pyflink.datastream.window.NeverTrigger#
- class NeverTrigger(*args, **kwds)[source]#
A trigger that never fires, as default Trigger for GlobalWindows.
Methods
can_merge()Note
If this returns true you must properly implement
on_merge()clear(window, ctx)Clears any state that the trigger might still hold for the given window.
on_element(element, timestamp, window, ctx)Called for every element that gets added to a pane.
on_event_time(time, window, ctx)Called when an event-time timer that was set using the trigger context fires.
on_merge(window, ctx)Called when several windows have been merged into one window by the
WindowAssigner.on_processing_time(time, window, ctx)Called when a processing-time timer that was set using the trigger context fires.