PersistencySvc class implementation definition. More...

#include <src/PersistencySvc/PersistencySvc.h>

Inheritance diagram for PersistencySvc:

[legend]

Collaboration diagram for PersistencySvc:

[legend]

Classes
class	ServiceEntry

Public Member Functions
IPersistencySvc Interface implementation
long	repSvcType () const override
	Return default service type. More...

const CLID &	objType () const override
	Retrieve the class type of objects the converter produces. (DUMMY) More...

StatusCode	createObj (IOpaqueAddress pAddress, DataObject &refpObject) override
	Implementation of IConverter: Create the transient representation of an object. More...

StatusCode	fillObjRefs (IOpaqueAddress pAddress, DataObject pObject) override
	Implementation of IConverter: Resolve the references of the created transient object. More...

StatusCode	updateObj (IOpaqueAddress pAddress, DataObject refpObject) override
	Implementation of IConverter: Update the transient object from the other representation. More...

StatusCode	updateObjRefs (IOpaqueAddress pAddress, DataObject pObject) override
	Implementation of IConverter: Update the references of an updated transient object. More...

StatusCode	createRep (DataObject pObject, IOpaqueAddress &refpAddress) override
	Implementation of IConverter: Convert the transient object to the requested representation. More...

StatusCode	fillRepRefs (IOpaqueAddress pAddress, DataObject pObject) override
	Implementation of IConverter: Resolve the references of the converted object. More...

StatusCode	updateRep (IOpaqueAddress pAddress, DataObject pObject) override
	Implementation of IConverter: Update the converted representation of a transient object. More...

StatusCode	updateRepRefs (IOpaqueAddress pAddress, DataObject pObject) override
	Implementation of IConverter: Update the references of an already converted object. More...

StatusCode	setDataProvider (IDataProviderSvc *pStore) override
	Define transient datastore. More...

SmartIF< IDataProviderSvc > &	dataProvider () const override
	Access reference to transient datastore. More...

StatusCode	setConversionSvc (IConversionSvc *svc) override
	Set conversion service the converter is connected to. More...

SmartIF< IConversionSvc > &	conversionSvc () const override
	Get conversion service the converter is connected to. More...

StatusCode	setAddressCreator (IAddressCreator *creator) override
	Set address creator facility. More...

SmartIF< IAddressCreator > &	addressCreator () const override
	Retrieve address creator facility. More...

StatusCode	addConverter (IConverter *pConverter) override
	Add converter object to conversion service. More...

StatusCode	addConverter (const CLID &clid) override
	Add converter object to conversion service. More...

IConverter *	converter (const CLID &clid) override
	Retrieve converter from list. More...

StatusCode	removeConverter (const CLID &clid) override
	Remove converter object from conversion service (if present). More...

StatusCode	connectOutput (const std::string &outputFile, const std::string &openMode) override
	Connect the output file to the service with open mode. More...

StatusCode	connectOutput (const std::string &outputFile) override
	Connect the output file to the service. More...

StatusCode	commitOutput (const std::string &output, bool do_commit) override
	Commit pending output. More...

StatusCode	createAddress (long svc_type, const CLID &clid, const std::string pars, const unsigned long ipars, IOpaqueAddress *&refpAddress) override
	Create a Generic address using explicit arguments to identify a single object. More...

StatusCode	convertAddress (const IOpaqueAddress *pAddress, std::string &refAddress) override
	Convert an address to string form. More...

StatusCode	createAddress (long svc_type, const CLID &clid, const std::string &refAddress, IOpaqueAddress *&refpAddress) override
	Convert an address in string form to object form. More...

: IPersistencySvc implementation
StatusCode	addCnvService (IConversionSvc *service) override
	Add a new Service. More...

StatusCode	removeCnvService (long type) override
	Remove a Service. More...

StatusCode	setDefaultCnvService (long type) override
	Set default service type. More...

StatusCode	getService (long service_type, IConversionSvc *&refpSvc) override
	Retrieve conversion service identified by technology. More...

StatusCode	getService (const std::string &service_type, IConversionSvc *&refpSvc) override
	Retrieve conversion service identified by technology. More...

: IService implementation
StatusCode	initialize () override
	Initialize the service. More...

StatusCode	finalize () override
	stop the service. More...

Public Member Functions inherited from extends< Service, IConversionSvc, IPersistencySvc, IAddressCreator >
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...

StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...

std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...

Public Member Functions inherited from Service
const std::string &	name () const override
	Retrieve name of the service. More...

StatusCode	configure () override

StatusCode	initialize () override

StatusCode	start () override

StatusCode	stop () override

StatusCode	finalize () override

StatusCode	terminate () override

Gaudi::StateMachine::State	FSMState () const override

Gaudi::StateMachine::State	targetFSMState () const override

StatusCode	reinitialize () override

StatusCode	restart () override

StatusCode	sysInitialize () override
	Initialize Service. More...

