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Posted to dev@flink.apache.org by "Zhijiang (Jira)" <ji...@apache.org> on 2020/03/23 03:31:00 UTC
[jira] [Created] (FLINK-16712) Refactor StreamTask to construct
final fields
Zhijiang created FLINK-16712:
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Summary: Refactor StreamTask to construct final fields
Key: FLINK-16712
URL: https://issues.apache.org/jira/browse/FLINK-16712
Project: Flink
Issue Type: Task
Components: Runtime / Task
Reporter: Zhijiang
Assignee: Zhijiang
Fix For: 1.11.0
At the moment there are four fields initialized in the method of StreamTask#beforeInvoke, such as `stateBackend`, `checkpointStorage`, `timerService`, `asyncOperationsThreadPool`.
In general it is suggested to use final fields to get known benefits. So we can refactor the StreamTask to initialize these fields in the constructor instead.
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