raction">ValueExtractor</a>&lt;?&gt;&nbsp;extractor)</pre>
<div class="block">Adds a value extractor to be used by the <a href="../../javax/validation/Validator.html" title="interface in javax.validation"><code>Validator</code></a>. Has
 priority over any extractor for the same type and type parameter
 detected through the service loader, given in the XML configuration or
 configured for the validator factory.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>extractor</code> - value