Source code for apache_beam.error

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"""Python Dataflow error classes."""

# pytype: skip-file




class BeamError(Exception):
  """Base class for all Beam errors."""





class PipelineError(BeamError):
  """An error in the pipeline object (e.g. a PValue not linked to it)."""





class PValueError(BeamError):
  """An error related to a PValue object (e.g. value is not computed)."""





class RunnerError(BeamError):
  """An error related to a Runner object (e.g. cannot find a runner to run)."""





class RuntimeValueProviderError(RuntimeError):
  """An error related to a ValueProvider object raised during runtime."""





class SideInputError(BeamError):
  """An error related to a side input to a parallel Do operation."""





class TransformError(BeamError):
  """An error related to a PTransform object."""