yanghua commented on a change in pull request #6615: [FLINK-8354]
[flink-connectors] Add ability to access and provider Kafka headers
URL: https://github.com/apache/flink/pull/6615#discussion_r213034632
##########
File path:
flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/util/serialization/KeyedDeserializationSchema.java
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@@ -54,4 +55,20 @@
* @return True, if the element signals end of stream, false otherwise.
*/
boolean isEndOfStream(T nextElement);
+
+ /**
+ * Deserializes the byte message.
+ *
+ * @param messageKey the key as a byte array (null if no key has been
set).
+ * @param message The message, as a byte array (null if the message was
empty or deleted).
Review comment:
missed topic parameter description.
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