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source: trunk/sources/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/Zhu/Crossovers/ZhuCrossover.cs @ 9596

Last change on this file since 9596 was 9456, checked in by swagner, 12 years ago

Updated copyright year and added some missing license headers (#1889)

File size: 3.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Optimization;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Problems.VehicleRouting.Encodings.Zhu {
29  [Item("ZhuCrossover", "An operator which crosses two VRP representations.")]
30  [StorableClass]
31  public abstract class ZhuCrossover : VRPCrossover, IStochasticOperator {
32    public ILookupParameter<IRandom> RandomParameter {
33      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
34    }
35
36    [StorableConstructor]
37    protected ZhuCrossover(bool deserializing) : base(deserializing) { }
38    protected ZhuCrossover(ZhuCrossover original, Cloner cloner)
39      : base(original, cloner) {
40    }
41
42    public ZhuCrossover()
43      : base() {
44      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
45    }
46
47    protected abstract ZhuEncoding Crossover(IRandom random, ZhuEncoding parent1, ZhuEncoding parent2);
48
49    public override IOperation Apply() {
50      ItemArray<IVRPEncoding> parents = new ItemArray<IVRPEncoding>(ParentsParameter.ActualValue.Length);
51      for (int i = 0; i < ParentsParameter.ActualValue.Length; i++) {
52        IVRPEncoding solution = ParentsParameter.ActualValue[i];
53
54        if (!(solution is ZhuEncoding)) {
55          parents[i] = ZhuEncoding.ConvertFrom(solution,
56            Cities,
57            DueTimeParameter.ActualValue,
58            ServiceTimeParameter.ActualValue,
59            ReadyTimeParameter.ActualValue,
60            DemandParameter.ActualValue,
61            CapacityParameter.ActualValue,
62            CoordinatesParameter.ActualValue,
63            DistanceMatrixParameter,
64            UseDistanceMatrixParameter.ActualValue);
65        } else {
66          parents[i] = solution;
67        }
68      }
69      ParentsParameter.ActualValue = parents;
70
71      ChildParameter.ActualValue =
72        Crossover(RandomParameter.ActualValue, parents[0] as ZhuEncoding, parents[1] as ZhuEncoding);
73
74      return base.Apply();
75    }
76  }
77}
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