leveldb::VersionSet Class Reference

#include <version_set.h>

Collaboration diagram for leveldb::VersionSet:

Classes
class	Builder
struct	LevelSummaryStorage

Public Member Functions
	VersionSet (const std::string &dbname, const Options *options, TableCache *table_cache, const InternalKeyComparator *)
	~VersionSet ()
Status	LogAndApply (VersionEdit *edit, port::Mutex *mu) EXCLUSIVE_LOCKS_REQUIRED(mu)
Status	Recover ()
Version *	current () const
uint64_t	ManifestFileNumber () const
uint64_t	NewFileNumber ()
void	ReuseFileNumber (uint64_t file_number)
int	NumLevelFiles (int level) const
int64_t	NumLevelBytes (int level) const
uint64_t	LastSequence () const
void	SetLastSequence (uint64_t s)
void	MarkFileNumberUsed (uint64_t number)
uint64_t	LogNumber () const
uint64_t	PrevLogNumber () const
Compaction *	PickCompaction ()
Compaction *	CompactRange (int level, const InternalKey *begin, const InternalKey *end)
int64_t	MaxNextLevelOverlappingBytes ()
Iterator *	MakeInputIterator (Compaction *c)
bool	NeedsCompaction () const
void	AddLiveFiles (std::set< uint64_t > *live)
uint64_t	ApproximateOffsetOf (Version *v, const InternalKey &key)
const char *	LevelSummary (LevelSummaryStorage *scratch) const

Private Member Functions
void	Finalize (Version *v)
void	GetRange (const std::vector< FileMetaData * > &inputs, InternalKey *smallest, InternalKey *largest)
void	GetRange2 (const std::vector< FileMetaData * > &inputs1, const std::vector< FileMetaData * > &inputs2, InternalKey *smallest, InternalKey *largest)
void	SetupOtherInputs (Compaction *c)
Status	WriteSnapshot (log::Writer *log)
void	AppendVersion (Version *v)
bool	ManifestContains (const std::string &record) const
	VersionSet (const VersionSet &)
void	operator= (const VersionSet &)

Private Attributes
Env *const	env_
const std::string	dbname_
const Options *const	options_
TableCache *const	table_cache_
const InternalKeyComparator	icmp_
uint64_t	next_file_number_
uint64_t	manifest_file_number_
uint64_t	last_sequence_
uint64_t	log_number_
uint64_t	prev_log_number_
WritableFile *	descriptor_file_
log::Writer *	descriptor_log_
Version	dummy_versions_
Version *	current_
std::string	compact_pointer_ [config::kNumLevels]

Friends
class	Compaction
class	Version

Detailed Description

Definition at line 165 of file version_set.h.

Constructor & Destructor Documentation

leveldb::VersionSet::VersionSet	(	const std::string &	dbname,
		const Options *	options,
		TableCache *	table_cache,
		const InternalKeyComparator *	cmp
	)

Definition at line 780 of file version_set.cc.

leveldb::VersionSet::~VersionSet

(

)

Definition at line 801 of file version_set.cc.

leveldb::VersionSet::VersionSet ( const VersionSet &  )

private

Member Function Documentation

void leveldb::VersionSet::AddLiveFiles

(

std::set< uint64_t > *

live

)

Definition at line 1184 of file version_set.cc.

void leveldb::VersionSet::AppendVersion ( Version *  v )

private

Definition at line 808 of file version_set.cc.

uint64_t leveldb::VersionSet::ApproximateOffsetOf	(	Version *	v,
		const InternalKey &	key
	)

Definition at line 1152 of file version_set.cc.

Compaction * leveldb::VersionSet::CompactRange	(	int	level,
		const InternalKey *	begin,
		const InternalKey *	end
	)

Definition at line 1411 of file version_set.cc.

Version* leveldb::VersionSet::current ( ) const

inline

Definition at line 185 of file version_set.h.

void leveldb::VersionSet::Finalize ( Version *  v )

private

Definition at line 1039 of file version_set.cc.

void leveldb::VersionSet::GetRange ( const std::vector< FileMetaData * > &  inputs, InternalKey *  smallest, InternalKey *  largest  )

private

Definition at line 1223 of file version_set.cc.

void leveldb::VersionSet::GetRange2 ( const std::vector< FileMetaData * > &  inputs1, const std::vector< FileMetaData * > &  inputs2, InternalKey *  smallest, InternalKey *  largest  )

private

Definition at line 1248 of file version_set.cc.

uint64_t leveldb::VersionSet::LastSequence ( ) const

inline

Definition at line 209 of file version_set.h.

const char * leveldb::VersionSet::LevelSummary

(

LevelSummaryStorage *

scratch

)

const

Definition at line 1112 of file version_set.cc.

