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// This is mul/mbl/mbl_file_data_collector.h
#ifndef mbl_file_data_collector_h_
#define mbl_file_data_collector_h_
//:
// \file
// \brief Collect data objects and store them in a file.
// \author dac
#include <mbl/mbl_data_collector.h>
#include <mbl/mbl_file_data_wrapper.h>
#include <vsl/vsl_binary_io.h>
#include <vcl_string.h>
#include <vcl_iosfwd.h>
//: Collect data objects and store them in a file.
template<class T>
class mbl_file_data_collector : public mbl_data_collector<T>
{
//: binary file stream where the data is stored
vsl_b_ofstream *bfs_;
//: path to binary data stream
vcl_string path_;
//: wrapper object point to same file (return reference to this object!)
mbl_file_data_wrapper<T>* wrapper_;
public:
//: Constructor
mbl_file_data_collector( const vcl_string & path );
//#if 0
// Copy constructor
mbl_file_data_collector(const mbl_data_collector_base& c);
// Copy constructor
mbl_file_data_collector(const mbl_file_data_collector & c);
//: Copy operator
//virtual mbl_file_data_collector<T>& operator=( const mbl_data_collector_base& c);
virtual mbl_file_data_collector<T>& operator=( const mbl_file_data_collector & c);
//#endif
//: Destructor
virtual ~mbl_file_data_collector();
//: Clear any stored data
virtual void clear();
//: delete stuff
void delete_stuff();
//: Hint about how many examples to expect
virtual void set_n_samples(int n);
//: Record given object
virtual void record(const T& v);
//: Return object describing stored data
virtual mbl_data_wrapper<T >& data_wrapper();
//: Version number for I/O
short version_no() const;
//: Name of the class
virtual vcl_string is_a() const;
//: Does the name of the class match the argument?
virtual bool is_class(vcl_string const& s) const;
//: Create a copy on the heap and return base class pointer
virtual mbl_data_collector_base* clone() const;
//: Print class to os
virtual void print_summary(vcl_ostream& os) const;
//: Save class to binary file stream
virtual void b_write(vsl_b_ostream& bfs) const;
//: Load class from binary file stream
virtual void b_read(vsl_b_istream& bfs);
};
#endif // mbl_file_data_collector_h_
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