source: branches/MPI/HeuristicLab.Operators.MPISupport/3.3/BinaryTransport/VRP/VRPTransfer.cs @ 12495

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HeuristicLab.Problems.VehicleRouting.Interfaces;
using HeuristicLab.Problems.VehicleRouting.Encodings.Potvin;
using HeuristicLab.Problems.VehicleRouting.Encodings.Alba;
using HeuristicLab.Core;
using HeuristicLab.Problems.VehicleRouting.Encodings.GVR;
using HeuristicLab.Encodings.PermutationEncoding;
using HeuristicLab.Problems.VehicleRouting.Encodings.Prins;
using HeuristicLab.Problems.VehicleRouting.Encodings.Zhu;
using HeuristicLab.Problems.VehicleRouting;

namespace HeuristicLab.Operators.MPISupport.BinaryTransport {
  enum VRPEncodingTypes { Alba, GVR, Potvin, Prins, Zhu }
  
  [Serializable]
  class VRPTransfer {
    public VRPEncodingTypes VRPEncodingType { get; set; }

    public List<int> Route { get; set; }

    public static VRPTransfer Convert(IVRPEncoding item) {
      VRPTransfer result = new VRPTransfer();

      if (item is AlbaEncoding)
        result.VRPEncodingType = VRPEncodingTypes.Alba;
      else if (item is GVREncoding)
        result.VRPEncodingType = VRPEncodingTypes.GVR;
      else if (item is PotvinEncoding)
        result.VRPEncodingType = VRPEncodingTypes.Potvin;
      else if (item is PrinsEncoding)
        result.VRPEncodingType = VRPEncodingTypes.Prins;
      else if (item is ZhuEncoding)
        result.VRPEncodingType = VRPEncodingTypes.Zhu;

      int tourIdx = 0;
      result.Route = new List<int>();
      foreach (Tour tour in item.GetTours()) {
        foreach (int stop in tour.Stops) {
          result.Route.Add(stop);
        }
        result.Route.Add(-item.GetVehicleAssignment(tourIdx));
        tourIdx++;
      }

      return result;
    }

    public static IVRPEncoding Convert(VRPTransfer item, IExecutionContext globalScope) {
      IVRPEncoding result = null;

      IVRPProblemInstance instance = (globalScope.Parameters["ProblemInstance"] as IValueParameter).Value as IVRPProblemInstance;

      if (item.VRPEncodingType == VRPEncodingTypes.Alba)
        result = AlbaEncoding.ConvertFrom(item.Route, instance);
      else if (item.VRPEncodingType == VRPEncodingTypes.GVR)
        result = GVREncoding.ConvertFrom(item.Route, instance);
      else if (item.VRPEncodingType == VRPEncodingTypes.Potvin)
        result = PotvinEncoding.ConvertFrom(item.Route, instance);
      else if (item.VRPEncodingType == VRPEncodingTypes.Prins)
        result = PrinsEncoding.ConvertFrom(item.Route, instance);
      else if (item.VRPEncodingType == VRPEncodingTypes.Zhu)
        result = ZhuEncoding.ConvertFrom(item.Route, instance);

      return result;
    }
  }
}