DBTableWalker Class Reference

#include <db_table_walker.h>

Collaboration diagram for DBTableWalker:

Classes
class	Walker
class	Worker

Public Types
typedef boost::function< bool(DBTablePartBase *, DBEntryBase *)>	WalkFn
typedef boost::function< void(DBTableBase *)>	WalkCompleteFn
typedef int	WalkId

Public Member Functions
	DBTableWalker (int task_id=-1)
WalkId	WalkTable (DBTable *table, const DBRequestKey *key_start, WalkFn walker, WalkCompleteFn walk_complete, bool postpone_walk=false)
void	WalkCancel (WalkId id)
void	WalkResume (WalkId id)
int	task_id () const

Static Public Member Functions
static void	SetIterationToYield (int count)

Static Public Attributes
static const int	kIterationToYield = 1024
static const WalkId	kInvalidWalkerId = -1

Private Types
typedef std::vector< Walker * >	WalkerList
typedef boost::dynamic_bitset	WalkerMap

Private Member Functions
void	PurgeWalker (WalkId id)

Static Private Member Functions
static int	GetIterationToYield ()

Private Attributes
int	task_id_
tbb::mutex	walkers_mutex_
WalkerList	walkers_
WalkerMap	walker_map_

Static Private Attributes
static int	max_iteration_to_yield_ = kIterationToYield

Detailed Description

Definition at line 18 of file db_table_walker.h.

Member Typedef Documentation

typedef boost::function<void(DBTableBase *)> DBTableWalker::WalkCompleteFn

Definition at line 29 of file db_table_walker.h.

typedef std::vector<Walker *> DBTableWalker::WalkerList

private

Definition at line 81 of file db_table_walker.h.

typedef boost::dynamic_bitset DBTableWalker::WalkerMap

private

Definition at line 84 of file db_table_walker.h.

typedef boost::function<bool(DBTablePartBase *, DBEntryBase *)> DBTableWalker::WalkFn

Definition at line 26 of file db_table_walker.h.

typedef int DBTableWalker::WalkId

Definition at line 31 of file db_table_walker.h.

Constructor & Destructor Documentation

DBTableWalker::DBTableWalker

(

int

task_id = -1

)

Definition at line 201 of file db_table_walker.cc.

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Member Function Documentation

static int DBTableWalker::GetIterationToYield ( )

inlinestaticprivate

Definition at line 59 of file db_table_walker.h.

void DBTableWalker::PurgeWalker ( WalkId  id )

private

Definition at line 245 of file db_table_walker.cc.

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static void DBTableWalker::SetIterationToYield ( int  count )

inlinestatic

Definition at line 52 of file db_table_walker.h.

int DBTableWalker::task_id ( ) const

inline

Definition at line 50 of file db_table_walker.h.

void DBTableWalker::WalkCancel

(

WalkId

id

)

Definition at line 234 of file db_table_walker.cc.

void DBTableWalker::WalkResume

(

WalkId

id

)

Definition at line 240 of file db_table_walker.cc.

DBTableWalker::WalkId DBTableWalker::WalkTable	(	DBTable *	table,
		const DBRequestKey *	key_start,
		WalkFn	walker,
		WalkCompleteFn	walk_complete,
		bool	postpone_walk = false
	)

Definition at line 208 of file db_table_walker.cc.

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Member Data Documentation

const WalkId DBTableWalker::kInvalidWalkerId = -1

static

Definition at line 34 of file db_table_walker.h.

const int DBTableWalker::kIterationToYield = 1024

static

Definition at line 33 of file db_table_walker.h.

int DBTableWalker::max_iteration_to_yield_ = kIterationToYield

staticprivate

Definition at line 57 of file db_table_walker.h.

int DBTableWalker::task_id_

private

Definition at line 90 of file db_table_walker.h.

WalkerMap DBTableWalker::walker_map_

private

Definition at line 93 of file db_table_walker.h.

WalkerList DBTableWalker::walkers_

private

Definition at line 92 of file db_table_walker.h.

tbb::mutex DBTableWalker::walkers_mutex_

private

Definition at line 91 of file db_table_walker.h.

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

• db_table_walker.h
• db_table_walker.cc