StatusCode	sysStart () override
	Initialize Service. More...

StatusCode	sysStop () override
	Initialize Service. More...

StatusCode	sysFinalize () override
	Finalize Service. More...

StatusCode	sysReinitialize () override
	Re-initialize the Service. More...

StatusCode	sysRestart () override
	Re-initialize the Service. More...

	Service (std::string name, ISvcLocator *svcloc)
	Standard Constructor. More...

SmartIF< ISvcLocator > &	serviceLocator () const override
	Retrieve pointer to service locator. More...

StatusCode	setProperties ()
	Method for setting declared properties to the values specified for the job. More...

template<class T >
StatusCode	service (const std::string &name, const T *&psvc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist. More...

template<class T >
StatusCode	service (const std::string &name, T *&psvc, bool createIf=true) const

template<typename IFace = IService>
SmartIF< IFace >	service (const std::string &name, bool createIf=true) const

template<class T >
StatusCode	service (const std::string &svcType, const std::string &svcName, T *&psvc) const
	Access a service by name and type, creating it if it doesn't already exist. More...

template<class T >
StatusCode	declareTool (ToolHandle< T > &handle, std::string toolTypeAndName, bool createIf=true)
	Declare used tool. More...

SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...

Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
	PropertyHolder ()=default

Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Details::PropertyBase &prop)
	Declare a property. More...

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, TYPE &value, const std::string &doc="none")
	Helper to wrap a regular data member and use it as a regular property. More...

Gaudi::Details::PropertyBase *	declareProperty (const std::string &name, Gaudi::Property< TYPE, VERIFIER, HANDLERS > &prop, const std::string &doc="none")
	Declare a PropertyBase instance setting name and documentation. More...

Gaudi::Details::PropertyBase *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
	Declare a remote property. More...

StatusCode	setProperty (const Gaudi::Details::PropertyBase &p) override
	set the property form another property More...

StatusCode	setProperty (const std::string &s) override
	set the property from the formatted string More...

StatusCode	setProperty (const std::string &n, const std::string &v) override
	set the property from name and the value More...

StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...

StatusCode	getProperty (Gaudi::Details::PropertyBase *p) const override
	get the property More...

const Gaudi::Details::PropertyBase &	getProperty (const std::string &name) const override
	get the property by name More...

StatusCode	getProperty (const std::string &n, std::string &v) const override
	convert the property to the string More...

const std::vector< Gaudi::Details::PropertyBase * > &	getProperties () const override
	get all properties More...

bool	hasProperty (const std::string &name) const override
	Return true if we have a property with the given name. More...

	PropertyHolder (const PropertyHolder &)=delete

PropertyHolder &	operator= (const PropertyHolder &)=delete

Public Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	msgLevel () const
	get the cached level (originally extracted from the embedded MsgStream) More...

bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

MSG::Level	outputLevel () const
	Backward compatibility function for getting the output level. More...

Public Member Functions inherited from CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor. More...

const SmartIF< IMessageSvc > &	msgSvc () const
	The standard message service. More...

MsgStream &	msgStream () const
	Return an uninitialized MsgStream. More...

MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts. More...

MsgStream &	always () const
	shortcut for the method msgStream(MSG::ALWAYS) More...

MsgStream &	fatal () const
	shortcut for the method msgStream(MSG::FATAL) More...

MsgStream &	err () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	error () const
	shortcut for the method msgStream(MSG::ERROR) More...

MsgStream &	warning () const
	shortcut for the method msgStream(MSG::WARNING) More...

MsgStream &	info () const
	shortcut for the method msgStream(MSG::INFO) More...

MsgStream &	debug () const
	shortcut for the method msgStream(MSG::DEBUG) More...

MsgStream &	verbose () const
	shortcut for the method msgStream(MSG::VERBOSE) More...

MsgStream &	msg () const
	shortcut for the method msgStream(MSG::INFO) More...

Protected Types
typedef std::map< long, ServiceEntry >	Services

Protected Member Functions
: Object implementation
SmartIF< IConversionSvc > &	service (const std::string &nam)
	Retrieve conversion service by name. More...

SmartIF< IConversionSvc > &	service (long service_type)
	Retrieve conversion service from list. More...

SmartIF< IAddressCreator > &	addressCreator (long service_type)
	Retrieve address creator from list. More...

void	encodeAddrHdr (long service_type, const CLID &clid, std::string &address) const
	Retrieve string from storage type and clid. More...

void	decodeAddrHdr (const std::string &address, long &service_type, CLID &clid, std::string &address_trailer) const
	Retrieve storage type and clid from address header of string. More...

StatusCode	makeCall (int typ, IOpaqueAddress &pAddress, DataObject &pObject)
	Implementation helper. More...

bool	enable (bool value)
	Set enabled flag. More...

