ddIndex(com.googlecode.cqengine.index.Index)"><code>ConcurrentIndexedCollection.addIndex(com.googlecode.cqengine.index.Index)</code></a> methods allowing indexes to be
 added to the collection to improve query performance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../ObjectLockingIndexedCollection.html" title="class in com.googlecode.cqengine">ObjectLockingIndexedCollection</a>&l