| The Gaudi Framework v29r0 (ff2e7097)

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Gaudi::RootDataConnection Class Reference

Concrete implementation of the IDataConnection interface to access ROOT files. More...

`#include <GaudiRootCnv/RootDataConnection.h>`

Inheritance diagram for Gaudi::RootDataConnection:
[legend]
Collaboration diagram for Gaudi::RootDataConnection:
[legend]

## Classes
class | ContainerSection
| Internal helper class, which described a TBranch section in a ROOT file. More...
class | Tool
| Helper class to facilitate an abstraction layer for reading POOL style files with this package. More...

## Public Types
enum | { ROOT_READ_ERROR = 0x2, ROOT_OPEN_ERROR = 0x4 }
typedef std::vector< std::string > | StringVec
| Type definition for string maps. More...
typedef std::vector< std::pair< std::string, std::string > > | ParamMap
| Type definition for the parameter map. More...
typedef std::map< std::string, TTree * > | Sections
| Definition of tree sections. More...
typedef std::vector< ContainerSection > | ContainerSections
| Definition of container sections to handle merged files. More...
typedef std::map< std::string, ContainerSections > | MergeSections
| Definition of database section to handle merged files. More...
typedef std::vector< RootRef > | LinkSections
| Link sections definition. More...
typedef std::set< const IInterface * > | Clients
| Client set. More...
Public Types inherited from Gaudi::IDataConnection
enum | IoType { READ = 1 << 1, UPDATE = 1 << 2, CREATE = 1 << 3, RECREATE = ( 1 << 4 ) + ( 1 << 3 ) }
| I/O Connection types. More...
enum | IoStatus { BAD_DATA_CONNECTION = 4 }
| Status Code on bad file connection. More...

## Public Member Functions
MsgStream & | msgSvc () const
| Allow access to printer service. More...
Tool * | makeTool ()
| Create file access tool to encapsulate POOL compatibiliy. More...
| RootDataConnection (const IInterface *own, const std::string &nam, std::shared_ptr< RootConnectionSetup > setup)
| Standard constructor. More...
| ~RootDataConnection () override=default
| Standard destructor. More...
TFile * | file () const
| Direct access to TFile structure. More...
bool | isConnected () const override
| Check if connected to data source. More...
bool | isWritable () const
| Is the file writable? More...
Tool * | tool () const
| Access tool. More...
const MergeSections & | mergeSections () const
| Access merged data section inventory. More...
const StringVec & | mergeFIDs () const
| Access merged FIDs. More...
void | addClient (const IInterface *client)
| Add new client to this data source. More...
size_t | removeClient (const IInterface *client)
| Remove client from this data source. More...
bool | lookupClient (const IInterface *client) const
| Lookup client for this data source. More...
void | badWriteError (const std::string &msg) const
| Error handler when bad write statements occur. More...
std::pair< const RootRef *, const ContainerSection * > | getMergeSection (const std::string &container, int entry) const
| Access link section for single container and entry. More...
void | enableStatistics (const std::string &section)
| Enable TTreePerStats. More...
void | saveStatistics (const std::string &statisticsFile)
| Save TTree access statistics if required. More...
int | loadObj (const std::string &section, const std::string &cnt, unsigned long entry, DataObject *&pObj)
| Load object. More...
int | loadRefs (const std::string &section, const std::string &cnt, unsigned long entry, RootObjectRefs &refs)
| Load references object. More...
std::pair< int, unsigned long > | saveObj (const std::string &section, const std::string &cnt, TClass *cl, DataObject *pObj, int buff_siz, int split_lvl, bool fill_missing=false)
| Save object of a given class to section and container. More...
std::pair< int, unsigned long > | save (const std::string &section, const std::string &cnt, TClass *cl, void *pObj, int buff_siz, int split_lvl, bool fill_missing=false)
| Save object of a given class to section and container. More...
StatusCode | connectRead () override
| Open data stream in read mode. More...
StatusCode | connectWrite (IoType typ) override
| Open data stream in write mode. More...
StatusCode | disconnect () override
| Release data stream and release implementation dependent resources. More...
StatusCode | read (void *const, size_t) override
| Read root byte buffer from input stream. More...
StatusCode | write (const void *, int) override
| Write root byte buffer to output stream. More...
long long int | seek (long long int, int) override
| Seek on the file described by ioDesc. Arguments as in ::seek() More...
TTree * | getSection (const std::string &sect, bool create=false)
| Access TTree section from section name. The section is created if required. More...
TBranch * | getBranch (const std::string &section, const std::string &branch_name)
| Access data branch by name: Get existing branch in read only mode. More...
TBranch * | getBranch (const std::string &section, const std::string &branch_name, TClass *cl, void *ptr, int buff_siz, int split_lvl)
| Access data branch by name: Get existing branch in write mode. More...
void | makeRef (IRegistry *pA, RootRef &ref)
| Create reference object from registry entry. More...
void | makeRef (const std::string &name, long clid, int tech, const std::string &db, const std::string &cnt, int entry, RootRef &ref)
| Create reference object from values. More...
int | makeLink (const std::string &p)
| Convert path string to path index. More...
const std::string & | getDb (int which) const
| Access database/file name from saved index. More...
const std::string & | getCont (int which) const
| Access container name from saved index. More...
const std::string & | getLink (int which) const
| Access link name from saved index. More...
Public Member Functions inherited from Gaudi::IDataConnection
| IDataConnection (const IInterface *own, std::string nam)
| Standard constructor. More...
virtual | ~IDataConnection ()=default
| Standard destructor. More...
const std::string & | name () const
| Connection name. More...
void | setFID (std::string fid)
| Set file ID. More...
const std::string & | fid () const
| Access file id. More...
const std::string & | pfn () const
| Access physical file name. More...
void | setPFN (std::string fn)
| Set physical file name. More...
int | ageFile ()
| Increase age of I/O source. More...
void | resetAge ()
| Reset age. More...
int | age () const
| Access age counter. More...
const IInterface * | owner () const
| Owner instance. More...

## Public Attributes
std::unique_ptr< Tool > | m_tool

## Protected Member Functions
const std::string & | empty () const
| Empty string reference. More...
StatusCode | saveRefs ()
| Internal helper to save/update reference tables. More...

## Protected Attributes
std::shared_ptr< RootConnectionSetup > | m_setup
| Reference to the setup structure. More...
std::unique_ptr< TTreePerfStats > | m_statistics
| I/O read statistics from TTree. More...
std::unique_ptr< TFile > | m_file
| Reference to ROOT file. More...
TTree * | m_refs = nullptr
| Pointer to the reference tree. More...
Sections | m_sections
| Tree sections in TFile. More...
StringVec | m_dbs
| Map containing external database file names (fids) More...
StringVec | m_conts
| Map containing external container names. More...
StringVec | m_links
| Map containing internal links names. More...
StringVec | m_mergeFIDs
| Map containing merge FIDs. More...
ParamMap | m_params
| Parameter map for file parameters. More...
MergeSections | m_mergeSects
| Database section map for merged files. More...
LinkSections | m_linkSects
| Database link sections. More...
Clients | m_clients
| Client list. More...
std::string | m_empty
| Buffer for empty string reference. More...
Protected Attributes inherited from Gaudi::IDataConnection
std::string | m_name
| Connection name/identifier. More...
std::string | m_fid
| File ID of the connection. More...
std::string | m_pfn
| Physical file name of the connection. More...
int | m_age = 0
| Age counter. More...
const IInterface * | m_owner = nullptr
| Owner pointer. More...