Protected Member Functions inherited from Service
	~Service () override
	Standard Destructor. More...

int	outputLevel () const
	get the `Service's` output level More...

Protected Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
Gaudi::Details::PropertyBase *	property (const std::string &name) const

Protected Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level	setUpMessaging () const
	Set up local caches. More...

MSG::Level	resetMessaging ()
	Reinitialize internal states. More...

void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...

Protected Attributes
long	m_cnvDefType = TEST_StorageType
	Default service type. More...

SmartIF< IDataProviderSvc >	m_dataSvc
	Pointer to datma provider service. More...

Services	m_cnvServices
	List of convermsion workers. More...

SmartIF< IConversionSvc >	m_cnvDefault
	Default output service. More...

Gaudi::Property< std::vector< std::string > >	m_svcNames

bool	m_enable = true
	Flag to indicate that the service is enabled. More...

SmartIF< IAddressCreator >	m_addrCreator
	Pointer to the IAddressCreator interface of this, for addressCreator(). More...

Protected Attributes inherited from Service
Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state. More...

Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state. More...

Gaudi::Property< int >	m_outputLevel {this, "OutputLevel", MSG::NIL, "output level"}

Gaudi::Property< bool >	m_auditInit {this, "AuditServices", false, "[[deprecated]] unused"}

Gaudi::Property< bool >	m_auditorInitialize {this, "AuditInitialize", false, "trigger auditor on initialize()"}

Gaudi::Property< bool >	m_auditorStart {this, "AuditStart", false, "trigger auditor on start()"}

Gaudi::Property< bool >	m_auditorStop {this, "AuditStop", false, "trigger auditor on stop()"}

Gaudi::Property< bool >	m_auditorFinalize {this, "AuditFinalize", false, "trigger auditor on finalize()"}

Gaudi::Property< bool >	m_auditorReinitialize {this, "AuditReinitialize", false, "trigger auditor on reinitialize()"}

Gaudi::Property< bool >	m_auditorRestart {this, "AuditRestart", false, "trigger auditor on restart()"}

SmartIF< IAuditorSvc >	m_pAuditorSvc
	Auditor Service. More...

Additional Inherited Members
Public Types inherited from extends< Service, IConversionSvc, IPersistencySvc, IAddressCreator >
using	base_class = extends
	Typedef to this class. More...

using	extend_interfaces_base = extend_interfaces< Interfaces... >
	Typedef to the base of this class. More...

Public Types inherited from Service
using	Factory = Gaudi::PluginService::Factory< IService (const std::string &, ISvcLocator )>

Public Types inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
using	PropertyHolderImpl = PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
	Typedef used to refer to this class from derived classes, as in. More...

Public Types inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
using	base_class = CommonMessaging

Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids... >::type
	take union of the ext_iids of all Interfaces... More...

Detailed Description

PersistencySvc class implementation definition.

System: The LHCb Offline System

Package: PersistencySvc

Dependencies:

STL: <vector>, <algorithm>, <functional>
Generic service definition: "Kernel/Service.h"
IConversionSvc definition: "Kernel/IConversionSvc.h"
PersistencySvc definition: "Kernel/Interfaces/IPersistencySvc.h"

History:

 +---------+----------------------------------------------+---------+
 |    Date |                 Comment                      | Who     |
 +---------+----------------------------------------------+---------+
 | 3/11/98 | Initial version                              | M.Frank |
 +---------+----------------------------------------------+---------+

Author: Markus Frank

Version: 1.0

Definition at line 50 of file PersistencySvc.h.

Member Typedef Documentation

typedef std::map<long, ServiceEntry> PersistencySvc::Services

protected

Definition at line 77 of file PersistencySvc.h.

Member Function Documentation

StatusCode PersistencySvc::addCnvService ( IConversionSvc * service )

override

Add a new Service.

Add data service.

Definition at line 235 of file PersistencySvc.cpp.

                                                                 {
   if ( !servc ) return Status::BAD_STORAGE_TYPE;
   long type    = servc->repSvcType();
   long def_typ = ( m_cnvDefault ? m_cnvDefault->repSvcType() : 0 );
   auto it      = m_cnvServices.find( type );
   auto cnv_svc = ( it != m_cnvServices.end() ? it->second.conversionSvc() : nullptr );
   if ( type == def_typ ) m_cnvDefault = servc;
   if ( cnv_svc == servc ) return StatusCode::SUCCESS;
 
   auto iservc = make_SmartIF( servc );
   auto icr    = iservc.as<IAddressCreator>();
   if ( icr ) {
     auto isvc = iservc.as<IService>();
     if ( isvc ) {
       if ( cnv_svc ) removeCnvService( type ).ignore();
       auto p = m_cnvServices.emplace( type, ServiceEntry( type, isvc, iservc, icr ) );
       if ( !p.second ) {
         info() << "Cannot add Conversion service of type " << isvc->name() << endmsg;
         return StatusCode::FAILURE;
       }
       info() << "Added successfully Conversion service:" << isvc->name() << endmsg;
       iservc->setAddressCreator( this ).ignore();
       iservc->setDataProvider( m_dataSvc ).ignore();
       return StatusCode::SUCCESS;
     }
   }
   info() << "Cannot add Conversion service of type " << type << endmsg;
   return StatusCode::FAILURE;
 }

StatusCode PersistencySvc::addConverter ( IConverter * pConverter )

override

Add converter object to conversion service.

