org.apache.kafka.streams.processor

Interface TimestampExtractor

All Known Implementing Classes:

ConsumerRecordTimestampExtractor, WallclockTimestampExtractor

public interface TimestampExtractor

An interface that allows the Kafka Streams framework to extract a timestamp from an instance of ConsumerRecord. The extracted timestamp is defined as milliseconds.

Method Summary

Methods

Modifier and Type	Method and Description
long	extract(org.apache.kafka.clients.consumer.ConsumerRecord<java.lang.Object,java.lang.Object> record) Extracts a timestamp from a record.

Method Detail

extract

long extract(org.apache.kafka.clients.consumer.ConsumerRecord<java.lang.Object,java.lang.Object> record)

Extracts a timestamp from a record.

Typically, the timestamp represents the milliseconds since midnight, January 1, 1970 UTC.

Parameters:

record - a data record

Returns:

the timestamp of the record