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source: trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTreeTerminalNode.cs @ 6233

Last change on this file since 6233 was 6233, checked in by mkommend, 13 years ago

#1532:

  • Enabled renaming of symbols
  • Fixed cloning of grammers
  • Added readonly attribute in grammars to lock grammars during the algorithm run
  • Removed useless clone method in cloner
  • Changed CheckedItemCollectionViews to enable scrolling during the locked state
File size: 2.5 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 System;
23using System.Collections.Generic;
24using System.Linq;
25using HeuristicLab.Common;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
29  [StorableClass]
30  public abstract class SymbolicExpressionTreeTerminalNode : SymbolicExpressionTreeNode {
31    public override IEnumerable<ISymbolicExpressionTreeNode> Subtrees {
32      get {
33        return Enumerable.Empty<ISymbolicExpressionTreeNode>();
34      }
35    }
36
37    [StorableConstructor]
38    protected SymbolicExpressionTreeTerminalNode(bool deserializing) : base(deserializing) { }
39    // don't call cloning constructor of base to prevent allocation of sub-trees list in base!
40    protected SymbolicExpressionTreeTerminalNode(SymbolicExpressionTreeTerminalNode original, Cloner cloner)
41      : base() {
42      // symbols are reused
43      this.Symbol = original.Symbol;
44    }
45    protected SymbolicExpressionTreeTerminalNode() : base() { }
46
47    protected SymbolicExpressionTreeTerminalNode(ISymbol symbol)
48      : base() {
49      // symbols are reused
50      this.Symbol = symbol;
51    }
52
53    public override int IndexOfSubtree(ISymbolicExpressionTreeNode tree) {
54      return -1;
55    }
56    public override ISymbolicExpressionTreeNode GetSubtree(int index) {
57      throw new NotSupportedException();
58    }
59    public override void AddSubtree(ISymbolicExpressionTreeNode tree) {
60      throw new NotSupportedException();
61    }
62    public override void InsertSubtree(int index, ISymbolicExpressionTreeNode tree) {
63      throw new NotSupportedException();
64    }
65    public override void RemoveSubtree(int index) {
66      throw new NotSupportedException();
67    }
68  }
69}
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