java.util.UUID.fromString() too slow
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                 Key: JCR-2327
                 URL: https://issues.apache.org/jira/browse/JCR-2327
             Project: Jackrabbit Content Repository
          Issue Type: Improvement
          Components: jackrabbit-core, jackrabbit-jcr-commons
            Reporter: Marcel Reutegger


Benchmarking shows that the java.util.UUID.fromString() method is 10 times 
slower than the previous version we used from jackrabbit-jcr-commons. This 
method is quite heavily used in the query section or more generally whenever a 
NodeId is created from a String.

I'd like to introduce the custom String UUID parsing code again that we had in 
the jackrabbit-jcr-commons UUID class and use it in the NodeId(String) 
constructor.

WDYT?

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