dmlc::ostream Class Reference

a std::ostream class that can can wrap Stream objects, can use ostream with that output to underlying Stream More...

#include <io.h>

Inheritance diagram for dmlc::ostream:

Public Member Functions
	ostream (Stream *stream, size_t buffer_size=(1<< 10))
	construct std::ostream type
void	set_stream (Stream *stream)
	set internal stream to be stream, reset states
size_t	bytes_written (void) const

Detailed Description

a std::ostream class that can can wrap Stream objects, can use ostream with that output to underlying Stream

Usage example:

Stream *fs = Stream::Create("hdfs:///test.txt", "w");
dmlc::ostream os(fs);
os << "hello world" << std::endl;
delete fs;

Constructor & Destructor Documentation

ostream()

dmlc::ostream::ostream ( Stream *  stream, size_t  buffer_size = (1 << 10)  )

inlineexplicit

construct std::ostream type

Parameters

stream	the Stream output to be used
buffer_size	internal streambuf size

Member Function Documentation

bytes_written()

size_t dmlc::ostream::bytes_written ( void  ) const

inline

Returns

how many bytes we written so far

set_stream()

void dmlc::ostream::set_stream ( Stream *  stream )

inline

set internal stream to be stream, reset states

Parameters

stream

new stream as output

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

• External/xgboost/dmlc-core/include/dmlc/io.h