private static function _deleteListingBySID($listing_sid)
{
SJB_Event::dispatch('beforeListingDelete', $listing_sid);
$gallery = SJB_ObjectMother::createListingGallery();
$gallery->setListingSID($listing_sid);
$gallery->deleteImages();
SJB_UploadFileManager::deleteUploadedFilesByListingSID($listing_sid);
SJB_CommentManager::deleteCommentsToListing($listing_sid);
SJB_ListingManager::deleteListingIDFromSendedNotificationsTable($listing_sid);
//delete listing keywords
SJB_ListingDBManager::deleteListingKeywords($listing_sid);
SJB_Cache::getInstance()->clean('matchingAnyTag', array(SJB_Cache::TAG_LISTINGS));
SJB_ListingDBManager::deleteListingBySID($listing_sid);
}