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https://issues.apache.org/jira/browse/CMIS-883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14280149#comment-14280149
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Florian Müller commented on CMIS-883:
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That wouldn't be difficult to implement, but it would deviate from the CMIS
specification. Most CMIS clients wouldn't understand a 202 response and treat
it as an error. There is also no equivalent for the Web Services binding.
But you may want start a discussion for the next CMIS specification version:
https://www.oasis-open.org/committees/comments/index.php?wg_abbrev=cmis
You could use some the rendition attributes to indicate that rendition is
currently generated. For example, the length could be zero or you invent a new
rendition kind that your clients understand.
getContentStream could return a 0 bytes document while the generation takes
place.
> Asynchronous Rendition Retrieval
> --------------------------------
>
> Key: CMIS-883
> URL: https://issues.apache.org/jira/browse/CMIS-883
> Project: Chemistry
> Issue Type: Improvement
> Components: opencmis-server
> Affects Versions: OpenCMIS 0.12.0
> Reporter: Ron Gavlin
>
> Assume a CMIS client wants retrieve a high-fidelity PDF rendition of a large,
> volatile Word document with minimal idle time. In this case, a standardized
> mechanism may bey needed to inform the client that the rendition is 'not yet
> ready'. This scenario might occur, for example, when the client is
> interfacing with a Linux-based CMIS server that forwards Word-to-PDF
> conversion requests to a remote Windows server. Here, the rendition
> generation may take some time to complete.
> Would it make sense to send a standard '202 - Accepted' response code to the
> client to indicate this 'rendition is not-yet-ready' condition? Once the
> rendition becomes available, the rendition retrieval would return a standard
> 200 success response. Do you have other ideas about how this use case might
> be supported in a standard way across CMIS servers?
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