## Friends
class | Tool

## Detailed Description

Concrete implementation of the IDataConnection interface to access ROOT files.

Author
  M.Frank

Version
  1.0

Date
  20/12/2009

Definition at line 94 of file RootDataConnection.h.

## Member Typedef Documentation

typedef std::set<const IInterface*> Gaudi::RootDataConnection::Clients

Client set.

Definition at line 144 of file RootDataConnection.h.

typedef std::vector<ContainerSection> Gaudi::RootDataConnection::ContainerSections

Definition of container sections to handle merged files.

Definition at line 138 of file RootDataConnection.h.

typedef std::vector<RootRef> Gaudi::RootDataConnection::LinkSections

Link sections definition.

Definition at line 142 of file RootDataConnection.h.

typedef std::map<std::string, ContainerSections> Gaudi::RootDataConnection::MergeSections

Definition of database section to handle merged files.

Definition at line 140 of file RootDataConnection.h.

typedef std::vector<std::pair<std::string, std::string> > Gaudi::RootDataConnection::ParamMap

Type definition for the parameter map.

Definition at line 134 of file RootDataConnection.h.

typedef std::map<std::string, TTree*> Gaudi::RootDataConnection::Sections

Definition of tree sections.

Definition at line 136 of file RootDataConnection.h.

typedef std::vector<std::string> Gaudi::RootDataConnection::StringVec

Type definition for string maps.

Definition at line 132 of file RootDataConnection.h.

## Member Enumeration Documentation

anonymous enum

Enumerator
ROOT_READ_ERROR |
ROOT_OPEN_ERROR |

Definition at line 97 of file RootDataConnection.h.

97 { ROOT_READ_ERROR = 0x2, ROOT_OPEN_ERROR = 0x4 };
Gaudi::RootDataConnection::ROOT_OPEN_ERROR
Definition: RootDataConnection.h:97
Gaudi::RootDataConnection::ROOT_READ_ERROR
Definition: RootDataConnection.h:97

## Constructor & Destructor Documentation

RootDataConnection::RootDataConnection | ( | const IInterface * | own,
|  | const std::string & | nam,
|  | std::shared_ptr< RootConnectionSetup > | setup
| ) |  |

Standard constructor.

Definition at line 138 of file RootDataConnection.cpp.

140 : IDataConnection( owner, fname ), m_setup( std::move( setup ) )
141 { // 01234567890123456789012345678901234567890
142 // Check if FID: A82A3BD8-7ECB-DC11-8DC0-000423D950B0
143 if ( fname.length() == 36 && fname[8] == '-' && fname[13] == '-' && fname[18] == '-' && fname[23] == '-' ) {
144 m_name = "FID:" + fname;
145 }
146 m_age = 0;
147 m_file.reset();
148 addClient( owner );
149 }
Gaudi::RootDataConnection::addClient
void addClient(const IInterface *client)
Add new client to this data source.
Definition: RootDataConnection.cpp:152
Gaudi::IDataConnection::m_age
int m_age
Age counter.
Definition: IIODataManager.h:35
Gaudi::IDataConnection::m_name
std::string m_name
Connection name/identifier.
Definition: IIODataManager.h:29
Gaudi::IDataConnection::IDataConnection
IDataConnection(const IInterface *own, std::string nam)
Standard constructor.
Definition: IIODataManager.h:47
std::unique_ptr::reset
T reset(T...args)
std::move
T move(T...args)
Gaudi::IDataConnection::owner
const IInterface * owner() const
Owner instance.
Definition: IIODataManager.h:67
Gaudi::RootDataConnection::m_setup
std::shared_ptr< RootConnectionSetup > m_setup
Reference to the setup structure.
Definition: RootDataConnection.h:151
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155

Gaudi::RootDataConnection::~RootDataConnection | ( |  | ) |
| override default

Standard destructor.

## Member Function Documentation

void RootDataConnection::addClient | ( | const IInterface * | client | ) |

Add new client to this data source.

Definition at line 152 of file RootDataConnection.cpp.

152 { m_clients.insert( client ); }
Gaudi::RootDataConnection::m_clients
Clients m_clients
Client list.
Definition: RootDataConnection.h:175
std::set::insert
T insert(T...args)

void RootDataConnection::badWriteError | ( | const std::string & | msg | ) | const

Error handler when bad write statements occur.

Definition at line 170 of file RootDataConnection.cpp.

171 {
172 msgSvc() << MSG::ERROR << "File:" << fid() << "Failed action:" << msg << endmsg;
173 }
Gaudi::IDataConnection::fid
const std::string & fid() const
Access file id.
Definition: IIODataManager.h:55
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
MSG::ERROR
Definition: IMessageSvc.h:16
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209

StatusCode RootDataConnection::connectRead | ( |  | ) |
| override virtual

Open data stream in read mode.

Connect the file in READ mode.

Implements Gaudi::IDataConnection.

Definition at line 215 of file RootDataConnection.cpp.

