Hi, Chen is correct! I think it would be nice, though, to also add that functionality for ProcessWindowFunction and I think this should be easy to do since the interface is very similar to ProcessFunction and we could also add that to the Context.
Best, Aljoscha > On 9. Sep 2017, at 06:22, Chen Qin <qinnc...@gmail.com> wrote: > > Hi Prabhu, > > That is good question, the short answer is not yet, only ProcessFunction was > given flexibility of doing customized sideoutput at the moment. > Window Function wasn't given such flexibility partially due to sideoutput > initially targeting late arriving event for window use cases. > > +@Aljoscha might have better picture on this question. > > Thanks, > Chen > > On Fri, Sep 8, 2017 at 7:19 PM, Prabhu V <vpra...@gmail.com > <mailto:vpra...@gmail.com>> wrote: > Hi, > > Can we have a side output from a process window function ? > > I am currently genrating a side output from a process function. The main > output of the process function is then Windowed and a ProcessWindowFunction > is applied on the windows. > > Can I add to the SideOutpuStream from the ProcessWindowFunction. I am unable > to find any api that enables this functionality. > > Thanks, > Prabhu >
