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source: branches/DynamicVehicleRouting/HeuristicLab.PDPSimulation/3.3/Operators/Moves/Rearrange/PotvinPDRearrangeMultiMoveGenerator.cs @ 8670

Last change on this file since 8670 was 8670, checked in by svonolfe, 12 years ago

Added first version of the dynamic vehicle routing addon (#1955)

File size: 3.1 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;
32using HeuristicLab.Problems.VehicleRouting.Encodings.Potvin;
33
34namespace HeuristicLab.PDPSimulation.Operators {
35  [Item("DynPotvinPDRearrangeMultiMoveGenerator", "Generates rearrange moves from a given PDP encoding.")]
36  [StorableClass]
37  public sealed class DynPotvinPDRearrangeMultiMoveGenerator : DynPotvinPDRearrangeMoveGenerator, IMultiMoveGenerator, IMultiVRPMoveGenerator {
38    public ILookupParameter<IRandom> RandomParameter {
39      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
40    }
41
42    public IValueLookupParameter<IntValue> SampleSizeParameter {
43      get { return (IValueLookupParameter<IntValue>)Parameters["SampleSize"]; }
44    }
45
46    public override IDeepCloneable Clone(Cloner cloner) {
47      return new DynPotvinPDRearrangeMultiMoveGenerator(this, cloner);
48    }
49
50    [StorableConstructor]
51    private DynPotvinPDRearrangeMultiMoveGenerator(bool deserializing) : base(deserializing) { }
52
53    public DynPotvinPDRearrangeMultiMoveGenerator()
54      : base() {
55      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator."));
56      Parameters.Add(new ValueLookupParameter<IntValue>("SampleSize", "The number of moves to generate."));
57    }
58
59    private DynPotvinPDRearrangeMultiMoveGenerator(DynPotvinPDRearrangeMultiMoveGenerator original, Cloner cloner)
60      : base(original, cloner) {
61    }
62
63    protected override DynPotvinPDRearrangeMove[] GenerateMoves(PotvinEncoding individual, IVRPProblemInstance problemInstance) {
64      List<DynPotvinPDRearrangeMove> result = new List<DynPotvinPDRearrangeMove>();
65
66      for (int i = 0; i < SampleSizeParameter.ActualValue.Value; i++) {
67        var move = DynPotvinPDRearrangeSingleMoveGenerator.Apply(individual, ProblemInstance, RandomParameter.ActualValue);
68        if (move != null)
69          result.Add(move);
70      }
71
72      return result.ToArray();
73    }
74  }
75}
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