NTuple converter class definition. More...

#include <RFileCnv.h>

Inheritance diagram for RootHistCnv::RFileCnv:

Collaboration diagram for RootHistCnv::RFileCnv:

Public Member Functions
virtual StatusCode	createObj (IOpaqueAddress pAddress, DataObject &refpObject)
	Create the transient representation of an object.

virtual StatusCode	createRep (DataObject pObject, IOpaqueAddress &refpAddress)
	Convert the transient object to the requested representation.

virtual StatusCode	updateRep (IOpaqueAddress pAddress, DataObject pObject)
	Convert the transient object to the requested representation.

	RFileCnv (ISvcLocator *svc)
	Standard constructor.

virtual	~RFileCnv ()
	Standard destructor.

Public Member Functions inherited from RootHistCnv::RDirectoryCnv
virtual StatusCode	fillObjRefs (IOpaqueAddress pAddr, DataObject refpObj)
	Update the transient object from the other representation.

	RDirectoryCnv (ISvcLocator *svc)
	Standard constructor.

	RDirectoryCnv (ISvcLocator *svc, const CLID &clid)
	Standard constructor.

virtual	~RDirectoryCnv ()
	Standard destructor.

Public Member Functions inherited from RootHistCnv::RConverter
long	repSvcType () const
	Retrieve the class type of the data store the converter uses.

StatusCode	error (const std::string &msg)

StatusCode	regTFile (const std::string, const TFile *)

StatusCode	findTFile (const std::string, TFile *&)

std::string	diskDirectory (const std::string &loc)

std::string	directory (const std::string &loc)

void	setDirectory (const std::string &loc)

void	setDiskDirectory (const std::string &loc)

StatusCode	createDirectory (const std::string &loc)

StatusCode	createDiskDirectory (const std::string &loc)

std::string	getDirectory ()

std::string	convertId (const std::string &) const

Public Member Functions inherited from Converter
virtual StatusCode	initialize ()
	Initialize the converter.

virtual StatusCode	finalize ()
	Initialize the converter.

virtual StatusCode	setDataProvider (IDataProviderSvc *svc)
	Set Data provider service.

virtual SmartIF < IDataProviderSvc > &	dataProvider () const
	Get Data provider service.

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

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

virtual StatusCode	setAddressCreator (IAddressCreator *creator)
	Set address creator facility.

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

virtual const CLID &	objType () const
	Retrieve the class type of objects the converter produces.

virtual long	i_repSvcType () const
	Retrieve the class type of the data store the converter uses.

virtual StatusCode	updateObj (IOpaqueAddress pAddress, DataObject refpObject)
	Update the transient object from the other representation.

virtual StatusCode	updateObjRefs (IOpaqueAddress pAddress, DataObject pObject)
	Update the references of an updated transient object.

virtual StatusCode	fillRepRefs (IOpaqueAddress pAddress, DataObject pObject)
	Resolve the references of the converted object.

virtual StatusCode	updateRepRefs (IOpaqueAddress pAddress, DataObject pObject)
	Update the references of an already converted object.

	Converter (long storage_type, const CLID &class_type, ISvcLocator *svc=0)
	Standard Constructor.

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

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

SmartIF< IService >	service (const std::string &name, const bool createIf=true) const
	Return a pointer to the service identified by name (or "type/name")

Static Public Member Functions
static const CLID &	classID ()
	Inquire class type.

Static Public Member Functions inherited from RootHistCnv::RDirectoryCnv
static const CLID &	classID ()
	Inquire class type.

Static Public Member Functions inherited from RootHistCnv::RConverter
static long	storageType ()
	Inquire storage type.

Protected Attributes
TFile *	rfile

Additional Inherited Members
Public Types inherited from implements1< IConverter >
typedef implements1	base_class
	Typedef to this class.

typedef extend_interfaces1 < IConverter >	extend_interfaces_base
	Typedef to the base of this class.

typedef extend_interfaces_base::ext_iids	interfaces
	MPL set of all the implemented interfaces.

