Xu Mingmin created BEAM-1461:
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Summary: duplication with StartBundle and prepareForProcessing in
DoFn
Key: BEAM-1461
URL: https://issues.apache.org/jira/browse/BEAM-1461
Project: Beam
Issue Type: Improvement
Components: sdk-java-core
Reporter: Xu Mingmin
Assignee: Davor Bonaci
There're one annotation `StartBundle`, and one public function
`prepareForProcessing` in DoFn, which are called both before `ProcessElement`.
It's confused which one should be implemented in a subclass.
The call sequence seems as:
prepareForProcessing -> StartBundle -> processElement
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