[jira] [Created] (FLINK-19102) Make StateBinder a per-FunctionType entity

[Shang Yuanchun (Jira)]

Tzu-Li (Gordon) Tai created FLINK-19102:
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             Summary: Make StateBinder a per-FunctionType entity
                 Key: FLINK-19102
                 URL: https://issues.apache.org/jira/browse/FLINK-19102
             Project: Flink
          Issue Type: Task
          Components: Stateful Functions
            Reporter: Tzu-Li (Gordon) Tai
            Assignee: Tzu-Li (Gordon) Tai
             Fix For: statefun-2.2.0


Currently, a single {{StateBinder}} instance is used across multiple {{FunctionType}} s for binding state objects to Flink state.

While this is fine, it creates a leak of internal runtime information to the {{PersistedStateRegistry}} class. To fix this, we need to make {{FunctionType}} a property of each individual state binder, etc. each state binder binds state for a single {{FunctionType}}.



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