/**
  * isuserNode
  *
  * @param \Erichard\DmsBundle\Entity\DocumentNode $node
  *
  * @return boolean
  */
 public function isUserNode($node)
 {
     $return = false;
     if (preg_match('/' . $this->container->getParameter('dms.workspace.user_pattern') . '/', $node->getUniqRef())) {
         $return = true;
     }
     return $return;
 }