StreamRepr Class Reference

Stream-based file representation. More...

#include <StreamRepr.hpp>

Inheritance diagram for StreamRepr:

[legend]Collaboration diagram for StreamRepr:

[legend]List of all members.

Public Types
typedef FileReprBase::params_t	params_t
enum	Mode { READ, WRITE }
Public Member Functions
	StreamRepr (const params_t *par) throw (std::ios_base::failure)
	~StreamRepr ()
void	rewind ()
void	flush ()
std::streamsize	readFromFile (char *buffer, std::streamsize buffer_size)
void	writeToFile (const char *str, std::streamsize n)
Protected Attributes
std::ifstream	input_stream
	stream to read
std::ofstream	output_stream
	steam to write
char *	file_buffer
	the low-level buffer
std::streamsize	file_buffer_size
	the size of the lowest level buffer
Mode	mode
	operating mode

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Detailed Description

Stream-based file representation.

This is the simplest, but also the slowest file representation.

Definition at line 18 of file StreamRepr.hpp.

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Member Typedef Documentation

typedef FileReprBase::params_t StreamRepr::params_t

Reimplemented in SimpleAssocRuleWriter, SimpleOutput, DecoderBase< BufferedNormalOutput< StreamRepr > >, SimpleDFDecoder< BufferedNormalOutput< StreamRepr > >, BufferedNormalOutput< StreamRepr >, and OutputBase< StreamRepr >. Definition at line 21 of file StreamRepr.hpp.

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Member Enumeration Documentation

enum FileReprBase::Mode [inherited]

Enumerator: READ  WRITE  Definition at line 20 of file FileReprBase.hpp.

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Constructor & Destructor Documentation

StreamRepr::StreamRepr (  const params_t *  par  )  throw (std::ios_base::failure) [inline]

Definition at line 23 of file StreamRepr.hpp. References FileReprBase::file_buffer, input_stream, output_stream, and FileReprBase::READ.

StreamRepr::~StreamRepr (   )  [inline]

Definition at line 50 of file StreamRepr.hpp. References input_stream, and output_stream.

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Member Function Documentation

void StreamRepr::flush (   )  [inline]

Reimplemented from FileReprBase. Definition at line 63 of file StreamRepr.hpp. References output_stream.

std::streamsize StreamRepr::readFromFile (  char *  buffer, std::streamsize  buffer_size )  [inline]

Reimplemented from FileReprBase. Definition at line 68 of file StreamRepr.hpp. References input_stream.

void StreamRepr::rewind (   )  [inline]

Reimplemented from FileReprBase. Definition at line 58 of file StreamRepr.hpp. References input_stream.

void StreamRepr::writeToFile (  const char *  str, std::streamsize  n )  [inline]

Reimplemented from FileReprBase. Definition at line 72 of file StreamRepr.hpp. References output_stream.

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Member Data Documentation

char* FileReprBase::file_buffer [protected, inherited]

the low-level buffer Definition at line 89 of file FileReprBase.hpp. Referenced by FDRepr::FDRepr(), FILERepr::FILERepr(), FileReprBase::FileReprBase(), FDRepr::flush(), StreamRepr(), FDRepr::writeToFile(), and FileReprBase::~FileReprBase().

std::streamsize FileReprBase::file_buffer_size [protected, inherited]

the size of the lowest level buffer Definition at line 91 of file FileReprBase.hpp. Referenced by FDRepr::FDRepr(), and FDRepr::flush().

std::ifstream StreamRepr::input_stream [protected]

stream to read Definition at line 78 of file StreamRepr.hpp. Referenced by SimpleTransactionReader::getNextItem(), SimpleTransactionReader::nextTransactionBIS(), SimpleTransactionReader::nextTransactionUAC(), readFromFile(), rewind(), StreamRepr(), and ~StreamRepr().

Mode FileReprBase::mode [protected, inherited]

operating mode Definition at line 93 of file FileReprBase.hpp. Referenced by SimpleOutputTester::doTest(), FileReprBase::FileReprBase(), and FDRepr::~FDRepr().

std::ofstream StreamRepr::output_stream [protected]

steam to write Definition at line 80 of file StreamRepr.hpp. Referenced by flush(), StreamRepr(), SimpleAssocRuleWriter::writeAssocRule(), SimpleOutput::writeItemsetAndCounter(), writeToFile(), and ~StreamRepr().

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The documentation for this class was generated from the following file:

• StreamRepr.hpp

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