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NCBI C++ ToolKit: include/gui/widgets/seq_graphic/graph_cache.hpp Source File

nc_service = reg.

(

,

,

);

<

TData>

s_Cache.

();

}

(exception& e) {

lock_guard<mutex> lock(

);

(

.count(data_key) != 0)

lock_guard<mutex> lock(

);

(

.count(data_key) > 0)

=

(

TData(data_key));

lock_guard<mutex> lock(

);

lock_guard<mutex> lock(

);

unique_lock<mutex> lock(

);

lock_guard<mutex> lock(

);

< Storage factory provides ICache instance for permanent storage of cached data

CGraphCacheFactory(const string &param)

void DeleteObject(ICache *obj)

ICache * CreateObject(void)

void SaveData(CRef< TData > data)

Clones TData, puts it into Save Queue for asynchroneous storage operation.

void RemoveData(const string &data_key)

Removes Data from in-memory cache.

mutex m_Lock

Saving Queue and Cache lock.

queue< CRef< TData > > m_Queue

Saving Queue for storage operations.

TGraphCachePool m_Storage

ICache pool.

void EnableICache(bool value)

thread m_Thread

background thread for save processing

map< TDataKey, CRef< TData > > m_Cache

in-memory data cache

CRef< TData > GetData(const string &data_key)

Retrieves TData from in-memory cache or if not found calls TData::Init to initialize new TData instan...

void x_Run(CRef< CRequestContext > context)

CGraphCache(const CGraphCache &)=delete

condition_variable m_CV

wake-up signal for save requests

static CGraphCache & GetInstance()

atomic< bool > m_StopRequested

flag to stop the backround thread

CRef< TData > GetCachedData(const string &data_key)

Retrieves TData from in-memory cache.

bool m_HasICache

Flag indicates if data should be saved into ICache.

CGraphCache & operator=(const CGraphCache &)=delete

static CNcbiApplication * Instance(void)

Singleton method.

Client to NetCache server (implements ICache interface)

Helper class for object allocation/deallocation.

T & Get(void)

Create the variable if not created yet, return the reference.

BLOB cache read/write/maintenance interface.

const_iterator end() const

const_iterator find(const key_type &key) const

const CNcbiRegistry & GetConfig(void) const

Get the application's cached configuration parameters (read-only).

static void SetRequestContext(CRequestContext *ctx)

Shortcut to CDiagContextThreadData::GetThreadData().SetRequestContext()

static CRequestContext & GetRequestContext(void)

Shortcut to CDiagContextThreadData::GetThreadData().GetRequestContext()

#define ERR_POST(message)

Error posting with file, line number information but without error codes.

void Error(CExceptionArgs_Base &args)

CRef< C > Ref(C *object)

Helper functions to get CRef<> and CConstRef<> objects.

virtual string GetString(const string &section, const string &name, const string &default_value, TFlags flags=0) const

Get the parameter string value.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

Interfaces for a local cache of versioned binary large objects (BLOBS).

const GenericPointer< typename T::ValueType > T2 value

Defines NCBI C++ diagnostic APIs, classes, and macros.

NetCache ICache client specs.

Defines CRequestContext class for NCBI C++ diagnostic API.

static CNamedPipeClient * client

static CS_CONTEXT * context

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