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source: branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3/Implementations/FilterLogic.cs @ 10785

Last change on this file since 10785 was 10785, checked in by psteiner, 10 years ago

filter or combination
filter control: checkedlistview

File size: 2.5 KB
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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 HeuristicLab.DataPreprocessing.Filter;
23using System.Collections.Generic;
24using System;
25using System.Linq;
26using HeuristicLab.DataPreprocessing.Interfaces;
27namespace HeuristicLab.DataPreprocessing {
28  public class FilterLogic : IFilterLogic {
29
30    private IFilteredPreprocessingData preprocessingData;
31
32    public FilterLogic(IFilteredPreprocessingData preprocessingData)
33    {
34      this.preprocessingData = preprocessingData;
35    }
36
37    public bool[] Preview(IList<IFilter> filters, bool isAndCombination)
38    {
39       IList<IFilter> activeFilters = filters.Where(f => f.Active && f.ConstraintData != null).ToList<IFilter>();
40
41       if (activeFilters.Count == 0) {
42        return new bool[preprocessingData.Rows];
43       }
44
45       bool[] result = Enumerable.Repeat<bool>(true, preprocessingData.Rows).ToArray();
46         foreach (IFilter filter in activeFilters)
47         {
48           bool[] filterResult = filter.Check();
49           for (int row = 0; row < result.Length; ++row)
50           {
51             result[row] = isAndCombination ?  result[row] && filterResult[row] : result[row] || filterResult[row];
52           }
53         }
54
55
56        preprocessingData.SetFilter(result);
57       
58        return result;
59    }
60
61    public void Apply(IList<IFilter> filters, bool isAndCombination)
62    {
63        preprocessingData.SetFilter(Preview(filters, isAndCombination));
64        preprocessingData.PersistFilter();
65    }
66
67    public void Reset() {
68      preprocessingData.ResetFilter();
69    }
70
71    public IPreprocessingData PreprocessingData
72    {
73      get { return preprocessingData; }
74    }
75  }
76}
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