jolshan commented on code in PR #14444: URL: https://github.com/apache/kafka/pull/14444#discussion_r1350933806
########## core/src/main/scala/kafka/server/KafkaApis.scala: ########## @@ -559,6 +560,30 @@ class KafkaApis(val requestChannel: RequestChannel, } } + case class LeaderNode(leaderId: Int, leaderEpoch: Int, node: Node) + + private def getCurrentLeader(tp: TopicPartition): LeaderNode = { + val partitionInfoOrError = replicaManager.getPartitionOrError(tp) + var leaderId = -1 + var leaderEpoch = -1 + partitionInfoOrError match { + case Right(x) => + leaderId = x.leaderReplicaIdOpt.getOrElse(-1) + leaderEpoch = x.getLeaderEpoch + case Left(x) => + debug(s"Unable to retrieve local leaderId and Epoch with error $x, falling back to metadata cache") + val partitionInfo = metadataCache.getPartitionInfo(tp.topic, tp.partition) + partitionInfo.foreach { info => Review Comment: getPartitionInfo returns an option. If it exists, foreach will access it. If it doesn't foreach does nothing. This is a common pattern in scala. Are we considering the case when the partition is not present? -- 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: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org