Hi,
onEventTime() will be called when the watermark passes <current
watermark> + 100_000, where <current watermark> is the watermark at the
time when you set the timer. Does the watermark advance that far?
Cheers,
Aljoscha
On Thu, 8 Dec 2016 at 01:51 Sendoh <unicorn.bana...@gmail.com> wrote:
> Hi Flink users,
>
> Can I ask is my understanding of onEventTime() correct?
>
> In my custom trigger, I have sth as follows:
>
> onElement(JSONObject element, long timestamp, W window, TriggerContext
> ctx){
> if(count == 3) {
> ctx.registerEventTimeTimer(ctx.getWatermark+100000);
> return TriggerResult.Continue;
> }
> }
>
> onEventTime(long time, W window, TriggerContext ctx){
> return TriggerResult.FIRE_AND_PURGE;
> }
>
> and I expect onEventTime(long time, W window, TriggerContext ctx) will be
> called when watermark has passed 100000 millis.
>
> but nothing happens,,,did I misunderstand sth?
>
> Best,
>
> Hung Chang
>
>
>
> --
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