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Posted to dev@sling.apache.org by "Nicolas Peltier (JIRA)" <ji...@apache.org> on 2019/01/08 14:09:00 UTC

[jira] [Created] (SLING-8205) stop using Class.getField() to stop spitting out NoSuchFieldException

Nicolas Peltier created SLING-8205:
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             Summary: stop using Class.getField() to stop spitting out NoSuchFieldException
                 Key: SLING-8205
                 URL: https://issues.apache.org/jira/browse/SLING-8205
             Project: Sling
          Issue Type: Improvement
          Components: Scripting
            Reporter: Nicolas Peltier


According to java mission control, exceptions are bad for performances, and o.a.s.scripting.sightly.compiler.util.ObjectModel uses Class.getField first to check if a use member is a simple field or a method, which generates *lots* of exceptions.
Switching to simple lookup through getFields (that looks also to super classes fields) _looks_ quicker (this of course would need to be thoroughly tested)



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