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https://issues.apache.org/jira/browse/MINIFICPP-39?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16202421#comment-16202421
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Caleb Johnson commented on MINIFICPP-39:
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[~achristianson] Thanks for the feedback. I've added the attribute update and
removed rapidjson in the latest commits. I wanted to ask about the test flow
for Un/FocusArchive next.
As I commented near the end of the unit test, the "current flowfile" is always
nullptr after runNextProcessor(). I'd like to be able to access it to ensure
the attributes and contents are correct, preferably without going through
PutFile. Is there a way to do that without going through temp files using the
TestBase machinery?
I'm also working on ManipulateArchive. It's been rebased and compiles without
any issues, so I'll be working on tests for that as well. Then, ApplyTemplate
and ExtractText.
> Create FocusArchive processor
> -----------------------------
>
> Key: MINIFICPP-39
> URL: https://issues.apache.org/jira/browse/MINIFICPP-39
> Project: NiFi MiNiFi C++
> Issue Type: Task
> Reporter: Andrew Christianson
> Assignee: Andrew Christianson
> Priority: Minor
>
> Create an FocusArchive processor which implements a lens over an archive
> (tar, etc.). A concise, though informal, definition of a lens is as follows:
> "Essentially, they represent the act of “peering into” or “focusing in on”
> some particular piece/path of a complex data object such that you can more
> precisely target particular operations without losing the context or
> structure of the overall data you’re working with."
> https://medium.com/@dtipson/functional-lenses-d1aba9e52254#.hdgsvbraq
> Why an FocusArchive in MiNiFi? Simply put, it will enable us to "focus in on"
> an entry in the archive, perform processing *in-context* of that entry, then
> re-focus on the overall archive. This allows for transformation or other
> processing of an entry in the archive without losing the overall context of
> the archive.
> Initial format support is tar, due to its simplicity and ubiquity.
> Attributes:
> - Path (the path in the archive to focus; "/" to re-focus the overall archive)
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