Hi antonio, Regarding your scenario, I think maybe you can consider using the ProcessFunction (or keyed ProcessFunction) function directly on the Stream. [1] It can handle each of your elements with a Timer, and you can combine Flink's state API[2] to store your data.
[1]: https://ci.apache.org/projects/flink/flink-docs-stable/dev/stream/operators/process_function.html#process-function-low-level-operations [2]: https://ci.apache.org/projects/flink/flink-docs-release-1.6/dev/stream/state/state.html#working-with-state Thanks, vino. antonio saldivar <ansal...@gmail.com> 于2018年8月19日周日 上午10:18写道: > hi Vino > > it is possible to use global window, then set the trigger onElement > comparing the element that has arrived with for example 10 mins, 20 mins > and 60 mins of data? > > I have rules evaluating sum of amount for 10,20 or 60 mins for the same > keyed element if the same id sum like $200 total within those thresholds > and count more or equals to 3 I need to be able to set some values to the > object if the object does not reach those thresholds i do not set the > values and keep sending the output with or without those value. > > just processing the object on the fly and send output > > > > > > > > El vie., 17 ago. 2018 a las 22:14, vino yang (<yanghua1...@gmail.com>) > escribió: > >> Hi antonio, >> >> Yes, ProcessWindowFunction is a very low level window function. >> It allows you to access the data in the window and allows you to >> customize the output of the window. >> So if you use it, while giving you flexibility, you need to think about >> other things, which may require you to write more processing logic. >> >> Generally speaking, sliding windows usually have some data that is >> repeated, but a common mode is to apply a reduce function on it to get your >> calculation results. >> If you only send data, there will definitely be some duplication. >> >> Thanks, vino. >> >> antonio saldivar <ansal...@gmail.com> 于2018年8月17日周五 下午12:01写道: >> >>> Hi Vino >>> thank you for the information, actually I am using a trigger alert and >>> processWindowFunction to send my results, but when my window slides or ends >>> it sends again the objects and I an getting duplicated data >>> >>> El jue., 16 ago. 2018 a las 22:05, vino yang (<yanghua1...@gmail.com>) >>> escribió: >>> >>>> Hi Antonio, >>>> >>>> What results do not you want to get when creating each window? >>>> Examples of the use of ProcessWindowFunction are included in many test >>>> files in Flink's project, such as SideOutputITCase.scala or >>>> WindowTranslationTest.scala. >>>> >>>> For more information on ProcessWindowFunction, you can refer to the >>>> official website.[1] >>>> >>>> [1]: >>>> https://ci.apache.org/projects/flink/flink-docs-release-1.6/dev/stream/operators/windows.html#processwindowfunction >>>> >>>> Thanks, vino. >>>> >>>> antonio saldivar <ansal...@gmail.com> 于2018年8月17日周五 上午6:24写道: >>>> >>>>> Hello >>>>> >>>>> I am implementing a data stream where I use sliding windows but I am >>>>> stuck because I need to set values to my object based on some if >>>>> statements >>>>> in my process function and send the object to the next step but I don't >>>>> want results every time a window is creating >>>>> >>>>> if anyone has a good example on this that can help me >>>>> >>>>