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https://issues.apache.org/jira/browse/LANG-560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oliver Heger resolved LANG-560.
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Resolution: Fixed
Committed in revision 895466.
> New TimedSemaphore class
> ------------------------
>
> Key: LANG-560
> URL: https://issues.apache.org/jira/browse/LANG-560
> Project: Commons Lang
> Issue Type: New Feature
> Components: lang.concurrent.*
> Reporter: Oliver Heger
> Fix For: 3.0
>
> Attachments: TimedSemaphore.patch
>
>
> {{TimedSemaphore}} is a specialized Semaphore implementation that also has a
> timing component: In a configurable time period a given number of permits is
> available. Threads call the semaphore's {{acquire()}} method to request a
> permit. When no more permits are available {{acquire()}} blocks the calling
> thread. At the end of the time period the permits are restored, and all
> blocking threads are waked up.
> The main use case for this class is to provide a convenient means for
> controlling the load produced by a process. When used correctly,
> {{TimedSemaphore}} ensures that only a given number of steps (e.g. database
> queries, file operations, or computations) are performed in a specific time
> period. This may be useful for many applications.
> More information including a usage example can be found in the Javadocs of
> the class. Comments or suggestions for improvements are appreciated.
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