Will McGauley created SLING-2630:
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Summary: 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
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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