Yes Kostas, thank you for the explanation , I will take a look Regards, Vinay Patil
On Tue, Oct 4, 2016 at 11:23 AM, Kostas Kloudas [via Apache Flink User Mailing List archive.] <ml-node+s2336050n9332...@n4.nabble.com> wrote: > Hi Vinay, > > These methods are useful when using your trigger with SessionWindows. When > using session windows, > the state of a window and that of the corresponding trigger has to be > merged with that of other windows. > > These methods do exactly that: the canMerge() says if the trigger can be > used with Session Windows, and if yes, > the onMerge() includes the logic of what to do with the trigger state when > a window merging happens. > > As an example you can check out the CountTrigger. > > I hope this answers your question. > > Cheers, > Kostas > > On Oct 4, 2016, at 6:10 PM, vinay patil <[hidden email] > <http:///user/SendEmail.jtp?type=node&node=9332&i=0>> wrote: > > Hi Kostas, > > Yes you are right , I am always doing FIRE_AND_PURGE , if we don't do > this and only use FIRE , the window function will get the elements > in incremental fashion (1, 2,3..so on) > I had observed this while testing. > > Can you please explain me the importance of canMerge and onMerge functions > in trigger, from the javadocs I got it on a high level, but not able to > understand it correctly (so I am not using these functions for now in > Custom Trigger). > > Regards, > Vinay Patil > > On Tue, Oct 4, 2016 at 10:51 AM, Kostas Kloudas [via Apache Flink User > Mailing List archive.] <<a href="x-msg://14/user/ > SendEmail.jtp?type=node&node=9331&i=0" target="_top" > rel="nofollow" link="external" class="">[hidden email]> wrote: > >> Hi Vinay, >> >> By setting the allowed_lateness to LongMax you are ok. >> Sorry I forgot that this was the default value. >> >> Just a note (although you have it right in your code), in this case >> you should always FIRE_AND_PURGE and not just FIRE. In other >> case your state will keep growing as it is never garbage collected. >> >> Cheers, >> Kostas >> >> >> On Oct 4, 2016, at 5:42 PM, vinay patil <[hidden email] >> <http://user/SendEmail.jtp?type=node&node=9329&i=0>> wrote: >> >> Long.MAX_VALUE >> >> >> >> >> ------------------------------ >> If you reply to this email, your message will be added to the discussion >> below: >> http://apache-flink-user-mailing-list-archive.2336050.n4. >> nabble.com/Regarding-Late-Elements-tp9284p9329.html >> To start a new topic under Apache Flink User Mailing List archive., email >> <a href="x-msg://14/user/SendEmail.jtp?type=node&node=9331&i=1" >> target="_top" rel="nofollow" link="external" class="">[hidden email] >> To unsubscribe from Apache Flink User Mailing List archive., click here. >> NAML >> <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> >> > > > ------------------------------ > View this message in context: Re: Regarding Late Elements > <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Regarding-Late-Elements-tp9284p9331.html> > Sent from the Apache Flink User Mailing List archive. mailing list archive > <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/> at > Nabble.com <http://nabble.com>. > > > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > http://apache-flink-user-mailing-list-archive.2336050. > n4.nabble.com/Regarding-Late-Elements-tp9284p9332.html > To start a new topic under Apache Flink User Mailing List archive., email > ml-node+s2336050n1...@n4.nabble.com > To unsubscribe from Apache Flink User Mailing List archive., click here > <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=1&code=dmluYXkxOC5wYXRpbEBnbWFpbC5jb218MXwxODExMDE2NjAx> > . > NAML > <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > -- View this message in context: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Regarding-Late-Elements-tp9284p9335.html Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.
