source: trunk/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Transformations/Transformation.cs @ 17180

Last change on this file since 17180 was 17180, checked in by swagner, 2 years ago

#2875: Removed years in copyrights

File size: 3.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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.Collections.Generic;
23using System.Linq;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Data;
27using HeuristicLab.Parameters;
28using HEAL.Attic;
29
30namespace HeuristicLab.Problems.DataAnalysis {
31
32  [Item("Transformation", "Represents the base class for a transformation.")]
33  [StorableType("46B380CC-6CDE-40FC-9BB4-E3FF82BA35EA")]
34  public abstract class Transformation : ParameterizedNamedItem, ITransformation {
35    protected const string ColumnParameterName = "Column";
36    #region parameter properties
37    public IConstrainedValueParameter<StringValue> ColumnParameter {
38      get { return (IConstrainedValueParameter<StringValue>)Parameters[ColumnParameterName]; }
39    }
40    #endregion
41
42    #region properties
43    public abstract string ShortName { get; }
44
45    public string Column {
46      get { return ColumnParameter.Value.Value; }
47    }
48    #endregion
49
50    [StorableConstructor]
51    protected Transformation(StorableConstructorFlag _) : base(_) { }
52    protected Transformation(Transformation original, Cloner cloner) : base(original, cloner) { }
53    protected Transformation(IEnumerable<string> allowedColumns) {
54      var allowed = new ItemSet<StringValue>(allowedColumns.Select(e => new StringValue(e)));
55      Parameters.Add(new ConstrainedValueParameter<StringValue>(ColumnParameterName, "Column used for the Transformation", allowed));
56    }
57  }
58
59  [Item("Transformation", "Represents the base class for a transformation.")]
60  [StorableType("F244DB89-72EA-4B41-89FA-C2E14F30AD29")]
61  public abstract class Transformation<T> : Transformation, ITransformation<T> {
62
63    [StorableConstructor]
64    protected Transformation(StorableConstructorFlag _) : base(_) { }
65    protected Transformation(Transformation<T> original, Cloner cloner) : base(original, cloner) { }
66    protected Transformation(IEnumerable<string> allowedColumns) : base(allowedColumns) { }
67
68    public virtual void ConfigureParameters(IEnumerable<T> data) {
69      // override in transformations with parameters
70    }
71
72    public abstract IEnumerable<T> Apply(IEnumerable<T> data);
73    public IEnumerable<T> ConfigureAndApply(IEnumerable<T> data) {
74      ConfigureParameters(data);
75      return Apply(data);
76    }
77
78    public abstract bool Check(IEnumerable<T> data, out string errorMsg);
79  }
80}
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