public static LongsColumn create(ColumnarLongs column, ImmutableBitmap nullValueBitmap)
  {
    if (nullValueBitmap.isEmpty()) {
      return new LongsColumn(column);
    } else {
      return new LongsColumnWithNulls(column, nullValueBitmap);
    }
  }
public static LongsColumn create ( ColumnarLongs column , ImmutableBitmap nullValueBitmap ) { if ( nullValueBitmap . isEmpty ( ) ) { return new LongsColumn ( column ) ; } else { return new LongsColumnWithNulls ( column , nullValueBitmap ) ; } }
Factory method to create LongsColumn.