novadaq::CacheManager Class Reference

#include "/cvmfs/nova-development.opensciencegrid.org/novasoft/releases/N21-03-03/NovaDAQUtilities/cxx/include/CacheManager.h"

Public Member Functions
void	registerCache (Cache *cache)
void	removeCache (Cache *cache)
void	flushCaches ()

Static Public Member Functions
static CacheManager &	getInstance ()

Private Member Functions
	CacheManager ()
	CacheManager (CacheManager const &)
void	operator= (CacheManager const &)

Private Attributes
std::vector< Cache * >	_registry
boost::mutex	_registryMutex

Detailed Description

A singleton class to manage flushing of caches.

Author

Kurt Biery

Version

Revision

1.1.34.1

Date

2019/09/27 00:07:20

Definition at line 17 of file CacheManager.h.

Constructor & Destructor Documentation

novadaq::CacheManager::CacheManager ( )

inlineexplicitprivate

Default constructor.

Definition at line 34 of file CacheManager.h.

References operator=().

{};

novadaq::CacheManager::CacheManager ( CacheManager const &  )

private

Member Function Documentation

void novadaq::CacheManager::flushCaches

(

)

Flushes the caches that have been registered.

Definition at line 41 of file CacheManager.cpp.

References _registry, _registryMutex, and compare_h5_caf::idx.

Referenced by CacheTests::testEnvVarCacheBasic().

                               {
    boost::mutex::scoped_lock lock(_registryMutex);
    for (uint32_t idx = 0; idx < _registry.size(); ++idx) {
        _registry[idx]->flush();
    }
}

CacheManager & novadaq::CacheManager::getInstance ( )

static

Returns the single instance of the CacheManager.

Returns

CacheManager instance.

Definition at line 10 of file CacheManager.cpp.

Referenced by novadaq::EnvVarCache::EnvVarCache(), and CacheTests::testEnvVarCacheBasic().

                                        {
    static CacheManager singletonInstance;
    return singletonInstance;
}

void novadaq::CacheManager::operator= ( CacheManager const &  )

private

Referenced by CacheManager().

void novadaq::CacheManager::registerCache

(

Cache *

cache

)

Registers the specified cache with the CacheManager. Registered caches will be flushed when the CacheManager receives a flush request.

Parameters

cache

a pointer to the cache that should be registered.

Definition at line 22 of file CacheManager.cpp.

References _registry, and _registryMutex.

Referenced by novadaq::EnvVarCache::EnvVarCache().

                                             {
    boost::mutex::scoped_lock lock(_registryMutex);
    _registry.push_back(cache);
}

void novadaq::CacheManager::removeCache

(

Cache *

cache

)

Removes the specified cache from the CacheManager.

Parameters

cache

a pointer to the cache that should be removed.

Definition at line 32 of file CacheManager.cpp.

References _registry, and _registryMutex.

                                           {
    boost::mutex::scoped_lock lock(_registryMutex);
    _registry.erase(remove(_registry.begin(), _registry.end(), cache),
                    _registry.end());
}

Member Data Documentation

std::vector<Cache*> novadaq::CacheManager::_registry

private

The list of registered caches.

Definition at line 43 of file CacheManager.h.

Referenced by flushCaches(), registerCache(), and removeCache().

boost::mutex novadaq::CacheManager::_registryMutex

private

A mutex to protect against concurrent use of the registry.

Definition at line 48 of file CacheManager.h.

Referenced by flushCaches(), registerCache(), and removeCache().

---

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

• /cvmfs/nova-development.opensciencegrid.org/novasoft/releases/N21-03-03/NovaDAQUtilities/cxx/include/CacheManager.h
• /cvmfs/nova-development.opensciencegrid.org/novasoft/releases/N21-03-03/NovaDAQUtilities/cxx/src/CacheManager.cpp