beliefer commented on code in PR #26469: URL: https://github.com/apache/flink/pull/26469#discussion_r2046561417
########## flink-runtime/src/main/java/org/apache/flink/streaming/runtime/tasks/mailbox/TaskMailbox.java: ########## @@ -97,26 +97,32 @@ public interface TaskMailbox { boolean hasMail(); /** - * Returns an optional with either the oldest mail from the mailbox (head of queue) if the - * mailbox is not empty or an empty optional otherwise. + * Returns an optional with either the oldest mail from the mailbox if the mailbox is not empty + * or an empty optional otherwise. Note that the priority is given to retrieving email from the + * head of batch, and when email cannot be retrieved from the batch, it is retrieved from the + * head of queue. This also means that emails in batch are older than emails in queue. Review Comment: Adds comments to increasing the readability of `tryTake` and `take`. These comments show below. `Note that the priority is given to retrieving email from the head of batch, and when email cannot be retrieved from the batch, it is retrieved from the head of queue. This also means that emails in batch are older than emails in queue.` -- 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