source: trunk/sources/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/Alba/Moves/IntraRouteInversion/IntraRouteInversionMoveGenerator.cs @ 4207

#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,
 * 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.
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 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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#endregion

using System;
using HeuristicLab.Core;
using HeuristicLab.Optimization;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Problems.VehicleRouting.Encodings.Alba;
using HeuristicLab.Parameters;
using System.Collections.Generic;

namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
  [Item("IntraRouteInversionMoveGenerator", "Generates intra route inversion moves from a given VRP encoding.")]
  [StorableClass]
  public abstract class IntraRouteInversionMoveGenerator : AlbaMoveOperator, IExhaustiveMoveGenerator, IAlbaIntraRouteInversionMoveOperator {
    public ILookupParameter<IntraRouteInversionMove> IntraRouteInversionMoveParameter {
      get { return (ILookupParameter<IntraRouteInversionMove>)Parameters["IntraRouteInversionMove"]; }
    }

    protected ScopeParameter CurrentScopeParameter {
      get { return (ScopeParameter)Parameters["CurrentScope"]; }
    }

    [StorableConstructor]
    protected IntraRouteInversionMoveGenerator(bool deserializing) : base(deserializing) { }

    public IntraRouteInversionMoveGenerator()
      : base() {
        Parameters.Add(new LookupParameter<IntraRouteInversionMove>("IntraRouteInversionMove", "The moves that should be generated in subscopes."));
        Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
    }

    protected abstract IntraRouteInversionMove[] GenerateMoves(AlbaEncoding individual);

    public override IOperation Apply() {
      IOperation next = base.Apply();

      AlbaEncoding individual = VRPToursParameter.ActualValue as AlbaEncoding;
      IntraRouteInversionMove[] moves = GenerateMoves(individual);
      Scope[] moveScopes = new Scope[moves.Length];
      for (int i = 0; i < moveScopes.Length; i++) {
        moveScopes[i] = new Scope(i.ToString());
        moveScopes[i].Variables.Add(new Variable(IntraRouteInversionMoveParameter.ActualName, moves[i]));
      }
      CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);

      return next;
    }
  }
}