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Public Member Functions | Protected Attributes | Private Member Functions | List of all members
Gaudi::RootEvtSelector Class Reference

Concrete event selector implementation to access ROOT files. More...

`#include <GAUDIROOT/RootEvtSelector.h>`

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

## Public Member Functions
| ~RootEvtSelector () override=default
| Standard destructor. More...
StatusCode | initialize () override
| IService implementation: Db event selector override. More...
StatusCode | finalize () override
| IService implementation: Service finalization. More...
StatusCode | createContext (Context *&refpCtxt) const override
| Create a new event loop context. More...
StatusCode | last (Context &refContext) const override
| Access last item in the iteration. More...
StatusCode | next (Context &refCtxt) const override
| Get next iteration item from the event loop context. More...
StatusCode | next (Context &refCtxt, int jump) const override
| Get next iteration item from the event loop context, but skip jump elements. More...
StatusCode | previous (Context &refCtxt) const override
| Get previous iteration item from the event loop context. More...
StatusCode | previous (Context &refCtxt, int jump) const override
| Get previous iteration item from the event loop context, but skip jump elements. More...
StatusCode | rewind (Context &refCtxt) const override
| Rewind the dataset. More...
StatusCode | createAddress (const Context &refCtxt, IOpaqueAddress *&) const override
| Create new Opaque address corresponding to the current record. More...
StatusCode | releaseContext (Context *&refCtxt) const override
| Release existing event iteration context. More...
StatusCode | resetCriteria (const std::string &cr, Context &c) const override
| Will set a new criteria for the selection of the next list of events and will change the state of the context in a way to point to the new list. More...
Public Member Functions inherited from extends< Service, IEvtSelector >
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::string > | getInterfaceNames () const override
| Implementation of IInterface::getInterfaceNames. More...
| ~extends () override=default
| Virtual destructor. More...
Public Member Functions inherited from Service
const std::string & | name () const override
| Retrieve name of the service. More...
StatusCode | configure () override
StatusCode | initialize () override
StatusCode | start () override
StatusCode | stop () override
StatusCode | finalize () override
StatusCode | terminate () override
Gaudi::StateMachine::State | FSMState () const override
Gaudi::StateMachine::State | targetFSMState () const override
StatusCode | reinitialize () override
StatusCode | restart () override
StatusCode | sysInitialize () override
| Initialize Service. More...
StatusCode | sysStart () override
| Initialize Service. More...
StatusCode | sysStop () override
| Initialize Service. More...
StatusCode | sysFinalize () override
| Finalize Service. More...
StatusCode | sysReinitialize () override
| Re-initialize the Service. More...
StatusCode | sysRestart () override
| Re-initialize the Service. More...
| Service (std::string name, ISvcLocator *svcloc)
| Standard Constructor. More...
SmartIF< ISvcLocator > & | serviceLocator () const override
| Retrieve pointer to service locator. More...
StatusCode | setProperties ()
| Method for setting declared properties to the values specified for the job. More...
template<class T >
StatusCode | service (const std::string &name, const T *&psvc, bool createIf=true) const
| Access a service by name, creating it if it doesn't already exist. More...
template<class T >
StatusCode | service (const std::string &name, T *&psvc, bool createIf=true) const
template<typename IFace = IService>
SmartIF< IFace > | service (const std::string &name, bool createIf=true) const
template<class T >
StatusCode | service (const std::string &svcType, const std::string &svcName, T *&psvc) const
| Access a service by name and type, creating it if it doesn't already exist. More...
template<class T >
StatusCode | declareTool (ToolHandle< T > &handle, std::string toolTypeAndName, bool createIf=true)
| Declare used tool. More...
SmartIF< IAuditorSvc > & | auditorSvc () const
| The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...
Public Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
| PropertyHolder ()=default
| ~PropertyHolder () override=default
Gaudi::Details::PropertyBase & | declareProperty (Gaudi::Details::PropertyBase &prop)
| Declare a property. More...
Gaudi::Details::PropertyBase * | declareProperty (const std::string &name, TYPE &value, const std::string &doc="none")
| Helper to wrap a regular data member and use it as a regular property. More...
Gaudi::Details::PropertyBase * | declareProperty (const std::string &name, TYPE &value, const std::string &doc="none") const
Gaudi::Details::PropertyBase * | declareProperty (const std::string &name, Gaudi::Property< TYPE, VERIFIER, HANDLERS > &prop, const std::string &doc="none")
| Declare a PropertyBase instance setting name and documentation. More...
Gaudi::Details::PropertyBase * | declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="")
| Declare a remote property. More...
StatusCode | setProperty (const Gaudi::Details::PropertyBase &p) override
| set the property form another property More...
StatusCode | setProperty (const std::string &s) override
| set the property from the formatted string More...
StatusCode | setProperty (const std::string &n, const std::string &v) override
| set the property from name and the value More...
StatusCode | setProperty (const std::string &name, const TYPE &value)
| set the property form the value More...
StatusCode | getProperty (Gaudi::Details::PropertyBase *p) const override
| get the property More...
const Gaudi::Details::PropertyBase & | getProperty (const std::string &name) const override
| get the property by name More...
StatusCode | getProperty (const std::string &n, std::string &v) const override
| convert the property to the string More...
const std::vector< Gaudi::Details::PropertyBase * > & | getProperties () const override
| get all properties More...
bool | hasProperty (const std::string &name) const override
| Return true if we have a property with the given name. More...
| PropertyHolder (const PropertyHolder &)=delete
PropertyHolder & | operator= (const PropertyHolder &)=delete
Gaudi::Details::PropertyBase * | declareProperty (const std::string &name, GaudiHandleBase &ref, const std::string &doc="none")
| Specializations for various GaudiHandles. More...
Gaudi::Details::PropertyBase * | declareProperty (const std::string &name, GaudiHandleArrayBase &ref, const std::string &doc="none")
Gaudi::Details::PropertyBase * | declareProperty (const std::string &name, DataObjectHandleBase &ref, const std::string &doc="none")
Public Member Functions inherited from CommonMessagingBase
virtual | ~CommonMessagingBase ()=default
| Virtual destructor. More...
const SmartIF< IMessageSvc > & | msgSvc () const
| The standard message service. More...
MsgStream & | msgStream () const
| Return an uninitialized MsgStream. More...
MsgStream & | msgStream (const MSG::Level level) const
| Predefined configurable message stream for the efficient printouts. More...
MsgStream & | always () const
| shortcut for the method msgStream(MSG::ALWAYS) More...
MsgStream & | fatal () const
| shortcut for the method msgStream(MSG::FATAL) More...
MsgStream & | err () const
| shortcut for the method msgStream(MSG::ERROR) More...
MsgStream & | error () const
| shortcut for the method msgStream(MSG::ERROR) More...
MsgStream & | warning () const
| shortcut for the method msgStream(MSG::WARNING) More...
MsgStream & | info () const
| shortcut for the method msgStream(MSG::INFO) More...
MsgStream & | debug () const
| shortcut for the method msgStream(MSG::DEBUG) More...
MsgStream & | verbose () const
| shortcut for the method msgStream(MSG::VERBOSE) More...
MsgStream & | msg () const
| shortcut for the method msgStream(MSG::INFO) More...
MSG::Level | msgLevel () const
| get the cached level (originally extracted from the embedded MsgStream) More...
MSG::Level | outputLevel () const __attribute__((deprecated))
| Backward compatibility function for getting the output level. More...
bool | msgLevel (MSG::Level lvl) const
| get the output level from the embedded MsgStream More...
Public Member Functions inherited from extend_interfaces< Interfaces... >
| ~extend_interfaces () override=default
| Virtual destructor. More...

