source: branches/PTSP/HeuristicLab.Problems.PTSP/3.3/MoveMakers/TwoPointFiveMoveMaker.cs @ 12272

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, I25MoveOperator, IMoveMaker {
    public override bool CanChangeName {
      get { return false; }
    }
    public ILookupParameter<DoubleValue> QualityParameter {
      get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
    }
    public ILookupParameter<DoubleValue> MoveQualityParameter {
      get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }
    }
    public ILookupParameter<TwoPointFiveMove> TwoPointFiveMoveParameter {
      get { return (ILookupParameter<TwoPointFiveMove>)Parameters["TwoPointFiveMove"]; }
    }
    public ILookupParameter<Permutation> PermutationParameter {
      get { return (ILookupParameter<Permutation>)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<DoubleValue>("Quality", "The quality of the solution."));
      Parameters.Add(new LookupParameter<TwoPointFiveMove>("TwoPointFiveMove", "The move to evaluate."));
      Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The relative quality of the move."));
      Parameters.Add(new LookupParameter<Permutation>("Permutation", "The solution as permutation."));
    }

    public override IDeepCloneable Clone(Cloner cloner) {
      return new TwoPointFiveMoveMaker(this, cloner);
    }

    public override IOperation Apply() {
      TwoPointFiveMove move = TwoPointFiveMoveParameter.ActualValue;
      Permutation permutation = PermutationParameter.ActualValue;
      DoubleValue moveQuality = MoveQualityParameter.ActualValue;
      DoubleValue quality = QualityParameter.ActualValue;

      if (move.IsInvert) {
        InversionManipulator.Apply(permutation, move.Index1, move.Index2);
      } else {
        TranslocationManipulator.Apply(permutation, move.Index1, move.Index1, move.Index2);
      }
      
      quality.Value = moveQuality.Value;

      return base.Apply();
    }
  }
}