Source code for taskflow.conductors.backends.impl_blocking

#    Licensed 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
#
#         http://www.apache.org/licenses/LICENSE-2.0
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#    under the License.

import futurist

from taskflow.conductors.backends import impl_executor




[docs]
class BlockingConductor(impl_executor.ExecutorConductor):
    """Blocking conductor that processes job(s) in a blocking manner."""

    MAX_SIMULTANEOUS_JOBS = 1
    """
    Default maximum number of jobs that can be in progress at the same time.
    """

    @staticmethod
    def _executor_factory():
        return futurist.SynchronousExecutor()

    def __init__(
        self,
        name,
        jobboard,
        persistence=None,
        engine=None,
        engine_options=None,
        wait_timeout=None,
        log=None,
        max_simultaneous_jobs=MAX_SIMULTANEOUS_JOBS,
    ):
        super().__init__(
            name,
            jobboard,
            persistence=persistence,
            engine=engine,
            engine_options=engine_options,
            wait_timeout=wait_timeout,
            log=log,
            max_simultaneous_jobs=max_simultaneous_jobs,
        )