216 {
217 m_file.reset( TFile::Open( m_pfn.c_str() ) );
218 if ( !m_file || m_file->IsZombie() ) {
219 m_file.reset();
220 return StatusCode::FAILURE;
221 }
222 StatusCode sc = StatusCode::FAILURE;
223 msgSvc() << MSG::DEBUG << "Opened file " << m_pfn << " in mode READ. [" << m_fid << "]" << endmsg << MSG::DEBUG;
224 if ( msgSvc().isActive() ) m_file->ls();
225 msgSvc() << MSG::VERBOSE;
226 if ( msgSvc().isActive() ) m_file->Print();
227 if ( makeTool() ) {
228 sc = m_tool->readRefs();
229 sc.ignore();
230 #if ROOT_VERSION_CODE >= ROOT_VERSION( 5, 33, 0 )
231 if ( sc.getCode() == ROOT_READ_ERROR ) {
232 IIncidentSvc* inc = m_setup->incidentSvc();
233 if ( inc ) {
234 inc->fireIncident( Incident( pfn(), IncidentType::CorruptedInputFile ) );
235 }
236 }
237 #endif
238 }
239 if ( !sc.isSuccess() ) return sc;
240 bool need_fid = m_fid == m_pfn;
241 string fid = m_fid;
242 m_mergeFIDs.clear();
243 for ( auto& elem : m_params ) {
244 if ( elem.first == "FID" ) {
245 m_mergeFIDs.push_back( elem.second );
246 if ( elem.second != m_fid ) {
247 msgSvc() << MSG::DEBUG << "Check FID param:" << elem.second << endmsg;
248 // if ( m_fid == m_pfn ) {
249 m_fid = elem.second;
250 //}
251 }
252 }
253 }
254 if ( !need_fid && fid != m_fid ) {
255 msgSvc() << MSG::ERROR << "FID mismatch:" << fid << "(Catalog) != " << m_fid << "(file)" << endmsg
256 << "for PFN:" << m_pfn << endmsg;
257 return StatusCode::FAILURE;
258 }
259 msgSvc() << MSG::DEBUG << "Using FID " << m_fid << " from params table...." << endmsg << "for PFN:" << m_pfn
260 << endmsg;
261 return sc;
262 }
Gaudi::IDataConnection::fid
const std::string & fid() const
Access file id.
Definition: IIODataManager.h:55
Gaudi::RootDataConnection::m_tool
std::unique_ptr< Tool > m_tool
Definition: RootDataConnection.h:236
StatusCode::FAILURE
Definition: StatusCode.h:31
StatusCode::getCode
unsigned long getCode() const
Get the status code by value.
Definition: StatusCode.h:94
Gaudi::IDataConnection::m_fid
std::string m_fid
File ID of the connection.
Definition: IIODataManager.h:31
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
MSG::DEBUG
Definition: IMessageSvc.h:16
MSG::VERBOSE
Definition: IMessageSvc.h:16
Gaudi::IDataConnection::pfn
const std::string & pfn() const
Access physical file name.
Definition: IIODataManager.h:57
Gaudi::RootDataConnection::m_params
ParamMap m_params
Parameter map for file parameters.
Definition: RootDataConnection.h:169
Gaudi::RootDataConnection::m_mergeFIDs
StringVec m_mergeFIDs
Map containing merge FIDs.
Definition: RootDataConnection.h:167
Gaudi::IDataConnection::m_pfn
std::string m_pfn
Physical file name of the connection.
Definition: IIODataManager.h:33
std::vector::push_back
T push_back(T...args)
Gaudi::RootDataConnection::ROOT_READ_ERROR
Definition: RootDataConnection.h:97
IIncidentSvc::fireIncident
virtual void fireIncident(const Incident &incident)=0
Fire an Incident.
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
std::unique_ptr::reset
T reset(T...args)
std::vector::clear
T clear(T...args)
Gaudi::RootDataConnection::makeTool
Tool * makeTool()
Create file access tool to encapsulate POOL compatibiliy.
Definition: RootDataConnection.cpp:201
Gaudi::RootDataConnection::m_setup
std::shared_ptr< RootConnectionSetup > m_setup
Reference to the setup structure.
Definition: RootDataConnection.h:151
std::string::c_str
T c_str(T...args)
Incident
Base class for all Incidents (computing events).
Definition: Incident.h:17
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
MSG::ERROR
Definition: IMessageSvc.h:16
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155
StatusCode::ignore
void ignore() const
Definition: StatusCode.h:109
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
IIncidentSvc
The interface implemented by the IncidentSvc service.
Definition: IIncidentSvc.h:23

StatusCode RootDataConnection::connectWrite | ( | IoType | typ | ) |
| override virtual

Open data stream in write mode.

Implements Gaudi::IDataConnection.

Definition at line 265 of file RootDataConnection.cpp.

266 {
267 int compress = RootConnectionSetup::compression();
268 msgSvc() << MSG::DEBUG;
269 switch ( typ ) {
270 case CREATE:
271 resetAge();
272 m_file.reset( TFile::Open( m_pfn.c_str(), "CREATE", "Root event data", compress ) );
273 m_refs = new TTree( "Refs", "Root reference data" );
274 msgSvc() << "Opened file " << m_pfn << " in mode CREATE. [" << m_fid << "]" << endmsg;
275 m_params.emplace_back( "PFN", m_pfn );
276 if ( m_fid != m_pfn ) {
277 m_params.emplace_back( "FID", m_fid );
278 }
279 makeTool();
280 break;
281 case RECREATE:
282 resetAge();
283 m_file.reset( TFile::Open( m_pfn.c_str(), "RECREATE", "Root event data", compress ) );
284 msgSvc() << "Opened file " << m_pfn << " in mode RECREATE. [" << m_fid << "]" << endmsg;
285 m_refs = new TTree( "Refs", "Root reference data" );
286 m_params.emplace_back( "PFN", m_pfn );
287 if ( m_fid != m_pfn ) {
288 m_params.emplace_back( "FID", m_fid );
289 }
290 makeTool();
291 break;
292 case UPDATE:
293 resetAge();
294 m_file.reset( TFile::Open( m_pfn.c_str(), "UPDATE", "Root event data", compress ) );
295 msgSvc() << "Opened file " << m_pfn << " in mode UPDATE. [" << m_fid << "]" << endmsg;
296 if ( m_file && !m_file->IsZombie() ) {
297 if ( makeTool() ) {
298 StatusCode sc = m_tool->readRefs();
299 sc.ignore();
300 if ( sc.getCode() == ROOT_READ_ERROR ) {
301 #if ROOT_VERSION_CODE >= ROOT_VERSION( 5, 33, 0 )
302 IIncidentSvc* inc = m_setup->incidentSvc();
303 if ( inc ) {
304 inc->fireIncident( Incident( pfn(), IncidentType::CorruptedInputFile ) );
305 }
306 #endif
307 }
308 return sc;
309 }
310 TDirectory::TContext ctxt( m_file.get() );
311 m_refs = new TTree( "Refs", "Root reference data" );
312 makeTool();
313 return StatusCode::SUCCESS;
314 }
315 break;
316 default:
317 m_refs = nullptr;
318 m_file.reset();
319 return StatusCode::FAILURE;
320 }
321 return m_file ? StatusCode::SUCCESS : StatusCode::FAILURE;
322 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
Gaudi::RootDataConnection::m_tool
std::unique_ptr< Tool > m_tool
Definition: RootDataConnection.h:236
StatusCode::FAILURE
Definition: StatusCode.h:31
StatusCode::getCode
unsigned long getCode() const
Get the status code by value.
Definition: StatusCode.h:94
Gaudi::IDataConnection::m_fid
std::string m_fid
File ID of the connection.
Definition: IIODataManager.h:31
Gaudi::RootConnectionSetup::compression
static int compression()
Access to global compression level.
Definition: RootDataConnection.cpp:129
MSG::DEBUG
Definition: IMessageSvc.h:16
Gaudi::IDataConnection::RECREATE
Definition: IIODataManager.h:41
Gaudi::IDataConnection::pfn
const std::string & pfn() const
Access physical file name.
Definition: IIODataManager.h:57
Gaudi::RootDataConnection::m_params
ParamMap m_params
Parameter map for file parameters.
Definition: RootDataConnection.h:169
Gaudi::IDataConnection::m_pfn
std::string m_pfn
Physical file name of the connection.
Definition: IIODataManager.h:33
Gaudi::RootDataConnection::ROOT_READ_ERROR
Definition: RootDataConnection.h:97
IIncidentSvc::fireIncident
virtual void fireIncident(const Incident &incident)=0
Fire an Incident.
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
std::unique_ptr::reset
T reset(T...args)
Gaudi::RootDataConnection::makeTool
Tool * makeTool()
Create file access tool to encapsulate POOL compatibiliy.
Definition: RootDataConnection.cpp:201
Gaudi::IDataConnection::UPDATE
Definition: IIODataManager.h:41
std::unique_ptr::get
T get(T...args)
Gaudi::IDataConnection::CREATE
Definition: IIODataManager.h:41
Gaudi::RootDataConnection::m_setup
std::shared_ptr< RootConnectionSetup > m_setup
Reference to the setup structure.
Definition: RootDataConnection.h:151
Gaudi::IDataConnection::resetAge
void resetAge()
Reset age.
Definition: IIODataManager.h:63
std::string::c_str
T c_str(T...args)
Incident
Base class for all Incidents (computing events).
Definition: Incident.h:17
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155
StatusCode::ignore
void ignore() const
Definition: StatusCode.h:109
Gaudi::RootDataConnection::m_refs
TTree * m_refs
Pointer to the reference tree.
Definition: RootDataConnection.h:157
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
IIncidentSvc
The interface implemented by the IncidentSvc service.
Definition: IIncidentSvc.h:23
std::vector::emplace_back
T emplace_back(T...args)