## Protected Attributes
RootCnvSvc * | m_dbMgr
| Reference to the corresponding conversion service. More...
CLID | m_rootCLID = CLID_NULL
| Class id of root node to create opaque address. More...
Gaudi::Property< std::string > | m_persName
Gaudi::Property< std::string > | m_dummy {this, "DbType", "", "dummy property to fake backwards compatibility"}
std::string | m_cnvSvcName = "Gaudi::RootCnvSvc/RootCnvSvc"
| Property; Name of the concversion service used to create opaque addresses. More...
std::string | m_rootName
| Property: Name of the ROOT entry name. More...
std::string | m_criteria
| Property: File criteria to define item iteration. More...
Protected Attributes inherited from Service
Gaudi::StateMachine::State | m_state = Gaudi::StateMachine::OFFLINE
| Service state. More...
Gaudi::StateMachine::State | m_targetState = Gaudi::StateMachine::OFFLINE
| Service state. More...
Gaudi::Property< int > | m_outputLevel {this, "OutputLevel", MSG::NIL, "output level"}
Gaudi::Property< bool > | m_auditInit {this, "AuditServices", false, "[[deprecated]] unused"}
Gaudi::Property< bool > | m_auditorInitialize {this, "AuditInitialize", false, "trigger auditor on initialize()"}
Gaudi::Property< bool > | m_auditorStart {this, "AuditStart", false, "trigger auditor on start()"}
Gaudi::Property< bool > | m_auditorStop {this, "AuditStop", false, "trigger auditor on stop()"}
Gaudi::Property< bool > | m_auditorFinalize {this, "AuditFinalize", false, "trigger auditor on finalize()"}
Gaudi::Property< bool > | m_auditorReinitialize {this, "AuditReinitialize", false, "trigger auditor on reinitialize()"}
Gaudi::Property< bool > | m_auditorRestart {this, "AuditRestart", false, "trigger auditor on restart()"}
SmartIF< IAuditorSvc > | m_pAuditorSvc
| Auditor Service. More...

