b88084003f
The change introduces the possibility to run the persister with the new confluent-kafka client. It has to be enabled in the configuration file. Story: 2003705 Task: 30117 Depends-On: https://review.opendev.org/675297 Change-Id: I05428b8ae9e0ba9af5b81d3b103434ebd5657108
23 lines
861 B
Python
23 lines
861 B
Python
# 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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class Singleton(type):
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def __init__(cls, name, bases, d):
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super(Singleton, cls).__init__(name, bases, d)
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cls.instance = None
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def __call__(cls, *args, **kw):
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if cls.instance is None:
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cls.instance = super(Singleton, cls).__call__(*args, **kw)
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return cls.instance
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