// @Override
public MutableTable buildTable()
{
int tableObservations = getObservationCount();
// sort column names by copying them to a TreeSet
HashSet <String> columnNames = new HashSet <String>(_columnBuilders.Keys); // new TreeSet<String>(_columnBuilders.keySet());
MutableTable table = new MutableTable(_tableName);
int columnNumber = 0;
foreach (String columnName in columnNames)
{
InferentialColumnBuilder columnBuilder = (InferentialColumnBuilder)getColumnBuilder(columnName);
MutableColumn column = columnBuilder.build();
column.setTable(table);
column.setColumnNumber(columnNumber);
int columnObservations = columnBuilder.getObservationCount();
if (tableObservations > columnObservations)
{
// there may be nulls - some records does not even contain the
// column
column.setNullable(true);
}
table.addColumn(column);
columnNumber++;
}
return(table);
}
// @Override
public ColumnBuilder getColumnBuilder(String column_name)
{
InferentialColumnBuilder column_builder = null;
if (_columnBuilders.ContainsKey(column_name))
{
column_builder = _columnBuilders[column_name];
}
if (column_builder == null)
{
column_builder = new InferentialColumnBuilder(column_name);
_columnBuilders.Add(column_name, column_builder);
}
return(column_builder);
} // getColumnBuilder()
} // constructor
public void addObservation(Document document)
{
_observationCounter.incrementAndGet();
Dictionary <String, object> values = document.getValues();
HashSet <KeyValuePair <object, object> > entries = new HashSet <KeyValuePair <object, object> >();
foreach (String k in values.Keys)
{
entries.Add(new KeyValuePair <object, object>(k, values[k]));
}
foreach (KeyValuePair <object, object> entry in entries)
{
Object key = entry.Key;
if (key != null)
{
String column = key.ToString();
Object value = entry.Value;
InferentialColumnBuilder columnBuilder = (InferentialColumnBuilder)getColumnBuilder(column);
columnBuilder.addObservation(value);
}
}
} // addObservation()