## Private Member Functions
StatusCode | error (const std::string &msg) const
| Helper method to issue error messages. More...

## Additional Inherited Members
Public Types inherited from extends< Service, IEvtSelector >
using | base_class = extends
| Typedef to this class. More...
using | extend_interfaces_base = extend_interfaces< Interfaces... >
| Typedef to the base of this class. More...
Public Types inherited from Service
typedef Gaudi::PluginService::Factory< IService *, const std::string &, ISvcLocator * > | Factory
Public Types inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
using | PropertyHolderImpl = PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
| Typedef used to refer to this class from derived classes, as in. More...
Public Types inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
using | base_class = CommonMessaging
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 Service
| ~Service () override
| Standard Destructor. More...
int | outputLevel () const
| get the `Service's` output level More...
Protected Member Functions inherited from PropertyHolder< CommonMessaging< implements< IService, IProperty, IStateful > > >
Gaudi::Details::PropertyBase * | property (const std::string &name) const
Protected Member Functions inherited from CommonMessaging< implements< IService, IProperty, IStateful > >
MSG::Level | setUpMessaging ()
| Set up local caches. More...
MSG::Level | resetMessaging ()
| Reinitialize internal states. More...
void | updateMsgStreamOutputLevel (int level)
| Update the output level of the cached MsgStream. More...

## Detailed Description

Concrete event selector implementation to access ROOT files.

Author
  M.Frank

Version
  1.0

Date
  20/12/2009

Definition at line 40 of file RootEvtSelector.h.

## Constructor & Destructor Documentation

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

Standard destructor.

## Member Function Documentation

StatusCode RootEvtSelector::createAddress | ( | const Context & | refCtxt,
|  | IOpaqueAddress *& | pAddr
| ) |  | const
| override

Create new Opaque address corresponding to the current record.

Parameters

  refCtxt | [IN/OUT] Reference to the context

Returns
  StatusCode indicating success or failure

Definition at line 272 of file RootEvtSelector.cpp.

273 {
274 const RootEvtSelectorContext* pctxt = dynamic_cast<const RootEvtSelectorContext*>( &ctxt );
275 if ( pctxt ) {
276 long ent = pctxt->entry();
277 if ( ent >= 0 ) {
278 auto fileit = pctxt->fileIterator();
279 if ( fileit != pctxt->files().end() ) {
280 const string par[2] = {pctxt->fid(), m_rootName};
281 const unsigned long ipar[2] = {0, (unsigned long)ent};
282 return m_dbMgr->createAddress( m_dbMgr->repSvcType(), m_rootCLID, &par[0], &ipar[0], pAddr );
283 }
284 }
285 }
286 pAddr = nullptr;
287 return StatusCode::FAILURE;
288 }
Gaudi::RootEvtSelectorContext::files
const Files & files() const
Access to the file container.
Definition: RootEvtSelector.cpp:59
Gaudi::RootEvtSelectorContext::fileIterator
Files::const_iterator fileIterator() const
Access to the file iterator.
Definition: RootEvtSelector.cpp:69
Gaudi::RootCnvSvc::createAddress
StatusCode createAddress(long svc_type, const CLID &clid, const std::string *par, const unsigned long *ip, IOpaqueAddress *&refpAddress) override
IAddressCreator implementation: Address creation.
Definition: RootCnvSvc.cpp:371
std::vector::end
T end(T...args)
Gaudi::RootEvtSelector::m_dbMgr
RootCnvSvc * m_dbMgr
Reference to the corresponding conversion service.
Definition: RootEvtSelector.h:133
compareOutputFiles.par
string par
Definition: compareOutputFiles.py:437
Gaudi::RootEvtSelectorContext
ROOT specific event selector context.
Definition: RootEvtSelector.cpp:33
Gaudi::RootEvtSelectorContext::fid
const std::string & fid() const
Access connection fid.
Definition: RootEvtSelector.cpp:79
ConversionSvc::repSvcType
long repSvcType() const override
Retrieve the class type of the data store the converter uses.
Definition: ConversionSvc.cpp:308
StatusCode::FAILURE
Definition: StatusCode.h:29
Gaudi::RootEvtSelector::m_rootCLID
CLID m_rootCLID
Class id of root node to create opaque address.
Definition: RootEvtSelector.h:135
Gaudi::RootEvtSelectorContext::entry
long entry() const
Access to the current event entry number.
Definition: RootEvtSelector.cpp:73
Gaudi::RootEvtSelector::m_rootName
std::string m_rootName
Property: Name of the ROOT entry name.
Definition: RootEvtSelector.h:144

StatusCode RootEvtSelector::createContext | ( | Context *& | refpCtxt | ) | const
| override

Create a new event loop context.

Parameters

  refpCtxt | [IN/OUT] Reference to pointer to store the context

Returns
  StatusCode indicating success or failure

Definition at line 162 of file RootEvtSelector.cpp.

