Gaudi::RootNTupleCnv Class Reference

NTuple converter class definition for NTuples writted/read using ROOT. More...

#include <Root/RootNTupleCnv.h>

Inheritance diagram for Gaudi::RootNTupleCnv:

Collaboration diagram for Gaudi::RootNTupleCnv:

Public Member Functions
	RootNTupleCnv (long typ, const CLID &clid, ISvcLocator *svc, RootCnvSvc *mgr)
	Standard constructor.
StatusCode	createRep (DataObject *pObj, IOpaqueAddress *&refpAdd) override
	Converter overrides: Convert the transient object to the requested representation.
StatusCode	fillRepRefs (IOpaqueAddress *pAdd, DataObject *pObj) override
	Resolve the references of the converted object.
StatusCode	createObj (IOpaqueAddress *pAddress, DataObject *&refpObject) override
	Converter overrides: Update the references of an updated transient object.
StatusCode	fillObjRefs (IOpaqueAddress *, DataObject *) override
	Converter overrides: Update the references of an updated transient object.
StatusCode	updateObj (IOpaqueAddress *pAddress, DataObject *pObject) override
	Update the transient object: NTuples end here when reading records.
StatusCode	updateObjRefs (IOpaqueAddress *, DataObject *) override
	Converter overrides: Update the references of an updated transient object.
StatusCode	updateRep (IOpaqueAddress *, DataObject *) override
	Converter overrides: Update the converted representation of a transient object.
StatusCode	updateRepRefs (IOpaqueAddress *, DataObject *) override
	Converter overrides: Update the converted representation of a transient object.
Public Member Functions inherited from Gaudi::RootStatCnv
	RootStatCnv (long typ, const CLID &clid, ISvcLocator *svc, RootCnvSvc *mgr)
	Initializing Constructor.
Public Member Functions inherited from Gaudi::RootConverter
	RootConverter (long typ, const CLID &clid, ISvcLocator *svc, RootCnvSvc *mgr)
	Initializing Constructor.
long	repSvcType () const override
	Retrieve the class type of the data store the converter uses.
StatusCode	createObj (IOpaqueAddress *pAddr, DataObject *&refpObj) override
	Converter overrides: Create transient object from persistent data.
StatusCode	fillObjRefs (IOpaqueAddress *pAddr, DataObject *pObj) override
	Resolve the references of the created transient object.
StatusCode	createRep (DataObject *pObj, IOpaqueAddress *&refpAddr) override
	Converter overrides: Convert the transient object to the requested representation.
StatusCode	fillRepRefs (IOpaqueAddress *pAddr, DataObject *pObj) override
	Resolve the references of the created transient object.
Public Member Functions inherited from Converter
StatusCode	initialize () override
	Initialize the converter.
StatusCode	finalize () override
	Initialize the converter.
StatusCode	setDataProvider (IDataProviderSvc *svc) override
	Set Data provider service.
SmartIF< IDataProviderSvc > &	dataProvider () const override
	Get Data provider service.
StatusCode	setConversionSvc (IConversionSvc *svc) override
	Set conversion service the converter is connected to.
SmartIF< IConversionSvc > &	conversionSvc () const override
	Get conversion service the converter is connected to.
StatusCode	setAddressCreator (IAddressCreator *creator) override
	Set address creator facility.
SmartIF< IAddressCreator > &	addressCreator () const override
	Retrieve address creator facility.
const CLID &	objType () const override
	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.
StatusCode	createObj (IOpaqueAddress *pAddress, DataObject *&refpObject) override
	Create the transient representation of an object.
StatusCode	fillObjRefs (IOpaqueAddress *pAddress, DataObject *pObject) override
	Resolve the references of the created transient object.
StatusCode	updateObj (IOpaqueAddress *pAddress, DataObject *refpObject) override
	Update the transient object from the other representation.
StatusCode	updateObjRefs (IOpaqueAddress *pAddress, DataObject *pObject) override
	Update the references of an updated transient object.
StatusCode	createRep (DataObject *pObject, IOpaqueAddress *&refpAddress) override
	Convert the transient object to the requested representation.
StatusCode	fillRepRefs (IOpaqueAddress *pAddress, DataObject *pObject) override
	Resolve the references of the converted object.
StatusCode	updateRep (IOpaqueAddress *pAddress, DataObject *pObject) override
	Update the converted representation of a transient object.
StatusCode	updateRepRefs (IOpaqueAddress *pAddress, DataObject *pObject) override
	Update the references of an already converted object.
	Converter (long storage_type, const CLID &class_type, ISvcLocator *svc=0)
	Standard Constructor.
SmartIF< IService >	service (const std::string &name, const bool createIf=true) const
	Return a pointer to the service identified by name (or "type/name")
Public Member Functions inherited from implements< IConverter >
void const *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast.
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface.
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames.
	implements ()=default
	Default constructor.
	implements (const implements &)
	Copy constructor (zero the reference count)
implements &	operator= (const implements &)
	Assignment operator (do not touch the reference count).
unsigned long	addRef () const override
	Reference Interface instance.
unsigned long	release () const override
	Release Interface instance.
unsigned long	refCount () const override
	Current reference count.

