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https://issues.apache.org/jira/browse/SOLR-465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715282#action_12715282
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Uwe Schindler commented on SOLR-465:
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I committed a changed version of the FSDirectory today to Lucene trunk
(LUCENE-1658). The ctor/class name of the default directory impl is now
SimpleFSDirectory vs. NIOFSDirectory and MMapDirectory. All three dirs can no
instantiated by a one-arg and two-arg ctor (File[, LockFactory]).
FSDirectory will get abstract in 3.0 and so cannot be instantiated (only
protected ctor). It is now also a factory, to choose automatically the best
variant for the platform: FSDirectory.open(File[, LockFactory])
> Add configurable DirectoryProvider so that alternate Directory
> implementations can be specified via solrconfig.xml
> ------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-465
> URL: https://issues.apache.org/jira/browse/SOLR-465
> Project: Solr
> Issue Type: New Feature
> Affects Versions: 1.3
> Reporter: TJ Laurenzo
> Assignee: Yonik Seeley
> Fix For: 1.4
>
> Attachments: SOLR-465-fixes.patch, SOLR-465.patch, SOLR-465.patch,
> SOLR-465.patch, SOLR-465.patch, SOLR-465.patch, SOLR-465.patch,
> solr-directory-provider.patch
>
> Original Estimate: 0.25h
> Remaining Estimate: 0.25h
>
> Solr is presently hard-coded to use the FSDirectory implementation in Lucene.
> Other Directory implementations are possible. This patch creates a new
> DirectoryProvider interface and extends SolrCore to load an implementation of
> it from solrconfig.xml (if specified). If not specified, then it will
> fallback to the FSDirectory.
> A DirectoryProvider plugin can be configured in solrconfig.xml with the
> following XML:
> <directoryProvider class="class.name">
> <!-- Parameters as required by the implementation -->
> </directoryProvider>
> This patch was created against solr trunk checked out on 11/20/2007. Most of
> it is new code and should apply cleanly or with minor relocation. If it does
> not, let me know and I will update.
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