pyflink.datastream.data_stream.CachedDataStream.window_all

CachedDataStream.window_all(window_assigner: WindowAssigner) → AllWindowedStream

Windows this data stream to a AllWindowedStream, which evaluates windows over a non key grouped stream. Elements are put into windows by a WindowAssigner. The grouping of elements is done by window.

A Trigger can be defined to specify when windows are evaluated. However, WindowAssigners have a default Trigger that is used if a Trigger is not specified.

Parameters

window_assigner – The WindowAssigner that assigns elements to windows.

Returns

The trigger windows data stream.

New in version 1.16.0.