#include <ddcMMap.h>

Inheritance diagram for ddcMapFile< KeyT, ValT >:

Collaboration diagram for ddcMapFile< KeyT, ValT >:

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Classes
struct	KeyLess

Public Types
typedef ddcRecFile	RecFileT

typedef vector< ValT >	VecT

typedef map< KeyT, VecT >	MapT

typedef KeyT	key_type

typedef VecT	mapped_type

typedef pair< KeyT, VecT >	value_type

typedef RecFileT::iterator	iterator

typedef RecFileT::const_iterator	const_iterator

Public Member Functions
	ddcMapFile ()

	ddcMapFile (const std::string &filename, size_t vsize_, bool useMMap=false)
	construct and open More...

	~ddcMapFile ()
	default destructor calls close() More...

void	clear ()
	clear() method wraps close() More...

size_t	recsize () const
	returns the number of bytes per record More...

size_t	vecsize () const
	returns the number of elements per value-vector More...

size_t	size () const
	returns the number of records in this object More...

bool	empty () const
	STL-esque wrapper. More...

bool	opened () const
	returns true iff object is opened (or non-empty) More...

	operator bool () const
	implicit typecast to bool More...

VecT &	operator[] (const KeyT &key)
	indexing operator auto-demotes to slurp-mode More...

iterator	begin ()

iterator	end ()

const_iterator	begin () const

const_iterator	end () const

template<typename IterT >
const KeyT &	key (const IterT &it) const

template<typename IterT >
const ValT *	val (const IterT &it) const

const ValT *	find (const KeyT &key_) const
	simulate std::map::find(), returns NULL on error More...

ddcMapFile &	open (const std::string &filename, size_t vsize, bool useMMap=false)

void	close ()

void	ensureMap ()
	force map-implementation More...

Public Attributes
RecFileT	m_rfile
	data (read-only: mmap or slurp) More...

MapT	m_map
	data (read/write: demoted) More...

size_t	m_vsize
	number of elements per value-vector (constant) More...

Detailed Description

template<typename KeyT, typename ValT>
class ddcMapFile< KeyT, ValT >

simulate map<KeyT,ValT> using mmap, slurp, or demote. records should be stored as {KeyT,ValT[]} and sorted in ascending order by key

Member Typedef Documentation

◆ RecFileT

template<typename KeyT, typename ValT>

typedef ddcRecFile ddcMapFile< KeyT, ValT >::RecFileT

◆ VecT

template<typename KeyT, typename ValT>

typedef vector<ValT> ddcMapFile< KeyT, ValT >::VecT

◆ MapT

template<typename KeyT, typename ValT>

typedef map<KeyT, VecT> ddcMapFile< KeyT, ValT >::MapT

◆ key_type

template<typename KeyT, typename ValT>

typedef KeyT ddcMapFile< KeyT, ValT >::key_type

◆ mapped_type

template<typename KeyT, typename ValT>

typedef VecT ddcMapFile< KeyT, ValT >::mapped_type

◆ value_type

template<typename KeyT, typename ValT>

typedef pair<KeyT, VecT> ddcMapFile< KeyT, ValT >::value_type

◆ iterator

template<typename KeyT, typename ValT>

typedef RecFileT::iterator ddcMapFile< KeyT, ValT >::iterator

◆ const_iterator

template<typename KeyT, typename ValT>

typedef RecFileT::const_iterator ddcMapFile< KeyT, ValT >::const_iterator

Constructor & Destructor Documentation

◆ ddcMapFile() [1/2]

template<typename KeyT, typename ValT>

ddcMapFile< KeyT, ValT >::ddcMapFile ( )

inline

◆ ddcMapFile() [2/2]

template<typename KeyT, typename ValT>

ddcMapFile< KeyT, ValT >::ddcMapFile	(	const std::string &	filename,
		size_t	vsize_,
		bool	useMMap = `false`
	)

inline

construct and open

◆ ~ddcMapFile()

template<typename KeyT, typename ValT>

ddcMapFile< KeyT, ValT >::~ddcMapFile ( )

inline

default destructor calls close()

Member Function Documentation

◆ clear()

template<typename KeyT, typename ValT>

void ddcMapFile< KeyT, ValT >::clear ( )

inline

clear() method wraps close()

Referenced by CStringIndexSet::ConvertLoadIndexToWorkingIndex(), and CIndexSetForQueryingStage::DestroyIndexSet().

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◆ recsize()

template<typename KeyT, typename ValT>

size_t ddcMapFile< KeyT, ValT >::recsize ( ) const

inline

returns the number of bytes per record

◆ vecsize()

template<typename KeyT, typename ValT>

size_t ddcMapFile< KeyT, ValT >::vecsize ( ) const

inline

returns the number of elements per value-vector

◆ size()

template<typename KeyT, typename ValT>

size_t ddcMapFile< KeyT, ValT >::size ( ) const

inline

returns the number of records in this object

◆ empty()

template<typename KeyT, typename ValT>

bool ddcMapFile< KeyT, ValT >::empty ( void ) const

inline

STL-esque wrapper.

