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https://issues.apache.org/jira/browse/FLINK-6566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16009174#comment-16009174
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ASF GitHub Bot commented on FLINK-6566:
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Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/3883
Will address and merge this!
> 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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