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Posted to dev@felix.apache.org by "Karl Pauls (Jira)" <ji...@apache.org> on 2021/12/21 23:13:00 UTC

[jira] [Created] (FELIX-6488) Optimize ServiceReference.isAssignableTo

Karl Pauls created FELIX-6488:
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             Summary: Optimize ServiceReference.isAssignableTo
                 Key: FELIX-6488
                 URL: https://issues.apache.org/jira/browse/FELIX-6488
             Project: Felix
          Issue Type: Improvement
          Components: Framework
    Affects Versions: framework-7.0.3
            Reporter: Karl Pauls
            Assignee: Karl Pauls
             Fix For: framework-7.0.4


The ServiceReference.isAssignableTo(Bundle bundle, String className) does some complicated check to see if the service is assignable. This includes trying to load classes and catching CNFE to see if providers and/or requesters have access to the given class. 

As that is done quite a bit (it is used in service event dispatching and service lookup) it would be good to optimize this to either not throw CNFE during the lookup or maybe at least cache the results to not have them be done all the time. 



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