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source: stable/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/CustomerRelocation/PotvinCustomerRelocationMultiMoveGenerator.cs @ 15802

Last change on this file since 15802 was 15584, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers on stable

File size: 3.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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.Collections.Generic;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29using HeuristicLab.Problems.VehicleRouting.Encodings.General;
30using HeuristicLab.Problems.VehicleRouting.Interfaces;
31
32namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
33  [Item("PotvinCustomerRelocationMultiMoveGenerator", "Generates customer relocation moves from a given VRP encoding.")]
34  [StorableClass]
35  public sealed class PotvinCustomerRelocationMultiMoveGenerator : PotvinCustomerRelocationMoveGenerator, IMultiMoveGenerator, IMultiVRPMoveGenerator {
36    public ILookupParameter<IRandom> RandomParameter {
37      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
38    }
39
40    public IValueLookupParameter<IntValue> SampleSizeParameter {
41      get { return (IValueLookupParameter<IntValue>)Parameters["SampleSize"]; }
42    }
43
44    public override IDeepCloneable Clone(Cloner cloner) {
45      return new PotvinCustomerRelocationMultiMoveGenerator(this, cloner);
46    }
47
48    [StorableConstructor]
49    private PotvinCustomerRelocationMultiMoveGenerator(bool deserializing) : base(deserializing) { }
50
51    public PotvinCustomerRelocationMultiMoveGenerator()
52      : base() {
53      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator."));
54      Parameters.Add(new ValueLookupParameter<IntValue>("SampleSize", "The number of moves to generate."));
55    }
56
57    private PotvinCustomerRelocationMultiMoveGenerator(PotvinCustomerRelocationMultiMoveGenerator original, Cloner cloner)
58      : base(original, cloner) {
59    }
60
61    protected override PotvinCustomerRelocationMove[] GenerateMoves(PotvinEncoding individual, IVRPProblemInstance problemInstance) {
62      List<PotvinCustomerRelocationMove> result = new List<PotvinCustomerRelocationMove>();
63
64      for (int i = 0; i < SampleSizeParameter.ActualValue.Value; i++) {
65        result.Add(PotvinCustomerRelocationSingleMoveGenerator.Apply(individual, ProblemInstance, RandomParameter.ActualValue));
66      }
67
68      return result.ToArray();
69    }
70  }
71}
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