Status leveldb::VersionSet::LogAndApply	(	VersionEdit *	edit,
		port::Mutex *	mu
	)

Definition at line 825 of file version_set.cc.

uint64_t leveldb::VersionSet::LogNumber ( ) const

inline

Definition at line 221 of file version_set.h.

Iterator * leveldb::VersionSet::MakeInputIterator

(

Compaction *

c

)

Definition at line 1257 of file version_set.cc.

bool leveldb::VersionSet::ManifestContains ( const std::string &  record ) const

private

Definition at line 1128 of file version_set.cc.

uint64_t leveldb::VersionSet::ManifestFileNumber ( ) const

inline

Definition at line 188 of file version_set.h.

void leveldb::VersionSet::MarkFileNumberUsed

(

uint64_t

number

)

Definition at line 1033 of file version_set.cc.

int64_t leveldb::VersionSet::MaxNextLevelOverlappingBytes

(

)

Definition at line 1203 of file version_set.cc.

bool leveldb::VersionSet::NeedsCompaction ( ) const

inline

Definition at line 251 of file version_set.h.

uint64_t leveldb::VersionSet::NewFileNumber ( )

inline

Definition at line 191 of file version_set.h.

int64_t leveldb::VersionSet::NumLevelBytes

(

int

level

)

const

Definition at line 1197 of file version_set.cc.

int leveldb::VersionSet::NumLevelFiles

(

int

level

)

const

Definition at line 1106 of file version_set.cc.

void leveldb::VersionSet::operator= ( const VersionSet &  )

private

Compaction * leveldb::VersionSet::PickCompaction

(

)

Definition at line 1290 of file version_set.cc.

uint64_t leveldb::VersionSet::PrevLogNumber ( ) const

inline

Definition at line 225 of file version_set.h.

Status leveldb::VersionSet::Recover

(

)

Definition at line 918 of file version_set.cc.

void leveldb::VersionSet::ReuseFileNumber ( uint64_t  file_number )

inline

Definition at line 196 of file version_set.h.

void leveldb::VersionSet::SetLastSequence ( uint64_t  s )

inline

Definition at line 212 of file version_set.h.

void leveldb::VersionSet::SetupOtherInputs ( Compaction *  c )

private

Definition at line 1344 of file version_set.cc.

Status leveldb::VersionSet::WriteSnapshot ( log::Writer *  log )

private

Definition at line 1076 of file version_set.cc.

Friends And Related Function Documentation

friend class Compaction

friend

Definition at line 272 of file version_set.h.

friend class Version

friend

Definition at line 275 of file version_set.h.

Member Data Documentation

std::string leveldb::VersionSet::compact_pointer_[config::kNumLevels]

private

Definition at line 316 of file version_set.h.

Version* leveldb::VersionSet::current_

private

Definition at line 312 of file version_set.h.

const std::string leveldb::VersionSet::dbname_

private

Definition at line 298 of file version_set.h.

WritableFile* leveldb::VersionSet::descriptor_file_

private

Definition at line 309 of file version_set.h.

log::Writer* leveldb::VersionSet::descriptor_log_

private

Definition at line 310 of file version_set.h.

Version leveldb::VersionSet::dummy_versions_

private

Definition at line 311 of file version_set.h.

Env* const leveldb::VersionSet::env_

private

Definition at line 297 of file version_set.h.

const InternalKeyComparator leveldb::VersionSet::icmp_

private

Definition at line 301 of file version_set.h.

uint64_t leveldb::VersionSet::last_sequence_

private

Definition at line 304 of file version_set.h.

uint64_t leveldb::VersionSet::log_number_

private

Definition at line 305 of file version_set.h.

uint64_t leveldb::VersionSet::manifest_file_number_

private

Definition at line 303 of file version_set.h.

uint64_t leveldb::VersionSet::next_file_number_

private

Definition at line 302 of file version_set.h.

const Options* const leveldb::VersionSet::options_

private

Definition at line 299 of file version_set.h.

uint64_t leveldb::VersionSet::prev_log_number_

private

Definition at line 306 of file version_set.h.

TableCache* const leveldb::VersionSet::table_cache_

private

Definition at line 300 of file version_set.h.

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

• src/leveldb/db/version_set.h
• src/leveldb/db/version_set.cc