+template<class ITER>
+void updateLastBackupDate( ITER begin, const ITER &end, unsigned long long date ) {
+ while( begin != end ) {
+ (*begin)->setLastBackupDate( date );
+ }
+}
+
+template<class ITER>
+void delete_objects( ITER begin, const ITER &end ) {
+ while( begin != end ) {
+ delete *begin;
+ ++begin;
+ }
+}
+