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https://issues.apache.org/jira/browse/SLING-2630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler reassigned SLING-2630:
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Assignee: Carsten Ziegeler
> Cannot have multiple Adapter Factories configured to have same adapter /
> adaptable combination
> ----------------------------------------------------------------------------------------------
>
> Key: SLING-2630
> URL: https://issues.apache.org/jira/browse/SLING-2630
> Project: Sling
> Issue Type: Bug
> Components: Extensions
> Affects Versions: Adapter 2.0.16
> Reporter: Will McGauley
> Assignee: Carsten Ziegeler
> Labels: AdapterManager
> Fix For: Adapter 2.0.18
>
> Attachments: SLING-2630.patch
>
>
> If you configure more than one AdapterFactory in the system which bears the
> same adapter / adaptable combinations only the AdapterFactory with the
> highest ranking is used.
> Example:
> ClassA extends MyInterface
> classB extends MyInterface
> AdapterFactoryA adapts Node to MyInterface (hoping to return implementation
> ClassA under some circumstances)
> AdapterFactoryB adapts Node to MyInterface (hoping to return implementation
> ClassA under some other circumstances)
> when adapting Node to MyInterface, only AdapterFactoryA is ever used, even if
> it returns null for a particular Node.
> Expected: If AdapterFactoryA returns null then any remaining
> AdapterFactories configured with that combination (in this case
> AdapterFactoryB) should be allowed the chance to adapt
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