#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.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Operators { [Item("LocalRandomCreator", "Creates a local pseudo random number generator from a global random number generator.")] [StorableClass] public sealed class LocalRandomCreator : SingleSuccessorOperator { #region Parameter Properties public LookupParameter GlobalRandomParameter { get { return (LookupParameter)Parameters["GlobalRandom"]; } } public LookupParameter LocalRandomParameter { get { return (LookupParameter)Parameters["LocalRandom"]; } } #endregion [StorableConstructor] private LocalRandomCreator(bool deserializing) : base(deserializing) { } private LocalRandomCreator(LocalRandomCreator original, Cloner cloner) : base(original, cloner) { } public LocalRandomCreator() : base() { #region Create parameters Parameters.Add(new LookupParameter("GlobalRandom", "The global random number generator which is used to initialize the local random number generator.")); Parameters.Add(new LookupParameter("LocalRandom", "The local pseudo random number generator.")); #endregion } public override IDeepCloneable Clone(Cloner cloner) { return new LocalRandomCreator(this, cloner); } public override IOperation Apply() { IRandom globalRandom = GlobalRandomParameter.ActualValue; IRandom localRandom = (IRandom)globalRandom.Clone(); localRandom.Reset(globalRandom.Next()); LocalRandomParameter.ActualValue = localRandom; return base.Apply(); } } }