedValueParameter("Threshold", "The limit of the termiation criterion.", threshold); Parameters.Add(thresholdParameter); Initialize(); } private void Initialize() { RegisterThresholdParameterEvents(); } private void Threshold_ValueChanged(object sender, EventArgs e) { OnThresholdChanged(); } protected virtual void OnThresholdChanged() { OnToStringChanged(); } private void OnThresholdParameterChanged() { RegisterThresholdParameterEvents(); } private void RegisterThresholdParameterEvents() { Threshold.ValueChanged += new EventHandler(Threshold_ValueChanged); } public override string ToString() { if (ThresholdParameter.Value == null) return Name; else return Name + ": " + ThresholdParameter.Value; } } }