etach from any previous data collection</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang">ClassCastException</a></code> - if <code>data</code> is not of the
  appropriate type for this <a href="../../../javax/faces/model/DataModel.html" title="class in javax.faces.model"><code>DataModel</code></a> implementation</dd>
</dl>
</li>
</ul>
</li>
</ul>
</li>