source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Alba/Manipulators/AlbaManipulator.cs @ 4365

Last change on this file since 4365 was 4365, checked in by svonolfe, 12 years ago

Worked on VRP operators (WIP) (#1177)

File size: 2.9 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;
29
30namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
31  [Item("AlbaManipulator", "An operator which manipulates a VRP representation.")]
32  [StorableClass]
33  public abstract class AlbaManipulator : AlbaOperator, IVRPManipulator, IStochasticOperator {
34    public ILookupParameter<IRandom> RandomParameter {
35      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
36    }
37
38    public ILookupParameter<IVRPEncoding> VRPToursParameter {
39      get { return (ILookupParameter<IVRPEncoding>)Parameters["VRPTours"]; }
40    }
41
42    [StorableConstructor]
43    protected AlbaManipulator(bool deserializing) : base(deserializing) { }
44
45    public AlbaManipulator()
46      : base() {
47        Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
48        Parameters.Add(new LookupParameter<IVRPEncoding>("VRPTours", "The VRP tours to be manipulated."));
49    }
50
51    protected abstract void Manipulate(IRandom random, AlbaEncoding individual);
52
53    protected int FindCustomerLocation(int customer, AlbaEncoding individual) {
54      int pos = -1;
55      for (int i = 0; i < individual.Length; i++) {
56        if (individual[i] == customer) {
57          pos = i;
58          break;
59        }
60      }
61
62      return pos;
63    }
64
65    public override IOperation Apply() {
66      IVRPEncoding solution = VRPToursParameter.ActualValue;
67      if (!(solution is AlbaEncoding)) {
68        //VRPToursParameter.ActualValue = AlbaEncoding.ConvertFrom(solution, VehiclesParameter.ActualValue.Value, DistanceMatrixParameter);
69      }
70
71      Manipulate(RandomParameter.ActualValue, VRPToursParameter.ActualValue as AlbaEncoding);
72
73      return base.Apply();
74    }
75  }
76}
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