 class:&nbsp;<code><a href="../../../../org/apache/solr/core/DirectoryFactory.html#incRef(org.apache.lucene.store.Directory)">DirectoryFactory</a></code></strong></div>
<div class="block">Increment the number of references to the given Directory. You must call
 release for every call to this method.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/solr/core/DirectoryFactory.html#incRef(org.apache.lucene.store.Directory)">incRef</a></code>&nbsp;in class&nbsp;<code>