[jira] [Created] (FLINK-21649) Refactor CopyOnWrite state classes

[Shang Yuanchun (Jira)]

Roman Khachatryan created FLINK-21649:
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             Summary: Refactor CopyOnWrite state classes
                 Key: FLINK-21649
                 URL: https://issues.apache.org/jira/browse/FLINK-21649
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / State Backends
            Reporter: Roman Khachatryan
            Assignee: Roman Khachatryan


Motivation: allow extension by incremental counterparts



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