Sean Owen created SPARK-12604:
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Summary: Java countByKey, zipWith*, etc methods return Scala Long
not Java
Key: SPARK-12604
URL: https://issues.apache.org/jira/browse/SPARK-12604
Project: Spark
Issue Type: Sub-task
Components: Java API, Spark Core
Affects Versions: 1.6.0
Reporter: Sean Owen
Assignee: Sean Owen
Priority: Minor
Another minor API problem I noticed while digging around. The following Java
API methods return a Long as part of their signature, but it's a
{{scala.Long}}, not a {{java.lang.Long}}:
* zipWithIndex
* zipWithUniqueId
* countByKey
* countAsync
Other similar methods correctly return a Java Long, like countByValue, and the
whole Java streaming API.
Of course, changing this is probably the right thing to do, but also is an API
change. I think it's worth fixing up
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