1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System.Collections.Generic;
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23 | using System.Linq;
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24 | using HeuristicLab.Common;
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25 | using HeuristicLab.Core;
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26 | using HeuristicLab.Data;
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27 | using HeuristicLab.Parameters;
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28 | using HeuristicLab.Persistence;
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29 |
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30 | namespace HeuristicLab.Problems.DataAnalysis {
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31 |
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32 | [Item("Transformation", "Represents the base class for a transformation.")]
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33 | [StorableType("c1fc2d66-96ac-43d7-acc1-4eb935c721e7")]
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34 | public abstract class Transformation : ParameterizedNamedItem, ITransformation {
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35 | protected const string ColumnParameterName = "Column";
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36 | #region parameter properties
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37 | public IConstrainedValueParameter<StringValue> ColumnParameter {
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38 | get { return (IConstrainedValueParameter<StringValue>)Parameters[ColumnParameterName]; }
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39 | }
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40 | #endregion
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41 |
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42 | #region properties
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43 | public abstract string ShortName { get; }
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44 |
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45 | public string Column {
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46 | get { return ColumnParameter.Value.Value; }
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47 | }
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48 | #endregion
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49 |
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50 | [StorableConstructor]
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51 | protected Transformation(StorableConstructorFlag deserializing) : base(deserializing) { }
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52 | protected Transformation(Transformation original, Cloner cloner) : base(original, cloner) { }
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53 | protected Transformation(IEnumerable<string> allowedColumns) {
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54 | var allowed = new ItemSet<StringValue>(allowedColumns.Select(e => new StringValue(e)));
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55 | Parameters.Add(new ConstrainedValueParameter<StringValue>(ColumnParameterName, "Column used for the Transformation", allowed));
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56 | }
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57 | }
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58 |
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59 | [Item("Transformation", "Represents the base class for a transformation.")]
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60 | [StorableType("145a2f9f-25cb-4bb6-a9bf-ce1251f309f7")]
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61 | public abstract class Transformation<T> : Transformation, ITransformation<T> {
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62 |
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63 | [StorableConstructor]
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64 | protected Transformation(StorableConstructorFlag deserializing) : base(deserializing) { }
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65 | protected Transformation(Transformation<T> original, Cloner cloner) : base(original, cloner) { }
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66 | protected Transformation(IEnumerable<string> allowedColumns) : base(allowedColumns) { }
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67 |
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68 | public virtual void ConfigureParameters(IEnumerable<T> data) {
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69 | // override in transformations with parameters
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70 | }
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71 |
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72 | public abstract IEnumerable<T> Apply(IEnumerable<T> data);
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73 | public IEnumerable<T> ConfigureAndApply(IEnumerable<T> data) {
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74 | ConfigureParameters(data);
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75 | return Apply(data);
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76 | }
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77 |
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78 | public abstract bool Check(IEnumerable<T> data, out string errorMsg);
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79 | }
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80 | }
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