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source: trunk/sources/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/Alba/Crossovers/AlbaCrossover.cs @ 5698

Last change on this file since 5698 was 5445, checked in by swagner, 14 years ago

Updated year of copyrights (#1406)

File size: 2.7 KB
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[4150]1#region License Information
2/* HeuristicLab
[5445]3 * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[4150]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
[4722]22using HeuristicLab.Common;
[4150]23using HeuristicLab.Core;
[4722]24using HeuristicLab.Optimization;
[4150]25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
[4206]29  [Item("AlbaCrossover", "An operator which crosses two VRP representations.")]
[4150]30  [StorableClass]
[4204]31  public abstract class AlbaCrossover : VRPCrossover, IStochasticOperator {
32    public ILookupParameter<IRandom> RandomParameter {
33      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
[4150]34    }
[4722]35
[4179]36    [StorableConstructor]
[4204]37    protected AlbaCrossover(bool deserializing) : base(deserializing) { }
[4722]38    protected AlbaCrossover(AlbaCrossover original, Cloner cloner) : base(original, cloner) { }
[4177]39    public AlbaCrossover()
40      : base() {
[4204]41      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
[4722]42
[4179]43      AlbaEncoding.RemoveUnusedParameters(Parameters);
[4177]44    }
45
[4204]46    protected abstract AlbaEncoding Crossover(IRandom random, AlbaEncoding parent1, AlbaEncoding parent2);
[4179]47
[4150]48    public override IOperation Apply() {
49      ItemArray<IVRPEncoding> parents = new ItemArray<IVRPEncoding>(ParentsParameter.ActualValue.Length);
50      for (int i = 0; i < ParentsParameter.ActualValue.Length; i++) {
51        IVRPEncoding solution = ParentsParameter.ActualValue[i];
[4154]52
[4150]53        if (!(solution is AlbaEncoding)) {
[4352]54          parents[i] = AlbaEncoding.ConvertFrom(solution, VehiclesParameter.ActualValue.Value,
55            DistanceMatrixParameter);
[4150]56        } else {
57          parents[i] = solution;
58        }
59      }
60      ParentsParameter.ActualValue = parents;
61
[4722]62      ChildParameter.ActualValue =
[4204]63        Crossover(RandomParameter.ActualValue, parents[0] as AlbaEncoding, parents[1] as AlbaEncoding);
[4150]64
65      return base.Apply();
66    }
67  }
68}
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