[FLINK-34979] Implement State Future and related utilities

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.20.0
• Component/s: Runtime / State Backends
• Labels: pull-request-available
• Assignee: Zakelly Lan
• Reporter: Zakelly Lan
• Created: 01/Apr/24 04:27
• Updated: 07/Apr/24 02:30
• Resolved: 07/Apr/24 02:19

Description

Implement the StateFuture.

In the very first version, we leverage the CompletableFuture to ship the functionalities. Although this is not optimal in performance, we can swiftly build up the whole framework by this approach.

Issue Links

• links to: GitHub Pull Request #24597