def on_element(self, element, timestamp, window: W) -> bool:
if window.max_timestamp() <= self._ctx.get_current_watermark():
# if the watermark is already past the window fire immediately
return True
else:
self._ctx.register_event_time_timer(window.max_timestamp())
return False
def _cleanup_time(self, window: W) -> int:
if self._window_assigner.is_event_time():
cleanup_time = window.max_timestamp() + self._allowed_lateness
if cleanup_time >= window.max_timestamp():
return cleanup_time
else:
return MAX_LONG_VALUE
else:
return window.max_timestamp()
def clear(self, window: W) -> None:
self._ctx.delete_event_time_timer(window.max_timestamp())
def on_merge(self, window: W, merge_context: TriggerContext):
self._ctx.register_event_time_timer(window.max_timestamp())
def on_event_time(self, time: int, window: W) -> bool:
return time == window.max_timestamp()
def clear(self, window: W) -> None:
self._ctx.delete_processing_time_timer(window.max_timestamp())
def on_processing_time(self, time: int, window: W) -> bool:
return time == window.max_timestamp()
def on_element(self, element, timestamp, window: W) -> bool:
self._ctx.register_processing_time_timer(window.max_timestamp())
return False