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source: branches/VNS/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/Alba/Moves/IntraRouteInversion/AlbaIntraRouteInversionMoveGenerator.cs @ 5594

Last change on this file since 5594 was 5445, checked in by swagner, 14 years ago

Updated year of copyrights (#1406)

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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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
22using HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Optimization;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
29  [Item("AlbaIntraRouteInversionMoveGenerator", "Generates intra route inversion moves from a given VRP encoding.  It is implemented as described in Alba, E. and Dorronsoro, B. (2004). Solving the Vehicle Routing Problem by Using Cellular Genetic Algorithms.")]
30  [StorableClass]
31  public abstract class AlbaIntraRouteInversionMoveGenerator : AlbaMoveOperator, IExhaustiveMoveGenerator, IAlbaIntraRouteInversionMoveOperator {
32    public ILookupParameter<AlbaIntraRouteInversionMove> IntraRouteInversionMoveParameter {
33      get { return (ILookupParameter<AlbaIntraRouteInversionMove>)Parameters["AlbaIntraRouteInversionMove"]; }
34    }
35
36    protected ScopeParameter CurrentScopeParameter {
37      get { return (ScopeParameter)Parameters["CurrentScope"]; }
38    }
39
40    [StorableConstructor]
41    protected AlbaIntraRouteInversionMoveGenerator(bool deserializing) : base(deserializing) { }
42    protected AlbaIntraRouteInversionMoveGenerator(AlbaIntraRouteInversionMoveGenerator original, Cloner cloner) : base(original, cloner) { }
43    public AlbaIntraRouteInversionMoveGenerator()
44      : base() {
45      Parameters.Add(new LookupParameter<AlbaIntraRouteInversionMove>("AlbaIntraRouteInversionMove", "The moves that should be generated in subscopes."));
46      Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
47    }
48
49    protected abstract AlbaIntraRouteInversionMove[] GenerateMoves(AlbaEncoding individual);
50
51    public override IOperation Apply() {
52      IOperation next = base.Apply();
53
54      AlbaEncoding individual = VRPToursParameter.ActualValue as AlbaEncoding;
55      AlbaIntraRouteInversionMove[] moves = GenerateMoves(individual);
56      Scope[] moveScopes = new Scope[moves.Length];
57      for (int i = 0; i < moveScopes.Length; i++) {
58        moveScopes[i] = new Scope(i.ToString());
59        moveScopes[i].Variables.Add(new Variable(IntraRouteInversionMoveParameter.ActualName, moves[i]));
60      }
61      CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
62
63      return next;
64    }
65  }
66}
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