PersistencySvc Class Reference

PersistencySvc class implementation definition. More...

#include <src/PersistencySvc/PersistencySvc.h>

Inheritance diagram for PersistencySvc:

Collaboration diagram for PersistencySvc:

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...
	~extends () override=default
	Virtual destructor. 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...
StatusCode	setProperty (const Property &p) override
StatusCode	setProperty (const std::string &s) override
StatusCode	setProperty (const std::string &n, const std::string &v) override
StatusCode	getProperty (Property *p) const override
const Property &	getProperty (const std::string &name) const override
StatusCode	getProperty (const std::string &n, std::string &v) const override
const std::vector< Property * > &	getProperties () const override
bool	hasProperty (const std::string &name) const override
template<class TYPE >
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value 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 >
Property *	declareProperty (const std::string &name, T &property, const std::string &doc="none") const
	Declare the named property. More...
Property *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="") const
	Declare remote named properties. More...
template<class T >
StatusCode	declarePrivateTool (ToolHandle< T > &handle, std::string toolTypeAndName="", bool createIf=true)
	Declare used Private tool. More...
template<class T >
StatusCode	declarePublicTool (ToolHandle< T > &handle, std::string toolTypeAndName="", bool createIf=true)
	Declare used Public 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 CommonMessagingBase
virtual	~CommonMessagingBase ()=default
	Virtual destructor. More...
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...
MSG::Level	msgLevel () const
	get the output level from the embedded MsgStream More...
MSG::Level	outputLevel () const __attribute__((deprecated))
	Backward compatibility function for getting the output level. More...
bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...
Public Member Functions inherited from extend_interfaces< Interfaces...>
	~extend_interfaces () override=default
	Virtual destructor. More...

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

Protected Member Functions
void	svcNamesHandler (Property &theProp)
	Handlers for Service Names Property. 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 CommonMessaging< implements< IService, IProperty, IStateful > >
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...
StringArrayProperty	m_svcNames
	Names of services to be requested from the service locator and added by default. More...
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
IntegerProperty	m_outputLevel = MSG::NIL
	Service output level. More...
Gaudi::StateMachine::State	m_state = Gaudi::StateMachine::OFFLINE
	Service state. More...
Gaudi::StateMachine::State	m_targetState = Gaudi::StateMachine::OFFLINE
	Service state. More...

: Object implementation
	PersistencySvc (const std::string &name, ISvcLocator *svc)
	Standard Constructor. More...
	~PersistencySvc () override=default
	Standard Destructor. More...
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...

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
typedef Gaudi::PluginService::Factory< IService *, const std::string &, ISvcLocator * >	Factory
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 95 of file PersistencySvc.h.

Constructor & Destructor Documentation

PersistencySvc::PersistencySvc	(	const std::string &	name,
		ISvcLocator *	svc
	)

Standard Constructor.

Definition at line 567 of file PersistencySvc.cpp.

:  base_class(name, svc)
{
  declareProperty("CnvServices", m_svcNames);
  m_svcNames.declareUpdateHandler( &PersistencySvc::svcNamesHandler, this );
}

PersistencySvc::~PersistencySvc ( )

overridedefault

Standard Destructor.

Member Function Documentation

StatusCode PersistencySvc::addCnvService ( IConversionSvc *  service )

override

Add a new Service.

Add data service.

Definition at line 255 of file PersistencySvc.cpp.

                                                                 {
  if ( !servc )   return 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 199 of file PersistencySvc.cpp.

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

StatusCode PersistencySvc::addConverter ( const CLID &  clid )

override

Add converter object to conversion service.

Definition at line 194 of file PersistencySvc.cpp.

                                                      {
  return StatusCode::FAILURE;
}

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

override

Retrieve address creator facility.

Definition at line 447 of file PersistencySvc.cpp.

                                                                   {
  return m_addrCreator;
}

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

protected

Retrieve address creator from list.

Retrieve address creator service from list.

Definition at line 153 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 318 of file PersistencySvc.cpp.

                                                                {
  return StatusCode::SUCCESS;
}

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 307 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 313 of file PersistencySvc.cpp.

                                                         {
  return StatusCode::SUCCESS;
}

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

override

Get conversion service the converter is connected to.

Definition at line 189 of file PersistencySvc.cpp.

                                                                  {
  return m_cnvDefault;
}

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

override

Convert an address to string form.

Definition at line 335 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  = 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 217 of file PersistencySvc.cpp.

                                                   {
  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 323 of file PersistencySvc.cpp.

                                                                          {
  refpAddress = nullptr;
  IAddressCreator* svc = addressCreator(svc_type);
  return svc ? svc->createAddress(svc_type, clid, pars, ipars, refpAddress)
             : 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 363 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)
             : 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 113 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 133 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 178 of file PersistencySvc.cpp.

                                                                {
  return m_dataSvc;
}

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 394 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 560 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 381 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 118 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 138 of file PersistencySvc.cpp.

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

StatusCode PersistencySvc::finalize ( )

override

stop the service.

Definition at line 547 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 452 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 458 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 536 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 56 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 INVALID_ADDRESS;
      svc = service(pAddress->svcType());
      if ( !svc )   return 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 531 of file PersistencySvc.cpp.

                                             {
  return CLID_NULL;
}

StatusCode PersistencySvc::removeCnvService ( long  type )

override

Remove a Service.

Remove conversion service.

Definition at line 286 of file PersistencySvc.cpp.

                                                           {
  auto it = m_cnvServices.find( svctype );
  if( it == m_cnvServices.end() ) return 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 206 of file PersistencySvc.cpp.

                                                            {
  // Remove converter type from all services
  StatusCode 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 296 of file PersistencySvc.cpp.

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

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

protected

Retrieve conversion service by name.

Definition at line 222 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 241 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 438 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 183 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 169 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 301 of file PersistencySvc.cpp.

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

void PersistencySvc::svcNamesHandler ( Property &  theProp )

protected

Handlers for Service Names Property.

Definition at line 555 of file PersistencySvc.cpp.

                                                      {
  DEBMSG << p << endmsg;
}

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 123 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 128 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 143 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 148 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 282 of file PersistencySvc.h.

SmartIF<IConversionSvc> PersistencySvc::m_cnvDefault

mutableprotected

Default output service.

Definition at line 273 of file PersistencySvc.h.

long PersistencySvc::m_cnvDefType = TEST_StorageType

protected

Default service type.

Definition at line 267 of file PersistencySvc.h.

Services PersistencySvc::m_cnvServices

protected

List of convermsion workers.

Definition at line 271 of file PersistencySvc.h.

SmartIF<IDataProviderSvc> PersistencySvc::m_dataSvc

mutableprotected

Pointer to datma provider service.

Definition at line 269 of file PersistencySvc.h.

bool PersistencySvc::m_enable = true

protected

Flag to indicate that the service is enabled.

Definition at line 279 of file PersistencySvc.h.

StringArrayProperty PersistencySvc::m_svcNames

protected

Names of services to be requested from the service locator and added by default.

Definition at line 277 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