snuyanzin commented on code in PR #2: URL: https://github.com/apache/flink-connector-jdbc/pull/2#discussion_r1528634655
########## flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/xa/JobSubtask.java: ########## @@ -0,0 +1,50 @@ +package org.apache.flink.connector.jdbc.xa; + +import org.apache.flink.api.common.functions.RuntimeContext; +import org.apache.flink.api.connector.sink2.Sink; + +import java.io.Serializable; + +/** Job identifier. */ +public class JobSubtask implements Serializable { Review Comment: ```suggestion @Internal class JobSubtask implements Serializable { ``` i guess we need to mark it internal and harden modifier especially to prevent case when someone modifies content of byte array `jobId` -- 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