StatusCode RootDataConnection::disconnect | ( |  | ) |
| override virtual

Release data stream and release implementation dependent resources.

Implements Gaudi::IDataConnection.

Definition at line 325 of file RootDataConnection.cpp.

326 {
327 if ( m_file ) {
328 if ( !m_file->IsZombie() ) {
329 if ( m_file->IsWritable() ) {
330 msgSvc() << MSG::DEBUG;
331 TDirectory::TContext ctxt( m_file.get() );
332 if ( m_refs ) {
333 if ( !m_tool->saveRefs().isSuccess() ) badWriteError( "Saving References" );
334 if ( m_refs->Write() < 0 ) badWriteError( "Write Reference branch" );
335 }
336 for ( auto& i : m_sections ) {
337 if ( i.second ) {
338 if ( i.second->Write() < 0 ) badWriteError( "Write section:" + i.first );
339 msgSvc() << "Disconnect section " << i.first << " " << i.second->GetName() << endmsg;
340 }
341 }
342 m_sections.clear();
343 }
344 msgSvc() << MSG::DEBUG;
345 if ( msgSvc().isActive() ) m_file->ls();
346 msgSvc() << MSG::VERBOSE;
347 if ( msgSvc().isActive() ) m_file->Print();
348 m_file->Close();
349 }
350 msgSvc() << MSG::DEBUG << "Disconnected file " << m_pfn << " " << m_file->GetName() << endmsg;
351 m_file.reset();
352 m_tool.reset();
353 }
354 return StatusCode::SUCCESS;
355 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
Gaudi::RootDataConnection::m_tool
std::unique_ptr< Tool > m_tool
Definition: RootDataConnection.h:236
MSG::DEBUG
Definition: IMessageSvc.h:16
MSG::VERBOSE
Definition: IMessageSvc.h:16
Gaudi::IDataConnection::m_pfn
std::string m_pfn
Physical file name of the connection.
Definition: IIODataManager.h:33
MsgStream::clear
void clear(STATE_TYPE _i=std::ios_base::failbit)
Definition: MsgStream.h:187
Gaudi::RootDataConnection::m_sections
Sections m_sections
Tree sections in TFile.
Definition: RootDataConnection.h:159
std::unique_ptr::reset
T reset(T...args)
std::unique_ptr::get
T get(T...args)
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155
Gaudi::RootDataConnection::m_refs
TTree * m_refs
Pointer to the reference tree.
Definition: RootDataConnection.h:157
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
Gaudi::RootDataConnection::badWriteError
void badWriteError(const std::string &msg) const
Error handler when bad write statements occur.
Definition: RootDataConnection.cpp:170

CSTR RootDataConnection::empty | ( |  | ) | const
| protected

Empty string reference.

Definition at line 460 of file RootDataConnection.cpp.

460 { return s_empty; }

void RootDataConnection::enableStatistics | ( | const std::string & | section | ) |

Enable TTreePerStats.

Definition at line 186 of file RootDataConnection.cpp.

187 {
188 if ( m_statistics ) {
189 TTree* t = getSection( section, false );
190 if ( t ) {
191 m_statistics.reset( new TTreePerfStats( ( section + "_ioperf" ).c_str(), t ) );
192 return;
193 }
194 msgSvc() << MSG::WARNING << "Failed to enable perfstats for tree:" << section << endmsg;
195 return;
196 }
197 msgSvc() << MSG::INFO << "Perfstats are ALREADY ENABLED." << endmsg;
198 }
Gaudi::RootDataConnection::m_statistics
std::unique_ptr< TTreePerfStats > m_statistics
I/O read statistics from TTree.
Definition: RootDataConnection.h:153
Gaudi::RootDataConnection::getSection
TTree * getSection(const std::string &sect, bool create=false)
Access TTree section from section name. The section is created if required.
Definition: RootDataConnection.cpp:358
std::unique_ptr::reset
T reset(T...args)
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
MSG::WARNING
Definition: IMessageSvc.h:16
MSG::INFO
Definition: IMessageSvc.h:16
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209

TFile* Gaudi::RootDataConnection::file | ( |  | ) | const
| inline

Direct access to TFile structure.

Definition at line 249 of file RootDataConnection.h.

249 { return m_file.get(); }
std::unique_ptr::get
T get(T...args)
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155

TBranch* Gaudi::RootDataConnection::getBranch | ( | const std::string & | section,
|  | const std::string & | branch_name
| ) |  |
| inline

Access data branch by name: Get existing branch in read only mode.

Definition at line 309 of file RootDataConnection.h.

310 {
311 return m_tool->getBranch( section, branch_name );
312 }
Gaudi::RootDataConnection::m_tool
std::unique_ptr< Tool > m_tool
Definition: RootDataConnection.h:236

TBranch* Gaudi::RootDataConnection::getBranch | ( | const std::string & | section,
|  | const std::string & | branch_name,
|  | TClass * | cl,
|  | void * | ptr,
|  | int | buff_siz,
|  | int | split_lvl
| ) |  |

Access data branch by name: Get existing branch in write mode.

const std::string& Gaudi::RootDataConnection::getCont | ( | int | which | ) | const
| inline

Access container name from saved index.

Definition at line 330 of file RootDataConnection.h.

