Source code for apache_beam.transforms.xlang.io

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# NOTE: This file contains autogenerated external transform(s)
# and should not be edited by hand.
# Refer to gen_xlang_wrappers.py for more info.

"""Cross-language transforms in this module can be imported from the
:py:mod:`apache_beam.io` package."""

# pylint:disable=line-too-long

from apache_beam.transforms.external import BeamJarExpansionService
from apache_beam.transforms.external_transform_provider import ExternalTransform


[docs] class GenerateSequence(ExternalTransform): """ Outputs a PCollection of Beam Rows, each containing a single INT64 number called "value". The count is produced from the given "start" value and either up to the given "end" or until 2^63 - 1. To produce an unbounded PCollection, simply do not specify an "end" value. Unbounded sequences can specify a "rate" for output elements. In all cases, the sequence of numbers is generated in parallel, so there is no inherent ordering between the generated values """ identifier = "beam:schematransform:org.apache.beam:generate_sequence:v1" def __init__(self, start, end=None, rate=None, expansion_service=None): """ :param start: (numpy.int64) The minimum number to generate (inclusive). :param end: (numpy.int64) The maximum number to generate (exclusive). Will be an unbounded sequence if left unspecified. :param rate: (Row(elements=<class 'numpy.int64'>, seconds=typing.Optional[numpy.int64])) Specifies the rate to generate a given number of elements per a given number of seconds. Applicable only to unbounded sequences. """ self.default_expansion_service = BeamJarExpansionService( "sdks:java:io:expansion-service:shadowJar") super().__init__( start=start, end=end, rate=rate, expansion_service=expansion_service)