Changeset 10694 for branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3/Implementations/Transformations/LinearTransformation.cs

Timestamp:

04/02/14 11:23:44 (10 years ago)

Author:

tsteinre

Message:

• LinearTransformation and Transformation now uses ITransformation,
• refactoring

File:

• branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3/Implementations/Transformations/LinearTransformation.cs (modified) (2 diffs)

branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3/Implementations/Transformations/LinearTransformation.cs

@@ -20 +20 @@
 #endregion
 
+
+using System.Collections.Generic;
 using System.Linq;
+using HeuristicLab.Common;
 using HeuristicLab.Core;
 using HeuristicLab.Data;
 using HeuristicLab.DataPreprocessing.Transformations;
-using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
 using HeuristicLab.Parameters;
-
 namespace HeuristicLab.DataPreprocessing.Implementations.Transformations {
   [Item("LinearTransformation", "Represents a linear transformation with multiplication and addition.")]
-  public class LinearTransformation : Transformation {
+  public class LinearTransformation : Transformation<double> {
 
     #region Parameters
@@ -46 +47 @@
     }
 
-    public override void Transform() {
-      PreprocessingData.InTransaction(() => {
-        int idx = PreprocessingData.GetColumnIndex(Column);
-        if (PreprocessingData.IsType<double>(idx)) {
-          var column = PreprocessingData.GetValues<double>(idx);
-          var transformedColumn = column.Select(e => e * MultiplicandParameter.Value.Value + SummandParameter.Value.Value).ToList();
-          PreprocessingData.SetValues<double>(idx, transformedColumn);
-        }
-      },
-      DataPreprocessingChangedEventType.Transformation);
+    public override IEnumerable<double> Apply(IEnumerable<double> data) {
+      return data.Select(e => e * MultiplicandParameter.Value.Value + SummandParameter.Value.Value).ToList();
     }
 
-    public override ISymbolicExpressionTree GenerateInverseTransformation() {
+    public override IEnumerable<double> InverseApply(IEnumerable<double> data) {
       throw new System.NotImplementedException();
     }
 
-    public override void Check() {
+    public override IDeepCloneable Clone(Cloner cloner) {
       throw new System.NotImplementedException();
     }
 
-    public override Common.IDeepCloneable Clone(Common.Cloner cloner) {
+    public override void Check(IEnumerable<double> data) {
       throw new System.NotImplementedException();
     }