[jira] [Commented] (MESOS-3312) Factor out JSON to repeated protobuf conversion

["Alexander Rukletsov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-3312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14715927#comment-14715927 ] 

Alexander Rukletsov commented on MESOS-3312:
--------------------------------------------

https://reviews.apache.org/r/37826/
https://reviews.apache.org/r/37827/

> Factor out JSON to repeated protobuf conversion
> -----------------------------------------------
>
>                 Key: MESOS-3312
>                 URL: https://issues.apache.org/jira/browse/MESOS-3312
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Alexander Rukletsov
>            Assignee: Alexander Rukletsov
>              Labels: mesosphere
>
> In general, we have the collection of protobuf messages as another protobuf message, which makes JSON -> protobuf conversion straightforward. This is not always the case, for example, {{Resources}} class is not a protobuf, though protobuf-convertible.
> To facilitate conversions like JSON -> {{Resources}} and avoid writing code for each particular case, we propose to introduce {{JSON::Array}} -> {{repeated protobuf}} conversion. With this in place, {{JSON::Array}} -> {{Resources}} boils down to {{JSON::Array}} -> {{repeated Resource}} -> (extra c-tor call) -> {{Resources}}.



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