Re: Help understand how Flink Runner translate triggering information

2016-07-25 Thread Aljoscha Krettek
Hi, for that you would have to look at how Combine.PerKey and GroupByKey are translated. We use a GroupAlsoByWindowViaWindowSetDoFn that internally uses a ReduceFnRunner to manage all the windowing. The windowing strategy as well as the SystemReduceFn is passed to

Help understand how Flink Runner translate triggering information

2016-07-25 Thread Shen Li
Hi, I am trying to understand how Flink Runner tells the Flink system about the triggers defined using Beam API. In the source code of Flink runner, the WindowBoundTranslator passes the windowingStrategy to the FlinkParDoBoundWrapper which does not seem to use it? How is the triggering