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source: branches/HeuristicLab.BinPacking/HeuristicLab.Problems.BinPacking/3.3/Encodings/GroupingVector/Moves/GroupingTabuMaker.cs @ 13032

Last change on this file since 13032 was 13032, checked in by gkronber, 8 years ago

#1966:

  • removed unused using
  • added/updated license headers
File size: 3.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 Joseph Helm and 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.Operators;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27using HeuristicLab.Problems.BinPacking.Interfaces;
28
29namespace HeuristicLab.Encodings.PackingEncoding.GroupingVector {
30  [Item("Grouping tabu maker", "Declares a given grouping move as tabu, by adding its attributes to the tabu list and also store the solution quality or the move quality (whichever is better).")]
31  [StorableClass]
32  public class GroupingTabuMaker : TabuMaker, IGroupingVectorMoveOperator{
33    public ILookupParameter<IPackingMove> PackingMoveParameter {
34      get { return (ILookupParameter<IPackingMove>)Parameters["PackingMove"]; }
35    }
36    public ILookupParameter<GroupingVectorEncoding> GroupingVectorParameter {
37      get { return (ILookupParameter<GroupingVectorEncoding>)Parameters["GroupingVector"]; }
38    }
39
40    [StorableConstructor]
41    protected GroupingTabuMaker(bool deserializing) : base(deserializing) { }
42    protected GroupingTabuMaker(GroupingTabuMaker original, Cloner cloner) : base(original, cloner) { }
43    public GroupingTabuMaker()
44      : base() {
45        Parameters.Add(new LookupParameter<IPackingMove>("PackingMove", "The move to evaluate."));
46      Parameters.Add(new LookupParameter<GroupingVectorEncoding>("GroupingVector", "The solution to evaluate."));
47    }
48
49    public override IDeepCloneable Clone(Cloner cloner) {
50      return new GroupingTabuMaker(this, cloner);
51    }
52
53    protected override IItem GetTabuAttribute(bool maximization, double quality, double moveQuality) {
54      IPackingMove move = PackingMoveParameter.ActualValue;
55      GroupingVectorEncoding groupingVector = GroupingVectorParameter.ActualValue;   
56      double baseQuality = moveQuality;
57      if (maximization && quality > moveQuality || !maximization && quality < moveQuality)
58        baseQuality = quality; // we make an uphill move, the lower bound is the solution quality
59
60      var gMove = move as GroupingMove;
61
62      if (gMove != null)
63        return gMove.GetAttribute(baseQuality);
64      else
65        return move.GetSolutionAfterMove();
66    }
67  }
68}
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