331 {
332 return ( which >= 0 ) && ( size_t( which ) < m_conts.size() ) ? *( m_conts.begin() + which ) : empty();
333 }
Gaudi::RootDataConnection::m_conts
StringVec m_conts
Map containing external container names.
Definition: RootDataConnection.h:163
Gaudi::RootDataConnection::empty
const std::string & empty() const
Empty string reference.
Definition: RootDataConnection.cpp:460
std::vector::size
T size(T...args)
std::vector::begin
T begin(T...args)
GaudiTesting.BaseTest.which
def which(executable)
Definition: BaseTest.py:570

CSTR RootDataConnection::getDb | ( | int | which | ) | const

Access database/file name from saved index.

Definition at line 450 of file RootDataConnection.cpp.

451 {
452 if ( ( which >= 0 ) && ( size_t( which ) < m_dbs.size() ) ) {
453 if ( *( m_dbs.begin() + which ) == s_local ) return m_fid;
454 return *( m_dbs.begin() + which );
455 }
456 return s_empty;
457 }
Gaudi::IDataConnection::m_fid
std::string m_fid
File ID of the connection.
Definition: IIODataManager.h:31
std::vector::size
T size(T...args)
std::vector::begin
T begin(T...args)
GaudiTesting.BaseTest.which
def which(executable)
Definition: BaseTest.py:570
Gaudi::RootDataConnection::m_dbs
StringVec m_dbs
Map containing external database file names (fids)
Definition: RootDataConnection.h:161

const std::string& Gaudi::RootDataConnection::getLink | ( | int | which | ) | const
| inline

Access link name from saved index.

Definition at line 336 of file RootDataConnection.h.

337 {
338 return ( which >= 0 ) && ( size_t( which ) < m_links.size() ) ? *( m_links.begin() + which ) : empty();
339 }
Gaudi::RootDataConnection::m_links
StringVec m_links
Map containing internal links names.
Definition: RootDataConnection.h:165
Gaudi::RootDataConnection::empty
const std::string & empty() const
Empty string reference.
Definition: RootDataConnection.cpp:460
std::vector::size
T size(T...args)
std::vector::begin
T begin(T...args)
GaudiTesting.BaseTest.which
def which(executable)
Definition: BaseTest.py:570

pair< const RootRef *, const RootDataConnection::ContainerSection * > RootDataConnection::getMergeSection | ( | const std::string & | container,
|  | int | entry
| ) |  | const

Access link section for single container and entry.

Definition at line 578 of file RootDataConnection.cpp.

579 {
580 // size_t idx = cont.find('/',1);
581 // string container = cont[0]=='/' ? cont.substr(1,idx==string::npos?idx:idx-1) : cont;
582 auto i = m_mergeSects.find( container );
583 if ( i != m_mergeSects.end() ) {
584 size_t cnt = 0;
585 const ContainerSections& s = ( *i ).second;
586 for ( auto j = s.cbegin(); j != s.cend(); ++j, ++cnt ) {
587 const ContainerSection& c = *j;
588 if ( entry >= c.start && entry < ( c.start + c.length ) ) {
589 if ( m_linkSects.size() > cnt ) {
590 if ( msgSvc().isActive() ) {
591 msgSvc() << MSG::VERBOSE << "MergeSection for:" << container << " [" << entry << "]" << endmsg
592 << "FID:" << m_fid << " -> PFN:" << m_pfn << endmsg;
593 }
594 return {&( m_linkSects[cnt] ), &c};
595 }
596 }
597 }
598 }
599 msgSvc() << MSG::DEBUG << "Return INVALID MergeSection for:" << container << " [" << entry << "]" << endmsg
600 << "FID:" << m_fid << " -> PFN:" << m_pfn << endmsg;
601 return {nullptr, nullptr};
602 }
Gaudi::RootDataConnection::m_mergeSects
MergeSections m_mergeSects
Database section map for merged files.
Definition: RootDataConnection.h:171
gaudirun.c
c
Definition: gaudirun.py:407
Gaudi::RootDataConnection::ContainerSections
std::vector< ContainerSection > ContainerSections
Definition of container sections to handle merged files.
Definition: RootDataConnection.h:138
Gaudi::IDataConnection::m_fid
std::string m_fid
File ID of the connection.
Definition: IIODataManager.h:31
MSG::DEBUG
Definition: IMessageSvc.h:16
MsgStream::isActive
bool isActive() const
Accessor: is MsgStream active.
Definition: MsgStream.h:116
std::map::end
T end(T...args)
MSG::VERBOSE
Definition: IMessageSvc.h:16
Gaudi::IDataConnection::m_pfn
std::string m_pfn
Physical file name of the connection.
Definition: IIODataManager.h:33
std::map::find
T find(T...args)
std::vector::size
T size(T...args)
Gaudi::RootDataConnection::m_linkSects
LinkSections m_linkSects
Database link sections.
Definition: RootDataConnection.h:173
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
gaudirun.s
string s
Definition: gaudirun.py:253
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209

TTree * RootDataConnection::getSection | ( | const std::string & | sect,
|  | bool | create = `false`
| ) |  |

Access TTree section from section name. The section is created if required.

Definition at line 358 of file RootDataConnection.cpp.

359 {
360 TTree* t = m_sections[section];
361 if ( !t ) {
362 t = (TTree*)m_file->Get( section.c_str() );
363 if ( !t && create ) {
364 TDirectory::TContext ctxt( m_file.get() );
365 t = new TTree( section.c_str(), "Root data for Gaudi" );
366 }
367 if ( t ) {
368 int cacheSize = m_setup->cacheSize;
369 if ( create ) {
370 // t->SetAutoFlush(100);
371 }
372 if ( section == m_setup->loadSection && cacheSize > -2 ) {
373 MsgStream& msg = msgSvc();
374 int learnEntries = m_setup->learnEntries;
375 t->SetCacheSize( cacheSize );
376 t->SetCacheLearnEntries( learnEntries );
377 msg << MSG::DEBUG;
378 if ( create ) {
379 msg << "Tree:" << section << "Setting up tree cache:" << cacheSize << endmsg;
380 } else {
381 const StringVec& vB = m_setup->vetoBranches;
382 const StringVec& cB = m_setup->cacheBranches;
383 msg << "Tree:" << section << " Setting up tree cache:" << cacheSize << " Add all branches." << endmsg;
384 msg << "Tree:" << section << " Learn for " << learnEntries << " entries." << endmsg;
385
386 if ( cB.empty() && vB.empty() ) {
387 msg << "Adding (default) all branches to tree cache." << endmsg;
388 t->AddBranchToCache( "*", kTRUE );
389 }
390 if ( cB.size() == 1 && cB[0] == "*" ) {
391 msg << "Adding all branches to tree cache according to option \"CacheBranches\"." << endmsg;
392 t->AddBranchToCache( "*", kTRUE );
393 } else {
394 for ( TIter it( t->GetListOfBranches() ); it.Next(); ) {
395 const char* n = ( (TNamed*)( *it ) )->GetName();
396 bool add = false, veto = false;
397 for ( const auto& i : cB ) {
398 if ( !match_wild( n, ( i ).c_str() ) ) continue;
399 add = true;
400 break;
401 }
402 for ( auto i = vB.cbegin(); !add && i != vB.cend(); ++i ) {
403 if ( !match_wild( n, ( *i ).c_str() ) ) continue;
404 veto = true;
405 break;
406 }
407 if ( add && !veto ) {
408 msg << "Add " << n << " to branch cache." << endmsg;
409 t->AddBranchToCache( n, kTRUE );
410 } else {
411 msg << "Do not cache branch " << n << endmsg;
412 }
413 }
414 }
415 }
416 }
417 m_sections[section] = t;
418 }
419 }
420 return t;
421 }
MsgStream
Definition of the MsgStream class used to transmit messages.
Definition: MsgStream.h:24
MSG::DEBUG
Definition: IMessageSvc.h:16
Gaudi::RootDataConnection::StringVec
std::vector< std::string > StringVec
Type definition for string maps.
Definition: RootDataConnection.h:132
GaudiPluginService.cpluginsvc.n
n
Definition: cpluginsvc.py:228
GaudiPython.Persistency.add
def add(instance)
Definition: Persistency.py:39
Gaudi::RootDataConnection::m_sections
Sections m_sections
Tree sections in TFile.
Definition: RootDataConnection.h:159
std::unique_ptr::get
T get(T...args)
Gaudi::RootDataConnection::m_setup
std::shared_ptr< RootConnectionSetup > m_setup
Reference to the setup structure.
Definition: RootDataConnection.h:151
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
GaudiMP.FdsRegistry.msg
msg
Definition: FdsRegistry.py:8
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209

