[Backlogmanager] [FIWARE-JIRA] (HELP-8835) [fiware-stackoverflow] Proton CEP Fiware: delete old received events

[José Ignacio Carretero Guarde (JIRA)]

     [ https://jira.fiware.org/browse/HELP-8835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

José Ignacio Carretero Guarde reassigned HELP-8835:
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    Assignee: Backlog Manager

> [fiware-stackoverflow] Proton CEP Fiware: delete old received events
> --------------------------------------------------------------------
>
>                 Key: HELP-8835
>                 URL: https://jira.fiware.org/browse/HELP-8835
>             Project: Help-Desk
>          Issue Type: Monitor
>          Components: FIWARE-TECH-HELP
>            Reporter: Backlog Manager
>            Assignee: Backlog Manager
>              Labels: cep, fiware, fiware-cep
>
> Created question in FIWARE Q/A platform on 15-03-2016 at 11:03
> {color: red}Please, ANSWER this question AT{color} https://stackoverflow.com/questions/36008449/proton-cep-fiware-delete-old-received-events
> +Question:+
> Proton CEP Fiware: delete old received events
> +Description:+
> I've got this kind of problem with Proton CEP: i currently have a "Sequence" EPA; its input are 2 events. But these events have different granularity: let's say i have A and B events; i receive N "A" events, and M "B" events, where M << N.
> So i'd like to have a rule like "if event of type A is not consumed within X seconds, remove it", otherwise i've got a long A events queue; i only need the rule to be evaluated for closest (temporally) events.
> Practically, i've got a fake room temperature sensor that sends its temperature updates every 5seconds, and i've got another program that checks external weather and sends it every minute.
> Any idea how to solve this situation?
> Thank you very much!



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