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source: branches/PersistenceOverhaul/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Symbols/StartSymbol.cs @ 14711

Last change on this file since 14711 was 14711, checked in by gkronber, 7 years ago

#2520

  • renamed StorableClass -> StorableType
  • changed persistence to use GUIDs instead of type names
File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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;
25namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
26  [StorableType("3E7741C3-49B0-446E-B93F-F8FC335DE305")]
27  [Item(StartSymbol.StartSymbolName, StartSymbol.StartSymbolDescription)]
28  public sealed class StartSymbol : Symbol, IReadOnlySymbol {
29    public const string StartSymbolName = "StartSymbol";
30    public const string StartSymbolDescription = "Special symbol that represents the starting node of the result producing branch of a symbolic expression tree.";
31    private const int minimumArity = 1;
32    private const int maximumArity = 1;
33
34    public override int MinimumArity {
35      get { return minimumArity; }
36    }
37    public override int MaximumArity {
38      get { return maximumArity; }
39    }
40
41    [StorableConstructor]
42    private StartSymbol(bool deserializing)
43      : base(deserializing) {
44    }
45    private StartSymbol(StartSymbol original, Cloner cloner) : base(original, cloner) { }
46    public StartSymbol() : base(StartSymbol.StartSymbolName, StartSymbol.StartSymbolDescription) { }
47
48    public override IDeepCloneable Clone(Cloner cloner) {
49      return new StartSymbol(this, cloner);
50    }
51
52    public override ISymbolicExpressionTreeNode CreateTreeNode() {
53      return new SymbolicExpressionTreeTopLevelNode(this);
54    }
55  }
56}
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