Protected Member Functions
StatusCode	i__updateObjRoot (RootAddress *rpA, INTuple *tupl, TTree *tree, RootDataConnection *con)
	Update the transient object: NTuples end here when reading records.
Protected Member Functions inherited from Gaudi::RootStatCnv
MsgStream &	log () const
	Helper to use mesage logger.
StatusCode	initialize () override
	Initialize converter object.
StatusCode	finalize () override
	Finalize converter object.
virtual const std::string	containerName (IRegistry *pDir) const
	Retrieve the name of the container a given object is placed into.
virtual const std::string	fileName (IRegistry *pReg) const
	Retrieve the name of the file a given object is placed into.
virtual const std::string	topLevel (IRegistry *pReg) const
	Retrieve the full path of the file a given object is placed into.
StatusCode	makeError (const std::string &msg, bool throw_exception=false) const
	Helper method to issue error messages.
StatusCode	saveDescription (const std::string &path, const std::string &ident, const std::string &desc, const std::string &opt, const CLID &clid)
	Save statistics object description.
Protected Member Functions inherited from Converter
SmartIF< ISvcLocator > &	serviceLocator () const
	Retrieve pointer to service locator.
SmartIF< IMessageSvc > &	msgSvc () const
	Retrieve pointer to message service.
SmartIF< IDataManagerSvc > &	dataManager () const
	Get Data Manager service.
Protected Member Functions inherited from implements< IConverter >
unsigned long	decRef () const override

Additional Inherited Members
Public Types inherited from Converter
using	Factory = Gaudi::PluginService::Factory<IConverter*( ISvcLocator* )>
Public Types inherited from implements< IConverter >
using	base_class
	Typedef to this class.
using	extend_interfaces_base
	Typedef to the base of this class.
using	iids
Public Types inherited from extend_interfaces< Interfaces... >
using	ext_iids
	take union of the ext_iids of all Interfaces...
Protected Attributes inherited from Gaudi::RootStatCnv
SmartIF< IDataManagerSvc >	m_dataMgr
	Reference to data manager service to manipulate the TES.
std::unique_ptr< MsgStream >	m_log
	Reference to logger object.
Protected Attributes inherited from Gaudi::RootConverter
RootCnvSvc *	m_dbMgr
	Conversion service needed for proper operation to forward requests.
Protected Attributes inherited from implements< IConverter >
std::atomic_ulong	m_refCount
	Reference counter.

Detailed Description

NTuple converter class definition for NTuples writted/read using ROOT.

Description: Definition of the generic converter for row wise and column wise Ntuples.

Author

M.Frank

Version

1.0

Definition at line 44 of file RootNTupleCnv.h.

Constructor & Destructor Documentation

RootNTupleCnv()

Gaudi::RootNTupleCnv::RootNTupleCnv ( long typ, const CLID & clid, ISvcLocator * svc, RootCnvSvc * mgr )

inline

Standard constructor.

Parameters

clid	[IN] Class ID of the object type to be converted.
db	[IN] Pointer to POOL database interface
svc	[IN] Pointer to Gaudi service locator

Returns

Reference to RootNTupleCnv object

Definition at line 58 of file RootNTupleCnv.h.

        : RootStatCnv( typ, clid, svc, mgr ) {}

Member Function Documentation

createObj()

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

override

Converter overrides: Update the references of an updated transient object.

