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source: branches/RefactorPluginInfrastructure-2522/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Transformations/Transformation.cs @ 13332

Last change on this file since 13332 was 12612, checked in by gkronber, 9 years ago

#2415: added StorableClass attribute to transformation functions (+code improvements)

File size: 2.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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 HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Problems.DataAnalysis {
31
32  [Item("Transformation", "Represents the base class for a transformation.")]
33  public abstract class Transformation : ParameterizedNamedItem, ITransformation {
34    protected const string ColumnParameterName = "Column";
35    #region parameter properties
36    public IConstrainedValueParameter<StringValue> ColumnParameter {
37      get { return (IConstrainedValueParameter<StringValue>)Parameters[ColumnParameterName]; }
38    }
39    #endregion
40
41    #region properties
42    public abstract string ShortName { get; }
43
44    public string Column {
45      get { return ColumnParameter.Value.Value; }
46    }
47    #endregion
48
49    [StorableConstructor]
50    protected Transformation(bool deserializing) : base(deserializing) { }
51    protected Transformation(Transformation original, Cloner cloner) : base(original, cloner) { }
52    protected Transformation(IEnumerable<string> allowedColumns) {
53      var allowed = new ItemSet<StringValue>(allowedColumns.Select(e => new StringValue(e)));
54      Parameters.Add(new ConstrainedValueParameter<StringValue>(ColumnParameterName, "Column used for the Transformation", allowed));
55    }
56  }
57
58  [Item("Transformation", "Represents the base class for a transformation.")]
59  [StorableClass]
60  public abstract class Transformation<T> : Transformation, ITransformation<T> {
61
62    [StorableConstructor]
63    protected Transformation(bool deserializing) : base(deserializing) { }
64    protected Transformation(Transformation<T> original, Cloner cloner) : base(original, cloner) { }
65    protected Transformation(IEnumerable<string> allowedColumns) : base(allowedColumns) { }
66
67    public abstract IEnumerable<T> Apply(IEnumerable<T> data);
68
69    public abstract bool Check(IEnumerable<T> data, out string errorMsg);
70  }
71}
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