source: branches/2520_PersistenceReintegration/HeuristicLab.Encodings.PermutationEncoding/3.3/Moves/TwoOpt/InversionMoveGenerator.cs @ 16453

Last change on this file since 16453 was 16453, checked in by jkarder, 10 months ago

#2520: updated year of copyrights

File size: 3.1 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Operators;
25using HeuristicLab.Optimization;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Encodings.PermutationEncoding {
30  [Item("InversionMoveGenerator", "Base class for all inversion (2-opt) move generators.")]
31  [StorableClass]
32  public abstract class InversionMoveGenerator : SingleSuccessorOperator, IPermutationInversionMoveOperator, IMoveGenerator {
33    public override bool CanChangeName {
34      get { return false; }
35    }
36    public ILookupParameter<Permutation> PermutationParameter {
37      get { return (ILookupParameter<Permutation>)Parameters["Permutation"]; }
38    }
39    public ILookupParameter<InversionMove> InversionMoveParameter {
40      get { return (LookupParameter<InversionMove>)Parameters["InversionMove"]; }
41    }
42    protected ScopeParameter CurrentScopeParameter {
43      get { return (ScopeParameter)Parameters["CurrentScope"]; }
44    }
45
46    [StorableConstructor]
47    protected InversionMoveGenerator(bool deserializing) : base(deserializing) { }
48    protected InversionMoveGenerator(InversionMoveGenerator original, Cloner cloner) : base(original, cloner) { }
49    public InversionMoveGenerator()
50      : base() {
51      Parameters.Add(new LookupParameter<Permutation>("Permutation", "The permutation for which moves should be generated."));
52      Parameters.Add(new LookupParameter<InversionMove>("InversionMove", "The moves that should be generated in subscopes."));
53      Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
54    }
55
56    public override IOperation Apply() {
57      Permutation p = PermutationParameter.ActualValue;
58      InversionMove[] moves = GenerateMoves(p);
59      Scope[] moveScopes = new Scope[moves.Length];
60      for (int i = 0; i < moveScopes.Length; i++) {
61        moveScopes[i] = new Scope(i.ToString());
62        moveScopes[i].Variables.Add(new Variable(InversionMoveParameter.ActualName, moves[i]));
63      }
64      CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
65      return base.Apply();
66    }
67
68    protected abstract InversionMove[] GenerateMoves(Permutation permutation);
69  }
70}
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