[rules-users] Rule Match deduplication

[michal.antolik]

Hello,

 I have a temporal pattern like 

*A after B*

and a stream as 

*A1,B1,B2,B3,B4,B5,A2,B6*

and if I define a pattern simply as 
$a: Event()
$b: Event(this after $a)

I'll get matches like (A1,B1),(A1,B2),(A1,B3),(A1,B4),...

However I care about first match only and then I want to reset the pattern
so the next one would be (A2,B6). 

Can you please advice how to achieve that? I don't want to do the
deduplication by myself and most importantly I could achieve much better
performance if I could expire partial matches (I cannot expire event since
it might be used by other patterns)

Thanks a lot for help.



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