Class template checkpoint_iterator

STLdb

Class template checkpoint_iterator

stldb::checkpoint_iterator

Synopsis

// In header: </Users/bobw/workspaces/STLdb/stldb_lib/stldb/checkpoint.h>

template<typename T> 
class checkpoint_iterator : public std::iterator< std::input_iterator_tag, T, std::ptrdiff_t, const T *, const T & >
{
public:
  // types
  typedef T         value_type;
  typedef const T & reference; 
  typedef const T * pointer;   

  // construct/copy/destruct
  checkpoint_iterator(const checkpoint_iterator &);
  checkpoint_iterator(checkpoint_ifstream &, std::size_t, 
                      boost::interprocess::offset_t = 0);

  // public member functions
  bool operator==(const checkpoint_iterator &);
  bool operator!=(const checkpoint_iterator &);
  bool operator<(const checkpoint_iterator &);
  reference operator*() const;
  pointer operator->() const;
  checkpoint_iterator & operator++();
  checkpoint_iterator operator++(int);
  checkpoint_loc_t checkpoint_location() const;

  // private member functions
  void forward();
};

Description

An input iterator which can be used to read the contents of a current checkpoint file, sequentially, from start to end. Usefull for load_checkpoint.

`checkpoint_iterator` public construct/copy/destruct

checkpoint_iterator(const checkpoint_iterator & rarg);

checkpoint_iterator(checkpoint_ifstream & ckpt, std::size_t ckpt_len, 
                    boost::interprocess::offset_t off = 0);

`checkpoint_iterator` public member functions

bool operator==(const checkpoint_iterator & rarg);

bool operator!=(const checkpoint_iterator & rarg);

bool operator<(const checkpoint_iterator & rarg);

```
reference operator*() const;
```
```
pointer operator->() const;
```
```
checkpoint_iterator & operator++();
```
```
checkpoint_iterator operator++(int n);
```

checkpoint_loc_t checkpoint_location() const;

`checkpoint_iterator` private member functions

```
void forward();
```