[jira] [Assigned] (FELIX-5485) ServiceReference#getUsingBundles() returns usages with 0 count

["Guillaume Nodet (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-5485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guillaume Nodet reassigned FELIX-5485:
--------------------------------------

    Assignee: Guillaume Nodet

> ServiceReference#getUsingBundles() returns usages with 0 count
> --------------------------------------------------------------
>
>                 Key: FELIX-5485
>                 URL: https://issues.apache.org/jira/browse/FELIX-5485
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: framework-5.6.0
>            Reporter: Renat Sabitov
>            Assignee: Guillaume Nodet
>            Priority: Minor
>         Attachments: FELIX-5485.diff
>
>
> Javadoc for ServiceReference#getUsingBundles() states 
> {quote}
> Specifically, this method returns the bundles whose usage count for that service is greater than zero.
> {quote}
> However, the implementation uses ServiceRegistry#getUsingBundles(ServiceReference<?> ref), which returns usages even if usage count is 0. 
> The usage count is 0, because ServiceRegistry#ungetService doesn't call ServiceRegistry#flushUsageCount for non-prototype services:
> {quote}
>                 // If the registration is invalid or the usage count for a prototype
>                 // reached zero, then flush it. Non-prototype services are not flushed
>                 // on ungetService() when they reach 0 as this introduces a race
>                 // condition of concurrently the same service is obtained via getService()
> {quote}
> Expected: 
> ServiceReference#getUsingBundles() doesn't return usages with 0 count



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