dmlc::data::BasicRowIter< IndexType, DType > Class Template Reference

basic set of row iterators that provides More...

#include <basic_row_iter.h>

Inheritance diagram for dmlc::data::BasicRowIter< IndexType, DType >:

Public Member Functions
	BasicRowIter (Parser< IndexType, DType > *parser)
virtual void	BeforeFirst (void)
	set before first of the item
virtual bool	Next (void)
	move to next item
virtual const RowBlock< IndexType, DType > &	Value (void) const
	get current data
virtual size_t	NumCol (void) const
Public Member Functions inherited from dmlc::RowBlockIter< IndexType, DType >
RowBlockIter< uint32_t, real_t > *	Create (const char *uri, unsigned part_index, unsigned num_parts, const char *type)
RowBlockIter< uint64_t, real_t > *	Create (const char *uri, unsigned part_index, unsigned num_parts, const char *type)
RowBlockIter< uint32_t, int32_t > *	Create (const char *uri, unsigned part_index, unsigned num_parts, const char *type)
RowBlockIter< uint64_t, int32_t > *	Create (const char *uri, unsigned part_index, unsigned num_parts, const char *type)
RowBlockIter< uint32_t, int64_t > *	Create (const char *uri, unsigned part_index, unsigned num_parts, const char *type)
RowBlockIter< uint64_t, int64_t > *	Create (const char *uri, unsigned part_index, unsigned num_parts, const char *type)
Public Member Functions inherited from dmlc::DataIter< DType >
virtual	~DataIter (void) DMLC_THROW_EXCEPTION
	destructor

Additional Inherited Members
Static Public Member Functions inherited from dmlc::RowBlockIter< IndexType, DType >
static RowBlockIter< IndexType, DType > *	Create (const char *uri, unsigned part_index, unsigned num_parts, const char *type)
	create a new instance of iterator that returns rowbatch by default, a in-memory based iterator will be returned

Detailed Description

template<typename IndexType, typename DType = real_t>
class dmlc::data::BasicRowIter< IndexType, DType >

basic set of row iterators that provides

Template Parameters

IndexType

the type of index we are using

Member Function Documentation

BeforeFirst()

template<typename IndexType , typename DType = real_t>

virtual void dmlc::data::BasicRowIter< IndexType, DType >::BeforeFirst ( void  )

inlinevirtual

set before first of the item

Implements dmlc::DataIter< DType >.

Next()

template<typename IndexType , typename DType = real_t>

virtual bool dmlc::data::BasicRowIter< IndexType, DType >::Next ( void  )

inlinevirtual

move to next item

Implements dmlc::DataIter< DType >.

NumCol()

template<typename IndexType , typename DType = real_t>

virtual size_t dmlc::data::BasicRowIter< IndexType, DType >::NumCol ( void  ) const

inlinevirtual

Returns

maximum feature dimension in the dataset

Implements dmlc::RowBlockIter< IndexType, DType >.

Value()

template<typename IndexType , typename DType = real_t>

virtual const RowBlock< IndexType, DType > & dmlc::data::BasicRowIter< IndexType, DType >::Value ( void  ) const

inlinevirtual

get current data

Implements dmlc::DataIter< DType >.

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

• External/xgboost/dmlc-core/src/data/basic_row_iter.h