public void onTimer()

in long-ride-alerts/src/solution/java/org/apache/flink/training/solutions/longrides/LongRidesSolution.java [151:159]


        public void onTimer(long timestamp, OnTimerContext context, Collector<Long> out)
                throws Exception {

            // the timer only fires if the ride was too long
            out.collect(rideState.value().rideId);

            // clearing now prevents duplicate alerts, but will leak state if the END arrives
            rideState.clear();
        }