pool::PersistencySvc::DatabaseHandler Class Reference

#include <DatabaseHandler.h>

Collaboration diagram for pool::PersistencySvc::DatabaseHandler:

Public Member Functions
	DatabaseHandler (IStorageSvc &storageSvc, IStorageExplorer &storageExplorer, Session *session, long technology, const std::string &fid, const std::string &pfn, long accessmode)
	Constructor. Connects to the database. More...
	~DatabaseHandler ()
	Destructor. Disconnects from the database. More...
bool	commitTransaction ()
	Commits the transaction. More...
bool	commitAndHoldTransaction ()
	Commits and holds the transaction. More...
void	rollBackTransaction ()
	Rolls back the transaction. More...
bool	disconnectTransaction ()
	Disconnects the transaction. More...
std::vector< std::string >	containers ()
	Gives the list of containers. More...
IContainer *	container (const std::string &containerName)
	Returns a container handle. More...
const std::string &	pfn () const
	Returns the physical file name. More...
const std::string &	fid () const
	Returns the file identifier. More...
long	technology () const
	Returns the technology identifier. More...
long	accessMode () const
	Returns the access mode. More...
void	reconnect (long accessMode)
	Reconnects with a new access mode. More...
Token *	writeObject (const std::string &containerName, long minorTechnology, const void *object, const RootType &type)
	Writes an object and returns a token. More...
void *	readObject (const Token &token, void *object=0)
	Reads an object given a token. More...
bool	attribute (const std::string &attributeName, void *data, const std::type_info &typeInfo, const std::string &option)
	Returns an attribute. More...
bool	setAttribute (const std::string &attributeName, const void *data, const std::type_info &typeInfo, const std::string &option)
	Sets an attrtibute. More...

Private Attributes
IStorageSvc &	m_storageSvc
	IStorageSvc reference. More...
IStorageExplorer &	m_storageExplorer
	IStorageExplorer reference. More...
Session *	m_session
	Pointer to the session for this database. More...
FileDescriptor	m_fileDescriptor
	File descriptor for this database. More...
long	m_technology
	Technology identifier. More...
long	m_accessMode
	Current access mode. More...

Detailed Description

DatabaseHandler is a class taking care of the micro-connections and the micro transactions for a given database. It also gives access to the underlying containers.

Definition at line 34 of file DatabaseHandler.h.

Constructor & Destructor Documentation

DatabaseHandler()

pool::PersistencySvc::DatabaseHandler::DatabaseHandler	(	IStorageSvc &	storageSvc,
		IStorageExplorer &	storageExplorer,
		Session *	session,
		long	technology,
		const std::string &	fid,
		const std::string &	pfn,
		long	accessmode
	)

Constructor. Connects to the database.

~DatabaseHandler()

pool::PersistencySvc::DatabaseHandler::~DatabaseHandler

(

)

Destructor. Disconnects from the database.

Member Function Documentation

accessMode()

long pool::PersistencySvc::DatabaseHandler::accessMode

(

)

const

Returns the access mode.

attribute()

bool pool::PersistencySvc::DatabaseHandler::attribute	(	const std::string &	attributeName,
		void *	data,
		const std::type_info &	typeInfo,
		const std::string &	option
	)

Returns an attribute.

commitAndHoldTransaction()

bool pool::PersistencySvc::DatabaseHandler::commitAndHoldTransaction

(

)

Commits and holds the transaction.

commitTransaction()

bool pool::PersistencySvc::DatabaseHandler::commitTransaction

(

)

Commits the transaction.

container()

IContainer* pool::PersistencySvc::DatabaseHandler::container

(

const std::string &

containerName

)

Returns a container handle.

containers()

std::vector< std::string > pool::PersistencySvc::DatabaseHandler::containers

(

)

Gives the list of containers.

disconnectTransaction()

bool pool::PersistencySvc::DatabaseHandler::disconnectTransaction

(

)

Disconnects the transaction.

fid()

const std::string& pool::PersistencySvc::DatabaseHandler::fid

(

)

const

Returns the file identifier.

pfn()

const std::string& pool::PersistencySvc::DatabaseHandler::pfn

(

)

const

Returns the physical file name.

readObject()

void* pool::PersistencySvc::DatabaseHandler::readObject	(	const Token &	token,
		void *	object = 0
	)

Reads an object given a token.

reconnect()

void pool::PersistencySvc::DatabaseHandler::reconnect

(

long

accessMode

)

Reconnects with a new access mode.

rollBackTransaction()

void pool::PersistencySvc::DatabaseHandler::rollBackTransaction

(

)

Rolls back the transaction.

setAttribute()

bool pool::PersistencySvc::DatabaseHandler::setAttribute	(	const std::string &	attributeName,
		const void *	data,
		const std::type_info &	typeInfo,
		const std::string &	option
	)

Sets an attrtibute.

technology()

long pool::PersistencySvc::DatabaseHandler::technology

(

)

const

Returns the technology identifier.

writeObject()

Token* pool::PersistencySvc::DatabaseHandler::writeObject	(	const std::string &	containerName,
		long	minorTechnology,
		const void *	object,
		const RootType &	type
	)

Writes an object and returns a token.

Member Data Documentation

m_accessMode

long pool::PersistencySvc::DatabaseHandler::m_accessMode

private

Current access mode.

Definition at line 114 of file DatabaseHandler.h.

m_fileDescriptor

FileDescriptor pool::PersistencySvc::DatabaseHandler::m_fileDescriptor

private

File descriptor for this database.

Definition at line 110 of file DatabaseHandler.h.

m_session

Session* pool::PersistencySvc::DatabaseHandler::m_session

private

Pointer to the session for this database.

Definition at line 108 of file DatabaseHandler.h.

m_storageExplorer

IStorageExplorer& pool::PersistencySvc::DatabaseHandler::m_storageExplorer

private

IStorageExplorer reference.

Definition at line 106 of file DatabaseHandler.h.

m_storageSvc

IStorageSvc& pool::PersistencySvc::DatabaseHandler::m_storageSvc

private

IStorageSvc reference.

Definition at line 104 of file DatabaseHandler.h.

m_technology

long pool::PersistencySvc::DatabaseHandler::m_technology

private

Technology identifier.

Definition at line 112 of file DatabaseHandler.h.

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

• DatabaseHandler.h