@Override
public void processElement(ProcessContext c) throws Exception {
KeyedWorkItem<K, InputT> element = c.element();
K key = c.element().key();
TimerInternals timerInternals = c.windowingInternals().timerInternals();
StateInternals<K> stateInternals = stateInternalsFactory.stateInternalsForKey(key);
ReduceFnRunner<K, InputT, OutputT, W> reduceFnRunner =
new ReduceFnRunner<>(
key,
windowingStrategy,
ExecutableTriggerStateMachine.create(
TriggerStateMachines.stateMachineForTrigger(windowingStrategy.getTrigger())),
stateInternals,
timerInternals,
WindowingInternalsAdapters.outputWindowedValue(c.windowingInternals()),
WindowingInternalsAdapters.sideInputReader(c.windowingInternals()),
droppedDueToClosedWindow,
reduceFn,
c.getPipelineOptions());
reduceFnRunner.processElements(element.elementsIterable());
for (TimerData timer : element.timersIterable()) {
reduceFnRunner.onTimer(timer);
}
reduceFnRunner.persist();
}
public void fireTimer(W window, Instant timestamp, TimeDomain domain) {
runner.onTimer(
TimerData.of(StateNamespaces.window(windowFn.windowCoder(), window), timestamp, domain));
}
