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source: trunk/sources/HeuristicLab.Problems.ExternalEvaluation.GP/3.3/SymbolicExpressionTreeBinaryConverter.cs @ 4144

Last change on this file since 4144 was 4089, checked in by abeham, 14 years ago

#1041

  • Added project with operators to convert expression trees to protocol buffer messages
File size: 2.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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 System.Text;
26using HeuristicLab.Core;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
29using System.IO;
30using Google.ProtocolBuffers;
31
32namespace HeuristicLab.Problems.ExternalEvaluation.GP {
33  [Item("SymbolicExpressionTreeBinaryConverter", "Converts a symbolic expression tree into a binary representation by iterating over all nodes in a prefix way. The binary format is defined in HeuristicLab.Persistence.")]
34  [StorableClass]
35  public class SymbolicExpressionTreeBinaryConverter : SymbolicExpressionTreeConverter {
36
37    protected override void ConvertSymbolicExpressionTree(SymbolicExpressionTree tree, string name, SolutionMessage.Builder builder) {
38      using (MemoryStream memoryStream = new MemoryStream()) {
39        Persistence.Default.Xml.XmlGenerator.Serialize(tree, memoryStream);
40        byte[] byteRep = memoryStream.ToArray();
41        SolutionMessage.Types.RawVariable.Builder rawVariable = SolutionMessage.Types.RawVariable.CreateBuilder();
42        rawVariable.SetName(name).SetData(ByteString.CopyFrom(byteRep));
43        builder.AddRawVars(rawVariable.Build());
44      }
45    }
46  }
47}
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