Parameters

pAddress	[IN] Valid pointer to the object's opaque address
refpObject	[OUT] Location to store pointer to DataObject

Returns

Status code indicating success or failure

Definition at line 155 of file RootNTupleCnv.cpp.

                                                                                    {
  StatusCode          status    = S_FAIL;
  RootDataConnection* con       = nullptr;
  IRegistry*          pRegistry = pAddr->registry();
  RootAddress*        rpA       = dynamic_cast<RootAddress*>( pAddr );
  string              path      = fileName( pRegistry );
  string              cntName   = containerName( pRegistry );
  string*             par       = const_cast<string*>( pAddr->par() );
  status                        = m_dbMgr->connectDatabase( path, IDataConnection::READ, &con );
  if ( status.isSuccess() ) {
    string   par_val, par_guid;
    TBranch* b = con->getBranch( "##Descriptors", "GaudiStatisticsDescription" );
    if ( b ) {
      RootNTupleDescriptor*                 ptr;
      std::unique_ptr<RootNTupleDescriptor> dsc( ptr = new RootNTupleDescriptor() );
      b->SetAddress( &ptr );
      for ( Long64_t i = 0, nent = b->GetEntries(); i < nent; ++i ) {
        int nb = b->GetEntry( i );
        if ( nb > 1 ) {
          if ( ptr->container == cntName ) {
            par_val = ptr->description;
            break;
          }
        }
      }
    }
    par[2]      = _tr( cntName );
    TTree* tree = con->getSection( par[2] );
    if ( nullptr == tree ) { return makeError( "Failed to access N-Tuple tree:" + cntName ); }
    if ( !par_val.empty() ) {
      auto ntupleSvc = dataProvider().as<INTupleSvc>();
      if ( ntupleSvc ) {
        char           c;
        CLID           clid;
        int            siz, typ;
        string         title;
        NTuple::Tuple* nt = nullptr;
        istringstream  is( par_val );
        getline( is, title, ';' ) >> clid >> c >> siz >> c;
        status = ntupleSvc->create( clid, title, nt );
        for ( int j = 0; j < siz && status.isSuccess(); j++ ) {
          is >> c;
          getline( is, title, ';' ) >> typ >> c;
          switch ( typ ) {
          case DataTypeInfo::UCHAR:
            status = createItem( tree, nt, is, title, true, (unsigned char)0 );
            break;
          case DataTypeInfo::USHORT:
            status = createItem( tree, nt, is, title, true, (unsigned short)0 );
            break;
          case DataTypeInfo::UINT:
            status = createItem( tree, nt, is, title, true, 0u );
            break;
          case DataTypeInfo::ULONG:
            status = createItem( tree, nt, is, title, true, 0ul );
            break;
          case DataTypeInfo::CHAR:
            status = createItem( tree, nt, is, title, true, char( 0 ) );
            break;
          case DataTypeInfo::SHORT:
            status = createItem( tree, nt, is, title, true, short( 0 ) );
            break;
          case DataTypeInfo::INT:
            status = createItem( tree, nt, is, title, true, 0 );
            break;
          case DataTypeInfo::LONG:
            status = createItem( tree, nt, is, title, true, 0l );
            break;
          case DataTypeInfo::BOOL:
            status = createItem( tree, nt, is, title, true, false );
            break;
          case DataTypeInfo::FLOAT:
            status = createItem( tree, nt, is, title, true, 0.f );
            break;
          case DataTypeInfo::DOUBLE:
            status = createItem( tree, nt, is, title, true, 0. );
            break;
          /*
          case DataTypeInfo::NTCHAR:
          case DataTypeInfo::LONG_NTCHAR:
          status =
          createItem(tree, nt, is, title, true, (char*)0);
          break;
          case DataTypeInfo::STRING:
          case DataTypeInfo::LONG_STRING:
          status =
          createItem(tree, nt, is, title, true, string(""));
          break;
          */
          case DataTypeInfo::OBJECT_ADDR:
            status = createItem( tree, nt, is, title, false, static_cast<IOpaqueAddress*>( nullptr ) );
            break;
          case DataTypeInfo::POINTER:
            status = createItem( tree, nt, is, title, true, static_cast<void*>( nullptr ) );
            break;
          case DataTypeInfo::UNKNOWN:
          default:
            status = S_FAIL;
            break;
          }
          if ( !status.isSuccess() ) {
            log() << MSG::FATAL << "Error connecting (Unknown) column:" << j << endmsg << par_val << endmsg;
            return makeError( "createObj[NTuple]> Cannot determine column!" );
          }
        }
        if ( status.isSuccess() && rpA ) {
          unsigned long* ipar = const_cast<unsigned long*>( rpA->ipar() );
          log() << MSG::DEBUG << "Created N-tuple with description:" << par_val << endl;
          ipar[0]      = reinterpret_cast<uintptr_t>( con );
          ipar[1]      = ~0x0UL;
          rpA->section = tree;
          refpObject   = nt;
        } else {
          refpObject = nullptr;
          if ( nt ) nt->release();
        }
      }
    }
  }
  return status;
}