Definition at line 183 of file PersistencySvc.cpp.

                                                                 {
   if ( !pConverter ) return Status::NO_CONVERTER;
   IConversionSvc* svc = service( pConverter->repSvcType() );
   return svc ? svc->addConverter( pConverter ) : Status::BAD_STORAGE_TYPE;
 }

StatusCode PersistencySvc::addConverter ( const CLID & clid )

override

Add converter object to conversion service.

Definition at line 180 of file PersistencySvc.cpp.

180 { return StatusCode::FAILURE; }

StatusCode::FAILURE

constexpr static const auto FAILURE

Definition: StatusCode.h:86

SmartIF< IAddressCreator > & PersistencySvc::addressCreator ( ) const

override

Retrieve address creator facility.

Definition at line 404 of file PersistencySvc.cpp.

404 { return m_addrCreator; }

PersistencySvc::m_addrCreator

SmartIF< IAddressCreator > m_addrCreator

Pointer to the IAddressCreator interface of this, for addressCreator().

Definition: PersistencySvc.h:250

SmartIF< IAddressCreator > & PersistencySvc::addressCreator ( long service_type )

protected

Retrieve address creator from list.

Retrieve address creator service from list.

Definition at line 145 of file PersistencySvc.cpp.

                                                                     {
   long typ = type;
   auto it  = m_cnvServices.find( typ );
   if ( it == m_cnvServices.end() ) {
     IConversionSvc* s = service( type );
     if ( s ) {
       it = m_cnvServices.find( typ );
       if ( it != m_cnvServices.end() ) return it->second.addrCreator();
     }
     static SmartIF<IAddressCreator> no_creator;
     return no_creator;
   }
   return it->second.addrCreator();
 }

StatusCode PersistencySvc::commitOutput	(	const std::string &	output,
		bool	do_commit
	)

override

Commit pending output.

Definition at line 293 of file PersistencySvc.cpp.

293 { return StatusCode::SUCCESS; }

StatusCode::SUCCESS

constexpr static const auto SUCCESS

Definition: StatusCode.h:85

StatusCode PersistencySvc::connectOutput	(	const std::string &	outputFile,
		const std::string &	openMode
	)

override

Connect the output file to the service with open mode.

Definition at line 285 of file PersistencySvc.cpp.

                                                                                           {
   return connectOutput( outputFile );
 }

StatusCode PersistencySvc::connectOutput ( const std::string & outputFile )

override

Connect the output file to the service.

Definition at line 290 of file PersistencySvc.cpp.

290 { return StatusCode::SUCCESS; }

StatusCode::SUCCESS

constexpr static const auto SUCCESS

Definition: StatusCode.h:85

SmartIF< IConversionSvc > & PersistencySvc::conversionSvc ( ) const

override

Get conversion service the converter is connected to.

Definition at line 177 of file PersistencySvc.cpp.

177 { return m_cnvDefault; }

PersistencySvc::m_cnvDefault

SmartIF< IConversionSvc > m_cnvDefault

Default output service.

Definition: PersistencySvc.h:235

StatusCode PersistencySvc::convertAddress	(	const IOpaqueAddress *	pAddress,
		std::string &	refAddress
	)

override

Convert an address to string form.

Definition at line 304 of file PersistencySvc.cpp.

                                                                                                  {
   // Assumuption is that the Persistency service prepends a header
   // and requests the conversion service refered to by the service
   // type to encode the rest
   long svc_type = 0;
   CLID clid     = 0;
   if ( pAddress ) {
     svc_type = pAddress->svcType();
     clid     = pAddress->clID();
   }
   IAddressCreator* svc    = addressCreator( svc_type );
   StatusCode       status = Status::BAD_STORAGE_TYPE; // Preset error
   refAddress.clear();
 
   if ( svc ) {
     // Found service, set header
     encodeAddrHdr( svc_type, clid, refAddress );
     std::string address;
     // Get rest of address from conversion service
     status = svc->convertAddress( pAddress, address );
     refAddress += address;
   }
   return status;
 }

IConverter * PersistencySvc::converter ( const CLID & clid )

override

Retrieve converter from list.

Definition at line 201 of file PersistencySvc.cpp.

201 { return nullptr; }

StatusCode PersistencySvc::createAddress	(	long	svc_type,
		const CLID &	clid,
		const std::string *	pars,
		const unsigned long *	ipars,
		IOpaqueAddress *&	refpAddress
	)

override

Create a Generic address using explicit arguments to identify a single object.

