This class provides the interface between Athena and RootSvc. More...

#include <RootCnvSvc.h>

Inheritance diagram for Athena::RootCnvSvc:

Collaboration diagram for Athena::RootCnvSvc:

Public Member Functions
	RootCnvSvc (const std::string &name, ISvcLocator *pSvcLocator)
	Standard Service Constructor.
StatusCode	initialize ()
	Gaudi Service Interface method implementations:
StatusCode	finalize ()
StatusCode	connectOutput (const std::string &file)
	Connect the output file to the service.
StatusCode	connectOutput (const std::string &file, const std::string &mode)
	Connect the output file to the service with open mode.
StatusCode	commitOutput (const std::string &output, bool do_commit)
	Commit pending output.
StatusCode	createAddress (long svc_type, const CLID &clid, const std::string par, const unsigned long ip, IOpaqueAddress *&refpAddress)
	Create a Generic address using explicit arguments to identify a single object.
StatusCode	convertAddress (const IOpaqueAddress *pAddress, std::string &refAddress)
	Convert an address to string form.
StatusCode	createAddress (long svc_type, const CLID &clid, const std::string &refAddress, IOpaqueAddress *&refpAddress)
	Convert an address in string form to object form.
StatusCode	updateServiceState (IOpaqueAddress *pAddress)
	Update state of the service.

Protected Member Functions
IConverter *	createConverter (long typ, const CLID &clid, const ICnvFactory *fac)
	Create new converter using factory.

RootType	getType (const CLID &clid) const
RootType	getType (const std::type_info &type) const
const Token *	writeObject (const std::string &key, const RootType &typeDesc, const void pObj, ITPCnvBase tpConverter=0)
	Write object of a given class to Root, using optional T/P converter.

ITPCnvBase *	getTPConverter (const CLID &clid) const
	Get T/P converter for a transient class.

Private Member Functions
	RootCnvSvc ()
	Default constructor:
	RootCnvSvc (const RootCnvSvc &)
RootCnvSvc &	operator= (const RootCnvSvc &)

Private Attributes
ServiceHandle< ::IDictLoaderSvc >	m_dictSvc
	ServiceHandle to the dictionary service.
ServiceHandle< ::ITPCnvSvc >	m_tpCnvSvc
	ServiceHandle to the T/P conversion service.
ServiceHandle< ::IRootSvc >	m_rootSvc
	ServiceHandle to the root service.
std::string	m_treeName
	ROOT TTree name.

Detailed Description

This class provides the interface between Athena and RootSvc.

Definition at line 35 of file RootCnvSvc.h.

Constructor & Destructor Documentation

◆ RootCnvSvc() [1/3]

Athena::RootCnvSvc::RootCnvSvc	(	const std::string &	name,
		ISvcLocator *	pSvcLocator )

Standard Service Constructor.

Definition at line 31 of file RootCnvSvc.cxx.

                                                                      :
    base_class(name, pSvcLocator, ROOT_StorageType),
    m_dictSvc("AthDictLoaderSvc", name),
    m_tpCnvSvc("AthTPCnvSvc", name),
    m_rootSvc("Athena::RootSvc/AthenaRootSvc", name),
    m_treeName("CollectionTree") {
}

◆ RootCnvSvc() [2/3]

Athena::RootCnvSvc::RootCnvSvc ( )

private

Default constructor:

◆ RootCnvSvc() [3/3]

Athena::RootCnvSvc::RootCnvSvc ( const RootCnvSvc & )

private

Member Function Documentation

◆ commitOutput()

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

Commit pending output.

Definition at line 83 of file RootCnvSvc.cxx.

                                                              {
  return m_rootSvc->commitOutput();
}

◆ connectOutput() [1/2]

StatusCode Athena::RootCnvSvc::connectOutput ( const std::string & file )

Connect the output file to the service.

Definition at line 78 of file RootCnvSvc.cxx.

                                                          {
  return m_rootSvc->connect(file);
}

◆ connectOutput() [2/2]

StatusCode Athena::RootCnvSvc::connectOutput	(	const std::string &	file,
		const std::string &	mode )

Connect the output file to the service with open mode.

