The Gaudi Framework  master (37c0b60a)
RootHistCnv::RFileCnv Class Reference

#include </builds/gaudi/Gaudi/RootHistCnv/src/RFileCnv.h>

Inheritance diagram for RootHistCnv::RFileCnv:
Collaboration diagram for RootHistCnv::RFileCnv:

Public Member Functions

StatusCode initialize () override
 Initialise. More...
 
StatusCode createObj (IOpaqueAddress *pAddress, DataObject *&refpObject) override
 Create the transient representation of an object. More...
 
StatusCode createRep (DataObject *pObject, IOpaqueAddress *&refpAddress) override
 Convert the transient object to the requested representation. More...
 
StatusCode updateRep (IOpaqueAddress *pAddress, DataObject *pObject) override
 Convert the transient object to the requested representation. More...
 
 RFileCnv (ISvcLocator *svc)
 Standard constructor. More...
 
- Public Member Functions inherited from RootHistCnv::RDirectoryCnv
StatusCode createObj (IOpaqueAddress *pAddr, DataObject *&refpObj) override
 Create the transient representation of an object. More...
 
StatusCode fillObjRefs (IOpaqueAddress *pAddr, DataObject *refpObj) override
 Update the transient object from the other representation. More...
 
StatusCode createRep (DataObject *pObj, IOpaqueAddress *&refpAddr) override
 Convert the transient object to the requested representation. More...
 
StatusCode updateRep (IOpaqueAddress *pAddr, DataObject *pObject) override
 Convert the transient object to the requested representation. More...
 
 RDirectoryCnv (ISvcLocator *svc)
 Standard constructor. More...
 
 RDirectoryCnv (ISvcLocator *svc, const CLID &clid)
 Standard constructor. More...
 
- Public Member Functions inherited from RootHistCnv::RConverter
StatusCode createRep (DataObject *pObj, IOpaqueAddress *&refpAddr) override
 Convert the transient object to the requested representation. More...
 
long repSvcType () const override
 
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
StatusCode initialize () override
 Initialize the converter. More...
 
StatusCode finalize () override
 Initialize the converter. More...
 
StatusCode setDataProvider (IDataProviderSvc *svc) override
 Set Data provider service. More...
 
SmartIF< IDataProviderSvc > & dataProvider () const override
 Get Data provider service. 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...
 
const CLIDobjType () const override
 Retrieve the class type of objects the converter produces. More...
 
virtual long i_repSvcType () const
 Retrieve the class type of the data store the converter uses. More...
 
StatusCode createObj (IOpaqueAddress *pAddress, DataObject *&refpObject) override
 Create the transient representation of an object. More...
 
StatusCode fillObjRefs (IOpaqueAddress *pAddress, DataObject *pObject) override
 Resolve the references of the created transient object. More...
 
StatusCode updateObj (IOpaqueAddress *pAddress, DataObject *refpObject) override
 Update the transient object from the other representation. More...
 
StatusCode updateObjRefs (IOpaqueAddress *pAddress, DataObject *pObject) override
 Update the references of an updated transient object. More...
 
StatusCode createRep (DataObject *pObject, IOpaqueAddress *&refpAddress) override
 Convert the transient object to the requested representation. More...
 
StatusCode fillRepRefs (IOpaqueAddress *pAddress, DataObject *pObject) override
 Resolve the references of the converted object. More...
 
StatusCode updateRep (IOpaqueAddress *pAddress, DataObject *pObject) override
 Update the converted representation of a transient object. More...
 
StatusCode updateRepRefs (IOpaqueAddress *pAddress, DataObject *pObject) override
 Update the references of an already converted object. More...
 
 Converter (long storage_type, const CLID &class_type, ISvcLocator *svc=0)
 Standard Constructor. More...
 
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. More...
 
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. More...
 
SmartIF< IServiceservice (const std::string &name, const bool createIf=true) const
 Return a pointer to the service identified by name (or "type/name") More...
 
- Public Member Functions inherited from implements< IConverter >
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::stringgetInterfaceNames () const override
 Implementation of IInterface::getInterfaceNames. More...
 
 implements ()=default
 Default constructor. More...
 
 implements (const implements &)
 Copy constructor (zero the reference count) More...
 
implementsoperator= (const implements &)
 Assignment operator (do not touch the reference count). More...
 
unsigned long addRef () override
 Reference Interface instance
More...
 
unsigned long release () override
 Release Interface instance
More...
 
unsigned long refCount () const override
 Current reference count
More...
 

Static Public Member Functions

static const CLIDclassID ()
 Inquire class type. More...
 
- Static Public Member Functions inherited from RootHistCnv::RDirectoryCnv
static const CLIDclassID ()
 Inquire class type. More...
 
