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https://issues.apache.org/jira/browse/LUCENE-4746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569575#comment-13569575
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Robert Muir commented on LUCENE-4746:
-------------------------------------
another tricky thing (at least i didnt think about it yet) is how to nuke all
the commit points in the src dirs referring to the files we nuked :)
In general i dont think the patch works, i just wanted to show what API i was
suggesting.
> Create a move method in Directory.
> ----------------------------------
>
> Key: LUCENE-4746
> URL: https://issues.apache.org/jira/browse/LUCENE-4746
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Mark Miller
> Assignee: Mark Miller
> Fix For: 4.2, 5.0
>
> Attachments: LUCENE-4746.patch
>
>
> I'd like to make a move method for directory.
> We already have a move for Solr in DirectoryFactory, but it seems it belongs
> at the directory level really.
> The default impl can do a copy and delete, but most implementations will be
> able to optimize to a rename.
> Besides the move we do for Solr (to move a replicated index into place), it
> would also be useful for another feature I'd like to add - the ability to
> merge an index with moves rather than copies. In some cases, you don't
> need/want to copy all the files and could just rename/move them.
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