Definition at line 296 of file PersistencySvc.cpp.

                                                                                                      {
   refpAddress          = nullptr;
   IAddressCreator* svc = addressCreator( svc_type );
   return svc ? svc->createAddress( svc_type, clid, pars, ipars, refpAddress ) : Status::BAD_STORAGE_TYPE;
 }

StatusCode PersistencySvc::createAddress	(	long	svc_type,
		const CLID &	clid,
		const std::string &	refAddress,
		IOpaqueAddress *&	refpAddress
	)

override

Convert an address in string form to object form.

Definition at line 330 of file PersistencySvc.cpp.

                                                                          {
   // Assumption is that the Persistency service decodes that header
   // and requests the conversion service referred to by the service
   // type to decode the rest
   long        new_svc_type = 0;
   CLID        new_clid     = 0;
   std::string address_trailer;
   decodeAddrHdr( refAddress, new_svc_type, new_clid, address_trailer );
   IAddressCreator* svc = addressCreator( new_svc_type );
   return svc ? svc->createAddress( new_svc_type, new_clid, address_trailer, refpAddress ) : Status::BAD_STORAGE_TYPE;
 }

StatusCode PersistencySvc::createObj	(	IOpaqueAddress *	pAddress,
		DataObject *&	refpObject
	)

override

Implementation of IConverter: Create the transient representation of an object.

Create the transient representation of an object.

Definition at line 105 of file PersistencySvc.cpp.

                                                                                   {
   return makeCall( CREATE_OBJ, pAddr, refpObj );
 }

StatusCode PersistencySvc::createRep	(	DataObject *	pObject,
		IOpaqueAddress *&	refpAddress
	)

override

Implementation of IConverter: Convert the transient object to the requested representation.

Convert the transient object to the requested representation.

Definition at line 125 of file PersistencySvc.cpp.

                                                                                   {
   return makeCall( CREATE_REP, refpAddr, pObj );
 }

SmartIF< IDataProviderSvc > & PersistencySvc::dataProvider ( ) const

override

Access reference to transient datastore.

Access the dataprovider service.

Definition at line 168 of file PersistencySvc.cpp.

168 { return m_dataSvc; }

PersistencySvc::m_dataSvc

SmartIF< IDataProviderSvc > m_dataSvc

Pointer to datma provider service.

Definition: PersistencySvc.h:231

void PersistencySvc::decodeAddrHdr	(	const std::string &	address,
		long &	service_type,
		CLID &	clid,
		std::string &	address_trailer
	)		const

protected

Retrieve storage type and clid from address header of string.

Definition at line 354 of file PersistencySvc.cpp.

                                                                        {
   // For address header, use xml-style format of
   // <address_header service_type="xxx" clid="yyy" />
   service_type = 0;
   clid         = 0;
   address_trailer.clear();
 
   // Check for address_header tag
   size_t pos = address.find( "<address_header" );
   if ( std::string::npos != pos ) {
     // Get service_type
     pos = address.find( "service_type=\"" );
     if ( std::string::npos != pos ) {
       pos += 14;
       size_t end = address.find( '"', pos );
       if ( std::string::npos != end ) {
         service_type = std::stol( address.substr( pos, end - pos ) );
         // Get clid
         pos = address.find( "clid=\"" );
         if ( std::string::npos != pos ) {
           pos += 6;
           end = address.find( '\"', pos );
           if ( std::string::npos != end ) {
             std::istringstream str;
             str.str( address.substr( pos, end - pos ) );
             str >> clid;
             // Get trailer_address
             pos = address.find( '>' );
             if ( pos < ( address.size() - 2 ) ) { // this means that '>' was found (pos != npos)
                                                   // it is before the last char
               address_trailer = address.substr( pos + 1 );
             }
           }
         }
       }
     }
   }
 }

bool PersistencySvc::enable ( bool value )

protected

Set enabled flag.

Definition at line 507 of file PersistencySvc.cpp.

                                         {
   std::swap( value, m_enable );
   return value;
 }

void PersistencySvc::encodeAddrHdr	(	long	service_type,
		const CLID &	clid,
		std::string &	address
	)		const

protected

Retrieve string from storage type and clid.

Definition at line 344 of file PersistencySvc.cpp.

                                                                                                   {
   // For address header, use xml-style format of
   // <addrhdr service_type="xxx" clid="yyy" />
   std::stringstream stream;
   int               svctyp = service_type; // must put int into stream, not char
   stream << "<address_header service_type=\"" << svctyp << "\" clid=\"" << clid << "\" /> ";
   address = stream.str();
 }

StatusCode PersistencySvc::fillObjRefs	(	IOpaqueAddress *	pAddress,
		DataObject *	pObject
	)

override

Implementation of IConverter: Resolve the references of the created transient object.

