Hypertable::LocationCache Class Reference

This class acts as a cache of Range location information. More...

#include <LocationCache.h>

Collaboration diagram for Hypertable::LocationCache:

Classes
struct	CommAddressPointerLt
	STL Strict Weak Ordering for comparing CommAddress pointers. More...
struct	Value

Public Member Functions
	LocationCache (uint32_t max_entries)
	~LocationCache ()
void	insert (const char *table_name, RangeLocationInfo &range_loc_info, bool pegged=false)
	Insert. More...
bool	lookup (const char *table_name, const char *rowkey, RangeLocationInfo *range_loc_infop, bool inclusive=false)
	Lookup. More...
bool	lookup (const char *table_name, const char *rowkey, RangeAddrInfo *range_addr_infop, bool inclusive=false)
bool	invalidate (const char *table_name, const char *rowkey)
void	invalidate_host (const std::string &hostname)
void	display (std::ostream &)

Private Types
typedef std::map < LocationCacheKey, Value * >	LocationMap
typedef std::set< const CommAddress *, CommAddressPointerLt >	AddressSet

Private Member Functions
bool	lookup (const char *table_name, const char *rowkey, Value *&cacheval, bool inclusive)
void	move_to_head (Value *cacheval)
	MoveToHead. More...
void	remove (Value *cacheval)
	remove More...
const CommAddress *	get_constant_address (const CommAddress &addr)

Private Attributes
std::mutex	m_mutex
LocationMap	m_location_map
AddressSet	m_addresses
Value *	m_head
Value *	m_tail
uint32_t	m_max_entries
FlyweightString	m_strings

Detailed Description

This class acts as a cache of Range location information.

It

Definition at line 85 of file LocationCache.h.

Member Typedef Documentation

typedef std::set<const CommAddress *, CommAddressPointerLt> Hypertable::LocationCache::AddressSet

private

Definition at line 130 of file LocationCache.h.

typedef std::map<LocationCacheKey, Value *> Hypertable::LocationCache::LocationMap

private

Definition at line 129 of file LocationCache.h.

Constructor & Destructor Documentation

Hypertable::LocationCache::LocationCache ( uint32_t  max_entries )

inline

Definition at line 98 of file LocationCache.h.

LocationCache::~LocationCache

(

)

Definition at line 101 of file LocationCache.cc.

Member Function Documentation

void LocationCache::display

(

std::ostream &

out

)

Definition at line 194 of file LocationCache.cc.

const CommAddress * LocationCache::get_constant_address ( const CommAddress &  addr )

private

Definition at line 281 of file LocationCache.cc.

void LocationCache::insert	(	const char *	table_name,
		RangeLocationInfo &	range_loc_info,
		bool	pegged = false
	)

Insert.

Definition at line 40 of file LocationCache.cc.

bool LocationCache::invalidate	(	const char *	table_name,
		const char *	rowkey
	)

Definition at line 144 of file LocationCache.cc.

void LocationCache::invalidate_host

(

const std::string &

hostname

)

Definition at line 174 of file LocationCache.cc.

bool LocationCache::lookup	(	const char *	table_name,
		const char *	rowkey,
		RangeLocationInfo *	range_loc_infop,
		bool	inclusive = false
	)

Lookup.

Definition at line 115 of file LocationCache.cc.

bool LocationCache::lookup	(	const char *	table_name,
		const char *	rowkey,
		RangeAddrInfo *	range_addr_infop,
		bool	inclusive = false
	)

Definition at line 131 of file LocationCache.cc.

bool LocationCache::lookup ( const char *  table_name, const char *  rowkey, Value *&  cacheval, bool  inclusive  )

private

Definition at line 200 of file LocationCache.cc.

void LocationCache::move_to_head ( Value *  cacheval )

private

MoveToHead.

Definition at line 235 of file LocationCache.cc.

void LocationCache::remove ( Value *  cacheval )

private

remove

Definition at line 257 of file LocationCache.cc.

Member Data Documentation

AddressSet Hypertable::LocationCache::m_addresses

private

Definition at line 134 of file LocationCache.h.

Value* Hypertable::LocationCache::m_head

private

Definition at line 135 of file LocationCache.h.

LocationMap Hypertable::LocationCache::m_location_map

private

Definition at line 133 of file LocationCache.h.

uint32_t Hypertable::LocationCache::m_max_entries

private

Definition at line 137 of file LocationCache.h.

std::mutex Hypertable::LocationCache::m_mutex

private

Definition at line 132 of file LocationCache.h.

FlyweightString Hypertable::LocationCache::m_strings

private

Definition at line 138 of file LocationCache.h.

Value* Hypertable::LocationCache::m_tail

private

Definition at line 136 of file LocationCache.h.

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

• /home/doug/src/hypertable/src/cc/Hypertable/Lib/LocationCache.h
• /home/doug/src/hypertable/src/cc/Hypertable/Lib/LocationCache.cc