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source: tags/3.3.8/HeuristicLab.Problems.ExternalEvaluation.GP/3.4/ExternalEvaluationSymbolicExpressionTreeStringConverter.cs @ 9480

Last change on this file since 9480 was 9456, checked in by swagner, 11 years ago

Updated copyright year and added some missing license headers (#1889)

File size: 2.9 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 System;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Problems.ExternalEvaluation.GP {
29  [Item("SymbolicExpressionTreeStringConverter", "Converts a symbolic expression tree into a string representation by iterating over all nodes in a prefix way. The string is added to the SolutionMessage's StringVars.")]
30  [StorableClass]
31  public class SymbolicExpressionTreeStringConverter : SymbolicExpressionTreeConverter {
32    private ExternalEvaluationSymbolicExpressionTreeStringFormatter formatter;
33
34    [StorableConstructor]
35    protected SymbolicExpressionTreeStringConverter(bool deserializing) : base(deserializing) { }
36    protected SymbolicExpressionTreeStringConverter(SymbolicExpressionTreeStringConverter original, Cloner cloner)
37      : base(original, cloner) {
38      formatter = new ExternalEvaluationSymbolicExpressionTreeStringFormatter();
39      formatter.Indent = original.formatter.Indent;
40    }
41    public SymbolicExpressionTreeStringConverter()
42      : base() {
43      Initialize();
44    }
45
46    public override IDeepCloneable Clone(Cloner cloner) {
47      return new SymbolicExpressionTreeStringConverter(this, cloner);
48    }
49
50    [StorableHook(HookType.AfterDeserialization)]
51    private void AfterDeserialization() {
52      Initialize();
53    }
54
55    private void Initialize() {
56      formatter = new ExternalEvaluationSymbolicExpressionTreeStringFormatter();
57      formatter.Indent = false;
58    }
59
60    protected override void ConvertSymbolicExpressionTree(SymbolicExpressionTree tree, string name, SolutionMessage.Builder builder) {
61      string stringRep = formatter.Format(tree);
62      stringRep.Replace(Environment.NewLine, "");
63      SolutionMessage.Types.StringVariable.Builder stringVariable = SolutionMessage.Types.StringVariable.CreateBuilder();
64      stringVariable.SetName(name).SetData(stringRep);
65      builder.AddStringVars(stringVariable.Build());
66    }
67  }
68}
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