#region License Information /* HeuristicLab * Copyright (C) 2002-2012 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.Collections.Generic; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Data; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Selection { /// /// An operator which selects sub-scopes from left to right. /// [Item("LeftSelector", "An operator which selects sub-scopes from left to right.")] [StorableClass] public sealed class LeftSelector : Selector { private IValueParameter CopySelectedParameter { get { return (IValueParameter)Parameters["CopySelected"]; } } public IValueLookupParameter NumberOfSelectedSubScopesParameter { get { return (ValueLookupParameter)Parameters["NumberOfSelectedSubScopes"]; } } public BoolValue CopySelected { get { return CopySelectedParameter.Value; } set { CopySelectedParameter.Value = value; } } [StorableConstructor] private LeftSelector(bool deserializing) : base(deserializing) { } private LeftSelector(LeftSelector original, Cloner cloner) : base(original, cloner) { } public override IDeepCloneable Clone(Cloner cloner) { return new LeftSelector(this, cloner); } public LeftSelector() : 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.")); CopySelectedParameter.Hidden = true; } protected override IScope[] Select(List scopes) { int count = NumberOfSelectedSubScopesParameter.ActualValue.Value; bool copy = CopySelectedParameter.Value.Value; IScope[] selected = new IScope[count]; int j = 0; for (int i = 0; i < count; i++) { if (copy) { selected[i] = (IScope)scopes[j].Clone(); j++; if (j >= scopes.Count) j = 0; } else { selected[i] = scopes[0]; scopes.RemoveAt(0); } } return selected; } } }