Github user ijokarumawak commented on the issue:
https://github.com/apache/nifi/pull/1450
Hi @ToivoAdams
I think we should think who should manage the DataSource instance. For me,
that should be NiFi DBCPService, because it provides control via NiFi UI or
REST API to users. If we expose the DataSource instance itself, other
components can alter or close the data source and it can cause unexpected
behavior. For example, a custom processor gets data source from DBCPService,
then the processor closes the data source unintentionally, then all other
processors depending on the same DBCPService will stop working.
As for wrapping DBCPService outside, as long as it provides what
JdbcTemplate needs, then it should be a right solution. Wrapping it outside of
NiFi is nothing wrong to do. On the other hand, removing a method from NiFi
framework is harder than adding it. We need to have a good reason to add one to
maintain it for a long term.
If there's anything specific that doesn't work with that approach, it's
easier to discuss.
Thanks!
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