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source: branches/HeuristicLab.EvolutionTracking/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Tracking/SymbolicDataAnalysisExpressionBeforeCrossoverOperator.cs @ 11852

Last change on this file since 11852 was 11852, checked in by bburlacu, 8 years ago

#1772: Added some useful functionality to the GenealogyGraphView.

File size: 2.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 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.Linq;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
26using HeuristicLab.EvolutionTracking;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Problems.DataAnalysis.Symbolic {
30  public class SymbolicDataAnalysisExpressionBeforeCrossoverOperator : BeforeCrossoverOperator<ISymbolicExpressionTree> {
31    public SymbolicDataAnalysisExpressionBeforeCrossoverOperator() { }
32
33    protected SymbolicDataAnalysisExpressionBeforeCrossoverOperator(SymbolicDataAnalysisExpressionBeforeCrossoverOperator original, Cloner cloner)
34      : base(original, cloner) {
35    }
36
37    public override IDeepCloneable Clone(Cloner cloner) {
38      return new SymbolicDataAnalysisExpressionBeforeCrossoverOperator(this, cloner);
39    }
40
41    [StorableConstructor]
42    protected SymbolicDataAnalysisExpressionBeforeCrossoverOperator(bool deserializing) : base(deserializing) { }
43
44    public override IOperation Apply() {
45      var result = base.Apply(); // the base operator will add the child to the graph before the actual crossover operation takes place
46      var parents = ParentsParameter.ActualValue.ToList();
47      var childVertex = GenealogyGraph.GetByContent(parents[0]); // use the parent since it is actually the child before crossover (and the ChildParameter doesn't have a value yet)
48      var arcs = childVertex.InArcs.ToList();
49
50      for (int i = 0; i < parents.Count; ++i) {
51        arcs[i].Data = parents[i].IterateNodesPrefix().ToList();
52      }
53
54      return result;
55    }
56  }
57}
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