- Static Public Member Functions inherited from RootHistCnv::RConverter
static long storageType ()
 Inquire storage type. More...
 

Protected Attributes

TFile * rfile { nullptr }
 Pointer to ROOT file. More...
 
std::string m_compLevel
 Compression setting, property RFileCnv.GlobalCompression. More...
 
SmartIF< IIncidentSvcm_incSvc
 
- Protected Attributes inherited from implements< IConverter >
std::atomic_ulong m_refCount
 Reference counter
More...
 

Additional Inherited Members

- Public Types inherited from Converter
using Factory = Gaudi::PluginService::Factory< IConverter *(ISvcLocator *)>
 
- Public Types inherited from implements< IConverter >
using base_class = implements< Interfaces... >
 Typedef to this class. More...
 
using extend_interfaces_base = extend_interfaces< Interfaces... >
 Typedef to the base of this class. More...
 
using iids = typename extend_interfaces_base::ext_iids
 
- 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...
 
- Protected Member Functions inherited from RootHistCnv::RConverter
 RConverter (const CLID &clid, ISvcLocator *svc)
 Standard constructor. More...
 
virtual StatusCode readObject (IOpaqueAddress *pAddr, DataObject *&refpObj)
 Create the transient representation of an object. More...
 
virtual TObject * createPersistent (DataObject *pObj)
 Create the persistent representation of an object. More...
 
StatusCode createAddress (DataObject *pObject, TDirectory *pDir, TObject *pTObject, IOpaqueAddress *&refpAddr)
 Create address of the transient object according to the requested representation. More...
 
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) More...
 
- Protected Member Functions inherited from Converter
SmartIF< ISvcLocator > & serviceLocator () const
 Retrieve pointer to service locator. More...
 
SmartIF< IMessageSvc > & msgSvc () const
 Retrieve pointer to message service. More...
 
SmartIF< IDataManagerSvc > & dataManager () const
 Get Data Manager service. More...
 

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 33 of file RFileCnv.h.

Constructor & Destructor Documentation

◆ RFileCnv()

RootHistCnv::RFileCnv::RFileCnv ( ISvcLocator svc)

Standard constructor.

Definition at line 37 of file RFileCnv.cpp.

37 : RDirectoryCnv( svc, classID() ) {}

Member Function Documentation

◆ classID()

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

Inquire class type.

Definition at line 49 of file RFileCnv.h.

49 { return CLID_NTupleFile; }

◆ createObj()

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

Create the transient representation of an object.

Definition at line 60 of file RFileCnv.cpp.

62 {
63  MsgStream log( msgSvc(), "RFileCnv" );
64  unsigned long* ipar = (unsigned long*)pAddress->ipar();
65  char mode[2] = { char( ipar[1] ), 0 };
66 
67  std::string fname = pAddress->par()[0]; // Container name
68  std::string ooname = pAddress->par()[1]; // Object name
69 
70  const std::string* spar = pAddress->par();
71  // Strip of store name to get the top level RZ directory
72  std::string oname = spar[1].substr( spar[1].find( "/", 1 ) + 1 );
73 
74  // Protect against multiple instances of TROOT
75  if ( !gROOT ) {
76  static TROOT root( "root", "ROOT I/O" );
77  // gDebug = 99;
78  } else {
79  log << MSG::VERBOSE << "ROOT already initialized, debug = " << gDebug << endmsg;
80  }
81 
82  // Determine access mode:
83 
84  if ( mode[0] == 'O' ) {
85 
86  if ( findTFile( ooname, rfile ).isFailure() ) {
87 
88  log << MSG::INFO << "opening Root file \"" << fname << "\" for reading" << endmsg;
89 
90  rfile = TFile::Open( fname.c_str(), "READ" );
91  if ( rfile && rfile->IsOpen() ) {
92  regTFile( ooname, rfile ).ignore();
93 
94  ipar[0] = (unsigned long)rfile;
95  NTuple::File* pFile = new NTuple::File( objType(), fname, oname );
96  pFile->setOpen( true );
97  refpObject = pFile;
98 
99  return StatusCode::SUCCESS;
100 
101  } else {
102  log << MSG::ERROR << "Couldn't open \"" << fname << "\" for reading" << endmsg;
103  return StatusCode::FAILURE;
104  }
105 
106  } else {
107  log << MSG::DEBUG << "Root file \"" << fname << "\" already opened" << endmsg;
108  return StatusCode::SUCCESS;
109  }
110 
111  } else if ( mode[0] == 'U' ) {
112 
113  log << MSG::INFO << "opening Root file \"" << fname << "\" for updating" << endmsg;
114 
115  log << MSG::ERROR << "don't know how to do this yet. Aborting." << endmsg;
116  exit( 1 );
117 
118  } else if ( mode[0] == 'N' ) {
119 
120  log << MSG::INFO << "opening Root file \"" << fname << "\" for writing";
121  if ( !m_compLevel.empty() ) { log << ", CompressionLevel='" << m_compLevel << "'"; }
122  log << endmsg;
123 
124  rfile = TFile::Open( fname.c_str(), "RECREATE", "Gaudi Trees" );
125  if ( !( rfile && rfile->IsOpen() ) ) {
126  log << MSG::ERROR << "Could not open file " << fname << " for writing" << endmsg;
127  return StatusCode::FAILURE;
128  }
129  if ( !m_compLevel.empty() ) {
130  const RootCompressionSettings settings( m_compLevel );
131  rfile->SetCompressionSettings( settings.level() );
132  }
133 
134  regTFile( ooname, rfile ).ignore();
135 
136  log << MSG::DEBUG << "creating ROOT file " << fname << endmsg;
137  m_incSvc->fireIncident( ContextIncident<TFile*>( fname, "CONNECTED_NTUPLE_OUTPUT", rfile ) );
138 
139  ipar[0] = (unsigned long)rfile;
140  NTuple::File* pFile = new NTuple::File( objType(), fname, oname );
141  pFile->setOpen( true );
142  refpObject = pFile;
143  return StatusCode::SUCCESS;
144 
145  } else {
146 
147  log << MSG::ERROR << "Uknown mode to access ROOT file" << endmsg;
148  return StatusCode::FAILURE;
149  }
150 
151  return StatusCode::FAILURE;
152 }