163 {
164 refpCtxt = new RootEvtSelectorContext( this );
165 return StatusCode::SUCCESS;
166 }
StatusCode::SUCCESS
Definition: StatusCode.h:29
Gaudi::RootEvtSelectorContext
ROOT specific event selector context.
Definition: RootEvtSelector.cpp:33

StatusCode RootEvtSelector::error | ( | const std::string & | msg | ) | const
| private

Helper method to issue error messages.

Definition at line 104 of file RootEvtSelector.cpp.

105 {
106 MsgStream log( msgSvc(), name() );
107 log << MSG::ERROR << msg << endmsg;
108 return StatusCode::FAILURE;
109 }
MsgStream
Definition of the MsgStream class used to transmit messages.
Definition: MsgStream.h:24
Service::name
const std::string & name() const override
Retrieve name of the service.
Definition: Service.cpp:289
CommonMessagingBase::msgSvc
const SmartIF< IMessageSvc > & msgSvc() const
The standard message service.
Definition: CommonMessaging.h:75
MSG::ERROR
Definition: IMessageSvc.h:16
StatusCode::FAILURE
Definition: StatusCode.h:29
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
Gaudi.Configuration.log
log
Definition: Configuration.py:13

StatusCode RootEvtSelector::finalize | ( |  | ) |
| override

IService implementation: Service finalization.

Definition at line 153 of file RootEvtSelector.cpp.

154 {
155 // Initialize base class
156 if ( m_dbMgr ) m_dbMgr->release();
157 m_dbMgr = nullptr; // release
158 return Service::finalize();
159 }
Service::finalize
StatusCode finalize() override
Definition: Service.cpp:174
Gaudi::RootEvtSelector::m_dbMgr
RootCnvSvc * m_dbMgr
Reference to the corresponding conversion service.
Definition: RootEvtSelector.h:133

StatusCode RootEvtSelector::initialize | ( |  | ) |
| override

IService implementation: Db event selector override.

Definition at line 112 of file RootEvtSelector.cpp.

113 {
114 // Initialize base class
115 StatusCode status = Service::initialize();
116 if ( !status.isSuccess() ) {
117 return error( "Error initializing base class Service!" );
118 }
119
120 auto ipers = serviceLocator()->service<IPersistencySvc>( m_persName );
121 if ( !ipers ) {
122 return error( "Unable to locate IPersistencySvc interface of " + m_persName );
123 }
124 IConversionSvc* cnvSvc = nullptr;
125 Gaudi::Utils::TypeNameString itm( m_cnvSvcName );
126 status = ipers->getService( itm.name(), cnvSvc );
127 if ( !status.isSuccess() ) {
128 status = ipers->getService( itm.type(), cnvSvc );
129 if ( !status.isSuccess() ) {
130 return error( "Unable to locate IConversionSvc interface of database type " + m_cnvSvcName );
131 }
132 }
133 m_dbMgr = dynamic_cast<RootCnvSvc*>( cnvSvc );
134 if ( !m_dbMgr ) {
135 cnvSvc->release();
136 return error( "Unable to localize service:" + m_cnvSvcName );
137 }
138 m_dbMgr->addRef();
139
140 // Get DataSvc
141 auto eds = serviceLocator()->service<IDataManagerSvc>( "EventDataSvc" );
142 if ( !eds ) {
143 return error( "Unable to localize service EventDataSvc" );
144 }
145 m_rootCLID = eds->rootCLID();
146 m_rootName = eds->rootName();
147 MsgStream log( msgSvc(), name() );
148 log << MSG::DEBUG << "Selection root:" << m_rootName << " CLID:" << m_rootCLID << endmsg;
149 return status;
150 }
MsgStream
Definition of the MsgStream class used to transmit messages.
Definition: MsgStream.h:24
Service::initialize
StatusCode initialize() override
Definition: Service.cpp:64
Service::name
const std::string & name() const override
Retrieve name of the service.
Definition: Service.cpp:289
IConversionSvc
Definition: IConversionSvc.h:37
IDataManagerSvc
Definition: IDataManagerSvc.h:46
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:50
MSG::DEBUG
Definition: IMessageSvc.h:16
Gaudi::RootCnvSvc
Description:
Definition: RootCnvSvc.h:53
Gaudi::RootEvtSelector::m_persName
Gaudi::Property< std::string > m_persName
Definition: RootEvtSelector.h:137
Gaudi::RootEvtSelector::m_dbMgr
RootCnvSvc * m_dbMgr
Reference to the corresponding conversion service.
Definition: RootEvtSelector.h:133
ISvcLocator::service
StatusCode service(const Gaudi::Utils::TypeNameString &name, T *&svc, bool createIf=true)
Templated method to access a service by name.
Definition: ISvcLocator.h:79
CommonMessagingBase::error
MsgStream & error() const
shortcut for the method msgStream(MSG::ERROR)
Definition: CommonMessaging.h:106
Gaudi::Utils::TypeNameString
Helper class to parse a string of format "type/name".
Definition: TypeNameString.h:12
Gaudi::RootEvtSelector::m_cnvSvcName
std::string m_cnvSvcName
Property; Name of the concversion service used to create opaque addresses.
Definition: RootEvtSelector.h:142
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:26
CommonMessagingBase::msgSvc
const SmartIF< IMessageSvc > & msgSvc() const
The standard message service.
Definition: CommonMessaging.h:75
IInterface::release
virtual unsigned long release()=0
Release Interface instance.
IPersistencySvc
Data persistency service interface.
Definition: IPersistencySvc.h:19
Gaudi::RootEvtSelector::m_rootCLID
CLID m_rootCLID
Class id of root node to create opaque address.
Definition: RootEvtSelector.h:135
Service::serviceLocator
SmartIF< ISvcLocator > & serviceLocator() const override
Retrieve pointer to service locator.
Definition: Service.cpp:292
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
Gaudi::RootEvtSelector::m_rootName
std::string m_rootName
Property: Name of the ROOT entry name.
Definition: RootEvtSelector.h:144
Gaudi.Configuration.log
log
Definition: Configuration.py:13

