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Posted to dev@uima.apache.org by "Marshall Schor (JIRA)" <de...@uima.apache.org> on 2015/05/05 21:28:00 UTC

[jira] [Created] (UIMA-4381) speed up flat iterator concurrent mod check

Marshall Schor created UIMA-4381:
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             Summary: speed up flat iterator concurrent mod check
                 Key: UIMA-4381
                 URL: https://issues.apache.org/jira/browse/UIMA-4381
             Project: UIMA
          Issue Type: Improvement
          Components: Core Java Framework
            Reporter: Marshall Schor
            Priority: Minor
             Fix For: 2.7.1SDK


The concurrent modification check is done frequently (e.g., on each "get", etc.)  It requires finding a value mapped from a type code (for the particular type / subtype involved). Change this map from a simple lookup (loop over all typecodes in the map looking for the right one) to a binary search one.  And arrange to share the keys with all flat iterators using them. 



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