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source: branches/DataAnalysis Refactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Symbols/StartSymbol.cs @ 5510

Last change on this file since 5510 was 5510, checked in by gkronber, 12 years ago

#1418 Fixed compiler errors in symbolic expression tree encoding

File size: 1.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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  [StorableClass]
27  [Item(StartSymbol.StartSymbolName, StartSymbol.StartSymbolDescription)]
28  public sealed class StartSymbol : ReadOnlySymbol {
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
32    [StorableConstructor]
33    private StartSymbol(bool deserializing) : base(deserializing) { }
34    private StartSymbol(StartSymbol original, Cloner cloner) : base(original, cloner) { }
35    public StartSymbol() : base(StartSymbol.StartSymbolName, StartSymbol.StartSymbolDescription) { }
36
37    public override IDeepCloneable Clone(Cloner cloner) {
38      return new StartSymbol(this, cloner);
39    }
40
41    public override ISymbolicExpressionTreeNode CreateTreeNode() {
42      return new SymbolicExpressionTreeTopLevelNode(this);
43    }
44  }
45}
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