createRep()

StatusCode RootNTupleCnv::createRep ( DataObject * pObj, IOpaqueAddress *& refpAdd )

override

Converter overrides: Convert the transient object to the requested representation.

Convert the transient object to the requested representation.

Parameters

pObj	[IN] Valid pointer to DataObject
refpAdd	[OUT] Location to store pointer to the object's opaque address

Returns

Status code indicating success or failure

Definition at line 391 of file RootNTupleCnv.cpp.

                                                                              {
  IRegistry* pRegistry = pObj->registry();
  if ( pRegistry ) {
    pAddr = pRegistry->address();
    if ( pAddr ) return S_OK;
 
    RootDataConnection* con     = nullptr;
    string              path    = fileName( pRegistry );
    string              cntName = containerName( pRegistry );
    string              secName = cntName;
    const INTuple*      nt      = dynamic_cast<const INTuple*>( pObj );
    StatusCode          status  = m_dbMgr->connectDatabase( path, IDataConnection::UPDATE, &con );
    if ( !status.isSuccess() ) { return makeError( "Failed to access Tuple file:" + path ); }
    TTree* tree = con->getSection( _tr( secName ), true );
    if ( nullptr != nt ) {
      const INTuple::ItemContainer& items = nt->items();
      ostringstream                 os;
      size_t                        item_no;
      string                        desc;
      os << nt->title() << ';' << pObj->clID() << ';' << items.size() << ';';
      map<string, TBranch*> branches;
      TBranch*              b = nullptr;
      for ( item_no = 0; item_no < items.size(); ++item_no ) {
        INTupleItem* it = items[item_no];
        if ( it->hasIndex() ) {
          INTupleItem*  itm = it->indexItem();
          const string& n   = itm->name();
          switch ( itm->type() ) {
          case DataTypeInfo::UCHAR:
            desc = n + "/b";
            b    = tree->Branch( n.c_str(), const_cast<void*>( itm->buffer() ), desc.c_str() );
            break;
          case DataTypeInfo::USHORT:
            desc = n + "/s";
            b    = tree->Branch( n.c_str(), const_cast<void*>( itm->buffer() ), desc.c_str() );
            break;
          case DataTypeInfo::UINT:
            desc = n + "/i";
            b    = tree->Branch( n.c_str(), const_cast<void*>( itm->buffer() ), desc.c_str() );
            break;
          case DataTypeInfo::ULONG:
            desc = n + "/l";
            b    = tree->Branch( n.c_str(), const_cast<void*>( itm->buffer() ), desc.c_str() );
            break;
          case DataTypeInfo::CHAR:
            desc = n + "/B";
            b    = tree->Branch( n.c_str(), const_cast<void*>( itm->buffer() ), desc.c_str() );
            break;
          case DataTypeInfo::SHORT:
            desc = n + "/S";
            b    = tree->Branch( n.c_str(), const_cast<void*>( itm->buffer() ), desc.c_str() );
            break;
          case DataTypeInfo::INT:
            desc = n + "/I";
            b    = tree->Branch( n.c_str(), const_cast<void*>( itm->buffer() ), desc.c_str() );
            break;
          case DataTypeInfo::LONG:
            desc = n + "/L";
            b    = tree->Branch( n.c_str(), const_cast<void*>( itm->buffer() ), desc.c_str() );
            break;
          default:
            return makeError( "Column " + it->index() + " is not a valid index column!" );
          }
          branches[n] = b;
        }
      }
      for ( item_no = 0; item_no < items.size(); ++item_no ) {
        INTupleItem*  it = items[item_no];
        const string& n  = it->name();
        os << '{' << n << ';' << it->type() << ';' << it->length() << ';' << it->ndim() << ';' << it->hasIndex() << ';';
        if ( it->hasIndex() ) {
          os << it->index() << ';';
          INTupleItem* itm = it->indexItem();
          switch ( itm->type() ) {
          case DataTypeInfo::UCHAR:
            putRange( os, dynamic_cast<NTuple::_Data<unsigned char>*>( itm ) );
            break;
          case DataTypeInfo::USHORT:
            putRange( os, dynamic_cast<NTuple::_Data<unsigned short>*>( itm ) );
            break;
          case DataTypeInfo::UINT:
            putRange( os, dynamic_cast<NTuple::_Data<unsigned int>*>( itm ) );
            break;
          case DataTypeInfo::ULONG:
            putRange( os, dynamic_cast<NTuple::_Data<unsigned long>*>( itm ) );
            break;
          case DataTypeInfo::CHAR:
            putRange( os, dynamic_cast<NTuple::_Data<char>*>( itm ) );