Protected Member Functions inherited from RootHistCnv::RConverter
	RConverter (const CLID &clid, ISvcLocator *svc)
	Standard constructor.

virtual	~RConverter ()
	Standard destructor.

virtual StatusCode	readObject (IOpaqueAddress pAddr, DataObject &refpObj)
	Create the transient representation of an object.

virtual TObject *	createPersistent (DataObject *pObj)
	Create the persistent representation of an object.

StatusCode	createAddress (DataObject pObject, TDirectory pDir, TObject pTObject, IOpaqueAddress &refpAddr)
	Create address of the transient object according to the requested representation.

StatusCode	createAddress (const std::string &rzdir, const CLID &clid, long id, TObject pTobj, IOpaqueAddress &refpAddress)

StatusCode	createAddress (const std::string &rzdir, const CLID &clid, const std::string &title, TObject pTobj, IOpaqueAddress &refpAddress)

TDirectory *	changeDirectory (DataObject *pObject)
	Switch to object directory (=Parent directory)

Detailed Description

NTuple converter class definition.

Major cleanup and debugging for Gaudi v9
Removal of all static storage

Author: Charles Leggett; Markus Frank

Definition at line 23 of file RFileCnv.h.

Constructor & Destructor Documentation

RootHistCnv::RFileCnv::RFileCnv ( ISvcLocator * svc )

inline

Standard constructor.

Definition at line 37 of file RFileCnv.h.

: RDirectoryCnv(svc, classID()) {

}

RootHistCnv::RFileCnv::~RFileCnv ( )

virtual

Standard destructor.

Definition at line 176 of file RFileCnv.cpp.

{

}

Member Function Documentation

static const CLID& RootHistCnv::RFileCnv::classID ( )

inlinestatic

Inquire class type.

Definition at line 32 of file RFileCnv.h.

                                    {
      return CLID_NTupleFile;
    }

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

virtual

Create the transient representation of an object.

Reimplemented from RootHistCnv::RDirectoryCnv.

Definition at line 19 of file RFileCnv.cpp.