StatusCode RootEvtSelector::last | ( | Context & | refContext | ) | const
| override

Access last item in the iteration.

Parameters

  refContext | [IN/OUT] Reference to the Context object.

Definition at line 169 of file RootEvtSelector.cpp.

169 { return StatusCode::FAILURE; }
StatusCode::FAILURE
Definition: StatusCode.h:29

StatusCode RootEvtSelector::next | ( | Context & | refCtxt | ) | const
| override

Get next iteration item from the event loop context.

Parameters

  refCtxt | [IN/OUT] Reference to the context

Returns
  StatusCode indicating success or failure

Definition at line 172 of file RootEvtSelector.cpp.

173 {
174 RootEvtSelectorContext* pCtxt = dynamic_cast<RootEvtSelectorContext*>( &ctxt );
175 if ( pCtxt ) {
176 TBranch* b = pCtxt->branch();
177 if ( !b ) {
178 auto fileit = pCtxt->fileIterator();
179 pCtxt->setBranch( nullptr );
180 pCtxt->setEntry( -1 );
181 if ( fileit != pCtxt->files().end() ) {
182 RootDataConnection* con = nullptr;
183 string in = *fileit;
184 StatusCode sc = m_dbMgr->connectDatabase( in, IDataConnection::READ, &con );
185 if ( sc.isSuccess() ) {
186 string section = m_rootName[0] == '/' ? m_rootName.substr( 1 ) : m_rootName;
187 b = con->getBranch( section, m_rootName );
188 if ( b ) {
189 pCtxt->setFID( con->fid() );
190 pCtxt->setBranch( b );
191 return next( ctxt );
192 }
193 }
194 m_dbMgr->disconnect( in ).ignore();
195 pCtxt->setFileIterator( ++fileit );
196 return next( ctxt );
197 }
198 return StatusCode::FAILURE;
199 }
200 long ent = pCtxt->entry();
201 Long64_t nent = b->GetEntries();
202 if ( nent > ( ent + 1 ) ) {
203 pCtxt->setEntry( ++ent );
204 return StatusCode::SUCCESS;
205 }
206 auto fit = pCtxt->fileIterator();
207 pCtxt->setFileIterator( ++fit );
208 pCtxt->setEntry( -1 );
209 pCtxt->setBranch( nullptr );
210 pCtxt->setFID( "" );
211 return next( ctxt );
212 }
213 return StatusCode::FAILURE;
214 }
StatusCode::SUCCESS
Definition: StatusCode.h:29
Gaudi::RootEvtSelectorContext::files
const Files & files() const
Access to the file container.
Definition: RootEvtSelector.cpp:59
Gaudi::RootEvtSelectorContext::fileIterator
Files::const_iterator fileIterator() const
Access to the file iterator.
Definition: RootEvtSelector.cpp:69
Gaudi::IDataConnection::fid
const std::string & fid() const
Access file id.
Definition: IIODataManager.h:55
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:50
std::vector::end
T end(T...args)
Gaudi::RootCnvSvc::connectDatabase
StatusCode connectDatabase(const std::string &dataset, int mode, RootDataConnection **con)
Connect the output file to the service with open mode.
Definition: RootCnvSvc.cpp:211
Gaudi::RootEvtSelector::m_dbMgr
RootCnvSvc * m_dbMgr
Reference to the corresponding conversion service.
Definition: RootEvtSelector.h:133
Gaudi::IDataConnection::READ
Definition: IIODataManager.h:41
Gaudi::RootEvtSelectorContext
ROOT specific event selector context.
Definition: RootEvtSelector.cpp:33
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:26
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::RootCnvSvc::disconnect
virtual StatusCode disconnect(const std::string &dbName)
Disconnect from an existing data stream.
Definition: RootCnvSvc.cpp:364
Gaudi::RootEvtSelectorContext::setBranch
void setBranch(TBranch *b)
Set the top level branch (typically /Event) used to iterate.
Definition: RootEvtSelector.cpp:83
Gaudi::RootEvtSelector::next
StatusCode next(Context &refCtxt) const override
Get next iteration item from the event loop context.
Definition: RootEvtSelector.cpp:172
Gaudi::RootEvtSelectorContext::setEntry
void setEntry(long e)
Set current event entry number.
Definition: RootEvtSelector.cpp:75
Gaudi::RootEvtSelectorContext::setFID
void setFID(const std::string &fid)
Set connection FID.
Definition: RootEvtSelector.cpp:77
std::string::substr
T substr(T...args)
Gaudi::RootEvtSelectorContext::setFileIterator
void setFileIterator(Files::const_iterator i)
Set file iterator.
Definition: RootEvtSelector.cpp:71
Gaudi::RootEvtSelectorContext::branch
TBranch * branch() const
Access to the top level branch (typically /Event) used to iterate.
Definition: RootEvtSelector.cpp:81
StatusCode::FAILURE
Definition: StatusCode.h:29
StatusCode::ignore
void ignore() const
Definition: StatusCode.h:84
Gaudi::RootDataConnection
Concrete implementation of the IDataConnection interface to access ROOT files.
Definition: RootDataConnection.h:94
Gaudi::RootEvtSelectorContext::entry
long entry() const
Access to the current event entry number.
Definition: RootEvtSelector.cpp:73
Gaudi::RootEvtSelector::m_rootName
std::string m_rootName
Property: Name of the ROOT entry name.
Definition: RootEvtSelector.h:144

