Re: method meaning of class Trigger

[Chesnay Schepler]

Did you read the documentation? 
https://ci.apache.org/projects/flink/flink-docs-master/dev/stream/operators/windows.html#triggers

On 16.07.2018 14:45, Soheil Pourbafrani wrote:
Hi,
In extending class Trigger we have methods like onElement, 
onProcessingTime and onEventTime. I know the method onElement will be 
called when a element is added to the window, but I have no idea about 
when two other methods onProcessingTime and onEventTime will be called?