#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.Data; using HeuristicLab.Operators; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; using HeuristicLab.Common; using HeuristicLab.Problems.VehicleRouting.ProblemInstances; using HeuristicLab.Problems.VehicleRouting.Interfaces; using HeuristicLab.Problems.VehicleRouting.Variants; namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin { [Item("PotvinVehicleAssignmentMoveMaker", "Peforms the vehicle assignment move on a given VRP encoding and updates the quality.")] [StorableClass] public class PotvinVehicleAssignmentMoveMaker : PotvinMoveMaker, IPotvinVehicleAssignmentMoveOperator, IMoveMaker { public ILookupParameter VehicleAssignmentMoveParameter { get { return (ILookupParameter)Parameters["PotvinVehicleAssignmentMove"]; } } public override ILookupParameter VRPMoveParameter { get { return VehicleAssignmentMoveParameter; } } public ILookupParameter MemoriesParameter { get { return (ILookupParameter)Parameters["Memories"]; } } public IValueParameter AdditionFrequencyMemoryKeyParameter { get { return (IValueParameter)Parameters["AdditionFrequencyMemoryKey"]; } } [StorableConstructor] private PotvinVehicleAssignmentMoveMaker(bool deserializing) : base(deserializing) { } public PotvinVehicleAssignmentMoveMaker() : base() { Parameters.Add(new LookupParameter("PotvinVehicleAssignmentMove", "The moves that should be made.")); Parameters.Add(new LookupParameter("Memories", "The TS memory collection.")); Parameters.Add(new ValueParameter("AdditionFrequencyMemoryKey", "The key that is used for the addition frequency in the TS memory.", new StringValue("AdditionFrequency"))); } public override IDeepCloneable Clone(Cloner cloner) { return new PotvinVehicleAssignmentMoveMaker(this, cloner); } protected PotvinVehicleAssignmentMoveMaker(PotvinVehicleAssignmentMoveMaker original, Cloner cloner) : base(original, cloner) { } public static void Apply(PotvinEncoding solution, PotvinVehicleAssignmentMove move, IVRPProblemInstance problemInstance) { int vehicle1 = solution.VehicleAssignment[move.Tour1]; int vehicle2 = solution.VehicleAssignment[move.Tour2]; solution.VehicleAssignment[move.Tour1] = vehicle2; solution.VehicleAssignment[move.Tour2] = vehicle1; } protected override void PerformMove() { PotvinVehicleAssignmentMove move = VehicleAssignmentMoveParameter.ActualValue; PotvinEncoding newSolution = move.Individual.Clone() as PotvinEncoding; Apply(newSolution, move, ProblemInstance); newSolution.Repair(); VRPToursParameter.ActualValue = newSolution; } } }