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source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/PickupDelivery/PDRearrange/PotvinPDRearrangeMultiMoveGenerator.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: 3.0 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;
30using HeuristicLab.Data;
31using HeuristicLab.Problems.VehicleRouting.Encodings.General;
32
33namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
34  [Item("PotvinPDRearrangeMultiMoveGenerator", "Generates rearrange moves from a given PDP encoding.")]
35  [StorableClass]
36  public sealed class PotvinPDRearrangeMultiMoveGenerator : PotvinPDRearrangeMoveGenerator, IMultiMoveGenerator, IMultiVRPMoveGenerator {
37    public ILookupParameter<IRandom> RandomParameter {
38      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
39    }
40
41    public IValueLookupParameter<IntValue> SampleSizeParameter {
42      get { return (IValueLookupParameter<IntValue>)Parameters["SampleSize"]; }
43    }
44
45    public override IDeepCloneable Clone(Cloner cloner) {
46      return new PotvinPDRearrangeMultiMoveGenerator(this, cloner);
47    }
48
49    [StorableConstructor]
50    private PotvinPDRearrangeMultiMoveGenerator(bool deserializing) : base(deserializing) { }
51
52    public PotvinPDRearrangeMultiMoveGenerator()
53      : base() {
54      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator."));
55      Parameters.Add(new ValueLookupParameter<IntValue>("SampleSize", "The number of moves to generate."));
56    }
57
58    private PotvinPDRearrangeMultiMoveGenerator(PotvinPDRearrangeMultiMoveGenerator original, Cloner cloner)
59      : base(original, cloner) {
60    }
61
62    protected override PotvinPDRearrangeMove[] GenerateMoves(PotvinEncoding individual, IVRPProblemInstance problemInstance) {
63      List<PotvinPDRearrangeMove> result = new List<PotvinPDRearrangeMove>();
64
65      for (int i = 0; i < SampleSizeParameter.ActualValue.Value; i++) {
66        result.Add(PotvinPDRearrangeSingleMoveGenerator.Apply(individual, ProblemInstance, RandomParameter.ActualValue));
67      }
68
69      return result.ToArray();
70    }
71  }
72}
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