Matthias Pohl created FLINK-31837:
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Summary: Move LeaderElectionDriver instantiated into
DefaultLeaderElectionService's constructor
Key: FLINK-31837
URL: https://issues.apache.org/jira/browse/FLINK-31837
Project: Flink
Issue Type: Sub-task
Components: Runtime / Coordination
Reporter: Matthias Pohl
With the {{MultipleComponentLeaderElection*}} classes we added a circular
dependency between the {{DefaultLeaderElectionService}} and the
{{DefaultMultipleComponentLeaderElectionService}} which calls the
{{DefaultLeaderElectionService.onGrantLeadership}} while registering the
service in
[DefaultMultipleComponentLeaederElectionService:152|https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/leaderelection/DefaultMultipleComponentLeaderElectionService.java#L152].
This call will result in accessing the {{DefaultLeaderElectionService}}
instance which is still in instantiation phase.
We're losing the circular dependency with the
{{MultipleComponentsLeaderElectionDriverAdapter}} class going away. Hence, we
can go ahead and move the driver instantiation into the constructor.
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