source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Alba/Moves/ThreeOpt/AlbaTranslocationMoveEvaluator.cs @ 4383

#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
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 * HeuristicLab is distributed in the hope that it will be useful,
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
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#endregion

using HeuristicLab.Core;
using HeuristicLab.Encodings.PermutationEncoding;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Problems.VehicleRouting.Encodings.Alba;

namespace HeuristicLab.Problems.VehicleRouting {
  [Item("AlbaTranslocationMoveEvaluator", "Evaluates a translocation or insertion move (3-opt) 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 AlbaTranslocationMoveEvaluator : AlbaMoveEvaluator, IAlbaTranslocationMoveOperator {
    public ILookupParameter<TranslocationMove> TranslocationMoveParameter {
      get { return (ILookupParameter<TranslocationMove>)Parameters["TranslocationMove"]; }
      set { Parameters["TranslocationMove"].ActualValue = value.ActualValue; }
    }

    public override ILookupParameter VRPMoveParameter {
      get { return TranslocationMoveParameter; }
    }

    [StorableConstructor]
    private AlbaTranslocationMoveEvaluator(bool deserializing) : base(deserializing) { }

    public AlbaTranslocationMoveEvaluator()
      : base() {
      Parameters.Add(new LookupParameter<TranslocationMove>("TranslocationMove", "The move to evaluate."));
    }

    protected override void EvaluateMove() {
      TranslocationMove move = TranslocationMoveParameter.ActualValue;
      //perform move
      AlbaEncoding newSolution = move.Permutation.Clone() as AlbaEncoding;
      TranslocationManipulator.Apply(newSolution, move.Index1, move.Index2, move.Index3);

      UpdateEvaluation(newSolution);
    }
  }
}