def to_internal(self, value) -> IN:
if value is None:
return None
row = Row()
row._values = [self._field_data_converters[i].to_internal(item)
for i, item in enumerate(value[1])]
row.set_field_names(self._field_names)
row.set_row_kind(RowKind(value[0]))
return row
def decode_from_stream(self, in_stream, length=0) -> Row:
row_kind_and_null_mask = self._mask_utils.read_mask(in_stream)
fields = [None if row_kind_and_null_mask[idx + ROW_KIND_BIT_SIZE] else
self._field_coders[idx].decode_from_stream(in_stream)
for idx in range(0, self._field_count)]
# compute the row_kind value
row_kind_value = 0
for i in range(ROW_KIND_BIT_SIZE):
row_kind_value += int(row_kind_and_null_mask[i]) * 2 ** i
row = Row(*fields)
row.set_field_names(self._field_names)
row.set_row_kind(RowKind(row_kind_value))
return row
