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Posted to dev@flume.apache.org by "Alvaro Polo (JIRA)" <ji...@apache.org> on 2012/07/12 16:26:34 UTC
[jira] [Updated] (FLUME-1366) AbstractSource, AbstractChannel &
AbstractSink should provide a protected method setLifecycleState()
[ https://issues.apache.org/jira/browse/FLUME-1366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alvaro Polo updated FLUME-1366:
-------------------------------
Description:
Sources, channels and sinks are designed to extend {{AbstractSource}}, {{AbstractChannel}} and {{AbstractSink}}, respectively. These classes implement the basics of lifecycle state tracking for sources, channels or sinks. In all them, that state is modified exclusively by invoking the {{start()}} and {{stop()}} methods.
There is no possibility of setting the lifecycle state to {{ERROR}}. This would be specially useful when override {{start()}} and {{stop()}} methods find an error that impedes the element to be started or stopped.
My suggestion here is to add a new protected method {{void setLifecycleState(LifecycleState)}} that allow concrete sources, channels and sinks to report such a situation.
was:
Sources, channels and sinks are designed to extend `AbstractSource`, `AbstractChannel` and `AbstractSink`, respectively. These classes implement the basics of lifecycle state tracking for sources, channels or sinks. In all them, that state is modified exclusively by invoking the `start()` and `stop()` methods.
There is no possibility of setting the lifecycle state to `ERROR`. This would be specially useful when override `start()` and `stop()` methods find an error that impedes the element to be started or stopped.
My suggestion here is to add a new protected method `void setLifecycleState(LifecycleState)` that allow concrete sources, channels and sinks to report such a situation.
Description field updated due to invalid markup language used ;-)
> AbstractSource, AbstractChannel & AbstractSink should provide a protected method setLifecycleState()
> ----------------------------------------------------------------------------------------------------
>
> Key: FLUME-1366
> URL: https://issues.apache.org/jira/browse/FLUME-1366
> Project: Flume
> Issue Type: Improvement
> Components: Channel, Sinks+Sources
> Affects Versions: v1.2.0
> Reporter: Alvaro Polo
> Priority: Minor
>
> Sources, channels and sinks are designed to extend {{AbstractSource}}, {{AbstractChannel}} and {{AbstractSink}}, respectively. These classes implement the basics of lifecycle state tracking for sources, channels or sinks. In all them, that state is modified exclusively by invoking the {{start()}} and {{stop()}} methods.
> There is no possibility of setting the lifecycle state to {{ERROR}}. This would be specially useful when override {{start()}} and {{stop()}} methods find an error that impedes the element to be started or stopped.
> My suggestion here is to add a new protected method {{void setLifecycleState(LifecycleState)}} that allow concrete sources, channels and sinks to report such a situation.
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