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[jira] [Created] (FLINK-9760) Return a single element from extractPatterns

Dawid Wysakowicz created FLINK-9760:

             Summary: Return a single element from extractPatterns
                 Key: FLINK-9760
                 URL: https://issues.apache.org/jira/browse/FLINK-9760
             Project: Flink
          Issue Type: Improvement
          Components: CEP
            Reporter: Dawid Wysakowicz
            Assignee: Dawid Wysakowicz

Right now {{SharedBuffer#extractPatterns}} allows to extract multiple matches for the same ComputationState, but our NFA does not allow creating such. Thus we should optimize this method having in mind the method can only return one match.

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