zentol commented on code in PR #22422: URL: https://github.com/apache/flink/pull/22422#discussion_r1175053815
########## flink-runtime/src/main/java/org/apache/flink/runtime/leaderelection/LeaderElectionEventHandler.java: ########## @@ -39,12 +40,29 @@ public interface LeaderElectionEventHandler { */ void onGrantLeadership(UUID newLeaderSessionId); + /** + * Called by specific {@link LeaderElectionDriver} when the leadership is granted. + * + * <p>This method will trigger the grant event processing in a separate thread. + * + * @param newLeaderSessionId the valid leader session id + */ + CompletableFuture<Void> onGrantLeadershipAsync(UUID newLeaderSessionId); Review Comment: > How would we determine that we're running in the main thread? Do we need to know that? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org