#region License Information /* HeuristicLab * Copyright (C) 2002-2016 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.Operators; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Problems.PTSP { [Item("TwoPointFiveMoveMaker", "Peforms an inversion and shift (2.5-opt) on a given permutation and updates the quality.")] [StorableClass] public class TwoPointFiveMoveMaker : SingleSuccessorOperator, ITwoPointFiveMoveOperator, IMoveMaker { public override bool CanChangeName { get { return false; } } public ILookupParameter QualityParameter { get { return (ILookupParameter)Parameters["Quality"]; } } public ILookupParameter MoveQualityParameter { get { return (ILookupParameter)Parameters["MoveQuality"]; } } public ILookupParameter TwoPointFiveMoveParameter { get { return (ILookupParameter)Parameters["TwoPointFiveMove"]; } } public ILookupParameter PermutationParameter { get { return (ILookupParameter)Parameters["Permutation"]; } } [StorableConstructor] protected TwoPointFiveMoveMaker(bool deserializing) : base(deserializing) { } protected TwoPointFiveMoveMaker(TwoPointFiveMoveMaker original, Cloner cloner) : base(original, cloner) { } public TwoPointFiveMoveMaker() : base() { Parameters.Add(new LookupParameter("Quality", "The quality of the solution.")); Parameters.Add(new LookupParameter("TwoPointFiveMove", "The move to evaluate.")); Parameters.Add(new LookupParameter("MoveQuality", "The relative quality of the move.")); Parameters.Add(new LookupParameter("Permutation", "The solution as permutation.")); } public override IDeepCloneable Clone(Cloner cloner) { return new TwoPointFiveMoveMaker(this, cloner); } public override IOperation Apply() { var move = TwoPointFiveMoveParameter.ActualValue; var permutation = PermutationParameter.ActualValue; var moveQuality = MoveQualityParameter.ActualValue; var quality = QualityParameter.ActualValue; Apply(permutation, move); quality.Value = moveQuality.Value; return base.Apply(); } public static void Apply(Permutation permutation, TwoPointFiveMove move) { if (move.IsInvert) { InversionManipulator.Apply(permutation, move.Index1, move.Index2); } else { TranslocationManipulator.Apply(permutation, move.Index1, move.Index1, move.Index2); } } } }