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https://issues.apache.org/jira/browse/FLINK-8500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16462345#comment-16462345
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Fred Teunissen commented on FLINK-8500:
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[~aljoscha] I have some time that I can spend on this, so yes I'm interested. I
can also update the current PR with the changes unless you think it's better to
make a new fresh PR for this.
There are now 3 possible approaches.
# Kafka {{ConsumerRecord}} as parameter in the Flink API
# a new {{ConsumerRecordMetaInfo}} class as parameter for the {{deserialize}}
method
# extend the interface {{KeyedDeserializationSchema}} with a new method,
although I don't know how to give an interface default behavior in java.
I'm leaning to almost the same approach I used now, creating a new separate
interface {{RichDeserializationSchema}} with a {{deserialize}} method with a
{{ConsumerRecordMetaInfo}} parameter. Also create a
{{RichDeserializationSchemaWrapper}} for implementing the current API for
backwards compatibility
Do you think this is the right approach?
> Get the timestamp of the Kafka message from kafka consumer(Kafka010Fetcher)
> ---------------------------------------------------------------------------
>
> Key: FLINK-8500
> URL: https://issues.apache.org/jira/browse/FLINK-8500
> Project: Flink
> Issue Type: Improvement
> Components: Kafka Connector
> Affects Versions: 1.4.0
> Reporter: yanxiaobin
> Priority: Major
> Fix For: 1.6.0
>
> Attachments: image-2018-01-30-14-58-58-167.png,
> image-2018-01-31-10-48-59-633.png
>
>
> The method deserialize of KeyedDeserializationSchema needs a parameter
> 'kafka message timestamp' (from ConsumerRecord) .In some business scenarios,
> this is useful！
>
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