sumitagrawl commented on code in PR #4578:
URL: https://github.com/apache/ozone/pull/4578#discussion_r1331076726
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hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/server/events/EventWatcher.java:
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@@ -157,13 +146,14 @@ protected synchronized void
handleCompletion(COMPLETION_PAYLOAD
}
}
- private synchronized void handleTimeout(EventPublisher publisher,
+ private synchronized Void handleTimeout(EventPublisher publisher,
Review Comment:
Callback as getting registered has return type is Callback with "Void"
Object, so this gives error if return type mismatch,
Syntax for acquire: `public synchronized Lease<T> acquire(
T resource, Callable<Void> callback)`
Below is error if we keep void:
`Bad return type in lambda expression: void cannot be converted to Void`
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