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source: trunk/HeuristicLab.Algorithms.ALPS/3.3/ResultsHistoryWiper.cs @ 17074

Last change on this file since 17074 was 16565, checked in by gkronber, 5 years ago

#2520: merged changes from PersistenceOverhaul branch (r16451:16564) into trunk

File size: 2.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Analysis;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Operators;
27using HeuristicLab.Optimization;
28using HeuristicLab.Parameters;
29using HEAL.Attic;
30
31namespace HeuristicLab.Algorithms.ALPS {
32  [Item("ResultsHistoryWiper", "An operator that removes the history of a ResultsCollection by setting all values in all DataTables to NaN.")]
33  [StorableType("98514FF7-CE23-446F-9ACB-901FDF056CF0")]
34  public sealed class ResultsHistoryWiper : SingleSuccessorOperator {
35    public ILookupParameter<ResultCollection> ResultsParameter {
36      get { return (ILookupParameter<ResultCollection>)Parameters["Results"]; }
37    }
38
39    [StorableConstructor]
40    private ResultsHistoryWiper(StorableConstructorFlag _) : base(_) {
41    }
42
43    private ResultsHistoryWiper(ResultsHistoryWiper original, Cloner cloner)
44      : base(original, cloner) {
45    }
46
47    public override IDeepCloneable Clone(Cloner cloner) {
48      return new ResultsHistoryWiper(this, cloner);
49    }
50
51    public ResultsHistoryWiper()
52      : base() {
53      Parameters.Add(new LookupParameter<ResultCollection>("Results", "The ResultCollection the history is wiped from."));
54    }
55
56    public override IOperation Apply() {
57      var results = ResultsParameter.ActualValue;
58      ClearHistoryRecursively(results);
59      return base.Apply();
60    }
61
62    private void ClearHistoryRecursively(ResultCollection results) {
63      var values = results.Select(r => r.Value);
64
65      // Reset all values within results in results
66      foreach (var resultsCollection in values.OfType<ResultCollection>())
67        ClearHistoryRecursively(resultsCollection);
68
69      // Reset values
70      foreach (var dataTable in values.OfType<DataTable>()) {
71        foreach (var row in dataTable.Rows)
72          for (int i = 0; i < row.Values.Count; i++)
73            row.Values[i] = double.NaN;
74      }
75    }
76  }
77}
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