Xiaogang Shi created FLINK-5023:
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Summary: Add get() method in State interface
Key: FLINK-5023
URL: https://issues.apache.org/jira/browse/FLINK-5023
Project: Flink
Issue Type: Improvement
Components: State Backends, Checkpointing
Reporter: Xiaogang Shi
Currently, the only method provided by the State interface is `clear()`. I
think we should provide another method called `get()` to return the structured
value (e.g., value, list, or map) under the current key.
In fact, the functionality of `get()` has already been implemented in all types
of states: e.g., `value()` in ValueState and `get()` in ListState. The
modification to the interface can better abstract these states.
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