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source: stable/HeuristicLab.Encodings.PermutationEncoding/3.3/Moves/Swap2/Swap2MoveMaker.cs @ 17181

Last change on this file since 17181 was 17181, checked in by swagner, 5 years ago

#2875: Merged r17180 from trunk to stable

File size: 3.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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.Data;
25using HeuristicLab.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HEAL.Attic;
29
30namespace HeuristicLab.Encodings.PermutationEncoding {
31  [Item("Swap2MoveMaker", "Peforms a swap-2 move on a given permutation and updates the quality.")]
32  [StorableType("A5781DC7-E9F0-4926-A3BF-A43EE893E4F9")]
33  public class Swap2MoveMaker : SingleSuccessorOperator, IPermutationSwap2MoveOperator, IMoveMaker, ISingleObjectiveOperator {
34    public override bool CanChangeName {
35      get { return false; }
36    }
37    public ILookupParameter<DoubleValue> QualityParameter {
38      get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
39    }
40    public ILookupParameter<DoubleValue> MoveQualityParameter {
41      get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }
42    }
43    public ILookupParameter<Swap2Move> Swap2MoveParameter {
44      get { return (ILookupParameter<Swap2Move>)Parameters["Swap2Move"]; }
45    }
46    public ILookupParameter<Permutation> PermutationParameter {
47      get { return (ILookupParameter<Permutation>)Parameters["Permutation"]; }
48    }
49
50    [StorableConstructor]
51    protected Swap2MoveMaker(StorableConstructorFlag _) : base(_) { }
52    protected Swap2MoveMaker(Swap2MoveMaker original, Cloner cloner) : base(original, cloner) { }
53    public Swap2MoveMaker()
54      : base() {
55      Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of the solution."));
56      Parameters.Add(new LookupParameter<Swap2Move>("Swap2Move", "The move to evaluate."));
57      Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The relative quality of the move."));
58      Parameters.Add(new LookupParameter<Permutation>("Permutation", "The solution as permutation."));
59    }
60
61    public override IDeepCloneable Clone(Cloner cloner) {
62      return new Swap2MoveMaker(this, cloner);
63    }
64
65    public override IOperation Apply() {
66      Swap2Move move = Swap2MoveParameter.ActualValue;
67      Permutation permutation = PermutationParameter.ActualValue;
68      DoubleValue moveQuality = MoveQualityParameter.ActualValue;
69      DoubleValue quality = QualityParameter.ActualValue;
70
71      Swap2Manipulator.Apply(permutation, move.Index1, move.Index2);
72      quality.Value = moveQuality.Value;
73
74      return base.Apply();
75    }
76  }
77}
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