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Currently Nifi supports CRON, Timer and Event drive scheduling. The CRON scheduling uses Quartz framework to evaluate CRON expression. The CRON based scheduling functionality can be enhanced to support Business calendar and Holiday calendar.

e.g. A processor is scheduled to run on 1st Monday of every month. However if 4th July falls on Monday which is holiday, then processor should skip that execution on that day and instead should be scheduled to run on next business day i.e. Tuesday 5th July

To support such functionality, following features need to be implemented

1. Ability to create Holiday Calendars ( Calendar name and list of Holidays)
2. Ability to attach Holiday calendar to CRON schedule
3. Ability to execute and reschedule processor based on CRON expression and attached holiday calendar