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source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Prins/Manipulators/PrinsManipulator.cs @ 4752

Last change on this file since 4752 was 4752, checked in by svonolfe, 13 years ago

Merged relevant changes from the trunk into the branch (cloning,...) (#1177)

File size: 2.5 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.Encodings.General;
29using HeuristicLab.Problems.VehicleRouting.Interfaces;
30using HeuristicLab.Common;
31
32namespace HeuristicLab.Problems.VehicleRouting.Encodings.Prins {
33  [Item("PrinsManipulator", "An operator which manipulates a VRP representation.")]
34  [StorableClass]
35  public abstract class PrinsManipulator : VRPManipulator, IStochasticOperator, IPrinsOperator {
36    public ILookupParameter<IRandom> RandomParameter {
37      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
38    }
39
40    [StorableConstructor]
41    protected PrinsManipulator(bool deserializing) : base(deserializing) { }
42
43    public PrinsManipulator()
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 PrinsManipulator(PrinsManipulator original, Cloner cloner)
49      : base(original, cloner) {
50    }
51
52    protected abstract void Manipulate(IRandom random, PrinsEncoding individual);
53
54    public override IOperation Apply() {
55      IVRPEncoding solution = VRPToursParameter.ActualValue;
56      if (!(solution is PrinsEncoding)) {
57        VRPToursParameter.ActualValue = PrinsEncoding.ConvertFrom(solution, ProblemInstance);
58      }
59
60      Manipulate(RandomParameter.ActualValue, VRPToursParameter.ActualValue as PrinsEncoding);
61
62      return base.Apply();
63    }
64  }
65}
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