public static function updateRoughcut($roughcut_id, $roughcut_version, $roughcut_kshow_id, $entry_id_list)
 {
     /*		
     		$roughcut_id = $roughcut->getId();
     		$roughcut_version = $roughcut->getVersion();
     		$roughcut_kshow_id = $roughcut->getKshowId();
     */
     $roughcut_entry_list = roughcutEntryPeer::retrievByRoughcutId($roughcut_id);
     $existing_entry_list = self::accumulateRoughcutEntryList($roughcut_entry_list);
     //	echo "entry_id_list: " . print_r ( $entry_id_list , true ) . "\n";
     //	echo "existing_entry_list: " . print_r ( $existing_entry_list , true ) . "\n";
     $to_add = array();
     $to_remove = array();
     // find all the new ones
     foreach ($entry_id_list as $new_entry_id) {
         if (!in_array($new_entry_id, $existing_entry_list)) {
             // ignore duplicates
             if (!in_array($new_entry_id, $to_add)) {
                 self::updateRoughcutEntry($roughcut_id, $roughcut_version, $roughcut_kshow_id, $new_entry_id, self::ROUGHCUT_ENTRY_OP_TYPE_ADD);
                 $to_add[] = $new_entry_id;
             }
         }
     }
     // find all the ones that no longer exist
     foreach ($existing_entry_list as $existing_entry_id) {
         if (!in_array($existing_entry_id, $entry_id_list)) {
             // ignore duplicates
             if (!in_array($existing_entry_id, $to_remove)) {
                 self::updateRoughcutEntry($roughcut_id, $roughcut_version, $roughcut_kshow_id, $existing_entry_id, self::ROUGHCUT_ENTRY_OP_TYPE_REMOVE);
                 $to_remove[] = $existing_entry_id;
             }
         }
     }
     //		echo "add: " . print_r ( $to_add , true ) . "\n";
     //		echo "delete: " . print_r ( $to_remove , true ) . "\n";
     KalturaLog::log("roughcutEntry::updateRoughcut\nadded: [" . implode(",", $to_add) . "] removed:  [" . implode(",", $to_add) . "]");
 }