/**
  * get account
  *
  * @param   string  $_accountId  account id to get
  * @return  Tinebase_Model_FullUser
  */
 public function get($_userId)
 {
     $this->checkRight('VIEW_ACCOUNTS');
     $user = $this->_userBackend->getUserById($_userId, 'Tinebase_Model_FullUser');
     return $user;
 }