Definition at line 59 of file RootCnvSvc.cxx.

                                                                                 {
  std::string fileName = file;
  std::string::size_type inx1 = file.find('(');
  if (inx1 != std::string::npos) {
    std::string::size_type inx2 = file.find(')');
    if (inx2 == std::string::npos || inx2 != file.size() - 1) {
      return StatusCode::FAILURE;
    }
    m_treeName = fileName.substr(inx1 + 1, inx2 - inx1 - 1);
    fileName.resize(inx1);//already checked that inx1!=npos
  }
  if (!m_rootSvc->open(fileName, mode).isSuccess()) {
    ATH_MSG_ERROR("Could not open-recreate file [" << file << "]");
    return StatusCode::FAILURE;
  }
  return this->connectOutput(fileName);
}

◆ convertAddress()

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

Convert an address to string form.

Definition at line 102 of file RootCnvSvc.cxx.

                                                                                           {
  ATH_MSG_VERBOSE("::convertAddress(pAddr = " << pAddress << ", refPaddr = " << refAddress << ")");
  return StatusCode::FAILURE;
}

◆ createAddress() [1/2]

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

Convert an address in string form to object form.

Definition at line 107 of file RootCnvSvc.cxx.

                                      {
  ATH_MSG_VERBOSE("RootCnvSvc::createAddress("
                  << "svc_type=" << svc_type << ", "
                  << "clid=" << clid << ", "
                  << "refaddr=" << refAddress << ", "
                  << "refpaddr=" << refpAddress << ")");
 
  return StatusCode::FAILURE;
}

◆ createAddress() [2/2]

StatusCode Athena::RootCnvSvc::createAddress	(	long	svc_type,
		const CLID &	clid,
		const std::string *	par,
		const unsigned long *	ip,
		IOpaqueAddress *&	refpAddress )

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

Definition at line 87 of file RootCnvSvc.cxx.

                                      {
  ATH_MSG_VERBOSE("RootCnvSvc::createAddress("
                  << "svc_type=" << svc_type << ", "
                  << "clid=" << clid << ", "
                  << "par=" << par[0] << ", " << par[1] << " "
                  << "ip=" << ip[0] << ", " << ip[1] << " "
                  << "refpaddr=" << refpAddress << ")");
  refpAddress = new GenericAddress(ROOT_StorageType, clid, par[0], par[1], ip[0], ip[1]);
  return StatusCode::SUCCESS;
}

◆ createConverter()

IConverter * Athena::RootCnvSvc::createConverter	(	long	typ,
		const CLID &	clid,
		const ICnvFactory *	fac )

protected

Create new converter using factory.

Definition at line 161 of file RootCnvSvc.cxx.

                                                                                          {
  ATH_MSG_VERBOSE("createConverter typ = " << typ << ", clid = " << clid);
  if (typ == ROOT_StorageType) {
    return new Athena::RootCnv(clid, serviceLocator().get());
  }
  return ::AthCnvSvc::createConverter(typ, clid, fac);
}

◆ finalize()

StatusCode Athena::RootCnvSvc::finalize ( )

Definition at line 54 of file RootCnvSvc.cxx.

                                {
  return ::AthCnvSvc::finalize();
}

◆ getTPConverter()

ITPCnvBase * Athena::RootCnvSvc::getTPConverter ( const CLID & clid ) const

protected

Get T/P converter for a transient class.

Definition at line 155 of file RootCnvSvc.cxx.

                                                             {
  ATH_MSG_VERBOSE("RootCnvSvc::getTPConverter clid = " << clid);
  return m_tpCnvSvc->t2p_cnv(clid);
}

◆ getType() [1/2]

RootType Athena::RootCnvSvc::getType ( const CLID & clid ) const

protected

RootType-based API Load the class (dictionary) from Root.

Definition at line 127 of file RootCnvSvc.cxx.