            break;
          case DataTypeInfo::SHORT:
            putRange( os, dynamic_cast<NTuple::_Data<short>*>( itm ) );
            break;
          case DataTypeInfo::INT:
            putRange( os, dynamic_cast<NTuple::_Data<int>*>( itm ) );
            break;
          case DataTypeInfo::LONG:
            putRange( os, dynamic_cast<NTuple::_Data<long>*>( itm ) );
            break;
          default:
            return makeError( "NTuple:" + pRegistry->name() + " Column " + it->index() +
                              " is not a valid index column!" );
          }
        }
        for ( long k = 0; k < it->ndim(); k++ ) { os << it->dim( k ) << ';'; }
        desc       = n;
        TClass* cl = nullptr;
        switch ( it->type() ) {
        case DataTypeInfo::STRING:
          desc = "/C";
          os << 0 << ';' << 0 << ';';
          break;
        case DataTypeInfo::NTCHAR:
          desc = "/C";
          os << 0 << ';' << 0 << ';';
          break;
        case DataTypeInfo::OBJECT_ADDR:
          if ( it->length() == 1 ) {
            desc = System::typeinfoName( typeid( RootRef ) );
            os << 0 << ';' << 0 << ';';
            cl = TClass::GetClass( desc.c_str(), kTRUE );
          }
          break;
        case DataTypeInfo::POINTER:
          if ( it->length() == 1 ) {
            os << 0 << ';' << 0 << ';';
            cl = TClass::GetClass( it->typeID(), kTRUE );
          }
          break;
        case DataTypeInfo::UCHAR:
          desc = "/b";
          putRange( os, dynamic_cast<NTuple::_Data<unsigned char>*>( it ) );
          break;
        case DataTypeInfo::USHORT:
          desc = "/s";
          putRange( os, dynamic_cast<NTuple::_Data<unsigned short>*>( it ) );
          break;
        case DataTypeInfo::UINT:
          desc = "/i";
          putRange( os, dynamic_cast<NTuple::_Data<unsigned int>*>( it ) );
          break;
        case DataTypeInfo::ULONG:
          desc = "/l";
          putRange( os, dynamic_cast<NTuple::_Data<unsigned long>*>( it ) );
          break;
        case DataTypeInfo::CHAR:
          desc = "/B";
          putRange( os, dynamic_cast<NTuple::_Data<char>*>( it ) );
          break;
        case DataTypeInfo::SHORT:
          desc = "/S";
          putRange( os, dynamic_cast<NTuple::_Data<short>*>( it ) );
          break;
        case DataTypeInfo::INT:
          desc = "/I";
          putRange( os, dynamic_cast<NTuple::_Data<int>*>( it ) );
          break;
        case DataTypeInfo::LONG:
          desc = "/L";
          putRange( os, dynamic_cast<NTuple::_Data<long>*>( it ) );
          break;
        case DataTypeInfo::BOOL:
          desc = "/b";
          putRange( os, dynamic_cast<NTuple::_Data<bool>*>( it ) );
          break;
        case DataTypeInfo::FLOAT:
          desc = "/F";
          putRange( os, dynamic_cast<NTuple::_Data<float>*>( it ) );
          break;
        case DataTypeInfo::DOUBLE:
          desc = "/D";
          putRange( os, dynamic_cast<NTuple::_Data<double>*>( it ) );
          break;
        case DataTypeInfo::UNKNOWN:
        default:
          return makeError( "Create item[FAIL]: " + it->name() );
        }
        os << '}';
        if ( branches.find( n ) == branches.end() ) {
          string tmp;
          char   text[32];
          switch ( it->ndim() ) {
          case 0:
            desc = n + desc;
            break;
          case 2:
            snprintf( text, sizeof( text ), "[%ld]", it->dim( 0 ) );
            tmp = text;
            [[fallthrough]];
          case 1:
            if ( it->hasIndex() ) {
              INTupleItem* itm = it->indexItem();
              desc             = n + tmp + "[" + itm->name() + "]" + desc;
            } else {
              snprintf( text, sizeof( text ), "[%ld]", it->dim( 0 ) );
              desc = n + tmp + text + desc;
            }
          }
          log() << MSG::DEBUG << "Create branch:" << n << " Desc:" << desc << " of type:" << it->type() << endmsg;
          switch ( it->type() ) {
          case DataTypeInfo::OBJECT_ADDR:
            branches[n] = tree->Branch( n.c_str(), cl->GetName(), const_cast<void*>( it->buffer() ) );
            break;
          case DataTypeInfo::POINTER:
            branches[n] = tree->Branch( n.c_str(), cl->GetName(), const_cast<void*>( it->buffer() ) );
            break;
          default:
            branches[n] = tree->Branch( n.c_str(), const_cast<void*>( it->buffer() ), desc.c_str() );
            break;
          }
        }
      }
 
