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source: branches/2520_PersistenceReintegration/HeuristicLab.Encodings.LinearLinkageEncoding/3.4/Moves/EMSS/ExtractMove.cs @ 16462

Last change on this file since 16462 was 16462, checked in by jkarder, 5 years ago

#2520: worked on reintegration of new persistence

  • added nuget references to HEAL.Fossil
  • added StorableType attributes to many classes
  • changed signature of StorableConstructors
  • removed some classes in old persistence
  • removed some unnecessary usings
File size: 2.8 KB
Line 
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 System;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HEAL.Fossil;
26
27namespace HeuristicLab.Encodings.LinearLinkageEncoding {
28  [Item("Extract Move", "Extracts an item into a group of its own.")]
29  [StorableType("D42CB819-F307-4081-9227-7F6786E6853B")]
30  public sealed class ExtractMove : EMSSMove {
31    [Storable]
32    private int previousItem;
33    public int PreviousItem { get { return previousItem; } }
34    [Storable]
35    private int nextItem;
36    public int NextItem { get { return nextItem; } }
37
38    private bool IsFirst { get { return PreviousItem == Item; } }
39    private bool IsLast { get { return NextItem == Item; } }
40
41
42    [StorableConstructor]
43    private ExtractMove(StorableConstructorFlag _) : base(_) { }
44    private ExtractMove(ExtractMove original, Cloner cloner)
45      : base(original, cloner) {
46      previousItem = original.previousItem;
47      nextItem = original.nextItem;
48    }
49    public ExtractMove(int item, int prev, int next)
50      : base(item) {
51      previousItem = prev;
52      nextItem = next;
53    }
54   
55    public override IDeepCloneable Clone(Cloner cloner) {
56      return new ExtractMove(this, cloner);
57    }
58
59    public override void Apply(LinearLinkage lle) {
60      if ((!IsFirst && lle[PreviousItem] != Item)
61        || lle[Item] != NextItem)
62        throw new ArgumentException("Move conditions have changed!");
63      if (!IsFirst) lle[PreviousItem] = IsLast ? PreviousItem : NextItem;
64      lle[Item] = Item;
65    }
66
67    public override void Undo(LinearLinkage lle) {
68      if (!IsFirst && lle[PreviousItem] != (IsLast ? PreviousItem : NextItem)
69        || lle[Item] != Item)
70        throw new ArgumentException("Move conditions have changed, cannot undo move.");
71
72      if (!IsFirst) lle[PreviousItem] = Item;
73      lle[Item] = NextItem;
74    }
75
76    public override void ApplyToLLEb(int[] lleb) {
77      if (!IsLast) lleb[NextItem] = IsFirst ? NextItem : PreviousItem;
78      lleb[Item] = Item;
79    }
80  }
81}
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