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https://issues.apache.org/jira/browse/LANG-1790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary D. Gregory resolved LANG-1790.
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Fix Version/s: 3.21.1
Resolution: Fixed
Implemented in git master and [snapshot
builds|https://repository.apache.org/content/repositories/snapshots/org/apache/commons/commons-lang3/3.22.0-SNAPSHOT/].
> Fairness setting in TimedSemaphore
> ----------------------------------
>
> Key: LANG-1790
> URL: https://issues.apache.org/jira/browse/LANG-1790
> Project: Commons Lang
> Issue Type: Improvement
> Components: lang.concurrent.*
> Reporter: Mert Kirpici
> Priority: Major
> Fix For: 3.21.1
>
>
> The {{TimedSemaphore}} structure javadocs do not mention anything about
> fairness.
> If this is something that the current implementation does not provide, the
> {{TimedSemaphore}} structure could benefit from a _fairness_ setting like the
> {{java.util.concurrent.Semaphore}} does, which will queue up the threads that
> are blocked by the {{.acquire()}} call and when the timer expires, they will
> be permitted access to the shared resource in a FIFO fashion.
> A possible implementation could be like this in the constructor:
> {{TimedSemaphore(long timePeriod, TimeUnit timeUnit, int limit, boolean
> fair)}}
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