      log() << MSG::DEBUG << "Save description:" << path << " -> " << cntName << endmsg << os.str() << endmsg;
      status = saveDescription( path, cntName, os.str(), "", pObj->clID() );
      if ( status.isSuccess() ) {
        status = m_dbMgr->commitOutput( path, true );
        if ( status.isSuccess() ) {
          string        spar[] = { path, cntName };
          unsigned long ipar[] = { (unsigned long)con, ~0x0u };
          status               = m_dbMgr->createAddress( repSvcType(), pObj->clID(), spar, ipar, pAddr );
          if ( status.isSuccess() ) {
            RootAddress* rpA = dynamic_cast<RootAddress*>( pAddr );
            if ( rpA ) {
              ( (unsigned long*)rpA->ipar() )[0] = (unsigned long)con;
              rpA->section                       = tree;
            } else {
              log() << MSG::ERROR << "cannot dynamic cast to RootAddress" << endmsg;
            }
 
          } else {
            pAddr->release();
            pAddr = nullptr;
          }
        }
      }
      return status;
    }
  }
  return S_FAIL;
}

fillObjRefs()

StatusCode Gaudi::RootNTupleCnv::fillObjRefs ( IOpaqueAddress * , DataObject *  )

inlineoverride

Converter overrides: Update the references of an updated transient object.

Parameters

pAddress	[IN] Valid pointer to the object's opaque address
pObject	[IN] Valid pointer to DataObject

Returns

Status code indicating success or failure

Definition at line 99 of file RootNTupleCnv.h.

                                                                        {
      return StatusCode::SUCCESS;
    }

fillRepRefs()

StatusCode RootNTupleCnv::fillRepRefs ( IOpaqueAddress * pAdd, DataObject * pObj )

override

Resolve the references of the converted object.

Parameters

pAdd	[IN] Valid pointer to the object's opaque address
pObj	[IN] Valid pointer to DataObject

Returns

Status code indicating success or failure

Definition at line 633 of file RootNTupleCnv.cpp.

