public function getHosts(HostGroup &$hostGroup, $orderBy, $pageSize = -1, $pageNum = -1)
 {
     Utils::log(LOG_DEBUG, "Getting the hosts from the host group [hostGroup={$hostGroup->getName()}", __FILE__, __LINE__);
     $hostsIds = $this->getPakiti()->getDao("HostGroup")->getHostsIds($hostGroup->getId(), $orderBy, $pageSize, $pageNum);
     $hosts = array();
     foreach ($hostsIds as $hostId) {
         array_push($hosts, $this->getPakiti()->getManager("HostsManager")->getHostById($hostId));
     }
     return $hosts;
 }
 public function delete(HostGroup &$hostGroup)
 {
     Utils::log(LOG_DEBUG, "Deleting [hostGroup=" . $hostGroup->getName() . "]", __FILE__, __LINE__);
     $this->db->query("delete from HostGroup where id=" . $hostGroup->getId());
 }