◆ createRep()

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

Convert the transient object to the requested representation.

Definition at line 155 of file RFileCnv.cpp.

157 {
158  refpAddress = pObject->registry()->address();
159  return RFileCnv::updateRep( refpAddress, pObject );
160 }

◆ initialize()

StatusCode RootHistCnv::RFileCnv::initialize ( )
override

Initialise.

Definition at line 40 of file RFileCnv.cpp.

40  {
41  // Set compression level property ...
42  const auto& optsSvc = serviceLocator()->getOptsSvc();
43  if ( optsSvc.has( "RFileCnv.GlobalCompression" ) ) {
44  auto sc = Gaudi::Parsers::parse( m_compLevel, optsSvc.get( "RFileCnv.GlobalCompression" ) );
45  if ( !sc ) return sc;
46  }
47  // initialise base class
48  return RDirectoryCnv::initialize().andThen( [&]() {
49  m_incSvc = service( "IncidentSvc" );
50  if ( !m_incSvc ) {
51  MsgStream( msgSvc() ) << MSG::ERROR << "Cannot access IncidentSvc" << endmsg;
52  return StatusCode::FAILURE;
53  }
54  return StatusCode::SUCCESS;
55  } );
56 }

◆ updateRep()

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

Convert the transient object to the requested representation.

Definition at line 163 of file RFileCnv.cpp.

165 {
166  MsgStream log( msgSvc(), "RFileCnv" );
167  std::string ooname = pAddress->par()[1];
168 
169  NTuple::File* pFile = dynamic_cast<NTuple::File*>( pObject );
170  if ( pFile && pFile->isOpen() ) {
171 
172  unsigned long* ipar = (unsigned long*)pAddress->ipar();
173  if ( findTFile( ooname, rfile ).isFailure() ) {
174  log << MSG::ERROR << "Problems closing TFile " << ooname << endmsg;
175  return StatusCode::FAILURE;
176  }
177 
178  rfile->Write( nullptr, TObject::kOverwrite );
179  if ( log.level() <= MSG::INFO ) {
180  log << MSG::INFO << "dumping contents of " << ooname << endmsg;
181  rfile->Print();
182  }
183 
184  /*
185  * MetaData
186  * Ana Trisovic
187  * March 2015
188  * */
190  mds = serviceLocator()->service( "Gaudi::MetaDataSvc", false );
191  // auto mds = service<IMetaDataSvc>("MetaDataSvc", false);
192  if ( mds ) {
193  std::map<std::string, std::string> m_metadata = mds->getMetaDataMap();
194  if ( !rfile->WriteObject( &m_metadata, "info" ) ) { return StatusCode::FAILURE; }
195  }
196  /* */
197 
198  rfile->Close();
199  delete rfile;
200 
201  ipar[0] = 0;
202  pFile->setOpen( false );
203  return StatusCode::SUCCESS;
204 
205  } else {
206  log << MSG::ERROR << "TFile " << ooname << " is not open" << endmsg;
207  }
208  return StatusCode::FAILURE;
209 }

Member Data Documentation

◆ m_compLevel

std::string RootHistCnv::RFileCnv::m_compLevel
protected

Compression setting, property RFileCnv.GlobalCompression.

Definition at line 56 of file RFileCnv.h.

