[jira] [Created] (CMIS-761) Ability to add extension elements to Atom feed returned by query

["Alan Gairey (JIRA)" <ji...@apache.org>]

Alan Gairey created CMIS-761:
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             Summary: Ability to add extension elements to Atom feed returned by query
                 Key: CMIS-761
                 URL: https://issues.apache.org/jira/browse/CMIS-761
             Project: Chemistry
          Issue Type: Improvement
          Components: opencmis-server
    Affects Versions: OpenCMIS 0.10.0
            Reporter: Alan Gairey
         Attachments: atom-feed-extensions-for-query.diff

It would be useful to be able to add extension elements to the end of the Atom feed that's returned by a query (when using the AtomPub bindings). This would allow extra query-specific metadata to be returned in the response.

For example: Alfresco uses Solr "under the hood" - by including extension elements in the Atom feed, extra information, such as faceting results, could be included in the feed.

The class {{DiscoveryService.Query}} for the AtomPub binding currently passes a {{null}} as the final argument to the call to {{CmisService.query}}. If it passed an instance of {{ExtensionDataImpl}}, the implementer of the {{CmisService}} interface could populate the object with the extension elements. These could then be written out at the end of the feed.

This update requires just a few changes to the {{DiscoveryService.Query}} and {{AtomFeed}} classes; I've attached an svn diff file with the changes.



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