[jira] [Closed] (FLINK-3317) Add timeout handler to CEP operator

["Till Rohrmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-3317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann closed FLINK-3317.
--------------------------------
    Resolution: Fixed

Added via 57ef6c315ee7aa467d922dd4d1213dfd8bc74fb0

> Add timeout handler to CEP operator
> -----------------------------------
>
>                 Key: FLINK-3317
>                 URL: https://issues.apache.org/jira/browse/FLINK-3317
>             Project: Flink
>          Issue Type: Improvement
>          Components: CEP
>    Affects Versions: 1.0.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Minor
>
> Currently, event sequences which exceed the defined pattern timeout will be discarded. However, in some cases the user might be interested in getting to know when such a timeout occurred to return a default value for these event sequences.
> Thus, the pattern API should be extended to be able to define a timeout handler. Furthermore, the {{NFA}} has to be extended to also return the discarded event sequences. The {{CEPOperator}} would then call for every discarded event sequence the timeout handler.



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