{
  MsgStream log(msgSvc(), "RFileCnv");
  unsigned long*     ipar = (unsigned long*)pAddress->ipar();
  char mode[2] = { char(ipar[1]), 0 };
  std::string fname  = pAddress->par()[0]; // Container name
  std::string ooname = pAddress->par()[1]; // Object name
  const std::string* spar = pAddress->par();
  // Strip of store name to get the top level RZ directory
  std::string oname = spar[1].substr(spar[1].find("/",1)+1, spar[1].length());
  // Protect against multiple instances of TROOT
  if ( 0 == gROOT )   {
    static TROOT root("root","ROOT I/O");
    //    gDebug = 99;
  } else {
    log << MSG::VERBOSE << "ROOT already initialized, debug = "
        << gDebug<< endmsg;
  }
  // Determine access mode:
  if ( mode[0] == 'O' ) {
    if (findTFile(ooname,rfile).isFailure()) {
      log << MSG::INFO << "opening Root file \"" << fname << "\" for reading"
          << endmsg;
      rfile = TFile::Open(fname.c_str(),"READ");
      if ( rfile != 0 && rfile->IsOpen() ) {
        regTFile(ooname,rfile).ignore();
        ipar[0] = (unsigned long)rfile;
        NTuple::File* pFile = new NTuple::File(objType(), fname, oname);
        pFile->setOpen(true);
        refpObject = pFile;
        return StatusCode::SUCCESS;
      } else {
        log << MSG::ERROR << "Couldn't open \"" << fname << "\" for reading"
            << endmsg;
        return StatusCode::FAILURE;
      }
    } else {
      log << MSG::DEBUG << "Root file \"" << fname << "\" already opened"
          << endmsg;
      return StatusCode::SUCCESS;
    }
  } else if ( mode[0] == 'U' ) {
    log << MSG::INFO << "opening Root file \"" << fname << "\" for updating"
        << endmsg;
    log << MSG::ERROR << "don't know how to do this yet. Aborting." << endmsg;
    exit(1);
  } else if ( mode[0] == 'N' ) {
    log << MSG::INFO << "opening Root file \"" << fname << "\" for writing"
        << endmsg;
    rfile = TFile::Open(fname.c_str(),"RECREATE","Gaudi Trees");
    if ( ! ( rfile && rfile->IsOpen() ) ) {
      log << MSG::ERROR << "Could not open file " << fname << " for writing"
          << endmsg;
      return StatusCode::FAILURE;
    }
    regTFile(ooname,rfile).ignore();
    log << MSG::DEBUG << "creating ROOT file " << fname << endmsg;
    ipar[0] = (unsigned long)rfile;
    NTuple::File* pFile = new NTuple::File(objType(), fname, oname);
    pFile->setOpen(true);
    refpObject = pFile;
    return StatusCode::SUCCESS;
  } else {
    log << MSG::ERROR << "Uknown mode to access ROOT file" << endmsg;
    return StatusCode::FAILURE;
  }
  return StatusCode::FAILURE;
  //    TFile* rfile = TFile::Open(spar[0].c_str(),"RECREATE","Gaudi ROOT Ntuples");
  //    if (! rfile->IsOpen() ) {
  //      log << MSG::ERROR << "Could not open file " << spar[0] << " for writing" << endmsg;
  //      return StatusCode::FAILURE;
  //    }
  //    ipar[0] = (unsigned long)rfile;
  //    NTuple::File* pFile = new NTuple::File(objType(), spar[0], oname);
  //    pFile->setOpen(true);
  //    refpObject = pFile;
  //    return StatusCode::SUCCESS;
}

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

virtual

Convert the transient object to the requested representation.

Reimplemented from RootHistCnv::RDirectoryCnv.

Definition at line 132 of file RFileCnv.cpp.

{
  refpAddress = pObject->registry()->address();
  return RFileCnv::updateRep( refpAddress, pObject );
}

StatusCode RootHistCnv::RFileCnv::updateRep	(	IOpaqueAddress *	pAddress,
		DataObject *	pObject
	)

virtual

Convert the transient object to the requested representation.

Reimplemented from RootHistCnv::RDirectoryCnv.

Definition at line 141 of file RFileCnv.cpp.

{
  MsgStream log(msgSvc(), "RFileCnv");
  std::string ooname = pAddress->par()[1];
  NTuple::File* pFile = dynamic_cast<NTuple::File*>(pObject);
  if ( pFile != 0 && pFile->isOpen() )    {
    unsigned long* ipar = (unsigned long*)pAddress->ipar();
    if (findTFile(ooname,rfile).isFailure()) {
      log << MSG::ERROR << "Problems closing TFile " << ooname << endmsg;
      return StatusCode::FAILURE;
    }
    rfile->Write(0,TObject::kOverwrite);
    if ( log.level() <= MSG::INFO ) {
      log << MSG::INFO << "dumping contents of " << ooname << endmsg;
      rfile->Print();
    }
    rfile->Close();
    delete rfile;
    ipar[0] = 0;
    pFile->setOpen(false);
    return StatusCode::SUCCESS;
  } else {
    log << MSG::ERROR << "TFile " << ooname << " is not open" << endmsg;
  }
  return StatusCode::FAILURE;
}

Member Data Documentation

TFile* RootHistCnv::RFileCnv::rfile

protected

Definition at line 43 of file RFileCnv.h.

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

/afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r7/RootHistCnv/src/RFileCnv.h
/afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r7/RootHistCnv/src/RFileCnv.cpp

Gaudi Framework, version v23r7

Public Member Functions

Static Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation