[FLINK-5603] Use Flink's futures in QueryableStateClient

• Type: Sub-task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Component/s: Runtime / Queryable State
• Assignee: Kostas Kloudas
• Reporter: Ufuk Celebi
• Created: 22/Jan/17 12:05
• Updated: 12/Oct/17 08:44
• Resolved: 12/Oct/17 08:44

Description

The current QueryableStateClient exposes Scala's Futures as the return type for queries. Since we are trying to get away from hard Scala dependencies in the current master, we should proactively replace this with Flink's Future interface.