#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.Data; using HeuristicLab.Encodings.PermutationEncoding; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; using HeuristicLab.Problems.VehicleRouting.Interfaces; namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba { [Item("AlbaStochasticTranslocationSingleMoveGenerator", "An operator which generates a single translocation move for a VRP representation. It is implemented as described in Alba, E. and Dorronsoro, B. (2004). Solving the Vehicle Routing Problem by Using Cellular Genetic Algorithms.")] [StorableClass] public sealed class AlbaStochasticTranslocationSingleMoveGenerator : AlbaMoveGenerator, IAlbaTranslocationMoveOperator { [Storable] private TranslocationMoveGenerator generator = new StochasticTranslocationSingleMoveGenerator(); public ILookupParameter TranslocationMoveParameter { get { return generator.TranslocationMoveParameter; } } public override ILookupParameter VRPMoveParameter { get { return TranslocationMoveParameter; } } public ILookupParameter PermutationParameter { get { return generator.PermutationParameter; } } public IValueLookupParameter SampleSizeParameter { get { return (IValueLookupParameter)Parameters["SampleSize"]; } } [StorableConstructor] private AlbaStochasticTranslocationSingleMoveGenerator(bool deserializing) : base(deserializing) { } public AlbaStochasticTranslocationSingleMoveGenerator() : base() { } public override IDeepCloneable Clone(Cloner cloner) { return new AlbaStochasticTranslocationSingleMoveGenerator(this, cloner); } private AlbaStochasticTranslocationSingleMoveGenerator(AlbaStochasticTranslocationSingleMoveGenerator original, Cloner cloner) : base(original, cloner) { } public override IOperation InstrumentedApply() { IOperation next = base.InstrumentedApply(); IVRPEncoding solution = VRPToursParameter.ActualValue; generator.PermutationParameter.ActualName = VRPToursParameter.ActualName; IAtomicOperation op = this.ExecutionContext.CreateChildOperation(generator); op.Operator.Execute((IExecutionContext)op, CancellationToken); foreach (IScope scope in this.ExecutionContext.Scope.SubScopes) { IVariable moveVariable = scope.Variables[ TranslocationMoveParameter.ActualName]; if (moveVariable.Value is TranslocationMove && !(moveVariable.Value is AlbaTranslocationMove)) { TranslocationMove move = moveVariable.Value as TranslocationMove; moveVariable.Value = new AlbaTranslocationMove( move.Index1, move.Index2, move.Index3, solution as AlbaEncoding); } } return next; } } }