It always called sequentially in a single thread. A given operator runs in its main thread and all the calls on the operator are called with in the same thread.
Regards, Ashwin. On Mon, Jan 25, 2016 at 2:13 PM, Bryan Bende <[email protected]> wrote: > Hello, > > Quick beginner question regarding the life-cycle of operators... > > Can emitTuples() get called concurrently by multiple threads? or is it > always called sequentially for a given window until endWindow() is called? > > Thanks, > > Bryan > -- Regards, Ashwin.
