Hi,
this looks almost correct. In your written description you say that the Trigger 
should fire after the allowed lateness if a signal event was received. In your 
code, however, you fire at the timestamp of the signal event.

Best,
Aljoscha
> On 3. Apr 2017, at 18:45, nragon <nuno.goncal...@wedotechnologies.com> wrote:
> 
> Hi Stephan,
> 
> My use case is the following:
> Every time an event is processed with a signal event the window must be
> fired after the allowed lateness. If no signal event arrives the window must
> close after the gap, like in session window.
> I’m registering a timer for signal + allowed lateness.
> Hope you can tell me if you think this is a good idea :)
> EventTimeSessionSignalTrigger.java
> <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/file/n12509/EventTimeSessionSignalTrigger.java>
>   
> SignalReduceFunction.java
> <http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/file/n12509/SignalReduceFunction.java>
>   
> 
> Thanks,
> Nuno
> 
> 
> 
> 
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