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source: branches/HeuristicLab.BinPacking/HeuristicLab.Problems.BinPacking/3.3/Encodings/GroupingVector/GroupingVectorSwap2Manipulator.cs @ 9563

Last change on this file since 9563 was 9563, checked in by jhelm, 11 years ago

#1966: Implemented additional Operator-Wrappers for PackingSequence and GroupingVector; Implemented additional problem-class for Rosenbauer-Problemstatement; Added marker-interfaces for decoder-types;

File size: 2.5 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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 System;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27using HeuristicLab.Problems.BinPacking.Interfaces;
28
29namespace HeuristicLab.Encodings.PackingEncoding.GroupingVector {
30  [Item("Grouping Vector Swap2 Manipulator", "An operator which manipulates a PackingSequence representation.")]
31  [StorableClass]
32  public class GroupingVectorSwap2Manipulator :  GroupingVectorManipulator {
33    [StorableConstructor]
34    protected GroupingVectorSwap2Manipulator (bool deserializing) : base(deserializing) { }
35    protected GroupingVectorSwap2Manipulator(GroupingVectorSwap2Manipulator original, Cloner cloner) : base(original, cloner) { }
36    public GroupingVectorSwap2Manipulator()
37      : base() {
38    }
39    public override IDeepCloneable Clone(Cloner cloner) {
40      return new GroupingVectorSwap2Manipulator(this, cloner);
41    }
42
43    protected override void Manipulate(IRandom random, GroupingVectorEncoding individual) {
44
45      int index1 = 0;
46      int index2 = 1;
47
48      if (individual.GroupingVector.Length <= 1)
49        return;
50      else if (individual.GroupingVector.Length != 2) {
51        index1 = random.Next(individual.GroupingVector.Length);
52        index2 = random.Next(individual.GroupingVector.Length);
53        while (index2.Equals(index1)) {
54          index2 = random.Next(individual.GroupingVector.Length);
55        }
56      }
57
58      int temp = individual.GroupingVector [index1];
59      individual.GroupingVector[index1] = individual.GroupingVector[index2];
60      individual.GroupingVector[index2] = temp;
61    }
62
63  }
64}
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