[jira] [Resolved] (SLING-4454) Contradicting information about service.ranking in UseProvider and JavaUseProvider

["Konrad Windszus (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-4454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konrad Windszus resolved SLING-4454.
------------------------------------
       Resolution: Fixed
    Fix Version/s: Scripting Sightly Engine 1.0.0
         Assignee: Konrad Windszus

> Contradicting information about service.ranking in UseProvider and JavaUseProvider
> ----------------------------------------------------------------------------------
>
>                 Key: SLING-4454
>                 URL: https://issues.apache.org/jira/browse/SLING-4454
>             Project: Sling
>          Issue Type: Bug
>          Components: Scripting
>    Affects Versions: Scripting Sightly Engine 1.0.0
>            Reporter: Konrad Windszus
>            Assignee: Konrad Windszus
>             Fix For: Scripting Sightly Engine 1.0.0
>
>
> The {{org.apache.sling.scripting.sightly.use.UseProvider}} states in the javadoc:
> {code}
> {@code UseProvider} services are ranked according to the OSGi service
>  * registration propertiy {@code service.ranking} which is an integer value.
>  * {@code UseProvider} servies with lower ranking values are tried before
>  * services with higher ranking values. The default value for the ranking if the
>  * property is missing is zero.
> {code}
> All implementations like {{org.apache.sling.scripting.sightly.impl.engine.extension.use.JavaUseProvider}} and sibling classes state
> {code}
> @Properties({
>         @Property(
>                 name = Constants.SERVICE_RANKING,
>                 label = "Service Ranking",
>                 description = "The Service Ranking value acts as the priority with which this Use Provider is queried to return an " +
>                         "Use-object. A higher value represents a higher priority.",
>                 intValue = 90,
>                 propertyPrivate = false
>         )
> })
> {code}
> So what is true here? Are UseProvider with lower rankings queried first? What happens if they return a result.
> Please clarify the javadoc here.



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