                                                                               {
  typedef INTuple::ItemContainer Cont;
  INTuple*                       tupl = dynamic_cast<INTuple*>( pObj );
  IRegistry*                     pReg = pObj->registry();
  RootAddress*                   rpA  = dynamic_cast<RootAddress*>( pAddr );
  if ( tupl && pReg && rpA ) {
    string              cntName = containerName( pReg );
    unsigned long*      ipar    = const_cast<unsigned long*>( pAddr->ipar() );
    RootDataConnection* con     = reinterpret_cast<RootDataConnection*>( rpA->ipar()[0] );
    if ( con ) {
      TTree* tree = rpA->section;
      if ( tree ) {
        Cont&            it = tupl->items();
        size_t           k, n = it.size();
        vector<RootRef*> paddr( n );
        vector<RootRef>  addr( n );
        for ( k = 0; k < n; ++k ) {
          IOpaqueAddress*  pA = nullptr;
          Cont::value_type j  = it[k];
          switch ( j->type() ) {
          case DataTypeInfo::OBJECT_ADDR:
            pA       = ( *(IOpaqueAddress**)j->buffer() );
            paddr[k] = &addr[k];
            addr[k].reset();
            if ( pA ) {
              con->makeRef( *pA->registry(), addr[k] );
              addr[k].entry = pA->ipar()[1];
            }
            tree->SetBranchAddress( j->name().c_str(), &paddr[k] );
            break;
          default:
            break;
          }
        }
        int nb = tree->Fill();
        if ( nb > 1 ) ++ipar[1];
        for ( k = 0; k < n; ++k ) it[k]->reset();
        return nb > 1 ? StatusCode::SUCCESS : StatusCode::FAILURE;
      }
      return makeError( "fillRepRefs> Failed to access data tree:" + cntName );
    }
    return makeError( "fillRepRefs> Failed to access data source!" );
  }
  return makeError( "fillRepRefs> Invalid Tuple reference." );
}

i__updateObjRoot()

StatusCode RootNTupleCnv::i__updateObjRoot ( RootAddress * rpA, INTuple * tupl, TTree * tree, RootDataConnection * con )

protected

Update the transient object: NTuples end here when reading records.

Definition at line 292 of file RootNTupleCnv.cpp.

                                                                                                                  {
  typedef INTuple::ItemContainer Cont;
  const string*                  par  = rpA->par();
  unsigned long*                 ipar = const_cast<unsigned long*>( rpA->ipar() );
  ++ipar[1];
  if ( Long64_t( ipar[1] ) <= tree->GetEntries() ) {
    GenericAddress*  pA = nullptr;
    Cont&            it = tupl->items();
    size_t           k, n = it.size();
    vector<RootRef*> paddr( n );
    vector<RootRef>  addr( n );
    for ( k = 0; k < n; ++k ) {
      Cont::value_type j = it[k];
      switch ( j->type() ) {
      case DataTypeInfo::OBJECT_ADDR:
        paddr[k] = &addr[k];
        tree->SetBranchAddress( j->name().c_str(), &paddr[k] );
        break;
      default:
        break;
      }
    }
 
    ULong64_t         last = tree->GetEntries();
    ISelectStatement* sel  = tupl->selector();
    if ( sel ) {
      string criteria = ( sel && ( sel->type() & ISelectStatement::STRING ) ) ? sel->criteria() : string( "" );
      if ( !( criteria.length() == 0 || criteria == "*" ) ) {
        if ( rpA->select == nullptr ) {
          log() << MSG::DEBUG << "Selection criteria: " << criteria << "  " << ipar[1] << endmsg;
          rpA->select = new TTreeFormula( tree->GetName(), criteria.c_str(), tree );
        }
        rpA->select->SetTree( tree );
        for ( ; ipar[1] < last; ++ipar[1] ) { // loop on all selected entries
          tree->LoadTree( ipar[1] );
          rpA->select->GetNdata();
          if ( fabs( rpA->select->EvalInstance( 0 ) ) > std::numeric_limits<double>::epsilon() ) { break; }
          log() << MSG::DEBUG << par[0] << "/" << par[1] << " SKIP Entry: " << ipar[1] << endmsg;
        }
      }
    }
    if ( ipar[1] < last ) {
      unsigned long entry = ipar[1];
      if ( tree->GetEntry( entry ) > 1 ) {
        RootRef* r    = nullptr;
        string*  spar = nullptr;
        for ( k = 0; k < n; ++k ) {
          Cont::value_type j = it[k];
          switch ( j->type() ) {
          case DataTypeInfo::OBJECT_ADDR:
            r  = paddr[k];
            pA = ( *(GenericAddress**)j->buffer() );
            if ( pA ) { // Fill only if item is connected!
              spar = const_cast<string*>( pA->par() );
              ipar = const_cast<unsigned long*>( pA->ipar() );
              log() << MSG::DEBUG;
              pair<const RootRef*, const RootDataConnection::ContainerSection*> ls =
                  con->getMergeSection( tree->GetName(), entry );
              if ( ls.first ) {
                if ( ls.first->dbase >= 0 ) {
                  // Now patch the references and links 'en block' to be efficient
                  // First the leafs from the TES
 
