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https://issues.apache.org/jira/browse/SLING-5035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14803362#comment-14803362
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Radu Cotescu commented on SLING-5035:
-------------------------------------
Quoting from the quote that [~fmeschbe] posted (this sounds funny ;)):
bq. If no service.ranking service property is specified or its type is not
Integer then a ranking of 0 must be used.
What this means is that if a service is registered without an explicit service
ranking property the container will use 0 for this value when performing
comparisons to figure out what implementation should be returned to a consumer
of said service. So will the {{org.apache.sling.commons.osgi.RankedServices}}
class used for storing injectors in the {{ModelAdaptorFactory}}.
> Sling Models Injectors should be queried in the reverse order of their
> service ranking value
> --------------------------------------------------------------------------------------------
>
> Key: SLING-5035
> URL: https://issues.apache.org/jira/browse/SLING-5035
> Project: Sling
> Issue Type: Bug
> Components: Extensions
> Affects Versions: Sling Models Impl 1.2.2
> Reporter: Radu Cotescu
> Fix For: Sling Models Impl 1.2.4
>
>
> The current version of the {{ModelAdaptorFactory}} \[0\] queries the
> Injectors in the ascending order of their service ranking value. However they
> should be queried in the descending order of the service ranking, to use the
> same logic as the {{BundleContext#getServiceReference(String)}} method \[1\].
> \[0\] -
> https://github.com/apache/sling/blob/f56b444b765beb1c31eed01b4c09fbda4013a580/bundles/extensions/models/impl/src/main/java/org/apache/sling/models/impl/ModelAdapterFactory.java#L411
> \[1\] -
> https://osgi.org/javadoc/r4v42/org/osgi/framework/BundleContext.html#getServiceReference(java.lang.String)
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