[jira] [Created] (FLINK-4610) Replace keySet/getValue with entrySet in UdfAnalyzerUtils

[Shang Yuanchun (Jira)]

Alexander Pivovarov created FLINK-4610:
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             Summary: Replace keySet/getValue with entrySet in UdfAnalyzerUtils
                 Key: FLINK-4610
                 URL: https://issues.apache.org/jira/browse/FLINK-4610
             Project: Flink
          Issue Type: Improvement
          Components: Java API
    Affects Versions: 1.1.2
            Reporter: Alexander Pivovarov
            Priority: Minor


Map.keySet + getValue combination is not very efficient
It can be replaced with Map.entrySet to avoid values lookup

Also MapEntry allows to modify Map values while iterating thought the map using entrySet.iterator



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