◆ opened()

template<typename KeyT, typename ValT>

bool ddcMapFile< KeyT, ValT >::opened ( ) const

inline

returns true iff object is opened (or non-empty)

◆ operator bool()

template<typename KeyT, typename ValT>

ddcMapFile< KeyT, ValT >::operator bool ( ) const

inline

implicit typecast to bool

◆ operator[]()

template<typename KeyT, typename ValT>

VecT& ddcMapFile< KeyT, ValT >::operator[] ( const KeyT & key )

inline

indexing operator auto-demotes to slurp-mode

◆ begin() [1/2]

template<typename KeyT, typename ValT>

iterator ddcMapFile< KeyT, ValT >::begin ( )

inline

Referenced by CIndexSetForQueryingStage::AddOccurs().

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◆ end() [1/2]

template<typename KeyT, typename ValT>

iterator ddcMapFile< KeyT, ValT >::end ( )

inline

Referenced by CIndexSetForQueryingStage::AddOccurs().

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◆ begin() [2/2]

template<typename KeyT, typename ValT>

const_iterator ddcMapFile< KeyT, ValT >::begin ( ) const

inline

◆ end() [2/2]

template<typename KeyT, typename ValT>

const_iterator ddcMapFile< KeyT, ValT >::end ( ) const

inline

◆ key()

template<typename KeyT, typename ValT>

template<typename IterT >

const KeyT& ddcMapFile< KeyT, ValT >::key ( const IterT & it ) const

inline

Referenced by CIndexSetForQueryingStage::AddOccurs().

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◆ val()

template<typename KeyT, typename ValT>

template<typename IterT >

const ValT* ddcMapFile< KeyT, ValT >::val ( const IterT & it ) const

inline

◆ find()

template<typename KeyT, typename ValT>

const ValT* ddcMapFile< KeyT, ValT >::find ( const KeyT & key_ ) const

inline

simulate std::map::find(), returns NULL on error

Referenced by CIndexSetForQueryingStage::AddOccurs().

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◆ open()

template<typename KeyT, typename ValT>

ddcMapFile& ddcMapFile< KeyT, ValT >::open	(	const std::string &	filename,
		size_t	vsize,
		bool	useMMap = `false`
	)

inline

Referenced by CIndexSetForQueryingStage::LoadPeriodDivision().

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◆ close()

template<typename KeyT, typename ValT>

void ddcMapFile< KeyT, ValT >::close ( void )

inline

◆ ensureMap()

template<typename KeyT, typename ValT>

void ddcMapFile< KeyT, ValT >::ensureMap ( )

inline

force map-implementation

Referenced by CIndexSetForQueryingStage::BuildPeriodsDivisionAndCompress(), and CIndexSetForQueryingStage::WritePeriodsDivision().

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Member Data Documentation

◆ m_rfile

template<typename KeyT, typename ValT>

RecFileT ddcMapFile< KeyT, ValT >::m_rfile

data (read-only: mmap or slurp)

◆ m_map

template<typename KeyT, typename ValT>

MapT ddcMapFile< KeyT, ValT >::m_map

data (read/write: demoted)

Referenced by CIndexSetForQueryingStage::BuildPeriodsDivisionAndCompress(), and CIndexSetForQueryingStage::WritePeriodsDivision().

◆ m_vsize

template<typename KeyT, typename ValT>

size_t ddcMapFile< KeyT, ValT >::m_vsize

number of elements per value-vector (constant)

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

ddcMMap.h

Classes

Public Types

Public Member Functions

Public Attributes

Detailed Description

template<typename KeyT, typename ValT> class ddcMapFile< KeyT, ValT >

Member Typedef Documentation

◆ RecFileT

◆ VecT

◆ MapT

◆ key_type

◆ mapped_type

◆ value_type

◆ iterator

◆ const_iterator

Constructor & Destructor Documentation

◆ ddcMapFile() [1/2]

◆ ddcMapFile() [2/2]

◆ ~ddcMapFile()

Member Function Documentation

◆ clear()

◆ recsize()

◆ vecsize()

◆ size()

◆ empty()

◆ opened()

◆ operator bool()

◆ operator[]()

◆ begin() [1/2]

◆ end() [1/2]

◆ begin() [2/2]

◆ end() [2/2]

◆ key()

◆ val()

◆ find()

◆ open()

◆ close()

◆ ensureMap()

Member Data Documentation

◆ m_rfile

◆ m_map

◆ m_vsize

template<typename KeyT, typename ValT>
class ddcMapFile< KeyT, ValT >