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source: branches/HeuristicLab.BinPacking/HeuristicLab.Problems.BinPacking/3.3/Encodings/PackingSequence/PackingSequenceCrossover.cs @ 9348

Last change on this file since 9348 was 9348, checked in by jhelm, 11 years ago

#1966: First working version of bin-packing problems.

File size: 2.5 KB
Line 
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 HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Encodings.PermutationEncoding;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26using HeuristicLab.Problems.BinPacking.Interfaces;
27
28namespace HeuristicLab.Encodings.PackingEncoding.PackingSequence {
29  [Item("PackingSequenceCrossover", "An operator which crosses two PackingSequence representations.")]
30  [StorableClass]
31  public class PackingSequenceCrossover : PackingSolutionCrossover, IPackingSequenceOperator {
32
33    [StorableConstructor]
34    protected PackingSequenceCrossover(bool deserializing) : base(deserializing) { }
35    protected PackingSequenceCrossover(PackingSequenceCrossover original, Cloner cloner) : base(original, cloner) { }
36    public PackingSequenceCrossover()
37      : base() {
38        ParentsParameter.ActualName = "PackingSequence";
39        ChildParameter.ActualName = "PackingSequence";
40    }
41    public override IDeepCloneable Clone(Cloner cloner) {
42      return new PackingSequenceCrossover(this, cloner);
43    }
44
45    public PackingSequenceEncoding Cross(IRandom random, PackingSequenceEncoding parent1, PackingSequenceEncoding parent2) {
46      PackingSequenceEncoding result = new PackingSequenceEncoding();
47      result.PackingSequence = CosaCrossover.Apply(random, parent1.PackingSequence, parent2.PackingSequence);
48      return result;
49    }
50
51    public override IOperation Apply() {
52      var parents = ParentsParameter.ActualValue;
53
54      ChildParameter.ActualValue =
55        Cross(RandomParameter.ActualValue, parents[0] as PackingSequenceEncoding, parents[1] as PackingSequenceEncoding);
56
57      return base.Apply();
58    }
59  }
60}
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