bool Gaudi::RootDataConnection::isConnected | ( |  | ) | const
| inline override virtual

Check if connected to data source.

Implements Gaudi::IDataConnection.

Definition at line 251 of file RootDataConnection.h.

251 { return bool( m_file ); }
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155

bool Gaudi::RootDataConnection::isWritable | ( |  | ) | const
| inline

Is the file writable?

Definition at line 253 of file RootDataConnection.h.

253 { return m_file && m_file->IsWritable(); }
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155

int RootDataConnection::loadObj | ( | const std::string & | section,
|  | const std::string & | cnt,
|  | unsigned long | entry,
|  | DataObject *& | pObj
| ) |  |

Load object.

Definition at line 504 of file RootDataConnection.cpp.

505 {
506 TBranch* b = getBranch( section, cnt );
507 if ( b ) {
508 TClass* cl = gROOT->GetClass( b->GetClassName(), kTRUE );
509 if ( cl ) {
510 int nb = -1;
511 pObj = (DataObject*)cl->New();
512 {
513 DataObjectPush push( pObj );
514 b->SetAddress( &pObj );
515 if ( section == m_setup->loadSection ) {
516 TTree* t = b->GetTree();
517 if ( Long64_t( entry ) != t->GetReadEntry() ) {
518 t->LoadTree( Long64_t( entry ) );
519 }
520 }
521 nb = b->GetEntry( entry );
522 msgSvc() << MSG::VERBOSE;
523 if ( msgSvc().isActive() ) {
524 msgSvc() << "Load [" << entry << "] --> " << section << ":" << cnt << " " << nb << " bytes." << endmsg;
525 }
526 if ( nb < 0 ) { // This is definitely an error...ROOT says if reads fail, -1 is issued.
527 #if ROOT_VERSION_CODE >= ROOT_VERSION( 5, 33, 0 )
528 IIncidentSvc* inc = m_setup->incidentSvc();
529 if ( inc ) {
530 inc->fireIncident( Incident( pfn(), IncidentType::CorruptedInputFile ) );
531 }
532 #endif
533 } else if ( nb == 0 && pObj->clID() == CLID_DataObject ) {
534 TFile* f = b->GetFile();
535 int vsn = f->GetVersion();
536 if ( vsn < 52400 ) {
537 // For Gaudi v21r5 (ROOT 5.24.00b) DataObject::m_version was not written!
538 // Still this call be well be successful.
539 nb = 1;
540 } else if ( vsn > 1000000 && ( vsn % 1000000 ) < 52400 ) {
541 // dto. Some POOL files have for unknown reasons a version
542 // not according to ROOT standards. Hack this explicitly.
543 nb = 1;
544 }
545 }
546 if ( nb < 0 ) {
547 delete pObj;
548 pObj = nullptr;
549 }
550 }
551 return nb;
552 }
553 }
554 return -1;
555 }
MSG::VERBOSE
Definition: IMessageSvc.h:16
Gaudi::IDataConnection::pfn
const std::string & pfn() const
Access physical file name.
Definition: IIODataManager.h:57
IIncidentSvc::fireIncident
virtual void fireIncident(const Incident &incident)=0
Fire an Incident.
DataObject::clID
virtual const CLID & clID() const
Retrieve reference to class definition structure.
Definition: DataObject.cpp:62
Gaudi::RootDataConnection::getBranch
TBranch * getBranch(const std::string &section, const std::string &branch_name)
Access data branch by name: Get existing branch in read only mode.
Definition: RootDataConnection.h:309
Gaudi::RootDataConnection::m_setup
std::shared_ptr< RootConnectionSetup > m_setup
Reference to the setup structure.
Definition: RootDataConnection.h:151
Incident
Base class for all Incidents (computing events).
Definition: Incident.h:17
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
DataObject
A DataObject is the base class of any identifiable object on any data store.
Definition: DataObject.h:29
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
IIncidentSvc
The interface implemented by the IncidentSvc service.
Definition: IIncidentSvc.h:23

int RootDataConnection::loadRefs | ( | const std::string & | section,
|  | const std::string & | cnt,
|  | unsigned long | entry,
|  | RootObjectRefs & | refs
| ) |  |

Load references object.

Definition at line 558 of file RootDataConnection.cpp.

560 {
561 int nbytes = m_tool->loadRefs( section, cnt, entry, refs );
562 #if ROOT_VERSION_CODE >= ROOT_VERSION( 5, 33, 0 )
563 if ( nbytes < 0 ) {
564 // This is definitely an error:
565 // -- Either branch not preesent at all or
566 // -- ROOT I/O error, which issues -1
567 IIncidentSvc* inc = m_setup->incidentSvc();
568 if ( inc ) {
569 inc->fireIncident( Incident( pfn(), IncidentType::CorruptedInputFile ) );
570 }
571 }
572 #endif
573 return nbytes;
574 }
Gaudi::RootDataConnection::m_tool
std::unique_ptr< Tool > m_tool
Definition: RootDataConnection.h:236
Gaudi::IDataConnection::pfn
const std::string & pfn() const
Access physical file name.
Definition: IIODataManager.h:57
IIncidentSvc::fireIncident
virtual void fireIncident(const Incident &incident)=0
Fire an Incident.
Gaudi::RootDataConnection::m_setup
std::shared_ptr< RootConnectionSetup > m_setup
Reference to the setup structure.
Definition: RootDataConnection.h:151
Incident
Base class for all Incidents (computing events).
Definition: Incident.h:17
IIncidentSvc
The interface implemented by the IncidentSvc service.
Definition: IIncidentSvc.h:23

bool RootDataConnection::lookupClient | ( | const IInterface * | client | ) | const

Lookup client for this data source.

