apache / nifi / 4945

90%

Pull #23

travis-ci

NIFI-3216: Add N signals to Wait/Notify

- Support counters at Wait/Notify processors so that NiFi flow can be
  configured to wait for N signals
- Extract Wait/Notify logics into WaitNotifyProtocol
- Added FragmentAttributes to manage commonly used fragment attributes
- Changed existing split processors to set 'fragment.identifier' and
  'fragment.count', so that Wait can use those to wait for all splits
get processed

This closes #1420.

Signed-off-by: Bryan Bende <bbende@apache.org>

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