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source: branches/HeuristicLab.EvolutionaryTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Fragment.cs @ 9996

Last change on this file since 9996 was 9996, checked in by bburlacu, 11 years ago

#1772: Removed unnecessary subproject (not included in solution). Merged changes from tree layout branch.

File size: 2.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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.Persistence.Default.CompositeSerializers.Storable;
25
26namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
27  [Item("Fragment", "Class that represents a tree fragment")]
28  [StorableClass]
29  public class Fragment : Item, IFragment {
30    [Storable]
31    private ISymbolicExpressionTreeNode root;
32    public ISymbolicExpressionTreeNode Root { get { return root; } set { root = value; } }
33    [Storable]
34    private int index = -1;
35    public int Index { get { return index; } set { index = value; } }
36    [Storable]
37    private int oldIndex = -1;
38    public int OldIndex { get { return oldIndex; } set { oldIndex = value; } }
39
40    private int length = -1;
41    public int Length {
42      get {
43        if (Root == null) return 0;
44        if (length == -1) length = Root.GetLength();
45        return length;
46      }
47      set { length = value; }
48    }
49
50    [StorableConstructor]
51    private Fragment(bool serializing) : base(serializing) { }
52    private Fragment(Fragment original, Cloner cloner)
53      : base(original, cloner) {
54      // avoid deep copy of the symbolic expression tree node
55      Root = original.Root;
56      Length = original.Length;
57      Index = original.Index;
58      OldIndex = original.OldIndex;
59    }
60
61    public Fragment() { }
62
63    public override IDeepCloneable Clone(Cloner cloner) {
64      return new Fragment(this, cloner);
65    }
66  }
67}
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