[jira] [Updated] (FLINK-6566) Narrow down interface for compatibility hook method in VersionedIOReadableWritable

["Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-6566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tzu-Li (Gordon) Tai updated FLINK-6566:
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    Affects Version/s: 1.3.0

> Narrow down interface for compatibility hook method in VersionedIOReadableWritable
> ----------------------------------------------------------------------------------
>
>                 Key: FLINK-6566
>                 URL: https://issues.apache.org/jira/browse/FLINK-6566
>             Project: Flink
>          Issue Type: Improvement
>          Components: Core, Type Serialization System
>    Affects Versions: 1.3.0
>            Reporter: Tzu-Li (Gordon) Tai
>
> The {{VersionedIOReadableWritable}} provides a {{isCompatibleVersion}} method that allows users to override to resolve older versions.
> This method allows too much space for the user to mess up the implementation, and is much more relevant now because we have an user-facing class {{TypeSerializerConfigSnapshot}} which extends {{VersionedIOReadableWritable}}.
> Instead of a {{isCompatibleVersion}} method, it should only expose a narrower {{int[] getCompatibleVersions}} that the internal version check uses.



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