public void AddDimensionLevelTest1() { Dimension target = new Dimension(); List<Dimension> l = new List<Dimension>() { new Dimension() }; target.AddDimensionLevel(l); Assert.AreEqual(l[0], target.GetCoarserDimensionLevel()[0]); }
public void AddDimensionLevelTest() { Dimension target = new Dimension(); Dimension d = new Dimension(); target.AddDimensionLevel(d); Assert.AreEqual(d, target.GetCoarserDimensionLevel()[0]); }
public void GetLevelTest() { Dimension target = new Dimension(); Dimension d1 = new Dimension(); Dimension d2 = new Dimension(); d1.AddDimensionLevel(d2); target.AddDimensionLevel(d1); List<Dimension> actual = target.GetLevel(); Assert.AreEqual(actual.Count, 3); }
/// <summary> /// This takes a tablename (most likely "FACT") and loads all foreign keys, which should point to a dimension (Table + column). /// It creates a List of Dimensions and adds a dimension for each row the Database returns. It then goes on recursively /// and grabs the Table + Column of the "next" Table, meaning the one you end up at, if you roll up the cube. /// Note that in this piece of code a dimension may have MULTIPLE sub-ListOfDimensions, which should not exist in the model, /// but IF they do, it's not a problem at this point (but rather a GUI-problem) /// </summary> /// <param name="tablename">The Name of the Table whose ListOfDimensions are to be found.</param> /// <returns>A list of ListOfDimensions which, most likely, contain even more ListOfDimensions themselves.</returns> /// <author>Jannik Arndt, Bernd Nottbeck</author> public List<Dimension> GetDimensionsOf(String tablename) { DataTable referencedTables; DataTable dimensionContentDataTable; List<Dimension> resultingListOfDimensions = new List<Dimension>(); try { Open(); // every table row is a dimension referencedTables = GetReferencingDataTable(tablename); foreach (DataRow referencedTableRow in referencedTables.Rows) { // create a dimension-object (see MetaWorker.Dimension) Dimension newDimension = new Dimension(referencedTableRow["FromColumn"].ToString(), referencedTableRow["FromConstraint"].ToString(), referencedTableRow["FromTable"].ToString(), referencedTableRow["FromColumn"].ToString(), referencedTableRow["ToConstraint"].ToString(), referencedTableRow["ToTable"].ToString(), referencedTableRow["ToColumn"].ToString()); // Load the content of this table dimensionContentDataTable = GetTableContent(referencedTableRow["ToTable"].ToString()); // create DimensionContent-Objects and add them to the current dimension foreach (DataRow dimensionContentRow in dimensionContentDataTable.Rows) { string description = ""; if (dimensionContentRow.ItemArray.Count() > 2) description = dimensionContentRow[2].ToString(); newDimension.DimensionContentsList.Add(new DimensionContent(dimensionContentRow[0].ToString(), dimensionContentRow[1].ToString(), description)); } // save the DimensionColumnNames for generated DB-querys newDimension.DimensionColumnNames = new DimensionColumnNames(dimensionContentDataTable.Columns[0].ColumnName, dimensionContentDataTable.Columns[1].ColumnName, dimensionContentDataTable.Columns[2].ColumnName); dimensionContentDataTable.Reset(); // now recursively find all sub-ListOfDimensions of this Table and add them to the current dimension newDimension.AddDimensionLevel(GetDimensionsOf(referencedTableRow["ToTable"].ToString())); // add the current dimension to the list that will be returned eventually resultingListOfDimensions.Add(newDimension); } return resultingListOfDimensions; } finally { Close(); } }