Matthias J. Sax created FLINK-3405:
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Summary: Extend NiFiSource with interface StoppableFunction
Key: FLINK-3405
URL: https://issues.apache.org/jira/browse/FLINK-3405
Project: Flink
Issue Type: Improvement
Components: Streaming Connectors
Reporter: Matthias J. Sax
Nifi source is not stoppable right now. To make it stoppable, is must implement
{{StoppableFunction}}. Implementing method {{stop()}} must ensure, that the
source stops receiving new messages from Nifi and issues a final checkpoint.
Afterwards, {{run()}} must return.
When implementing this, keep in mind, that the gathered checkpoint might later
be used as a savepoint.
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