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From "Phil Steitz (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (POOL-159) GenericObjectPool: Add a getNumWaiters() method for monitoring purposes
Date Wed, 31 Dec 2014 16:32:13 GMT

     [ https://issues.apache.org/jira/browse/POOL-159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phil Steitz closed POOL-159.
----------------------------

> GenericObjectPool: Add a getNumWaiters() method for monitoring purposes
> -----------------------------------------------------------------------
>
>                 Key: POOL-159
>                 URL: https://issues.apache.org/jira/browse/POOL-159
>             Project: Commons Pool
>          Issue Type: Improvement
>    Affects Versions: 1.5, 1.5.1, 1.5.2, 1.5.3, 1.5.4
>            Reporter: Mike Muller
>              Labels: monitoring
>             Fix For: 2.0
>
>
> I would like to be able to determine the number of threads waiting to obtain an object
from the pool for monitoring purposes.  This would be most applicable when the WHEN_EXHAUSTED_BLOCK
option is used.  I propose the following method:
>     /**
>      * Return the number of threads currently waiting for an object from this pool.
>      *
>      * @return the number of threads currently waiting for an object from this pool
>      */
>     public synchronized int getNumWaiters() {
>         return _allocateQueue.size();
>     }



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