pyflink.datastream.functions.ProcessAllWindowFunction#
- class ProcessAllWindowFunction[source]#
Base interface for functions that are evaluated over non-keyed windows using a context for retrieving extra information.
Methods
clear
(context)Deletes any state in the
Context
when the Window expires (the watermark passes its max_timestamp + allowed_lateness).close
()open
(runtime_context)process
(context, elements)Evaluates the window and outputs none or several elements.