/**
* Load the actor
*
* @return null
*/
function loadRefActor()
{
if ($this->sender_id) {
$this->_ref_actor = new CDicomSender();
$this->_ref_actor->load($this->sender_id);
} elseif ($this->receiver_id) {
$this->_ref_actor = new CDicomReceiver();
$this->_ref_actor->load($this->receiver_id);
}
}
