Upgrade Beam version
Depends on !187 (merged).
Fix #304 (closed).
Open issues:
-
null
can (probably) no longer be used as tombstone in UC4 as reported by spotbugs -
test all implementations (see below) -
UC1 / Flink -
UC1 / Samza -
UC2 / Flink -
UC2 / Samza -
UC3 / Flink -
UC3 / Samza -
UC4 / Flink -
UC4 / Samza
-
Edited by Sören Henning