LightGBM::LocalFile Struct Reference

Inheritance diagram for LightGBM::LocalFile:

Public Member Functions
	LocalFile (const std::string &filename, const std::string &mode)
bool	Init ()
	Initialize the reader.
bool	Exists () const
size_t	Read (void *buffer, size_t bytes) const
	Read data into buffer.
size_t	Write (const void *buffer, size_t bytes) const
	Append buffer to file.
Public Member Functions inherited from LightGBM::VirtualFileReader
virtual	~VirtualFileReader ()
	Constructor.

Additional Inherited Members
Static Public Member Functions inherited from LightGBM::VirtualFileReader
static std::unique_ptr< VirtualFileReader >	Make (const std::string &filename)
	Create appropriate reader for filename.
Static Public Member Functions inherited from LightGBM::VirtualFileWriter
static std::unique_ptr< VirtualFileWriter >	Make (const std::string &filename)
	Create appropriate writer for filename.
static bool	Exists (const std::string &filename)
	Check filename existence.

Member Function Documentation

Init()

bool LightGBM::LocalFile::Init ( )

inlinevirtual

Initialize the reader.

Returns

True when the file is available for read

Implements LightGBM::VirtualFileReader.

Read()

size_t LightGBM::LocalFile::Read ( void *  buffer, size_t  bytes  ) const

inlinevirtual

Read data into buffer.

Parameters

buffer	Buffer to read data into
bytes	Number of bytes to read

Returns

Number of bytes read

Implements LightGBM::VirtualFileReader.

Write()

size_t LightGBM::LocalFile::Write ( const void *  data, size_t  bytes  ) const

inlinevirtual

Append buffer to file.

Parameters

data	Buffer to write from
bytes	Number of bytes to write from buffer

Returns

Number of bytes written

Implements LightGBM::VirtualFileWriter.

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

• External/LightGBM_2.2.3/LightGBM-2.2.3/src/io/file_io.cpp