[jira] [Created] (FLINK-31837) Move LeaderElectionDriver instantiated into DefaultLeaderElectionService's constructor

["Matthias Pohl (Jira)" <ji...@apache.org>]

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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