Bryan Bende created NIFI-3216:
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Summary: Add ability to wait for N signals to Wait/Notify
processors
Key: NIFI-3216
URL: https://issues.apache.org/jira/browse/NIFI-3216
Project: Apache NiFi
Issue Type: Improvement
Affects Versions: 1.2.0
Reporter: Bryan Bende
The recently added Wait and Notify processors allow a flow file to be held at
the Wait processor until a signal is received in the Notify processor. It would
be nice to be able to wait for N signals before releasing.
One way this could be done is to have a property like "Signal Count" on the
Wait processor, and then count the keys in the cache starting with some
pattern, and release when the # of keys equals the signal count.
This would require the ability to get all the keys from the cache, or at least
get all keys matching a pattern:
https://issues.apache.org/jira/browse/NIFI-3214
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