[jira] [Created] (SLING-6244) Provide an SPI for influencing the collection inheritance

[Carsten Ziegeler (JIRA)]

Carsten Ziegeler created SLING-6244:
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             Summary: Provide an SPI for influencing the collection inheritance
                 Key: SLING-6244
                 URL: https://issues.apache.org/jira/browse/SLING-6244
             Project: Sling
          Issue Type: New Feature
          Components: Extensions
            Reporter: Carsten Ziegeler
            Assignee: Carsten Ziegeler
             Fix For: Context-Aware Configuration SPI 1.0.2, Context-Aware 
Configuration Impl 1.0.2


Currently there is no way to influence the inheritance for collections as for 
example being implemented in DefaultConfigurationResourceResolvingStrategy

We should provide an SPI which can be used by all strategy implementations:

interface CollectionInheritanceDecider {

   enum DECISION {
      INCLUDE,
      EXCLUDE,
      BLOCK
   }

   DECISION decide(String bucketName, Resource resource);

}

So for every item found in getResourceCollection this optional service
is asked. If it returns INCLUDE the resource is included, if it returns
EXCLUDE it is excluded, but a parent can provide this resource. If it
returns BLOCK, it's excluded and no parent can provide this resource.




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