StatusCode RootEvtSelector::next | ( | Context & | refCtxt,
|  | int | jump
| ) |  | const
| override

Get next iteration item from the event loop context, but skip jump elements.

Parameters

  refCtxt | [IN/OUT] Reference to the context

Returns
  StatusCode indicating success or failure

Definition at line 217 of file RootEvtSelector.cpp.

218 {
219 if ( jump > 0 ) {
220 for ( int i = 0; i < jump; ++i ) {
221 StatusCode status = next( ctxt );
222 if ( !status.isSuccess() ) {
223 return status;
224 }
225 }
226 return StatusCode::SUCCESS;
227 }
228 return StatusCode::FAILURE;
229 }
StatusCode::SUCCESS
Definition: StatusCode.h:29
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:50
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:26
Gaudi::RootEvtSelector::next
StatusCode next(Context &refCtxt) const override
Get next iteration item from the event loop context.
Definition: RootEvtSelector.cpp:172
StatusCode::FAILURE
Definition: StatusCode.h:29

StatusCode RootEvtSelector::previous | ( | Context & | refCtxt | ) | const
| override

Get previous iteration item from the event loop context.

Parameters

  refCtxt | [IN/OUT] Reference to the context
  jump | [IN] Number of events to be skipped

Returns
  StatusCode indicating success or failure

Definition at line 232 of file RootEvtSelector.cpp.

233 {
234 return error( "EventSelector Iterator, operator -- not supported " );
235 }
CommonMessagingBase::error
MsgStream & error() const
shortcut for the method msgStream(MSG::ERROR)
Definition: CommonMessaging.h:106

StatusCode RootEvtSelector::previous | ( | Context & | refCtxt,
|  | int | jump
| ) |  | const
| override

Get previous iteration item from the event loop context, but skip jump elements.

Parameters

  refCtxt | [IN/OUT] Reference to the context
  jump | [IN] Number of events to be skipped

Returns
  StatusCode indicating success or failure

Definition at line 238 of file RootEvtSelector.cpp.

239 {
240 if ( jump > 0 ) {
241 for ( int i = 0; i < jump; ++i ) {
242 StatusCode status = previous( ctxt );
243 if ( !status.isSuccess() ) {
244 return status;
245 }
246 }
247 return StatusCode::SUCCESS;
248 }
249 return StatusCode::FAILURE;
250 }
StatusCode::SUCCESS
Definition: StatusCode.h:29
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:50
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:26
StatusCode::FAILURE
Definition: StatusCode.h:29
Gaudi::RootEvtSelector::previous
StatusCode previous(Context &refCtxt) const override
Get previous iteration item from the event loop context.
Definition: RootEvtSelector.cpp:232

StatusCode RootEvtSelector::releaseContext | ( | Context *& | refCtxt | ) | const
| override

Release existing event iteration context.

Parameters

  refCtxt | [IN/OUT] Reference to the context

Returns
  StatusCode indicating success or failure

Definition at line 291 of file RootEvtSelector.cpp.