Definition at line 163 of file RootDataConnection.cpp.

164 {
165 auto i = m_clients.find( client );
166 return i != m_clients.end();
167 }
Gaudi::RootDataConnection::m_clients
Clients m_clients
Client list.
Definition: RootDataConnection.h:175
std::set::end
T end(T...args)
std::set::find
T find(T...args)

int RootDataConnection::makeLink | ( | const std::string & | p | ) |

Convert path string to path index.

Definition at line 441 of file RootDataConnection.cpp.

442 {
443 auto ip = std::find( std::begin( m_links ), std::end( m_links ), p );
444 if ( ip != std::end( m_links ) ) return std::distance( std::begin( m_links ), ip );
445 m_links.push_back( p );
446 return m_links.size() - 1;
447 }
std::distance
T distance(T...args)
std::end
T end(T...args)
Gaudi::RootDataConnection::m_links
StringVec m_links
Map containing internal links names.
Definition: RootDataConnection.h:165
std::vector::push_back
T push_back(T...args)
std::find
T find(T...args)
std::vector::size
T size(T...args)
std::begin
T begin(T...args)

void RootDataConnection::makeRef | ( | IRegistry * | pA,
|  | RootRef & | ref
| ) |  |

Create reference object from registry entry.

Definition at line 605 of file RootDataConnection.cpp.

606 {
607 IOpaqueAddress* pA = pR->address();
608 makeRef( pR->name(), pA->clID(), pA->svcType(), pA->par()[0], pA->par()[1], -1, ref );
609 }
IOpaqueAddress::clID
virtual const CLID & clID() const =0
Retrieve class information from link.
IOpaqueAddress::par
virtual const std::string * par() const =0
Retrieve String parameters.
compareRootHistos.ref
string ref
Definition: compareRootHistos.py:14
Gaudi::RootDataConnection::makeRef
void makeRef(IRegistry *pA, RootRef &ref)
Create reference object from registry entry.
Definition: RootDataConnection.cpp:605
IOpaqueAddress::svcType
virtual long svcType() const =0
Retrieve service type.
IOpaqueAddress
Opaque address interface definition.
Definition: IOpaqueAddress.h:23
IRegistry::address
virtual IOpaqueAddress * address() const =0
Retrieve opaque storage address.

void Gaudi::RootDataConnection::makeRef | ( | const std::string & | name,
|  | long | clid,
|  | int | tech,
|  | const std::string & | db,
|  | const std::string & | cnt,
|  | int | entry,
|  | RootRef & | ref
| ) |  |

Create reference object from values.

RootDataConnection::Tool * RootDataConnection::makeTool | ( |  | ) |

Create file access tool to encapsulate POOL compatibiliy.

Definition at line 201 of file RootDataConnection.cpp.

202 {
203 if ( !m_refs ) m_refs = (TTree*)m_file->Get( "Refs" );
204 if ( m_refs ) m_tool.reset( new RootTool( this ) );
205 #ifdef __POOL_COMPATIBILITY
206 else if ( m_file->Get( "##Links" ) != nullptr )
207 m_tool.reset( new PoolTool( this ) );
208 #endif
209 else
210 m_tool.reset();
211 return m_tool.get();
212 }
Gaudi::RootDataConnection::m_tool
std::unique_ptr< Tool > m_tool
Definition: RootDataConnection.h:236
Gaudi::RootTool
Description:
Definition: RootTool.h:17
Gaudi::RootDataConnection::m_file
std::unique_ptr< TFile > m_file
Reference to ROOT file.
Definition: RootDataConnection.h:155
Gaudi::RootDataConnection::m_refs
TTree * m_refs
Pointer to the reference tree.
Definition: RootDataConnection.h:157
Gaudi::PoolTool
Definition: PoolTool.h:18

const StringVec& Gaudi::RootDataConnection::mergeFIDs | ( |  | ) | const
| inline

Access merged FIDs.

Definition at line 259 of file RootDataConnection.h.

259 { return m_mergeFIDs; }
Gaudi::RootDataConnection::m_mergeFIDs
StringVec m_mergeFIDs
Map containing merge FIDs.
Definition: RootDataConnection.h:167

const MergeSections& Gaudi::RootDataConnection::mergeSections | ( |  | ) | const
| inline

Access merged data section inventory.

Definition at line 257 of file RootDataConnection.h.

257 { return m_mergeSects; }
Gaudi::RootDataConnection::m_mergeSects
MergeSections m_mergeSects
Database section map for merged files.
Definition: RootDataConnection.h:171

MsgStream& Gaudi::RootDataConnection::msgSvc | ( |  | ) | const
| inline

Allow access to printer service.

Definition at line 147 of file RootDataConnection.h.

147 { return m_setup->msgSvc(); }
Gaudi::RootDataConnection::m_setup
std::shared_ptr< RootConnectionSetup > m_setup
Reference to the setup structure.
Definition: RootDataConnection.h:151

StatusCode Gaudi::RootDataConnection::read | ( | void * | const,
|  | size_t |
| ) |  |
| inline override virtual

Read root byte buffer from input stream.

Implements Gaudi::IDataConnection.

Definition at line 299 of file RootDataConnection.h.

299 { return StatusCode::FAILURE; }
StatusCode::FAILURE
Definition: StatusCode.h:31

size_t RootDataConnection::removeClient | ( | const IInterface * | client | ) |

Remove client from this data source.

Definition at line 155 of file RootDataConnection.cpp.

156 {
157 auto i = m_clients.find( client );
158 if ( i != m_clients.end() ) m_clients.erase( i );
159 return m_clients.size();
160 }
Gaudi::RootDataConnection::m_clients
Clients m_clients
Client list.
Definition: RootDataConnection.h:175
std::set::end
T end(T...args)
std::set::erase
T erase(T...args)
std::set::find
T find(T...args)
std::set::size
T size(T...args)

pair< int, unsigned long > RootDataConnection::save | ( | const std::string & | section,
|  | const std::string & | cnt,
|  | TClass * | cl,
|  | void * | pObj,
|  | int | buff_siz,
|  | int | split_lvl,
|  | bool | fill_missing = `false`
| ) |  |

Save object of a given class to section and container.

Definition at line 471 of file RootDataConnection.cpp.