Resolve the references of the created transient object.

Definition at line 110 of file PersistencySvc.cpp.

                                                                                 {
   return makeCall( FILL_OBJ_REFS, pAddr, pObj );
 }

StatusCode PersistencySvc::fillRepRefs	(	IOpaqueAddress *	pAddress,
		DataObject *	pObject
	)

override

Implementation of IConverter: Resolve the references of the converted object.

Resolve the references of the converted object.

Definition at line 130 of file PersistencySvc.cpp.

                                                                                 {
   return makeCall( FILL_REP_REFS, pAddr, pObj );
 }

StatusCode PersistencySvc::finalize ( )

override

stop the service.

Definition at line 498 of file PersistencySvc.cpp.

                                     {
   // Release all workers
   m_cnvServices.clear();
   // Release references to this to avoid loops
   m_addrCreator = nullptr;
   return StatusCode::SUCCESS;
 }

StatusCode PersistencySvc::getService	(	long	service_type,
		IConversionSvc *&	refpSvc
	)

override

Retrieve conversion service identified by technology.

Definition at line 407 of file PersistencySvc.cpp.

                                                                                    {
   refpSvc = service( service_type );
   return refpSvc ? StatusCode::SUCCESS : StatusCode::FAILURE;
 }

StatusCode PersistencySvc::getService	(	const std::string &	service_type,
		IConversionSvc *&	refpSvc
	)

override

Retrieve conversion service identified by technology.

Definition at line 413 of file PersistencySvc.cpp.

                                                                                                {
   const char* imp = service_type.c_str();
   long        len = service_type.length();
   if ( ::strncasecmp( imp, "SICB", len ) == 0 )
     return getService( SICB_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "ZEBRA", len ) == 0 )
     return getService( SICB_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "MS Access", len ) == 0 )
     return getService( ACCESS_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "Microsoft Access", strlen( "Microsoft Access" ) ) == 0 )
     return getService( ACCESS_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "SQL Server", len ) == 0 )
     return getService( SQLSERVER_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "Microsoft ODBC for Oracle", len ) == 0 )
     return getService( ORACLE_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "Oracle ODBC", strlen( "Oracle ODBC" ) ) == 0 )
     return getService( ORACLE_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "Oracle OCI", strlen( "Oracle OCI" ) ) == 0 )
     return getService( ORACLE_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "MySQL", len ) == 0 )
     return getService( MYSQL_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "ROOT", len ) == 0 )
     return getService( ROOT_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "OBJY", len ) == 0 )
     return getService( OBJY_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "OBJYECTI", 7 ) == 0 )
     return getService( OBJY_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "POOL_ROOTKEY", 12 ) == 0 )
     return getService( POOL_ROOTKEY_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "POOL_ROOTTREE", 12 ) == 0 )
     return getService( POOL_ROOTTREE_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "POOL_ROOT", 9 ) == 0 )
     return getService( POOL_ROOT_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "POOL_MySQL", 8 ) == 0 )
     return getService( POOL_MYSQL_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "POOL_ORACLE", 8 ) == 0 )
     return getService( POOL_ORACLE_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "POOL_ACCESS", 8 ) == 0 )
     return getService( POOL_ACCESS_StorageType, refpSvc );
   else if ( ::strncasecmp( imp, "POOL", 4 ) == 0 )
     return getService( POOL_StorageType, refpSvc );
 
   for ( const auto& i : m_cnvServices ) {
     SmartIF<IService> svc( i.second.conversionSvc() );
     if ( svc ) {
       // Check wether this is already an active service: first check by service name
       if ( svc->name() == service_type ) {
         refpSvc = i.second.conversionSvc();
         return StatusCode::SUCCESS;
       }
       // Check wether this is already an active service: now check by service type
       auto instance = svc.get();
       if ( System::typeinfoName( typeid( *instance ) ) == service_type ) {
         refpSvc = i.second.conversionSvc();
         return StatusCode::SUCCESS;
       }
     }
   }
   // if not, check if the service is in the list and may be requested
   for ( const auto& i : m_svcNames.value() ) {
     Gaudi::Utils::TypeNameString itm( i );
     if ( itm.name() == service_type || itm.type() == service_type ) {
       IConversionSvc* svc = service( i );
       if ( svc ) {
         refpSvc = svc;
         return StatusCode::SUCCESS;
       }
     }
   }
   return StatusCode::FAILURE;
 }

StatusCode PersistencySvc::initialize ( )

override

Initialize the service.

Definition at line 489 of file PersistencySvc.cpp.

                                       {
   m_addrCreator = this; // initialize internal pointer to IAddressCreator interface
   // Initialize basic service
   StatusCode status = Service::initialize();
   if ( UNLIKELY( !status.isSuccess() ) ) { error() << "Error initializing Service base class." << endmsg; }
   return status;
 }

StatusCode PersistencySvc::makeCall	(	int	typ,
		IOpaqueAddress *&	pAddress,
		DataObject *&	pObject
	)

protected

Implementation helper.

