mongo::DiskLoc Class Reference

represents a disk location/offset on disk in a database. More...

#include <diskloc.h>

Detailed Description

represents a disk location/offset on disk in a database.

64 bits. it is assumed these will be passed around by value a lot so don't do anything to make them large (such as adding a virtual function)

Public Types
enum	SentinelValues { NullOfs = -1, MaxFiles = 16000, InvalidRepr = -2LL }

Public Member Functions
	DiskLoc (int a, int Ofs)
	DiskLoc ()
bool	questionable () const
bool	isNull () const
DiskLoc &	Null ()
void	assertOk () const
DiskLoc &	setInvalid ()
bool	isValid () const
std::string	toString () const
BSONObj	toBSONObj () const
int	a () const
int &	GETOFS ()
int	getOfs () const
void	set (int a, int b)
void	inc (int amt)
bool	sameFile (DiskLoc b)
bool	operator== (const DiskLoc &b) const
bool	operator!= (const DiskLoc &b) const
int	compare (const DiskLoc &b) const
RecordId	toRecordId () const

Static Public Member Functions
static DiskLoc	min ()
static DiskLoc	max ()
static DiskLoc	fromRecordId (RecordId id)

Private Attributes
int	_a
int	ofs

Member Enumeration Documentation

SentinelValues

enum mongo::DiskLoc::SentinelValues

Enumerator
NullOfs
MaxFiles
InvalidRepr

Constructor & Destructor Documentation

DiskLoc() [1/2]

mongo::DiskLoc::DiskLoc ( int  a, int  Ofs  )

inline

DiskLoc() [2/2]

mongo::DiskLoc::DiskLoc ( )

inline

Member Function Documentation

a()

int mongo::DiskLoc::a ( ) const

inline

assertOk()

void mongo::DiskLoc::assertOk ( ) const

inline

compare()

int mongo::DiskLoc::compare ( const DiskLoc &  b ) const

inline

fromRecordId()

static DiskLoc mongo::DiskLoc::fromRecordId ( RecordId  id )

inlinestatic

GETOFS()

int& mongo::DiskLoc::GETOFS ( )

inline

getOfs()

int mongo::DiskLoc::getOfs ( ) const

inline

inc()

void mongo::DiskLoc::inc ( int  amt )

inline

isNull()

bool mongo::DiskLoc::isNull ( ) const

inline

isValid()

bool mongo::DiskLoc::isValid ( ) const

inline

max()

static DiskLoc mongo::DiskLoc::max ( )

inlinestatic

min()

static DiskLoc mongo::DiskLoc::min ( )

inlinestatic

Null()

DiskLoc& mongo::DiskLoc::Null ( )

inline

operator!=()

bool mongo::DiskLoc::operator!= ( const DiskLoc &  b ) const

inline

operator==()

bool mongo::DiskLoc::operator== ( const DiskLoc &  b ) const

inline

questionable()

bool mongo::DiskLoc::questionable ( ) const

inline

sameFile()

bool mongo::DiskLoc::sameFile ( DiskLoc  b )

inline

set()

void mongo::DiskLoc::set ( int  a, int  b  )

inline

setInvalid()

DiskLoc& mongo::DiskLoc::setInvalid ( )

inline

toBSONObj()

BSONObj mongo::DiskLoc::toBSONObj ( ) const

inline

toRecordId()

RecordId mongo::DiskLoc::toRecordId ( ) const

inline

toString()

std::string mongo::DiskLoc::toString ( ) const

inline

Member Data Documentation

_a

int mongo::DiskLoc::_a

private

ofs

int mongo::DiskLoc::ofs

private

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

• /home/louis/git/mongodbsource.github.io/src/src/mongo/db/storage/mmap_v1/diskloc.h