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Sergio Bossa commented on CASSANDRA-14754:
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Thanks [~jasonstack]. Also see CASSANDRA-15667.
> Add verification of state machine in StreamSession
> --------------------------------------------------
>
> Key: CASSANDRA-14754
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14754
> Project: Cassandra
> Issue Type: Task
> Components: Legacy/Streaming and Messaging
> Reporter: Jason Brown
> Assignee: ZhaoYang
> Priority: Normal
> Fix For: 4.x
>
>
> {{StreamSession}} contains an implicit state machine, but we have no
> verification of the safety of the transitions between states. For example, we
> have no checks to ensure we cannot leave the final states (COMPLETED, FAILED).
> I propose we add some program logic in {{StreamSession}}, tests, and
> documentation to ensure the correctness of the state transitions.
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