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source: branches/2707_HeuristicLab.VRPEnhancements/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/PickupDelivery/PDExchange/PotvinPDExchangeMoveGenerator.cs @ 17010

Last change on this file since 17010 was 17010, checked in by pfleck, 5 years ago

#2707 Merged trunk into branch

File size: 3.1 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Parameters;
25using HEAL.Attic;
26using HeuristicLab.Problems.VehicleRouting.Interfaces;
27
28namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
29  [Item("PotvinPDExchangeMoveGenerator", "Generates exchange moves from a given PDP encoding.")]
30  [StorableType("1E0B89BB-5290-4D7B-8D4E-27667D29B2CE")]
31  public abstract class PotvinPDExchangeMoveGenerator : PotvinMoveGenerator, IPotvinPDExchangeMoveOperator {
32    public ILookupParameter<PotvinPDExchangeMove> PDExchangeMoveParameter {
33      get { return (ILookupParameter<PotvinPDExchangeMove>)Parameters["PotvinPDExchangeMove"]; }
34    }
35
36    public override ILookupParameter VRPMoveParameter {
37      get { return PDExchangeMoveParameter; }
38    }
39
40    protected ScopeParameter CurrentScopeParameter {
41      get { return (ScopeParameter)Parameters["CurrentScope"]; }
42    }
43
44    [StorableConstructor]
45    protected PotvinPDExchangeMoveGenerator(StorableConstructorFlag _) : base(_) { }
46
47    public PotvinPDExchangeMoveGenerator()
48      : base() {
49      Parameters.Add(new LookupParameter<PotvinPDExchangeMove>("PotvinPDExchangeMove", "The moves that should be generated in subscopes."));
50      Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
51    }
52
53    protected PotvinPDExchangeMoveGenerator(PotvinPDExchangeMoveGenerator original, Cloner cloner)
54      : base(original, cloner) {
55    }
56
57    protected abstract PotvinPDExchangeMove[] GenerateMoves(PotvinEncoding individual, IVRPProblemInstance problemInstance);
58
59    public override IOperation InstrumentedApply() {
60      IOperation next = base.InstrumentedApply();
61
62      PotvinEncoding individual = VRPToursParameter.ActualValue as PotvinEncoding;
63      PotvinPDExchangeMove[] moves = GenerateMoves(individual, ProblemInstance);
64      Scope[] moveScopes = new Scope[moves.Length];
65      for (int i = 0; i < moveScopes.Length; i++) {
66        moveScopes[i] = new Scope(i.ToString());
67        moveScopes[i].Variables.Add(new Variable(PDExchangeMoveParameter.ActualName, moves[i]));
68      }
69      CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
70
71      return next;
72    }
73  }
74}
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