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source: trunk/sources/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/Alba/Moves/IntraRouteInversion/StochasticIntraRouteInversionMutliMoveGenerator.cs @ 4206

Last change on this file since 4206 was 4206, checked in by svonolfe, 14 years ago

Updated naming and description of the VRP operators (#1039)

File size: 2.7 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.Problems.VehicleRouting.Encodings.Alba;
27using HeuristicLab.Parameters;
28using System.Collections.Generic;
29using HeuristicLab.Data;
30
31namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
32  [Item("StochasticIntraRouteInversionMultiMoveGenerator", "Generates multiple random intra route inversion moves from a given VRP encoding.")]
33  [StorableClass]
34  public sealed class StochasticIntraRouteInversionMultiMoveGenerator : IntraRouteInversionMoveGenerator, IStochasticOperator, IMultiMoveGenerator, IAlbaIntraRouteInversionMoveOperator {
35    public ILookupParameter<IRandom> RandomParameter {
36      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
37    }
38
39    public IValueLookupParameter<IntValue> SampleSizeParameter {
40      get { return (IValueLookupParameter<IntValue>)Parameters["SampleSize"]; }
41    }
42   
43    [StorableConstructor]
44    private StochasticIntraRouteInversionMultiMoveGenerator(bool deserializing) : base(deserializing) { }
45
46    public StochasticIntraRouteInversionMultiMoveGenerator()
47      : base() {
48        Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator."));
49        Parameters.Add(new ValueLookupParameter<IntValue>("SampleSize", "The number of moves to generate."));
50    }
51
52    protected override IntraRouteInversionMove[] GenerateMoves(AlbaEncoding individual) {
53      int sampleSize = SampleSizeParameter.ActualValue.Value;
54
55      IntraRouteInversionMove[] moves = new IntraRouteInversionMove[sampleSize];
56      for (int i = 0; i < sampleSize; i++) {
57        moves[i] = StochasticIntraRouteInversionSingleMoveGenerator.Apply(
58          individual, Cities, RandomParameter.ActualValue);
59      }
60
61      return moves;
62    }
63  }
64}
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