Thank you very much,I think I got it. I'm gonna learn more about the window state.
At 2022-08-18 10:52:25, "yanfei lei" <fredia...@gmail.com> wrote: >Hi, there are two methods on the Context object that a process() invocation >receives that allows access to the two types of state: > > - globalState(), which allows access to keyed state that is not scoped > to a window > - windowState(), which allows access to keyed state that is also scoped > to the window > >maybe you can refer to the implementation of WindowReaderTest ><https://github.com/apache/flink/blob/master/flink-libraries/flink-state-processing-api/src/test/java/org/apache/flink/state/api/input/WindowReaderTest.java> >. > >Best, >Yanfei > >2022年8月18日 上午10:05,曲洋 <quyanghao...@126.com> 写道: > >Hi dear engineers, > >I have one question: does flink streaming support getting the state.I >override the open method in the map processor,initializing the state(some >metric for the data) .How can I get the state in my window? > >Thanks for your help!