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# -*- coding: utf-8 -*-
# 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
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import futurist
from taskflow.conductors.backends import impl_executor
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(BlockingConductor, self).__init__(
name, jobboard,
persistence=persistence, engine=engine,
engine_options=engine_options,
wait_timeout=wait_timeout, log=log,
max_simultaneous_jobs=max_simultaneous_jobs)
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