| The Gaudi Framework v29r1 (5cd95fa2)

- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files

- Class List
- Class Index
- Class Hierarchy
- Class Members

Classes | Public Member Functions | Protected Attributes | List of all members
EventCollectionSelector Class Reference

Definition of class EventCollectionSelector. More...

`#include <src/EventSelector/EventCollectionSelector.h>`

Inheritance diagram for EventCollectionSelector:
[legend]
Collaboration diagram for EventCollectionSelector:
[legend]

## Classes
class | MyContextType

## Public Member Functions
StatusCode | initialize () override
| Service override: Initialize service. More...
StatusCode | finalize () override
| Service override: Finalize Service. More...
StatusCode | createContext (Context *&refpCtxt) const override
| Create a new event loop context. 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 *&refpAddr) 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...
StatusCode | last (Context &refCtxt) const override
| Access last item in the iteration. More...
virtual StatusCode | connectCollection (MyContextType *ctxt) const
| Connect collection to selector. More...
virtual StatusCode | connectDataSource (const std::string &db, const std::string &typ) const
| Connect collection's data source to selector. More...
virtual StatusCode | connectTuple (const std::string &nam, const std::string &itName, NTuple::Tuple *&tup, NTuple::Item< IOpaqueAddress * > *&item) const
| Connect to existing N-tuple. More...
virtual StatusCode | connectStatement (const std::string &typ, const std::string &crit, INTuple *tuple) const
| Connect selection statement to refine data access. More...
virtual StatusCode | getNextRecord (NTuple::Tuple *tuple) const
| Read next record of the N-tuple. More...
virtual StatusCode | getPreviousRecord (NTuple::Tuple *tuple) const
| Read next record of the N-tuple. More...
| ~EventCollectionSelector () override=default
| Standard Destructor. 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
SmartIF< INTupleSvc > | m_tupleSvc
| Reference to Tuple service. More...
SmartIF< IAddressCreator > | m_pAddrCreator
Gaudi::Property< std::string > | m_tupleSvcName
Gaudi::Property< std::string > | m_authentication {this, "Authentication", "", "authentication string (if needed)"}
Gaudi::Property< std::string > | m_cntName {this, "Container", "B2PiPi", "container name"}
Gaudi::Property< std::string > | m_itemName {this, "Item", "Address", "item name"}
Gaudi::Property< std::string > | m_criteria {this, "Criteria", "", "criteria"}
Gaudi::Property< std::string > | m_database {this, "DB", "", "datafile name"}
Gaudi::Property< std::string > | m_dbType {this, "DbType", "", "database type identifier"}
Gaudi::Property< std::string > | m_dbSvc {this, "DbService", "", "database service (exclusive property with db type)"}
Gaudi::Property< std::string > | m_statement {this, "Function", "NTuple::Selector", "selector name"}
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...

## 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

Definition of class EventCollectionSelector.

Basic event selector service. The event selector service itself is able to connect other services to attached streams.

History: +------—+-------------------------------------------—+------—+ | Date | Comment | Who | +------—+-------------------------------------------—+------—+ | 3/10/00 | Initial version | M.Frank | +------—+-------------------------------------------—+------—+

Author
  Markus Frank

Version
  1.0

Definition at line 42 of file EventCollectionSelector.h.

## Constructor & Destructor Documentation

EventCollectionSelector::~EventCollectionSelector | ( |  | ) |
| override default

Standard Destructor.

## Member Function Documentation

StatusCode EventCollectionSelector::connectCollection | ( | MyContextType * | ctxt | ) | const
| virtual

Connect collection to selector.

Definition at line 193 of file EventCollectionSelector.cpp.

194 {
195 if ( ctxt ) {
196 StatusCode status = connectDataSource( m_database, m_dbType );
197 if ( status.isSuccess() ) {
198 status = connectTuple( m_cntName, m_itemName, ctxt->tuple, ctxt->item );
199 if ( status.isSuccess() ) {
200 status = connectStatement( m_statement, m_criteria, ctxt->tuple );
201 if ( status.isSuccess() ) {
202 *( ctxt->item ) = 0;
203 return status;
204 }
205 }
206 }
207 return status;
208 }
209 return StatusCode::FAILURE;
210 }
StatusCode::FAILURE
Definition: StatusCode.h:31
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
EventCollectionSelector::connectDataSource
virtual StatusCode connectDataSource(const std::string &db, const std::string &typ) const
Connect collection&#39;s data source to selector.
Definition: EventCollectionSelector.cpp:84
EventCollectionSelector::m_cntName
Gaudi::Property< std::string > m_cntName
Definition: EventCollectionSelector.h:87
EventCollectionSelector::m_database
Gaudi::Property< std::string > m_database
Definition: EventCollectionSelector.h:90
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
EventCollectionSelector::m_statement
Gaudi::Property< std::string > m_statement
Definition: EventCollectionSelector.h:93
EventCollectionSelector::m_dbType
Gaudi::Property< std::string > m_dbType
Definition: EventCollectionSelector.h:91
EventCollectionSelector::m_criteria
Gaudi::Property< std::string > m_criteria
Definition: EventCollectionSelector.h:89
EventCollectionSelector::connectTuple
virtual StatusCode connectTuple(const std::string &nam, const std::string &itName, NTuple::Tuple *&tup, NTuple::Item< IOpaqueAddress * > *&item) const
Connect to existing N-tuple.
Definition: EventCollectionSelector.cpp:105
EventCollectionSelector::m_itemName
Gaudi::Property< std::string > m_itemName
Definition: EventCollectionSelector.h:88
EventCollectionSelector::connectStatement
virtual StatusCode connectStatement(const std::string &typ, const std::string &crit, INTuple *tuple) const
Connect selection statement to refine data access.
Definition: EventCollectionSelector.cpp:125

