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From "Xiaogang Shi (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-5023) Add get() method in State interface
Date Tue, 14 Feb 2017 06:33:41 GMT

     [ https://issues.apache.org/jira/browse/FLINK-5023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Xiaogang Shi closed FLINK-5023.
    Resolution: Won't Fix

The updates to the `State` interface will affect existing user code. We will not update the
interface before Flink 2.0.

> 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
>            Assignee: 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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