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https://issues.apache.org/jira/browse/FLINK-2160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572478#comment-14572478
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Gyula Fora commented on FLINK-2160:
-----------------------------------
Ah, sorry :)
> Change Streaming Source Interface to run(Context)/cancel()
> ----------------------------------------------------------
>
> Key: FLINK-2160
> URL: https://issues.apache.org/jira/browse/FLINK-2160
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
>
> This will make the source interface more extensible in the future without
> breaking existing sources (after the change). Right now, the context would
> have methods for element emission and for retrieving the checkpoint lock for
> checkpointed sources. In the future this can be extended to allow emission of
> elements with timestamp and for dealing with watermark emission.
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