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Posted to user@flink.apache.org by Main Frame <it...@gmail.com> on 2018/04/16 13:37:50 UTC

Detecting Patterns in CEP

Hi flink users!

Are there any ways to force using custom comparator for pattern stream.
In my use-case I have no event time but I have sequence number field(not a timestamp).
Events can comes to platform with random short delay and can be of the sequence, I hope I can use constant watermark and use custom comparator to check order of messages using sequence field. Is this possible in flink?

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Timofeev Dmitry
VoIP Engineer
Open source telephony solutions
Skype: itsroot
Linkedin: https://www.linkedin.com/in/itsroot