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https://jira.qos.ch/browse/SLF4J-192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=19389#comment-19389
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Ondrej Zizka commented on SLF4J-192:
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The point of having a method in an interface is that the implementation have
different way to handle some event, and you want to abstractly notify these
implementations about the event. Some implementations do nothing, so they have
a no-op implementation. Other implementations may need to release some
resources.
I hope I helped you to understand the purpose of interfaces.
> Need ability to shutdown loggers and flush appenders
> ----------------------------------------------------
>
> Key: SLF4J-192
> URL: https://jira.qos.ch/browse/SLF4J-192
> Project: SLF4J
> Issue Type: Improvement
> Components: Core API
> Affects Versions: 1.6.x
> Environment: Operating System: All
> Platform: All
> Reporter: Michael Schall
> Assignee: SLF4J developers list
>
> There needs to be a way to shutdown logging and flush async appenders so when
> a process is closing, all log events are written before the process is closed.
> Should ILoggerFactory have a shutdown or stop method? It could shutdown
> whatever logging back end I'm using?
> For log4j it would call -
> org.apache.log4j.LogManager.getLoggerRepository().shutdown();
> For logback it would call - loggerContext.stop()
> Other back ends - ???
> This is required to allow me to not reference logging back ends explicitly in
> my code to shutdown successfully without losing events.
> Discussion about this is happening on the user list at -
> http://www.qos.ch/pipermail/logback-user/2010-September/001816.html
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