Changeset 12032

Timestamp:

02/18/15 11:02:11 (10 years ago)

Author:

bburlacu

Message:

#2276: Extended functionality of ModifiableDataset with three new methods: AddVariable, RemoveVariable and ChangeVariableValue.

File:

• branches/HeuristicLab.DatasetRefactor/sources/HeuristicLab.Problems.DataAnalysis/3.4/ModifiableDataset.cs (modified) (3 diffs)

branches/HeuristicLab.DatasetRefactor/sources/HeuristicLab.Problems.DataAnalysis/3.4/ModifiableDataset.cs

@@ -2 +2 @@
 
 /* HeuristicLab
- * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
  *
  * This file is part of HeuristicLab.
@@ -74 +74 @@
     }
 
+    // adds a new variable to the dataset
+    public void AddVariable<T>(string variableName, IEnumerable<T> values) {
+      if (variableValues.ContainsKey(variableName))
+        throw new ArgumentException("Variable " + variableName + " is already present in the dataset.");
+      int count = values.Count();
+      if (count != rows)
+        throw new ArgumentException("The number of values must exactly match the number of rows in the dataset.");
+      variableValues[variableName] = new List<T>(values);
+      variableNames.Add(variableName);
+    }
+
+    public void RemoveVariable(string variableName) {
+      if (!variableValues.ContainsKey(variableName))
+        throw new ArgumentException("The variable " + variableName + " does not exist in the dataset.");
+      variableValues.Remove(variableName);
+      variableNames.Remove(variableName);
+    }
+
     // slow, avoid to use this
     public void RemoveRow(int row) {
@@ -79 +97 @@
         list.RemoveAt(row);
       rows--;
+    }
+
+    public void ChangeVariableValue(object value, string variableName, int row) {
+      IList list;
+      variableValues.TryGetValue(variableName, out list);
+      if (list == null)
+        throw new ArgumentException("The variable " + variableName + " does not exist in the dataset.");
+      if (row < 0 || list.Count < row)
+        throw new ArgumentOutOfRangeException("Invalid row value");
+      list[row] = value;
     }