source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Alba/Crossovers/AlbaCrossover.cs @ 4369

Last change on this file since 4369 was 4369, checked in by svonolfe, 12 years ago

Added move operators (WIP) (#1177)

File size: 2.8 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 HeuristicLab.Core;
23using HeuristicLab.Encodings.PermutationEncoding;
24using HeuristicLab.Parameters;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26using HeuristicLab.Data;
27using HeuristicLab.Optimization;
28using HeuristicLab.Problems.VehicleRouting.Interfaces;
29using HeuristicLab.Problems.VehicleRouting.Encodings.General;
30
31namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
32  [Item("AlbaCrossover", "An operator which crosses two VRP representations.")]
33  [StorableClass]
34  public abstract class AlbaCrossover : VRPCrossover, IAlbaOperator, IVRPCrossover, IStochasticOperator {
35    public ILookupParameter<IRandom> RandomParameter {
36      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
37    }
38   
39    [StorableConstructor]
40    protected AlbaCrossover(bool deserializing) : base(deserializing) {
41    }
42
43    public AlbaCrossover()
44      : base() {
45      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
46    }
47
48    protected abstract AlbaEncoding Crossover(IRandom random, AlbaEncoding parent1, AlbaEncoding parent2);
49
50    public override IOperation Apply() {
51      ItemArray<IVRPEncoding> parents = new ItemArray<IVRPEncoding>(ParentsParameter.ActualValue.Length);
52      for (int i = 0; i < ParentsParameter.ActualValue.Length; i++) {
53        IVRPEncoding solution = ParentsParameter.ActualValue[i];
54
55        /*if (!(solution is AlbaEncoding)) {
56          parents[i] = AlbaEncoding.ConvertFrom(solution, VehiclesParameter.ActualValue.Value,
57            DistanceMatrixParameter);
58        } else*/ {
59          parents[i] = solution;
60        }
61      }
62      ParentsParameter.ActualValue = parents;
63
64      ChildParameter.ActualValue =
65        Crossover(RandomParameter.ActualValue, parents[0] as AlbaEncoding, parents[1] as AlbaEncoding); 
66
67      return base.Apply();
68    }
69  }
70}
Note: See TracBrowser for help on using the repository browser.