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source: stable/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Prins/Manipulators/PrinsManipulator.cs @ 17097

Last change on this file since 17097 was 17097, checked in by mkommend, 5 years ago

#2520: Merged 16565 - 16579 into stable.

File size: 2.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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 HEAL.Attic;
27using HeuristicLab.Problems.VehicleRouting.Encodings.General;
28using HeuristicLab.Problems.VehicleRouting.Interfaces;
29
30namespace HeuristicLab.Problems.VehicleRouting.Encodings.Prins {
31  [Item("PrinsManipulator", "An operator which manipulates a VRP representation.")]
32  [StorableType("AF313602-8AFC-4722-AA47-FFDCF39CF3E4")]
33  public abstract class PrinsManipulator : VRPManipulator, IStochasticOperator, IPrinsOperator {
34    public ILookupParameter<IRandom> RandomParameter {
35      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
36    }
37
38    [StorableConstructor]
39    protected PrinsManipulator(StorableConstructorFlag _) : base(_) { }
40
41    public PrinsManipulator()
42      : base() {
43      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
44    }
45
46    protected PrinsManipulator(PrinsManipulator original, Cloner cloner)
47      : base(original, cloner) {
48    }
49
50    protected abstract void Manipulate(IRandom random, PrinsEncoding individual);
51
52    public override IOperation InstrumentedApply() {
53      IVRPEncoding solution = VRPToursParameter.ActualValue;
54      if (!(solution is PrinsEncoding)) {
55        VRPToursParameter.ActualValue = PrinsEncoding.ConvertFrom(solution, ProblemInstance);
56      }
57
58      Manipulate(RandomParameter.ActualValue, VRPToursParameter.ActualValue as PrinsEncoding);
59
60      return base.InstrumentedApply();
61    }
62  }
63}
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