InMemoryPositionList Class Reference

A position list in a inmemory database. More...

#include <inmemory_positionlist.h>

Inheritance diagram for InMemoryPositionList:

Collaboration diagram for InMemoryPositionList:

Public Member Functions
	InMemoryPositionList ()
	Default constructor. More...
	InMemoryPositionList (bool)
	Construct an empty InMemoryPositionList. More...
	InMemoryPositionList (const OmDocumentTerm::term_positions &positions_)
	Construct, fill list with data, and move the position to the start. More...
void	set_data (const OmDocumentTerm::term_positions &positions_)
	Fill list with data, and move the position to the start. More...
Xapian::termcount	get_approx_size () const
	Gets size of position list. More...
Xapian::termpos	get_position () const
	Gets current position. More...
bool	next ()
	Move to the next item in the list. More...
bool	skip_to (Xapian::termpos termpos)
	Move to the next item in the list. More...
Public Member Functions inherited from Xapian::PositionIterator::Internal
virtual	~Internal ()
	We have virtual methods and want to be able to delete derived classes using a pointer to the base class, so we need a virtual destructor. More...
Public Member Functions inherited from Xapian::Internal::intrusive_base
	intrusive_base ()
	Construct with no references. More...

Private Member Functions
	InMemoryPositionList (const InMemoryPositionList &)
	Copying is not allowed. More...
void	operator= (const InMemoryPositionList &)
	Assignment is not allowed. More...

Private Attributes
vector< Xapian::termpos >	positions
	The list of positions. More...
vector< Xapian::termpos >::const_iterator	mypos
	Position of iteration through positions. More...
bool	iterating_in_progress
	True if we have started iterating. More...

Additional Inherited Members
Public Attributes inherited from Xapian::Internal::intrusive_base
unsigned	_refs
	Reference count. More...
Protected Member Functions inherited from Xapian::PositionIterator::Internal
	Internal ()
	Only constructable as a base class for derived classes. More...

Detailed Description

A position list in a inmemory database.

Definition at line 36 of file inmemory_positionlist.h.

Constructor & Destructor Documentation

InMemoryPositionList() [1/4]

InMemoryPositionList::InMemoryPositionList ( const InMemoryPositionList &  )

private

Copying is not allowed.

InMemoryPositionList() [2/4]

InMemoryPositionList::InMemoryPositionList ( )

inline

Default constructor.

Definition at line 56 of file inmemory_positionlist.h.

InMemoryPositionList() [3/4]

InMemoryPositionList::InMemoryPositionList ( bool  )

inlineexplicit

Construct an empty InMemoryPositionList.

Definition at line 59 of file inmemory_positionlist.h.

InMemoryPositionList() [4/4]

InMemoryPositionList::InMemoryPositionList ( const OmDocumentTerm::term_positions &  positions_ )

explicit

Construct, fill list with data, and move the position to the start.

Definition at line 30 of file inmemory_positionlist.cc.

Member Function Documentation

get_approx_size()

Xapian::termcount InMemoryPositionList::get_approx_size ( ) const

virtual

Gets size of position list.

Implements Xapian::PositionIterator::Internal.

Definition at line 45 of file inmemory_positionlist.cc.

References positions.

get_position()

Xapian::termpos InMemoryPositionList::get_position ( ) const

virtual

Gets current position.

Implements Xapian::PositionIterator::Internal.

Definition at line 51 of file inmemory_positionlist.cc.

References Assert, iterating_in_progress, mypos, and positions.

next()

bool InMemoryPositionList::next ( )

virtual

Move to the next item in the list.

Either next() or skip_to() must be called before any other methods.

Implements Xapian::PositionIterator::Internal.

Definition at line 59 of file inmemory_positionlist.cc.

References Assert, iterating_in_progress, mypos, and positions.

operator=()

void InMemoryPositionList::operator= ( const InMemoryPositionList &  )

private

Assignment is not allowed.

set_data()

void InMemoryPositionList::set_data

(

const OmDocumentTerm::term_positions &

positions_

)

Fill list with data, and move the position to the start.

Definition at line 37 of file inmemory_positionlist.cc.

References iterating_in_progress, mypos, and positions.

Referenced by InMemoryPostList::read_position_list().

skip_to()

bool InMemoryPositionList::skip_to ( Xapian::termpos  termpos )

virtual

Move to the next item in the list.

Either next() or skip_to() must be called before any other methods.

Implements Xapian::PositionIterator::Internal.

Definition at line 71 of file inmemory_positionlist.cc.

References iterating_in_progress, mypos, and positions.

Member Data Documentation

iterating_in_progress

bool InMemoryPositionList::iterating_in_progress

private

True if we have started iterating.

Definition at line 46 of file inmemory_positionlist.h.

Referenced by get_position(), next(), set_data(), and skip_to().

mypos

vector<Xapian::termpos>::const_iterator InMemoryPositionList::mypos

private

Position of iteration through positions.

Definition at line 43 of file inmemory_positionlist.h.

Referenced by get_position(), next(), set_data(), and skip_to().

positions

vector<Xapian::termpos> InMemoryPositionList::positions

private

The list of positions.

Definition at line 40 of file inmemory_positionlist.h.

Referenced by get_approx_size(), get_position(), next(), set_data(), and skip_to().

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

• backends/inmemory/inmemory_positionlist.h
• backends/inmemory/inmemory_positionlist.cc