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base_handler.py 1.1 kB

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  1. # Copyright 2020 Huawei Technologies Co., Ltd
  2. #
  3. # Licensed under the Apache License, Version 2.0 (the "License");
  4. # you may not use this file except in compliance with the License.
  5. # You may obtain a copy of the License at
  6. #
  7. # http://www.apache.org/licenses/LICENSE-2.0
  8. #
  9. # Unless required by applicable law or agreed to in writing, software
  10. # distributed under the License is distributed on an "AS IS" BASIS,
  11. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. # See the License for the specific language governing permissions and
  13. # limitations under the License.
  14. # ============================================================================
  15. """Define the stream handler base."""
  16. from abc import abstractmethod
  17. class StreamHandlerBase:
  18. """The stream handler base."""
  19. @abstractmethod
  20. def put(self, value):
  21. """Abstract method of set data."""
  22. return NotImplementedError
  23. @abstractmethod
  24. def get(self, filter_condition):
  25. """Abstract method of get data."""
  26. return NotImplementedError
  27. def clean(self):
  28. """Clean cache."""
  29. self.__init__()