/**
* Register Proxy
*
* Register an <b>IProxy</b> with the <b>Model</b>.
*
* @param IProxy $proxy The <b>IProxy</b> to be registered with the <b>Model</b>.
* @return void
*/
public function registerProxy(IProxy $proxy)
{
if (isset($this->model)) {
$this->model->registerProxy($proxy);
}
}