Jose Armando Garcia Sancio created KAFKA-12982:
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Summary: Notify listeners of raft client shutdowns
Key: KAFKA-12982
URL: https://issues.apache.org/jira/browse/KAFKA-12982
Project: Kafka
Issue Type: Sub-task
Reporter: Jose Armando Garcia Sancio
`RaftClient.Listener.beginShutdown` should be called when the `RaftClient` is
shutting down. I think there should be two ways to terminate the `RaftClient`.
Those are `shutdown` and `close`.
It looks like the current code for `close` only closes the metrics registry. It
doesn't notify the listeners that the raft client was close. It doesn't stop
future `poll` from updating the raft client.
There is also an assumption that `shutdown` can only be called once. I think to
satisfy this we should remove this method from `RaftClient` and keep it as
implementation method in `KafkaRaftClient`.
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