◆ m_incSvc

SmartIF<IIncidentSvc> RootHistCnv::RFileCnv::m_incSvc
protected

Definition at line 57 of file RFileCnv.h.

◆ rfile

TFile* RootHistCnv::RFileCnv::rfile { nullptr }
protected

Pointer to ROOT file.

Definition at line 55 of file RFileCnv.h.


The documentation for this class was generated from the following files:
RootHistCnv::RFileCnv::classID
static const CLID & classID()
Inquire class type.
Definition: RFileCnv.h:49
MSG::DEBUG
@ DEBUG
Definition: IMessageSvc.h:25
RootHistCnv::RFileCnv::updateRep
StatusCode updateRep(IOpaqueAddress *pAddress, DataObject *pObject) override
Convert the transient object to the requested representation.
Definition: RFileCnv.cpp:163
NTuple::File
Small class representing an N tuple file in the transient store.
Definition: NTuple.h:923
std::string
STL class.
IOpaqueAddress::par
virtual const std::string * par() const =0
Retrieve String parameters.
Gaudi.Configuration.log
log
Definition: Configuration.py:28
StatusCode::andThen
StatusCode andThen(F &&f, ARGS &&... args) const
Chain code blocks making the execution conditional a success result.
Definition: StatusCode.h:163
MSG::INFO
@ INFO
Definition: IMessageSvc.h:25
RootHistCnv::RFileCnv::rfile
TFile * rfile
Pointer to ROOT file.
Definition: RFileCnv.h:55
Gaudi::Parsers::parse
StatusCode parse(GaudiUtils::HashMap< K, V > &result, std::string_view input)
Basic parser for the types of HashMap used in DODBasicMapper.
Definition: DODBasicMapper.cpp:21
std::find
T find(T... args)
ContextIncident
Definition: DataIncident.h:26
gaudiComponentHelp.root
root
Definition: gaudiComponentHelp.py:42
RootHistCnv::RConverter::findTFile
StatusCode findTFile(const std::string &, TFile *&)
Definition: RConverter.cpp:289
RootHistCnv::RFileCnv::m_incSvc
SmartIF< IIncidentSvc > m_incSvc
Definition: RFileCnv.h:57
RootHistCnv::RConverter::regTFile
StatusCode regTFile(const std::string &, const TFile *)
Definition: RConverter.cpp:274
std::string::c_str
T c_str(T... args)
Converter::serviceLocator
SmartIF< ISvcLocator > & serviceLocator() const
Retrieve pointer to service locator.
Definition: Converter.cpp:102
SmartIF
Definition: IConverter.h:25
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:202
Converter::objType
const CLID & objType() const override
Retrieve the class type of objects the converter produces.
Definition: Converter.cpp:23
std::map< std::string, std::string >
MsgStream
Definition: MsgStream.h:33
RootHistCnv::RFileCnv::m_compLevel
std::string m_compLevel
Compression setting, property RFileCnv.GlobalCompression.
Definition: RFileCnv.h:56
StatusCode::ignore
const StatusCode & ignore() const
Allow discarding a StatusCode without warning.
Definition: StatusCode.h:139
std::string::substr
T substr(T... args)
IRegistry::address
virtual IOpaqueAddress * address() const =0
Retrieve opaque storage address.
StatusCode::isFailure
bool isFailure() const
Definition: StatusCode.h:129
MSG::VERBOSE
@ VERBOSE
Definition: IMessageSvc.h:25
StatusCode::SUCCESS
constexpr static const auto SUCCESS
Definition: StatusCode.h:100
Converter::service
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.
Definition: Converter.h:99
MSG::ERROR
@ ERROR
Definition: IMessageSvc.h:25
RootHistCnv::RDirectoryCnv::RDirectoryCnv
RDirectoryCnv(ISvcLocator *svc)
Standard constructor.
Definition: RDirectoryCnv.h:39
std::string::empty
T empty(T... args)
NTuple::File::setOpen
void setOpen(bool flag)
Set "open" flag.
Definition: NTuple.h:957
NTuple::File::isOpen
bool isOpen() const
Access "open" flag.
Definition: NTuple.h:959
Converter::initialize
StatusCode initialize() override
Initialize the converter.
Definition: Converter.cpp:53
Converter::msgSvc
SmartIF< IMessageSvc > & msgSvc() const
Retrieve pointer to message service.
Definition: Converter.cpp:105
StatusCode::FAILURE
constexpr static const auto FAILURE
Definition: StatusCode.h:101
DataObject::registry
IRegistry * registry() const
Get pointer to Registry.
Definition: DataObject.h:78
std::exit
T exit(T... args)
IOpaqueAddress::ipar
virtual const unsigned long * ipar() const =0
Access to generic link parameters.