ijuma commented on a change in pull request #9202: URL: https://github.com/apache/kafka/pull/9202#discussion_r475046516
########## File path: core/src/main/scala/kafka/coordinator/group/GroupMetadataManager.scala ########## @@ -1401,16 +1401,17 @@ object GroupMetadataManager { val version = buffer.getShort val valueSchema = schemaForGroupValue(version) val value = valueSchema.read(buffer) + val maxVersion = GROUP_VALUE_SCHEMAS.size - 1 - if (version >= 0 && version <= 3) { + if (0 to maxVersion contains version) { val generationId = value.get(GENERATION_KEY).asInstanceOf[Int] val protocolType = value.get(PROTOCOL_TYPE_KEY).asInstanceOf[String] val protocol = value.get(PROTOCOL_KEY).asInstanceOf[String] val leaderId = value.get(LEADER_KEY).asInstanceOf[String] val memberMetadataArray = value.getArray(MEMBERS_KEY) val initialState = if (memberMetadataArray.isEmpty) Empty else Stable val currentStateTimestamp: Option[Long] = version match { Review comment: We should use an if/else here, no point in using pattern matching. ########## File path: core/src/main/scala/kafka/coordinator/group/GroupMetadataManager.scala ########## @@ -1401,16 +1401,17 @@ object GroupMetadataManager { val version = buffer.getShort val valueSchema = schemaForGroupValue(version) val value = valueSchema.read(buffer) + val maxVersion = GROUP_VALUE_SCHEMAS.size - 1 - if (version >= 0 && version <= 3) { + if (0 to maxVersion contains version) { Review comment: I'd keep the old code and simply change the second clause to use `maxVersion`. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org