#
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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
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#    http://www.apache.org/licenses/LICENSE-2.0
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"""DirectRunner, executing on the local machine.

The DirectRunner is a runner implementation that executes the entire
graph of transformations belonging to a pipeline on the local machine.
"""

from __future__ import absolute_import

import itertools
import logging

from google.protobuf import wrappers_pb2

import apache_beam as beam
from apache_beam import coders
from apache_beam import typehints
from apache_beam.internal.util import ArgumentPlaceholder
from apache_beam.options.pipeline_options import DirectOptions
from apache_beam.options.pipeline_options import StandardOptions
from apache_beam.options.value_provider import RuntimeValueProvider
from apache_beam.pvalue import PCollection
from apache_beam.runners.direct.bundle_factory import BundleFactory
from apache_beam.runners.direct.clock import RealClock
from apache_beam.runners.direct.clock import TestClock
from apache_beam.runners.runner import PipelineResult
from apache_beam.runners.runner import PipelineRunner
from apache_beam.runners.runner import PipelineState
from apache_beam.transforms.core import CombinePerKey
from apache_beam.transforms.core import CombineValuesDoFn
from apache_beam.transforms.core import ParDo
from apache_beam.transforms.core import _GroupAlsoByWindow
from apache_beam.transforms.core import _GroupAlsoByWindowDoFn