#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 HeuristicLab.Core; using HeuristicLab.Encodings.PermutationEncoding; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; using HeuristicLab.Data; namespace HeuristicLab.Problems.VehicleRouting.Encodings.Prins { [Item("PrinsPermutationManipulator", "An operator which manipulates a VRP representation by using a standard permutation manipulator. It is implemented as described in Prins, C. (2004). A simple and effective evolutionary algorithm for the vehicle routing problem. Computers & Operations Research, 12:1985-2002.")] [StorableClass] public sealed class PrinsPermutationManipulator : PrinsManipulator { public IValueLookupParameter InnerManipulatorParameter { get { return (IValueLookupParameter)Parameters["InnerManipulator"]; } } [StorableConstructor] private PrinsPermutationManipulator(bool deserializing) : base(deserializing) { } public PrinsPermutationManipulator() : base() { Parameters.Add(new ValueLookupParameter("InnerManipulator", "The permutation manipulator.", new TranslocationManipulator())); } protected override void Manipulate(IRandom random, PrinsEncoding individual) { InnerManipulatorParameter.ActualValue.PermutationParameter.ActualName = VRPToursParameter.ActualName; IAtomicOperation op = this.ExecutionContext.CreateOperation( InnerManipulatorParameter.ActualValue, this.ExecutionContext.Scope); op.Operator.Execute((IExecutionContext)op); } } }