[jira] [Assigned] (BEAM-12883) FileSystems ReadableFileCoder should support Metadata#lastModifiedMillis()

["Kenneth Knowles (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-12883?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles reassigned BEAM-12883:
--------------------------------------

    Assignee: Brachi Packter

> FileSystems ReadableFileCoder should support Metadata#lastModifiedMillis()
> --------------------------------------------------------------------------
>
>                 Key: BEAM-12883
>                 URL: https://issues.apache.org/jira/browse/BEAM-12883
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-core
>            Reporter: Brachi Packter
>            Assignee: Brachi Packter
>            Priority: P3
>          Time Spent: 3h 40m
>  Remaining Estimate: 0h
>
> Currently, there is a separated coder for Metadata which cares about `Metadata#lastModifiedMillis()`.
> The issue is that the `ReadableFileCoder` always uses the default `Metadata` coder.
> We need to create a similar coder for `ReadableFileCoder`: ``ReadableFileCoderV2` which just use the corresponding `MetadataCoderV2`.
> Without doing so `lastModifiedMillis` will remain zero.
> There is also no way to create custom coder in our side since `FileIO.ReadableFile` has no public method to initiate new instance of it.



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