Definition at line 50 of file PersistencySvc.cpp.

                                                                                               {
   if ( m_enable ) {
     IConversionSvc* svc = nullptr;
     switch ( typ ) {
     case CREATE_REP:
     case FILL_REP_REFS:
     case UPDATE_REP:
     case UPDATE_REP_REFS:
       svc = m_cnvDefault;
       break;
     default:
       if ( !pAddress ) return Status::INVALID_ADDRESS;
       svc = service( pAddress->svcType() );
       if ( !svc ) return Status::BAD_STORAGE_TYPE;
       break;
     }
 
     StatusCode status( StatusCode::FAILURE, true );
     switch ( typ ) {
     case CREATE_OBJ:
       pObject = nullptr;
       status  = svc->createObj( pAddress, pObject );
       break;
     case FILL_OBJ_REFS:
       status = svc->fillObjRefs( pAddress, pObject );
       break;
     case UPDATE_OBJ:
       status = svc->updateObj( pAddress, pObject );
       break;
     case UPDATE_OBJ_REFS:
       status = svc->updateObjRefs( pAddress, pObject );
       break;
     case CREATE_REP:
       status = svc->createRep( pObject, pAddress );
       break;
     case FILL_REP_REFS:
       status = svc->fillRepRefs( pAddress, pObject );
       break;
     case UPDATE_REP:
       status = svc->updateRep( pAddress, pObject );
       break;
     case UPDATE_REP_REFS:
       status = svc->updateRepRefs( pAddress, pObject );
       break;
     default:
       status = StatusCode::FAILURE;
       break;
     }
     status.ignore();
     return status;
   }
   return StatusCode::SUCCESS;
 }

const CLID & PersistencySvc::objType ( ) const

override

Retrieve the class type of objects the converter produces. (DUMMY)

Retrieve the class type of objects the converter produces.

Definition at line 486 of file PersistencySvc.cpp.

486 { return CLID_NULL; }

StatusCode PersistencySvc::removeCnvService ( long type )

override

Remove a Service.

Remove conversion service.

Definition at line 266 of file PersistencySvc.cpp.

                                                           {
   auto it = m_cnvServices.find( svctype );
   if ( it == m_cnvServices.end() ) return Status::BAD_STORAGE_TYPE;
   it->second.service()->release();
   it->second.addrCreator()->release();
   m_cnvServices.erase( it );
   return StatusCode::SUCCESS;
 }

StatusCode PersistencySvc::removeConverter ( const CLID & clid )

override

Remove converter object from conversion service (if present).

Definition at line 190 of file PersistencySvc.cpp.

                                                              {
   // Remove converter type from all services
   StatusCode status = Status::NO_CONVERTER, iret = StatusCode::SUCCESS;
   for ( auto& i : m_cnvServices ) {
     iret = i.second.conversionSvc()->removeConverter( clid );
     if ( iret.isSuccess() ) status = iret;
   }
   return status;
 }

long PersistencySvc::repSvcType ( ) const

override

Return default service type.

Retrieve the class type of the data store the converter uses.

Definition at line 276 of file PersistencySvc.cpp.

276 { return m_cnvDefault ? m_cnvDefault->repSvcType() : 0; }

PersistencySvc::m_cnvDefault

SmartIF< IConversionSvc > m_cnvDefault

Default output service.

Definition: PersistencySvc.h:235

IConverter::repSvcType

virtual long repSvcType() const =0

Retrieve the class type of the data store the converter uses.

SmartIF< IConversionSvc > & PersistencySvc::service ( const std::string & nam )

protected

Retrieve conversion service by name.

Definition at line 204 of file PersistencySvc.cpp.

                                                                        {
   Gaudi::Utils::TypeNameString tn( nam );
   auto                         it = std::find_if( m_cnvServices.begin(), m_cnvServices.end(),
                           [&]( Services::const_reference i ) { return i.second.service()->name() == tn.name(); } );
   if ( it != m_cnvServices.end() ) return it->second.conversionSvc();
 
   auto svc = Service::service<IConversionSvc>( nam, true );
   if ( svc && addCnvService( svc.get() ).isSuccess() ) {
     return service( nam ); // now it is in the list
   }
 
   info() << "Cannot access Conversion service:" << nam << endmsg;
   static SmartIF<IConversionSvc> no_svc;
   return no_svc;
 }

SmartIF< IConversionSvc > & PersistencySvc::service ( long service_type )

protected

Retrieve conversion service from list.

Definition at line 221 of file PersistencySvc.cpp.

