mongo::MmapV1ExtentManager::FilesArray Class Reference

Simple wrapper around an array object to allow append-only modification of the array, as well as concurrent read-accesses. More...

Detailed Description

Simple wrapper around an array object to allow append-only modification of the array, as well as concurrent read-accesses.

This class has a minimal interface to keep implementation simple and easy to modify.

Public Member Functions
	FilesArray ()
	~FilesArray ()
void	close (OperationContext *opCtx)
	Must be called before destruction. More...
DataFile *	operator[] (int n) const
	Returns file at location 'n' in the array, with 'n' less than number of files added. More...
bool	empty () const
	Returns true iff no files were added. More...
int	size () const
	Returns number of files added to the array. More...
void	push_back (DataFile *val)

Private Attributes
stdx::mutex	_writersMutex
AtomicInt32	_size
DataFile *	_files [DiskLoc::MaxFiles]

Constructor & Destructor Documentation

FilesArray()

mongo::MmapV1ExtentManager::FilesArray::FilesArray ( )

inline

~FilesArray()

mongo::MmapV1ExtentManager::FilesArray::~FilesArray

(

)

Member Function Documentation

close()

void mongo::MmapV1ExtentManager::FilesArray::close

(

OperationContext *

opCtx

)

Must be called before destruction.

empty()

bool mongo::MmapV1ExtentManager::FilesArray::empty ( ) const

inline

Returns true iff no files were added.

operator[]()

DataFile* mongo::MmapV1ExtentManager::FilesArray::operator[] ( int  n ) const

inline

Returns file at location 'n' in the array, with 'n' less than number of files added.

Will always return the same pointer for a given file.

push_back()

void mongo::MmapV1ExtentManager::FilesArray::push_back

(

DataFile *

val

)

size()

int mongo::MmapV1ExtentManager::FilesArray::size ( ) const

inline

Returns number of files added to the array.

Member Data Documentation

_files

DataFile* mongo::MmapV1ExtentManager::FilesArray::_files[DiskLoc::MaxFiles]

private

_size

AtomicInt32 mongo::MmapV1ExtentManager::FilesArray::_size

private

_writersMutex

stdx::mutex mongo::MmapV1ExtentManager::FilesArray::_writersMutex

private

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

• /home/louis/git/mongodbsource.github.io/src/src/mongo/db/storage/mmap_v1/mmap_v1_extent_manager.h
• /home/louis/git/mongodbsource.github.io/src/src/mongo/db/storage/mmap_v1/mmap_v1_extent_manager.cpp