Changeset 11002 for branches/DataPreprocessing/HeuristicLab.Problems.DataAnalysis/3.4/Dataset.cs

Timestamp:

06/11/14 15:43:05 (10 years ago)

Author:

mleitner

Message:

Refactoring

File:

• branches/DataPreprocessing/HeuristicLab.Problems.DataAnalysis/3.4/Dataset.cs (modified) (1 diff)

branches/DataPreprocessing/HeuristicLab.Problems.DataAnalysis/3.4/Dataset.cs

@@ -170 +170 @@
         yield return value;
     }
+
+    public IEnumerable<string> GetStringValues(string variableName) {
+      IList list;
+      if (!variableValues.TryGetValue(variableName, out list))
+        throw new ArgumentException("The variable " + variableName + " does not exist in the dataset.");
+      List<string> values = list as List<string>;
+      if (values == null) throw new ArgumentException("The variable " + variableName + " is not a string variable.");
+
+      //mkommend yield return used to enable lazy evaluation
+      foreach (string value in values)
+        yield return value;
+    }
+
+    public IEnumerable<DateTime> GetDateTimeValues(string variableName) {
+      IList list;
+      if (!variableValues.TryGetValue(variableName, out list))
+        throw new ArgumentException("The variable " + variableName + " does not exist in the dataset.");
+      List<string> values = list as List<string>;
+      if (values == null) throw new ArgumentException("The variable " + variableName + " is not a datetime variable.");
+
+      //mkommend yield return used to enable lazy evaluation
+      foreach (string value in values)
+        yield return DateTime.Parse(value);
+    }
+
     public ReadOnlyCollection<double> GetReadOnlyDoubleValues(string variableName) {
       IList list;