                                                             {
   // Check wether this is already an active service
   auto it = m_cnvServices.find( type );
   if ( it != m_cnvServices.end() ) return it->second.conversionSvc();
   // if not, check if the service is in the list and may be requested
   for ( const auto& i : m_svcNames.value() ) {
     auto& svc = service( i );
     if ( svc && svc->repSvcType() == type ) return svc;
   }
   static SmartIF<IConversionSvc> no_svc;
   return no_svc;
 }

StatusCode PersistencySvc::setAddressCreator ( IAddressCreator * creator )

override

Set address creator facility.

Definition at line 395 of file PersistencySvc.cpp.

                                                                {
   // The persistency service is a address creation dispatcher istelf.
   // The persistency service can NEVER create addresses itself.
   // The entry point must only be provided in order to fulfill the needs of the
   // implementing interfaces.
   return StatusCode::FAILURE;
 }

StatusCode PersistencySvc::setConversionSvc ( IConversionSvc * svc )

override

Set conversion service the converter is connected to.

Definition at line 171 of file PersistencySvc.cpp.

                                                                  {
   m_cnvDefault = svc;
   return StatusCode( StatusCode::SUCCESS, true );
 }

StatusCode PersistencySvc::setDataProvider ( IDataProviderSvc * pStore )

override

Define transient datastore.

Define transient data store.

Definition at line 161 of file PersistencySvc.cpp.

                                                                        {
   m_dataSvc = pDataSvc;
   for ( auto& i : m_cnvServices ) { i.second.conversionSvc()->setDataProvider( m_dataSvc ).ignore(); }
   return StatusCode( StatusCode::SUCCESS, true );
 }

StatusCode PersistencySvc::setDefaultCnvService ( long type )

override

Set default service type.

Set default conversion service.

Definition at line 279 of file PersistencySvc.cpp.

                                                            {
   m_cnvDefault = service( type );
   return StatusCode::SUCCESS;
 }

StatusCode PersistencySvc::updateObj	(	IOpaqueAddress *	pAddress,
		DataObject *	refpObject
	)

override

Implementation of IConverter: Update the transient object from the other representation.

Update the transient object from the other representation.

Definition at line 115 of file PersistencySvc.cpp.

                                                                               {
   return makeCall( UPDATE_OBJ, pAddr, pObj );
 }

StatusCode PersistencySvc::updateObjRefs	(	IOpaqueAddress *	pAddress,
		DataObject *	pObject
	)

override

Implementation of IConverter: Update the references of an updated transient object.

Update the references of an updated transient object.

Definition at line 120 of file PersistencySvc.cpp.

                                                                                   {
   return makeCall( UPDATE_OBJ_REFS, pAddr, pObj );
 }

StatusCode PersistencySvc::updateRep	(	IOpaqueAddress *	pAddress,
		DataObject *	pObject
	)

override

Implementation of IConverter: Update the converted representation of a transient object.

Update the converted representation of a transient object.

Definition at line 135 of file PersistencySvc.cpp.

                                                                               {
   return makeCall( UPDATE_REP, pAddr, pObj );
 }

StatusCode PersistencySvc::updateRepRefs	(	IOpaqueAddress *	pAddress,
		DataObject *	pObject
	)

override

Implementation of IConverter: Update the references of an already converted object.

Update the references of an already converted object.

Definition at line 140 of file PersistencySvc.cpp.

                                                                                   {
   return makeCall( UPDATE_REP_REFS, pAddr, pObj );
 }

Member Data Documentation

SmartIF<IAddressCreator> PersistencySvc::m_addrCreator

mutableprotected

Pointer to the IAddressCreator interface of this, for addressCreator().

Definition at line 250 of file PersistencySvc.h.

SmartIF<IConversionSvc> PersistencySvc::m_cnvDefault

mutableprotected

Default output service.

Definition at line 235 of file PersistencySvc.h.

long PersistencySvc::m_cnvDefType = TEST_StorageType

protected

Default service type.

Definition at line 229 of file PersistencySvc.h.

Services PersistencySvc::m_cnvServices

protected

List of convermsion workers.

Definition at line 233 of file PersistencySvc.h.

SmartIF<IDataProviderSvc> PersistencySvc::m_dataSvc

mutableprotected

Pointer to datma provider service.

Definition at line 231 of file PersistencySvc.h.

bool PersistencySvc::m_enable = true

protected

Flag to indicate that the service is enabled.

Definition at line 247 of file PersistencySvc.h.

Gaudi::Property<std::vector<std::string> > PersistencySvc::m_svcNames

protected

Initial value:

{
      this,
      "CnvServices",
      {},
      [this]( auto& p ) {
        if ( this->msgLevel( MSG::DEBUG ) ) this->debug() << p << endmsg;
      },
      "Names of services to be requested from the service locator and added by default"}

Definition at line 237 of file PersistencySvc.h.

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

GaudiCommonSvc/src/PersistencySvc/PersistencySvc.h
GaudiCommonSvc/src/PersistencySvc/PersistencySvc.cpp

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