cache Namespace Reference

Detailed Description

Utilities for caching.

Classes
class	CacheUpdateTrait
	Base class for periodically updated caches. More...
struct	Config
class	ConfigError
struct	ConfigPatch
class	DataError
class	EmptyCacheError
class	EmptyDataError
class	ExpirableLruCache
	Class for expirable LRU cache. Use cache::LruMap for not expirable LRU Cache. More...
class	LruCacheComponent
	Base class for LRU-cache components. More...
struct	LruCacheConfig
struct	LruCacheConfigStatic
class	LruCacheWrapper
class	LruMap
class	LruSet
class	NWayLRU
class	UpdateStatisticsScope
	Allows a specific cache to fill cache statistics during an Update. More...
class	UpdateStatisticsScopeMock
	Allows to test helper functions of CacheUpdateTrait::Update that use UpdateStatisticsScope. More...

Enumerations
enum class	UpdateType {   kFull ,   kIncremental }
	Type of CachingComponentBase update. More...
enum class	AllowedUpdateTypes {   kFullAndIncremental ,   kOnlyFull ,   kOnlyIncremental }
	Update types allowed for a CachingComponentBase instance by static config. More...
enum class	FirstUpdateMode {   kRequired ,   kBestEffort ,   kSkip }
enum class	FirstUpdateType {   kFull ,   kIncremental ,   kIncrementalThenAsyncFull }
enum class	BackgroundUpdateMode {   kEnabled ,   kDisabled }

Functions
UpdateType	Parse (const formats::json::Value &value, formats::parse::To< UpdateType >)
std::string_view	ToString (UpdateType update_type)
AllowedUpdateTypes	Parse (const yaml_config::YamlConfig &value, formats::parse::To< AllowedUpdateTypes >)
std::string_view	ToString (AllowedUpdateTypes allowed_update_types)
FirstUpdateMode	Parse (const yaml_config::YamlConfig &config, formats::parse::To< FirstUpdateMode >)
std::string_view	ToString (FirstUpdateMode)
FirstUpdateType	Parse (const yaml_config::YamlConfig &config, formats::parse::To< FirstUpdateType >)
std::string_view	ToString (FirstUpdateType)
ConfigPatch	Parse (const formats::json::Value &value, formats::parse::To< ConfigPatch >)
template<typename Key , typename Value , typename Hash , typename Equal >
void	DumpMetric (utils::statistics::Writer &writer, const ExpirableLruCache< Key, Value, Hash, Equal > &cache)
LruCacheConfig	Parse (const formats::json::Value &value, formats::parse::To< LruCacheConfig >)
std::optional< LruCacheConfig >	GetLruConfig (const dynamic_config::Snapshot &config, const std::string &cache_name)

Variables
const dynamic_config::Key< std::unordered_map< std::string, ConfigPatch > >	kCacheConfigSet
const dynamic_config::Key< std::unordered_map< std::string, LruCacheConfig > >	kLruCacheConfigSet

Enumeration Type Documentation

AllowedUpdateTypes

enum class cache::AllowedUpdateTypes

strong

Update types allowed for a CachingComponentBase instance by static config.

Definition at line 26 of file update_type.hpp.

BackgroundUpdateMode

enum class cache::BackgroundUpdateMode

strong

Definition at line 17 of file lru_cache_config.hpp.

FirstUpdateMode

enum class cache::FirstUpdateMode

strong

Definition at line 27 of file cache_config.hpp.

FirstUpdateType

enum class cache::FirstUpdateType

strong

Definition at line 37 of file cache_config.hpp.

UpdateType

enum class cache::UpdateType

strong

Type of CachingComponentBase update.

Enumerator
kFull	requests all the items, starting from scratch
kIncremental	requests only newly updated items

Definition at line 16 of file update_type.hpp.

Function Documentation

DumpMetric()

template<typename Key , typename Value , typename Hash , typename Equal >

void cache::DumpMetric	(	utils::statistics::Writer &	writer,
		const ExpirableLruCache< Key, Value, Hash, Equal > &	cache )

Definition at line 419 of file expirable_lru_cache.hpp.