DataBase Handle
Holds state regarding position in the database
DataBaseHandle ()
| DataBaseHandle |
DataBaseHandle (bool v, uint32_t last_entry)
| DataBaseHandle |
uint32_t position ()
| position |
[const]
uint32_t last ()
| last |
[const]
void advance (bool& last)
| advance |
bool valid ()
| valid |
[const]
void invalidate ()
| invalidate |