292 {
293 RootEvtSelectorContext* pCtxt = dynamic_cast<RootEvtSelectorContext*>( ctxt );
294 if ( pCtxt ) {
295 delete pCtxt;
296 return StatusCode::SUCCESS;
297 }
298 return StatusCode::FAILURE;
299 }
StatusCode::SUCCESS
Definition: StatusCode.h:29
Gaudi::RootEvtSelectorContext
ROOT specific event selector context.
Definition: RootEvtSelector.cpp:33
StatusCode::FAILURE
Definition: StatusCode.h:29

StatusCode RootEvtSelector::resetCriteria | ( | const std::string & | cr,
|  | Context & | c
| ) |  | const
| override

Will set a new criteria for the selection of the next list of events and will change the state of the context in a way to point to the new list.

Parameters

  cr | The new criteria string.
  c | Reference pointer to the Context object.

Definition at line 303 of file RootEvtSelector.cpp.

304 {
305 MsgStream log( msgSvc(), name() );
306 RootEvtSelectorContext* ctxt = dynamic_cast<RootEvtSelectorContext*>( &context );
307 string db, typ, item, sel, stmt, aut, addr;
308 if ( ctxt ) {
309 if ( criteria.compare( 0, 5, "FILE " ) == 0 ) {
310 // The format for the criteria is:
311 // FILE filename1, filename2 ...
312 db = criteria.substr( 5 );
313 } else {
314 using Parser = Gaudi::Utils::AttribStringParser;
315 for ( auto attrib : Parser( criteria ) ) {
316 string tmp = attrib.tag.substr( 0, 3 );
317 if ( tmp == "DAT" ) {
318 db = std::move( attrib.value );
319 } else if ( tmp == "OPT" ) {
320 if ( attrib.value.compare( 0, 3, "REA" ) != 0 ) {
321 log << MSG::ERROR << "Option:\"" << attrib.value << "\" not valid" << endmsg;
322 return StatusCode::FAILURE;
323 }
324 } else if ( tmp == "TYP" ) {
325 typ = std::move( attrib.value );
326 } else if ( tmp == "ADD" ) {
327 item = std::move( attrib.value );
328 } else if ( tmp == "SEL" ) {
329 sel = std::move( attrib.value );
330 } else if ( tmp == "FUN" ) {
331 stmt = std::move( attrib.value );
332 } else if ( tmp == "AUT" ) {
333 aut = std::move( attrib.value );
334 } else if ( tmp == "COL" ) {
335 addr = std::move( attrib.value );
336 }
337 }
338 }
339 // It's now time to parse the criteria for the event selection
340 // The format for the criteria is:
341 // FILE filename1, filename2 ...
342 // JOBID number1-number2, number3, ...
343 RootEvtSelectorContext::Files files;
344 string rest = db;
345 files.clear();
346 while ( true ) {
347 int ipos = rest.find_first_not_of( " ," );
348 if ( ipos == -1 ) break;
349 rest = rest.substr( ipos, string::npos ); // remove blanks before
350 int lpos = rest.find_first_of( " ," ); // locate next blank
351 files.push_back( rest.substr( 0, lpos ) ); // insert in list
352 if ( lpos == -1 ) break;
353 rest = rest.substr( lpos, string::npos ); // get the rest
354 }
355 ctxt->setFiles( files );
356 ctxt->setFileIterator( ctxt->files().begin() );
357 return StatusCode::SUCCESS;
358 }
359 return error( "Invalid iteration context." );
360 }
Gaudi::Utils::AttribStringParser
Parse attribute strings allowing iteration over the various attributes.
Definition: AttribStringParser.h:32
StatusCode::SUCCESS
Definition: StatusCode.h:29
MsgStream
Definition of the MsgStream class used to transmit messages.
Definition: MsgStream.h:24
Gaudi::RootEvtSelectorContext::files
const Files & files() const
Access to the file container.
Definition: RootEvtSelector.cpp:59
Service::name
const std::string & name() const override
Retrieve name of the service.
Definition: Service.cpp:289
std::string::find_first_not_of
T find_first_not_of(T...args)
IOTest.sel
sel
Definition: IOTest.py:95
std::vector::push_back
T push_back(T...args)
CommonMessagingBase::error
MsgStream & error() const
shortcut for the method msgStream(MSG::ERROR)
Definition: CommonMessaging.h:106
Gaudi::RootEvtSelectorContext
ROOT specific event selector context.
Definition: RootEvtSelector.cpp:33
std::string::find_first_of
T find_first_of(T...args)
CommonMessagingBase::msgSvc
const SmartIF< IMessageSvc > & msgSvc() const
The standard message service.
Definition: CommonMessaging.h:75
std::vector::clear
T clear(T...args)
std::move
T move(T...args)
Gaudi::RootEvtSelectorContext::setFiles
void setFiles(const Files &f)
Set the file container.
Definition: RootEvtSelector.cpp:61
std::vector< std::string >
std::vector::begin
T begin(T...args)
MSG::ERROR
Definition: IMessageSvc.h:16
std::string::substr
T substr(T...args)
Gaudi::RootEvtSelectorContext::setFileIterator
void setFileIterator(Files::const_iterator i)
Set file iterator.
Definition: RootEvtSelector.cpp:71
StatusCode::FAILURE
Definition: StatusCode.h:29
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209
Gaudi.Configuration.log
log
Definition: Configuration.py:13

StatusCode RootEvtSelector::rewind | ( | Context & | refCtxt | ) | const
| override

Rewind the dataset.

