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nodepool/nodepool/zk/handler.py

37 lines
1.2 KiB

# Copyright 2021 Acme Gating, LLC
#
# 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.
from concurrent.futures import ThreadPoolExecutor
from kazoo.handlers.threading import SequentialThreadingHandler
class PoolSequentialThreadingHandler(SequentialThreadingHandler):
def __init__(self):
super().__init__()
self._pool_executor = None
def start(self):
self._pool_executor = ThreadPoolExecutor(max_workers=10)
super().start()
def stop(self):
super().stop()
if self._pool_executor:
self._pool_executor.shutdown()
self._pool_executor = None
def short_spawn(self, func, *args, **kwargs):
self._pool_executor.submit(func, *args, **kwargs)