def on_event_time(self,
time: int,
window: TimeWindow,
ctx: 'Trigger.TriggerContext') -> TriggerResult:
if time >= window.max_timestamp():
return TriggerResult.FIRE_AND_PURGE
else:
return TriggerResult.CONTINUE
def merge_windows(self,
windows,
callback: 'MergingWindowAssigner.MergeCallback[TimeWindow]') -> None:
window_list = [w for w in windows]
window_list.sort()
for i in range(1, len(window_list)):
if window_list[i - 1].end > window_list[i].start:
callback.merge([window_list[i - 1], window_list[i]],
TimeWindow(window_list[i - 1].start, window_list[i].end))
def assign_windows(self, element: tuple, timestamp: int, context):
return [TimeWindow(timestamp, timestamp + 5)]
def to_internal(self, value) -> TimeWindow:
return TimeWindow(value.getStart(), value.getEnd())