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https://issues.apache.org/jira/browse/FLINK-5023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15643925#comment-15643925
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Xiaogang Shi commented on FLINK-5023:
-------------------------------------
The only old method affected is the `value()` method in ValueState. All other
states have already implemented the `get()` method. We can implement
`ValueState#value()` by wrapping the `get()` method to avoid any changes to
existing code.
The introduction of ReadableState<T> works. But I think the additional
interfaces will make the code "verbose" :)
> 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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