Parameters

  refCtxt | [IN/OUT] Reference to the context

Returns
  StatusCode indicating success or failure

Definition at line 253 of file RootEvtSelector.cpp.

254 {
255 RootEvtSelectorContext* pCtxt = dynamic_cast<RootEvtSelectorContext*>( &ctxt );
256 if ( pCtxt ) {
257 auto fileit = pCtxt->fileIterator();
258 if ( fileit != pCtxt->files().end() ) {
259 string input = *fileit;
260 m_dbMgr->disconnect( input ).ignore();
261 }
262 pCtxt->setFID( "" );
263 pCtxt->setEntry( -1 );
264 pCtxt->setBranch( nullptr );
265 pCtxt->setFileIterator( pCtxt->files().begin() );
266 return StatusCode::SUCCESS;
267 }
268 return StatusCode::FAILURE;
269 }
StatusCode::SUCCESS
Definition: StatusCode.h:29
Gaudi::RootEvtSelectorContext::files
const Files & files() const
Access to the file container.
Definition: RootEvtSelector.cpp:59
Gaudi::RootEvtSelectorContext::fileIterator
Files::const_iterator fileIterator() const
Access to the file iterator.
Definition: RootEvtSelector.cpp:69
std::vector::end
T end(T...args)
Gaudi::RootEvtSelector::m_dbMgr
RootCnvSvc * m_dbMgr
Reference to the corresponding conversion service.
Definition: RootEvtSelector.h:133
Gaudi::RootEvtSelectorContext
ROOT specific event selector context.
Definition: RootEvtSelector.cpp:33
Gaudi::RootCnvSvc::disconnect
virtual StatusCode disconnect(const std::string &dbName)
Disconnect from an existing data stream.
Definition: RootCnvSvc.cpp:364
Gaudi::RootEvtSelectorContext::setBranch
void setBranch(TBranch *b)
Set the top level branch (typically /Event) used to iterate.
Definition: RootEvtSelector.cpp:83
Gaudi::RootEvtSelectorContext::setEntry
void setEntry(long e)
Set current event entry number.
Definition: RootEvtSelector.cpp:75
std::vector::begin
T begin(T...args)
Gaudi::RootEvtSelectorContext::setFID
void setFID(const std::string &fid)
Set connection FID.
Definition: RootEvtSelector.cpp:77
Gaudi::RootEvtSelectorContext::setFileIterator
void setFileIterator(Files::const_iterator i)
Set file iterator.
Definition: RootEvtSelector.cpp:71
StatusCode::FAILURE
Definition: StatusCode.h:29
StatusCode::ignore
void ignore() const
Definition: StatusCode.h:84

## Member Data Documentation

std::string Gaudi::RootEvtSelector::m_cnvSvcName = "Gaudi::RootCnvSvc/RootCnvSvc"
| protected

Property; Name of the concversion service used to create opaque addresses.

Definition at line 142 of file RootEvtSelector.h.

std::string Gaudi::RootEvtSelector::m_criteria
| protected

Property: File criteria to define item iteration.

Definition at line 146 of file RootEvtSelector.h.

RootCnvSvc* Gaudi::RootEvtSelector::m_dbMgr
| mutable protected

Reference to the corresponding conversion service.

Definition at line 133 of file RootEvtSelector.h.

Gaudi::Property<std::string> Gaudi::RootEvtSelector::m_dummy {this, "DbType", "", "dummy property to fake backwards compatibility"}
| protected

Definition at line 139 of file RootEvtSelector.h.

Gaudi::Property<std::string> Gaudi::RootEvtSelector::m_persName
| protected

Initial value:
{this, "EvtPersistencySvc", "EventPersistencySvc",
"Name of the persistency service to search for conversion service"}

Definition at line 137 of file RootEvtSelector.h.

CLID Gaudi::RootEvtSelector::m_rootCLID = CLID_NULL
| protected

Class id of root node to create opaque address.

Definition at line 135 of file RootEvtSelector.h.

std::string Gaudi::RootEvtSelector::m_rootName
| protected

Property: Name of the ROOT entry name.

Definition at line 144 of file RootEvtSelector.h.

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

- RootCnv/RootCnv/RootEvtSelector.h
- RootCnv/src/RootEvtSelector.cpp