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RootHistCnv::RRWNTupleCnv Class Reference

Row wise NTuple converter class definition. More...

`#include <RRWNTupleCnv.h>`

Inheritance diagram for RootHistCnv::RRWNTupleCnv:
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Collaboration diagram for RootHistCnv::RRWNTupleCnv:
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## Public Member Functions
| RRWNTupleCnv (ISvcLocator *svc)
| Standard constructor.
virtual | ~RRWNTupleCnv ()
| Standard destructor.
Public Member Functions inherited from RootHistCnv::RNTupleCnv
virtual StatusCode | initialize ()
| Initialize the converter.
virtual StatusCode | finalize ()
| Finalize the converter.
virtual StatusCode | createObj (IOpaqueAddress *pAddr, DataObject *&refpObj)
| Create the transient representation of an object.
virtual StatusCode | updateObj (IOpaqueAddress *pAddr, DataObject *refpObj)
| Update the transient object from the other representation.
virtual StatusCode | createRep (DataObject *pObj, IOpaqueAddress *&refpAddr)
| Convert the transient object to the requested representation.
virtual StatusCode | updateRep (IOpaqueAddress *pAddr, DataObject *pObj)
| Update the converted representation of a transient object.
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 | 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 | fillObjRefs (IOpaqueAddress *pAddress, DataObject *pObject)
| Resolve the references of the created transient object.
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.

## Protected Member Functions
virtual StatusCode | load (TTree *tree, INTuple *&refpObject)
| Create the transient representation of an object.
virtual StatusCode | book (const std::string &desc, INTuple *pObject, TTree *&tree)
| Book the N tuple.
virtual StatusCode | writeData (TTree *rtree, INTuple *pObject)
| Write N tuple data.
virtual StatusCode | readData (TTree *rtree, INTuple *pObject, long ievt)
| Read N tuple data.
Protected Member Functions inherited from RootHistCnv::RNTupleCnv
| RNTupleCnv (ISvcLocator *svc, const CLID &clid)
| Standard constructor.
virtual | ~RNTupleCnv ()
| Standard destructor.
virtual std::string | rootVarType (int)
| Return ROOT type info:
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)
Protected Member Functions inherited from Converter
virtual | ~Converter ()
| Standard Destructor.
SmartIF< ISvcLocator > & | serviceLocator () const
| Retrieve pointer to service locator.
SmartIF< IMessageSvc > & | msgSvc () const
| Retrieve pointer to message service.
SmartIF< IMessageSvc > & | messageService () const
SmartIF< IDataManagerSvc > & | dataManager () const
| Get Data Manager service.

## Additional Inherited Members
Public Types inherited from Converter
typedef Gaudi::PluginService::Factory1 < IConverter *, ISvcLocator * > | Factory
Protected Attributes inherited from RootHistCnv::RNTupleCnv
SmartIF< INTupleSvc > | m_ntupleSvc
| Reference to N tuple service.

## Detailed Description

Row wise NTuple converter class definition.

Author
  Charles Leggett

Definition at line 18 of file RRWNTupleCnv.h.

## Constructor & Destructor Documentation

RootHistCnv::RRWNTupleCnv::RRWNTupleCnv | ( | ISvcLocator * | svc | ) |
| inline

Standard constructor.

Definition at line 26 of file RRWNTupleCnv.h.

: RNTupleCnv(svc, classID()) {
}

virtual RootHistCnv::RRWNTupleCnv::~RRWNTupleCnv | ( |  | ) |
| inline virtual

Standard destructor.

Definition at line 29 of file RRWNTupleCnv.h.

{
}

## Member Function Documentation

StatusCode RootHistCnv::RRWNTupleCnv::book | ( | const std::string & | desc,
|  | INTuple * | pObject,
|  | TTree *& | tree
| ) |  |
| protected virtual

Book the N tuple.

Implements RootHistCnv::RNTupleCnv.

Definition at line 16 of file RRWNTupleCnv.cpp.

{
MsgStream log(msgSvc(), "RRWNTupleCnv");
const INTuple::ItemContainer& itms = nt->items();
// Book the tree
rtree = new TTree(desc.c_str(),nt->title().c_str());
// Add the branches
for (size_t length = itms.size(), i = 0; i < length; i++ ) {
const char* itm = itms[i]->name().c_str();
std::string tag = itm;
tag += rootVarType( itms[i]->type() );
// add the branch
log << MSG::INFO << "ID " << desc << ": added branch: "
<< itm << " / " << tag << endmsg;
rtree->Branch(itm,const_cast<void*>(itms[i]->buffer()),tag.c_str());
}
log << MSG::INFO << "Booked TTree with ID:" << desc
<< " \"" << nt->title() << "\"" << endmsg;
return StatusCode::SUCCESS;
}

static const CLID& RootHistCnv::RRWNTupleCnv::classID | ( |  | ) |
| inline static

Inquire class type.

Definition at line 21 of file RRWNTupleCnv.h.

{
return CLID_RowWiseTuple;
}

StatusCode RootHistCnv::RRWNTupleCnv::load | ( | TTree * | tree,
|  | INTuple *& | refpObject
| ) |  |
| protected virtual

Create the transient representation of an object.

Implements RootHistCnv::RNTupleCnv.

Definition at line 68 of file RRWNTupleCnv.cpp.

{
return StatusCode::FAILURE;
}

StatusCode RootHistCnv::RRWNTupleCnv::readData | ( | TTree * | rtree,
|  | INTuple * | pObject,
|  | long | ievt
| ) |  |
| protected virtual

Read N tuple data.

Implements RootHistCnv::RNTupleCnv.

Definition at line 59 of file RRWNTupleCnv.cpp.

{
return StatusCode::FAILURE;
}

StatusCode RootHistCnv::RRWNTupleCnv::writeData | ( | TTree * | rtree,
|  | INTuple * | pObject
| ) |  |
| protected virtual

Write N tuple data.

Implements RootHistCnv::RNTupleCnv.

Definition at line 41 of file RRWNTupleCnv.cpp.

{
if ( 0 != rtree ) {
// Fill the tree;
rtree->Fill();
// Reset the NTuple
nt->reset();
return StatusCode::SUCCESS;
}
MsgStream log(msgSvc(), "RRWNTupleCnv");
log << MSG::ERROR << "Attempt to write invalid N-tuple.";
if ( nt != 0 ) log << nt->title();
log << endmsg;
return StatusCode::FAILURE;
}

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

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v25r0/RootHistCnv/src/RRWNTupleCnv.h
- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v25r0/RootHistCnv/src/RRWNTupleCnv.cpp