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From Reto Bachmann-Gmür (JIRA) <j...@apache.org>
Subject [jira] [Created] (CLEREZZA-833) SingleTdbTcProvider listTripleCollection method do not support concurrency
Date Thu, 24 Oct 2013 16:38:03 GMT
Reto Bachmann-Gmür created CLEREZZA-833:
-------------------------------------------

             Summary: SingleTdbTcProvider listTripleCollection method do not support concurrency
                 Key: CLEREZZA-833
                 URL: https://issues.apache.org/jira/browse/CLEREZZA-833
             Project: Clerezza
          Issue Type: Bug
            Reporter: Reto Bachmann-Gmür


The method return a Set (concretely a UriRefSet). The client has no (straight-forward) possibility
to aquire a lock when iterating over the set. So when the client iterates over the set in
a concurrent environment (i.e when another thread adds/removes  a triple to any graph) ConcurrentModificationException
will occur.



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