catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits > Class Template Reference

A mongo cache storage that persists flat cache data using delete and upsert. More...

Inheritance diagram for catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >:

Collaboration diagram for catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >:

Public Member Functions
	MongoFlatCacheStorage (MongoStorageContext &storageContext, model::NetworkIdentifier networkIdentifier)
	Creates a cache storage around storageContext and networkIdentifier. More...
Public Member Functions inherited from catapult::mongo::ExternalCacheStorageT< TCacheTraits::CacheType >
	ExternalCacheStorageT ()
	Creates an external cache storage. More...
void	saveDelta (const cache::CacheChanges &changes) final override
	Saves cache changes to external storage. More...
Public Member Functions inherited from catapult::mongo::ExternalCacheStorage
virtual	~ExternalCacheStorage ()=default
const std::string &	name () const
	Gets the cache name. More...
size_t	id () const
	Gets the cache id. More...

Private Types
using	CacheChangesType = cache::SingleCacheChangesT< typename TCacheTraits::CacheDeltaType, typename TCacheTraits::ModelType >
using	KeyType = typename TCacheTraits::KeyType
using	ModelType = typename TCacheTraits::ModelType
using	ElementContainerType = std::unordered_set< const ModelType * >

Private Member Functions
void	saveDelta (const CacheChangesType &changes) override
	Saves cache changes to external storage. More...
void	removeAll (const ElementContainerType &elements)
void	upsertAll (const ElementContainerType &elements)

Static Private Member Functions
static bsoncxx::document::value	CreateFilter (const ModelType *pModel)
static bsoncxx::document::value	CreateFilterByKey (const KeyType &key)

Private Attributes
MongoDatabase	m_database
MongoErrorPolicy	m_errorPolicy
MongoBulkWriter &	m_bulkWriter
model::NetworkIdentifier	m_networkIdentifier

Additional Inherited Members
Protected Member Functions inherited from catapult::mongo::ExternalCacheStorage
	ExternalCacheStorage (const std::string &name, size_t id)
	Creates an external cache storage around name and id. More...

Detailed Description

template<typename TCacheTraits>
class catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >

A mongo cache storage that persists flat cache data using delete and upsert.

Member Typedef Documentation

CacheChangesType

template<typename TCacheTraits >

using catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::CacheChangesType = cache::SingleCacheChangesT<typename TCacheTraits::CacheDeltaType, typename TCacheTraits::ModelType>

private

ElementContainerType

template<typename TCacheTraits >

using catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::ElementContainerType = std::unordered_set<const ModelType*>

private

KeyType

template<typename TCacheTraits >

using catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::KeyType = typename TCacheTraits::KeyType

private

ModelType

template<typename TCacheTraits >

using catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::ModelType = typename TCacheTraits::ModelType

private

Constructor & Destructor Documentation

MongoFlatCacheStorage()

template<typename TCacheTraits >

catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::MongoFlatCacheStorage ( MongoStorageContext &  storageContext, model::NetworkIdentifier  networkIdentifier  )

inline

Creates a cache storage around storageContext and networkIdentifier.

Member Function Documentation

CreateFilter()

template<typename TCacheTraits >

static bsoncxx::document::value catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::CreateFilter ( const ModelType *  pModel )

inlinestaticprivate

CreateFilterByKey()

template<typename TCacheTraits >

static bsoncxx::document::value catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::CreateFilterByKey ( const KeyType &  key )

inlinestaticprivate

removeAll()

template<typename TCacheTraits >

void catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::removeAll ( const ElementContainerType &  elements )

inlineprivate

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saveDelta()

template<typename TCacheTraits >

void catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::saveDelta ( const CacheChangesType &  changes )

inlineoverrideprivatevirtual

Saves cache changes to external storage.

Implements catapult::mongo::ExternalCacheStorageT< TCacheTraits::CacheType >.

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upsertAll()

template<typename TCacheTraits >

void catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::upsertAll ( const ElementContainerType &  elements )

inlineprivate

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Member Data Documentation

m_bulkWriter

template<typename TCacheTraits >

MongoBulkWriter& catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::m_bulkWriter

private

m_database

template<typename TCacheTraits >

MongoDatabase catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::m_database

private

m_errorPolicy

template<typename TCacheTraits >

MongoErrorPolicy catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::m_errorPolicy

private

m_networkIdentifier

template<typename TCacheTraits >

model::NetworkIdentifier catapult::mongo::storages::MongoFlatCacheStorage< TCacheTraits >::m_networkIdentifier

private

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

• MongoCacheStorage.h