1  #region License Information


2  /* HeuristicLab


3  * Copyright (C) 20022015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)


4  *


5  * This file is part of HeuristicLab.


6  *


7  * HeuristicLab is free software: you can redistribute it and/or modify


8  * it under the terms of the GNU General Public License as published by


9  * the Free Software Foundation, either version 3 of the License, or


10  * (at your option) any later version.


11  *


12  * HeuristicLab is distributed in the hope that it will be useful,


13  * but WITHOUT ANY WARRANTY; without even the implied warranty of


14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the


15  * GNU General Public License for more details.


16  *


17  * You should have received a copy of the GNU General Public License


18  * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.


19  */


20  #endregion


21 


22  using HeuristicLab.Common;


23  using HeuristicLab.Core;


24  using HeuristicLab.Data;


25  using HeuristicLab.Operators;


26  using HeuristicLab.Optimization;


27  using HeuristicLab.Parameters;


28  using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;


29 


30  namespace HeuristicLab.Encodings.PermutationEncoding {


31  [Item("InversionMoveMaker", "Peforms an inversion move (2opt) on a given permutation and updates the quality.")]


32  [StorableClass]


33  public class InversionMoveMaker : SingleSuccessorOperator, IPermutationInversionMoveQualityOperator, IMoveMaker, ISingleObjectiveOperator {


34  public override bool CanChangeName {


35  get { return false; }


36  }


37  public ILookupParameter<DoubleValue> QualityParameter {


38  get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }


39  }


40  public ILookupParameter<DoubleValue> MoveQualityParameter {


41  get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }


42  }


43  public ILookupParameter<InversionMove> InversionMoveParameter {


44  get { return (ILookupParameter<InversionMove>)Parameters["InversionMove"]; }


45  }


46  public ILookupParameter<Permutation> PermutationParameter {


47  get { return (ILookupParameter<Permutation>)Parameters["Permutation"]; }


48  }


49 


50  [StorableConstructor]


51  protected InversionMoveMaker(bool deserializing) : base(deserializing) { }


52  protected InversionMoveMaker(InversionMoveMaker original, Cloner cloner) : base(original, cloner) { }


53  public InversionMoveMaker()


54  : base() {


55  Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of the solution."));


56  Parameters.Add(new LookupParameter<InversionMove>("InversionMove", "The move to evaluate."));


57  Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The relative quality of the move."));


58  Parameters.Add(new LookupParameter<Permutation>("Permutation", "The solution as permutation."));


59  }


60 


61  public override IDeepCloneable Clone(Cloner cloner) {


62  return new InversionMoveMaker(this, cloner);


63  }


64 


65  public override IOperation Apply() {


66  InversionMove move = InversionMoveParameter.ActualValue;


67  Permutation permutation = PermutationParameter.ActualValue;


68  DoubleValue moveQuality = MoveQualityParameter.ActualValue;


69  DoubleValue quality = QualityParameter.ActualValue;


70 


71  InversionManipulator.Apply(permutation, move.Index1, move.Index2);


72  quality.Value = moveQuality.Value;


73 


74  return base.Apply();


75  }


76  }


77  }

