source: branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3/Implementations/FilterLogic.cs @ 10667

Last change on this file since 10667 was 10667, checked in by mleitner, 6 years ago

Dont calculate filter preview when no constraintdata

File size: 2.1 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 HeuristicLab.DataPreprocessing.Filter;
23using System.Collections.Generic;
24using System;
25using System.Linq;
26namespace HeuristicLab.DataPreprocessing {
27  public class FilterLogic : IFilterLogic {
28
29    private ITransactionalPreprocessingData preprocessingData;
30
31    public FilterLogic(ITransactionalPreprocessingData preprocessingData) {
32      this.preprocessingData = preprocessingData;
33    }
34
35
36    public bool[] Preview(IList<IFilter> filters)
37    {
38       bool[] result = Enumerable.Repeat<bool>(true, preprocessingData.Rows).ToArray();
39
40       foreach (IFilter filter in filters)
41       {
42            if (filter.ConstraintData == null) {
43              continue;
44            }
45
46            bool[] filterResult = filter.Check();
47
48            for(int row = 0; row < result.Length; ++row) {
49                result[row] = result[row] && filterResult[row];
50            }
51        }
52
53        return result;
54    }
55
56    public void Apply(IList<IFilter> filters)
57    {
58        bool[] results = Preview(filters);
59
60        for(int row = 0; row < results.Length; ++row)
61        {
62            if(!results[row]){
63                preprocessingData.DeleteRow(row);
64            }
65        }
66     }
67
68
69    public IPreprocessingData PreprocessingData
70    {
71      get { return preprocessingData; }
72    }
73  }
74}
Note: See TracBrowser for help on using the repository browser.