pyflink.datastream.window.SlidingEventTimeWindows#
- class SlidingEventTimeWindows(size: int, slide: int, offset: int)[source]#
A WindowAssigner that windows elements into sliding windows based on the timestamp of the elements. Windows can possibly overlap.
For example, in order to window into windows of 1 minute, every 10 seconds:
>>> data_stream.key_by(lambda x: x[0], key_type=Types.STRING()) \ ... .window(SlidingEventTimeWindows.of(Time.minutes(1), Time.seconds(10)))
Methods
assign_windows(element, timestamp, context)get_default_trigger(env)get_window_serializer()is_event_time()of(size, slide[, offset])Creates a new
SlidingEventTimeWindowsWindowAssignerthat assigns elements to time windows based on the element timestamp and offset.