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source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/PickupDelivery/PDRearrange/PotvinPDRearrangeMoveGenerator.cs @ 6773

Last change on this file since 6773 was 6773, checked in by svonolfe, 13 years ago

Added moves for pickup and delivery problems (#1177)

File size: 3.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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 System;
23using HeuristicLab.Core;
24using HeuristicLab.Optimization;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26using HeuristicLab.Parameters;
27using System.Collections.Generic;
28using HeuristicLab.Problems.VehicleRouting.Interfaces;
29using HeuristicLab.Common;
30
31namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
32  [Item("PotvinPDRearrangeMoveGenerator", "Generates rearrange moves from a given PDP encoding.")]
33  [StorableClass]
34  public abstract class PotvinPDRearrangeMoveGenerator : PotvinMoveGenerator, IPotvinPDRearrangeMoveOperator {
35    public ILookupParameter<PotvinPDRearrangeMove> PDRearrangeMoveParameter {
36      get { return (ILookupParameter<PotvinPDRearrangeMove>)Parameters["PotvinPDRearrangeMove"]; }
37    }
38
39    public override ILookupParameter VRPMoveParameter {
40      get { return PDRearrangeMoveParameter; }
41    }
42
43    protected ScopeParameter CurrentScopeParameter {
44      get { return (ScopeParameter)Parameters["CurrentScope"]; }
45    }
46
47    [StorableConstructor]
48    protected PotvinPDRearrangeMoveGenerator(bool deserializing) : base(deserializing) { }
49
50    public PotvinPDRearrangeMoveGenerator()
51      : base() {
52        Parameters.Add(new LookupParameter<PotvinPDRearrangeMove>("PotvinPDRearrangeMove", "The moves that should be generated in subscopes."));
53        Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
54    }
55
56    protected PotvinPDRearrangeMoveGenerator(PotvinPDRearrangeMoveGenerator original, Cloner cloner)
57      : base(original, cloner) {
58    }
59
60    protected abstract PotvinPDRearrangeMove[] GenerateMoves(PotvinEncoding individual, IVRPProblemInstance problemInstance);
61
62    public override IOperation Apply() {
63      IOperation next = base.Apply();
64
65      PotvinEncoding individual = VRPToursParameter.ActualValue as PotvinEncoding;
66      PotvinPDRearrangeMove[] moves = GenerateMoves(individual, ProblemInstance);
67      Scope[] moveScopes = new Scope[moves.Length];
68      for (int i = 0; i < moveScopes.Length; i++) {
69        moveScopes[i] = new Scope(i.ToString());
70        moveScopes[i].Variables.Add(new Variable(PDRearrangeMoveParameter.ActualName, moves[i]));
71      }
72      CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
73
74      return next;
75    }
76  }
77}
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