pyflink.datastream.window.CountSlidingWindowAssigner#
- class CountSlidingWindowAssigner(window_size: int, window_slide: int)[source]#
A WindowAssigner that windows elements into sliding windows based on the count number of the elements. Windows can possibly overlap.
Methods
assign_windows
(element, timestamp, context)- param element
The element to which windows should be assigned.
get_default_trigger
(env)- param env
The StreamExecutionEnvironment used to compile the DataStream job.
get_window_serializer
()- return
A TypeSerializer for serializing windows that are assigned by this WindowAssigner.
is_event_time
()- return
True if elements are assigned to windows based on event time, false otherwise.
of
(window_size, window_slide)