                                                   {
  return m_dictSvc->load_type(clid);
}

◆ getType() [2/2]

RootType Athena::RootCnvSvc::getType ( const std::type_info & type ) const

protected

Definition at line 131 of file RootCnvSvc.cxx.

                                                           {
  return m_dictSvc->load_type(type);
}

◆ initialize()

StatusCode Athena::RootCnvSvc::initialize ( )

Gaudi Service Interface method implementations:

Definition at line 39 of file RootCnvSvc.cxx.

                                  {
  ATH_MSG_INFO("Initializing " << name());
  if (!::AthCnvSvc::initialize().isSuccess()) {
    ATH_MSG_FATAL("Cannot initialize ConversionSvc base class.");
    return StatusCode::FAILURE;
  }
  // Get the Dictionary service
  ATH_CHECK(m_dictSvc.retrieve());
  // Get the T/P conversion service
  ATH_CHECK(m_tpCnvSvc.retrieve());
  // Get the Root service
  ATH_CHECK(m_rootSvc.retrieve());
  return StatusCode::SUCCESS;
}

◆ operator=()

RootCnvSvc & Athena::RootCnvSvc::operator= ( const RootCnvSvc & )

private

◆ updateServiceState()

StatusCode Athena::RootCnvSvc::updateServiceState ( IOpaqueAddress * pAddress )

Update state of the service.

Definition at line 120 of file RootCnvSvc.cxx.

                                                                  {
  ATH_MSG_VERBOSE("RootCnvSvc::updateServiceState(paddr = " << pAddress << ")");
  return StatusCode::FAILURE;
}

◆ writeObject()

const Token * Athena::RootCnvSvc::writeObject	(	const std::string &	key,
		const RootType &	typeDesc,
		const void *	pObj,
		ITPCnvBase *	tpConverter = 0 )

protected

Write object of a given class to Root, using optional T/P converter.

Definition at line 136 of file RootCnvSvc.cxx.

                                 {
  const Token* token = 0;
  Placement placement;
  placement.setContainerName(m_treeName + "(" + key + ")");
  placement.setTechnology(ROOT_StorageType);
  if (tpConverter == 0) {
    token = m_rootSvc->writeObject(placement, typeDesc, pObj);
  } else {
    void* pers = m_rootSvc->createObject(typeDesc);
    tpConverter->transToPersUntyped(pObj, pers, this->msg());
    token = m_rootSvc->writeObject(placement, typeDesc, pers);
    m_rootSvc->destructObject(typeDesc, pers); pers = 0;
  }
  return token;
}

Member Data Documentation

◆ m_dictSvc

ServiceHandle< ::IDictLoaderSvc> Athena::RootCnvSvc::m_dictSvc

private

ServiceHandle to the dictionary service.

Definition at line 102 of file RootCnvSvc.h.

◆ m_rootSvc

ServiceHandle< ::IRootSvc> Athena::RootCnvSvc::m_rootSvc

private

ServiceHandle to the root service.

Definition at line 106 of file RootCnvSvc.h.

◆ m_tpCnvSvc

ServiceHandle< ::ITPCnvSvc> Athena::RootCnvSvc::m_tpCnvSvc

private

ServiceHandle to the T/P conversion service.

Definition at line 104 of file RootCnvSvc.h.

◆ m_treeName

std::string Athena::RootCnvSvc::m_treeName

private

ROOT TTree name.

Definition at line 109 of file RootCnvSvc.h.

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

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ RootCnvSvc() [1/3]

◆ RootCnvSvc() [2/3]

◆ RootCnvSvc() [3/3]

Member Function Documentation

◆ commitOutput()

◆ connectOutput() [1/2]

◆ connectOutput() [2/2]

◆ convertAddress()

◆ createAddress() [1/2]

◆ createAddress() [2/2]

◆ createConverter()

◆ finalize()

◆ getTPConverter()

◆ getType() [1/2]

◆ getType() [2/2]

◆ initialize()

◆ operator=()

◆ updateServiceState()

◆ writeObject()

Member Data Documentation

◆ m_dictSvc

◆ m_rootSvc

◆ m_tpCnvSvc

◆ m_treeName