[jira] [Created] (FLINK-5510) Replace Scala Future with FlinkFuture in QueryableStateClient

["Ufuk Celebi (JIRA)" <ji...@apache.org>]

Ufuk Celebi created FLINK-5510:
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             Summary: Replace Scala Future with FlinkFuture in QueryableStateClient
                 Key: FLINK-5510
                 URL: https://issues.apache.org/jira/browse/FLINK-5510
             Project: Flink
          Issue Type: Improvement
          Components: Queryable State
            Reporter: Ufuk Celebi
            Priority: Minor


The entry point for queryable state users is the {{QueryableStateClient}} which returns query results via Scala Futures. Since merging the initial version of QueryableState we have introduced the FlinkFuture wrapper type in order to not expose our Scala dependency via the API.

Since APIs tend to stick around longer than expected, it might be worthwhile to port the exposed QueryableStateClient interface to use the FlinkFuture. Early users can still get the Scala Future via FlinkFuture#getScalaFuture().



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