                  r->dbase += ls.first->dbase;
                  r->container += ls.first->container;
                  r->link += ls.first->link;
 
                  if ( log().isActive() ) {
                    log() << "Refs: LS [" << entry << "] -> " << ls.first->dbase << "," << ls.first->container << ","
                          << ls.first->link << "," << ls.first->entry << " DB:" << con->getDb( r->dbase ) << endmsg;
                  }
                }
              }
              spar[0] = con->getDb( r->dbase );
              spar[1] = con->getCont( r->container );
              spar[2] = con->getLink( r->link );
              ipar[0] = 0;
              ipar[1] = r->entry;
              pA->setClID( r->clid );
              pA->setSvcType( r->svc );
              break;
            }
            break;
          default:
            break;
          }
        }
        return StatusCode::SUCCESS;
      }
      log() << MSG::ERROR << "Failed to read data from NTuple tree." << endmsg;
      return StatusCode::FAILURE;
    }
    log() << MSG::INFO << "End of input Ntuple." << endmsg;
    return StatusCode::FAILURE;
  }
  return StatusCode::FAILURE;
}

updateObj()

StatusCode RootNTupleCnv::updateObj ( IOpaqueAddress * pAddress, DataObject * pObject )

override

Update the transient object: NTuples end here when reading records.

Parameters

pAddress	[IN] Valid pointer to the object's opaque address
pObject	[IN] Valid pointer to DataObject

Returns

Status code indicating success or failure

Definition at line 278 of file RootNTupleCnv.cpp.

                                                                             {
  INTuple*     tupl = dynamic_cast<INTuple*>( pObj );
  RootAddress* rpA  = dynamic_cast<RootAddress*>( pAddr );
  if ( !tupl || !rpA ) return makeError( "updateObj> Invalid Tuple reference." );
  RootDataConnection* con = reinterpret_cast<RootDataConnection*>( rpA->ipar()[0] );
  if ( !con ) return makeError( "updateObj> Failed to access data source!" );
  TTree* tree = rpA->section;
  if ( !tree ) return makeError( "Failed to access data tree:" + pAddr->par()[1] );
  con->resetAge();
  if ( con->tool()->refs() ) return i__updateObjRoot( rpA, tupl, tree, con );
  return makeError( "Failed to access reference branch for data tree:" + rpA->par()[1] );
}

updateObjRefs()

StatusCode Gaudi::RootNTupleCnv::updateObjRefs ( IOpaqueAddress * , DataObject *  )

inlineoverride

Converter overrides: Update the references of an updated transient object.

Parameters

pAddress	[IN] Valid pointer to the object's opaque address
pObject	[IN] Valid pointer to DataObject

Returns

Status code indicating success or failure

Definition at line 120 of file RootNTupleCnv.h.

                                                                          {
      return StatusCode::SUCCESS;
    }

updateRep()

StatusCode Gaudi::RootNTupleCnv::updateRep ( IOpaqueAddress * , DataObject *  )

inlineoverride

Converter overrides: Update the converted representation of a transient object.

Parameters

pAddress	[IN] Valid pointer to the object's opaque address
pObject	[IN] Valid pointer to DataObject

Returns

Status code indicating success or failure

Definition at line 132 of file RootNTupleCnv.h.

                                                                      {
      return StatusCode::SUCCESS;
    }

updateRepRefs()

StatusCode Gaudi::RootNTupleCnv::updateRepRefs ( IOpaqueAddress * , DataObject *  )

inlineoverride

Converter overrides: Update the converted representation of a transient object.

Parameters

pAddress	[IN] Valid pointer to the object's opaque address
pObject	[IN] Valid pointer to DataObject

Returns

Status code indicating success or failure

Definition at line 144 of file RootNTupleCnv.h.

                                                                          {
      return StatusCode::SUCCESS;
    }

---

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

• RootCnv/include/RootCnv/RootNTupleCnv.h
• RootCnv/src/RootNTupleCnv.cpp