473 {
474 split_lvl = 0;
475 TBranch* b = getBranch( section, cnt, cl, pObj ? &pObj : nullptr, buff_siz, split_lvl );
476 if ( b ) {
477 Long64_t evt = b->GetEntries();
478 // msgSvc() << MSG::DEBUG << cnt.c_str() << " Obj:" << (void*)pObj
479 // << " Split:" << split_lvl << " Buffer size:" << buff_siz << endl;
480 if ( fill_missing ) {
481 Long64_t num, nevt = b->GetTree()->GetEntries();
482 if ( nevt > evt ) {
483 b->SetAddress( nullptr );
484 num = nevt - evt;
485 while ( num > 0 ) {
486 b->Fill();
487 --num;
488 }
489 msgSvc() << MSG::DEBUG << "Added " << long( nevt - evt ) << " / Tree: " << nevt
490 << " / Branch: " << b->GetEntries() + 1 << " NULL entries to:" << cnt << endmsg;
491 evt = b->GetEntries();
492 }
493 }
494 b->SetAddress( &pObj );
495 return {b->Fill(), evt};
496 }
497 if ( pObj ) {
498 msgSvc() << MSG::ERROR << "Failed to access branch " << m_name << "/" << cnt << endmsg;
499 }
500 return {-1, ~0};
501 }
Gaudi::IDataConnection::m_name
std::string m_name
Connection name/identifier.
Definition: IIODataManager.h:29
MSG::DEBUG
Definition: IMessageSvc.h:16
Gaudi::RootDataConnection::getBranch
TBranch * getBranch(const std::string &section, const std::string &branch_name)
Access data branch by name: Get existing branch in read only mode.
Definition: RootDataConnection.h:309
Gaudi::RootDataConnection::msgSvc
MsgStream & msgSvc() const
Allow access to printer service.
Definition: RootDataConnection.h:147
MSG::ERROR
Definition: IMessageSvc.h:16
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
IOTest.evt
evt
Definition: IOTest.py:96

pair< int, unsigned long > RootDataConnection::saveObj | ( | const std::string & | section,
|  | const std::string & | cnt,
|  | TClass * | cl,
|  | DataObject * | pObj,
|  | int | buff_siz,
|  | int | split_lvl,
|  | bool | fill_missing = `false`
| ) |  |

Save object of a given class to section and container.

Definition at line 463 of file RootDataConnection.cpp.

465 {
466 DataObjectPush push( pObj );
467 return save( section, cnt, cl, pObj, buff_siz, split_lvl, fill );
468 }
Gaudi::Utils::Histos::fill
GAUDI_API void fill(AIDA::IHistogram1D *histo, const double value, const double weight=1.0)
simple function to fill AIDA::IHistogram1D objects
Definition: Fill.cpp:35
Gaudi::RootDataConnection::save
std::pair< int, unsigned long > save(const std::string &section, const std::string &cnt, TClass *cl, void *pObj, int buff_siz, int split_lvl, bool fill_missing=false)
Save object of a given class to section and container.
Definition: RootDataConnection.cpp:471

StatusCode Gaudi::RootDataConnection::saveRefs | ( |  | ) |
| protected

Internal helper to save/update reference tables.

void RootDataConnection::saveStatistics | ( | const std::string & | statisticsFile | ) |

Save TTree access statistics if required.

Definition at line 176 of file RootDataConnection.cpp.

177 {
178 if ( m_statistics ) {
179 m_statistics->Print();
180 if ( !statisticsFile.empty() ) m_statistics->SaveAs( statisticsFile.c_str() );
181 m_statistics.reset();
182 }
183 }
std::string::empty
T empty(T...args)
Gaudi::RootDataConnection::m_statistics
std::unique_ptr< TTreePerfStats > m_statistics
I/O read statistics from TTree.
Definition: RootDataConnection.h:153
std::unique_ptr::reset
T reset(T...args)
std::string::c_str
T c_str(T...args)

long long int Gaudi::RootDataConnection::seek | ( | long long int | ,
|  | int |
| ) |  |
| inline override virtual

Seek on the file described by ioDesc. Arguments as in ::seek()

Implements Gaudi::IDataConnection.

Definition at line 303 of file RootDataConnection.h.

303 { return -1; }

Tool* Gaudi::RootDataConnection::tool | ( |  | ) | const
| inline

Access tool.

Definition at line 255 of file RootDataConnection.h.

255 { return m_tool.get(); }
Gaudi::RootDataConnection::m_tool
std::unique_ptr< Tool > m_tool
Definition: RootDataConnection.h:236

StatusCode Gaudi::RootDataConnection::write | ( | const void * | ,
|  | int |
| ) |  |
| inline override virtual

Write root byte buffer to output stream.

Implements Gaudi::IDataConnection.

Definition at line 301 of file RootDataConnection.h.

301 { return StatusCode::FAILURE; }
StatusCode::FAILURE
Definition: StatusCode.h:31

## Friends And Related Function Documentation

friend class Tool
| friend

Definition at line 237 of file RootDataConnection.h.

## Member Data Documentation

Clients Gaudi::RootDataConnection::m_clients
| protected

Client list.

Definition at line 175 of file RootDataConnection.h.

StringVec Gaudi::RootDataConnection::m_conts
| protected

Map containing external container names.

Definition at line 163 of file RootDataConnection.h.

StringVec Gaudi::RootDataConnection::m_dbs
| protected

Map containing external database file names (fids)

Definition at line 161 of file RootDataConnection.h.

std::string Gaudi::RootDataConnection::m_empty
| protected

Buffer for empty string reference.

Definition at line 177 of file RootDataConnection.h.

std::unique_ptr<TFile> Gaudi::RootDataConnection::m_file
| protected

Reference to ROOT file.

Definition at line 155 of file RootDataConnection.h.

StringVec Gaudi::RootDataConnection::m_links
| protected

Map containing internal links names.

Definition at line 165 of file RootDataConnection.h.

LinkSections Gaudi::RootDataConnection::m_linkSects
| protected

Database link sections.

Definition at line 173 of file RootDataConnection.h.

StringVec Gaudi::RootDataConnection::m_mergeFIDs
| protected

Map containing merge FIDs.

Definition at line 167 of file RootDataConnection.h.

MergeSections Gaudi::RootDataConnection::m_mergeSects
| protected

Database section map for merged files.

Definition at line 171 of file RootDataConnection.h.

ParamMap Gaudi::RootDataConnection::m_params
| protected

Parameter map for file parameters.

Definition at line 169 of file RootDataConnection.h.

TTree* Gaudi::RootDataConnection::m_refs = nullptr
| protected

Pointer to the reference tree.

Definition at line 157 of file RootDataConnection.h.

Sections Gaudi::RootDataConnection::m_sections
| protected

Tree sections in TFile.

Definition at line 159 of file RootDataConnection.h.

std::shared_ptr<RootConnectionSetup> Gaudi::RootDataConnection::m_setup
| protected

Reference to the setup structure.

Definition at line 151 of file RootDataConnection.h.

std::unique_ptr<TTreePerfStats> Gaudi::RootDataConnection::m_statistics
| protected

I/O read statistics from TTree.

Definition at line 153 of file RootDataConnection.h.

std::unique_ptr<Tool> Gaudi::RootDataConnection::m_tool

Definition at line 236 of file RootDataConnection.h.

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

- RootCnv/RootCnv/RootDataConnection.h
- RootCnv/src/RootDataConnection.cpp