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https://issues.apache.org/jira/browse/FLINK-19283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-19283:
-----------------------------------
Labels: stale-minor (was: )
> Allow subclasses to override/extend FlinkKafkaConsumerBase checkpoint methods
> -----------------------------------------------------------------------------
>
> Key: FLINK-19283
> URL: https://issues.apache.org/jira/browse/FLINK-19283
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Kafka
> Affects Versions: 1.11.0, 1.11.1
> Reporter: Adrian Kreuziger
> Priority: Minor
> Labels: stale-minor
>
> I'm working on a class that extends the FlinkKafkaConsumer to add some
> additional functionality the first time the consumer runs. I'd like to be
> able to store some additional state, but am unable to do so as the
> initializeState() and snapshotState() are marked as final. Ideally I'd like
> to be able to do something like
> {code:java}
> @Override
> public void initializeState(FunctionInitializationContext context) throws
> Exception {
> super.initializeState(context);
> // some additional initialization here
> }
> @Override
> public void snapshotState(FunctionSnapshotContext context) throws Exception {
> super.snapshotState(context);
> // set some additional state here
> }{code}
> I'm guessing it was marked final for a reason, is there a reason this would
> be problematic? The restoredState and unionOffsetStates properties are still
> private which would prevent subclasses from modifying the offset state.
>
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