8a644c1166
The notification listener doesn't have anything to send to the notifier and the notifier doesn't attend to receive something. So this patch remove the message reply when the listener is a notification listener. Partial implements blueprint notification-subscriber-server Change-Id: Ic989947ba3b6894cde788422842fca19159ea261
47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
# Copyright 2013 Red Hat, Inc.
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# Copyright 2013 New Dream Network, LLC (DreamHost)
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo.messaging._executors import base
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class BlockingExecutor(base.ExecutorBase):
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"""A message executor which blocks the current thread.
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The blocking executor's start() method functions as a request processing
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loop - i.e. it blocks, processes messages and only returns when stop() is
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called from a dispatched method.
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Method calls are dispatched in the current thread, so only a single method
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call can be executing at once. This executor is likely to only be useful
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for simple demo programs.
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"""
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def __init__(self, conf, listener, dispatcher):
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super(BlockingExecutor, self).__init__(conf, listener, dispatcher)
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self._running = False
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def start(self):
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self._running = True
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while self._running:
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with self.dispatcher(self.listener.poll()) as callback:
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callback()
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def stop(self):
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self._running = False
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def wait(self):
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pass
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