mcvsubbu commented on a change in pull request #4025: Extend stream interfaces
to expose message metadata like ingestion timestamp
URL: https://github.com/apache/incubator-pinot/pull/4025#discussion_r270247444
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/realtime/stream/StreamMessageDecoder.java
##########
@@ -54,4 +54,40 @@ void init(Map<String, String> props, Schema indexingSchema,
String topicName)
* @return A new row decoded from the buffer
*/
GenericRow decode(T payload, int offset, int length, GenericRow destination);
+
+ /**
+ * Decodes the payload received into a generic row and optionally returns
any metadata associated
+ * with the message.
+ *
+ * This is an interface default method is provided for backward
compatibility and should be
+ * overridden by implementations that can provide meaningful metadata.
Review comment:
add a ref here to see the StreamMessageMetadata class
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