StatusCode EventCollectionSelector::connectDataSource | ( | const std::string & | db,
|  | const std::string & | typ
| ) |  | const
| virtual

Connect collection's data source to selector.

Definition at line 84 of file EventCollectionSelector.cpp.

85 {
86 StatusCode status = StatusCode::FAILURE;
87 SmartIF<IDataSourceMgr> svc( m_tupleSvc );
88 if ( svc && !db.empty() ) {
89 std::string ident = name() + ' ';
90 ident += "DATAFILE='" + m_database.value().substr( 5 ) + "' ";
91 if ( !m_dbSvc.empty() )
92 ident += "SVC='" + m_dbSvc + "' ";
93 else
94 ident += "TYP='" + m_dbType + "' ";
95 ident += "OPT='READ' ";
96 if ( m_authentication.length() > 0 ) {
97 ident += "AUTH='" + m_authentication + "' ";
98 }
99 status = svc->connect( ident );
100 }
101 return status;
102 }
EventCollectionSelector::m_tupleSvc
SmartIF< INTupleSvc > m_tupleSvc
Reference to Tuple service.
Definition: EventCollectionSelector.h:80
SmartIF
Small smart pointer class with automatic reference counting for IInterface.
Definition: IConverter.h:15
std::string::empty
T empty(T...args)
Service::name
const std::string & name() const override
Retrieve name of the service.
Definition: Service.cpp:289
StatusCode::FAILURE
Definition: StatusCode.h:31
EventCollectionSelector::m_authentication
Gaudi::Property< std::string > m_authentication
Definition: EventCollectionSelector.h:86
EventCollectionSelector::m_database
Gaudi::Property< std::string > m_database
Definition: EventCollectionSelector.h:90
std::string
STL class.
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
EventCollectionSelector::m_dbType
Gaudi::Property< std::string > m_dbType
Definition: EventCollectionSelector.h:91
EventCollectionSelector::m_dbSvc
Gaudi::Property< std::string > m_dbSvc
Definition: EventCollectionSelector.h:92

StatusCode EventCollectionSelector::connectStatement | ( | const std::string & | typ,
|  | const std::string & | crit,
|  | INTuple * | tuple
| ) |  | const
| virtual

Connect selection statement to refine data access.

Definition at line 125 of file EventCollectionSelector.cpp.

127 {
128 std::string seltyp = typ;
129 if ( !seltyp.empty() || !crit.empty() ) {
130 if ( !crit.empty() && seltyp.length() == 0 ) seltyp = "NTuple::Selector";
131 SmartIF<ISelectStatement> stmt( ObjFactory::create( seltyp, serviceLocator() ) );
132 if ( stmt ) {
133 if ( !crit.empty() ) stmt->setCriteria( crit );
134 tuple->attachSelector( stmt ).ignore();
135 return StatusCode::SUCCESS;
136 }
137 return StatusCode::FAILURE;
138 }
139 return StatusCode::SUCCESS;
140 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
SmartIF< ISelectStatement >
std::string::empty
T empty(T...args)
StatusCode::FAILURE
Definition: StatusCode.h:31
std::string
STL class.
std::string::length
T length(T...args)
StatusCode::ignore
void ignore() const
Definition: StatusCode.h:109
INTuple::attachSelector
virtual StatusCode attachSelector(ISelectStatement *sel)=0
Attach selector.
Service::serviceLocator
SmartIF< ISvcLocator > & serviceLocator() const override
Retrieve pointer to service locator.
Definition: Service.cpp:292

StatusCode EventCollectionSelector::connectTuple | ( | const std::string & | nam,
|  | const std::string & | itName,
|  | NTuple::Tuple *& | tup,
|  | NTuple::Item< IOpaqueAddress * > *& | item
| ) |  | const
| virtual

Connect to existing N-tuple.

Definition at line 105 of file EventCollectionSelector.cpp.

107 {
108 std::string top = "/NTUPLES/" + name() + '/' + nam;
109 StatusCode status = m_tupleSvc->retrieveObject( top, (DataObject*&)tup );
110 if ( status.isSuccess() ) {
111 item = new NTuple::Item<IOpaqueAddress*>();
112 status = tup->item( itName, *item );
113 if ( status.isSuccess() ) return status;
114 error() << "Item " << itName << " is not part of the collection:" << top << endmsg;
115 delete item;
116 item = nullptr;
117 } else {
118 error() << "Cannot connect to collection:" << top << endmsg;
119 }
120 tup = nullptr;
121 return status;
122 }
EventCollectionSelector::m_tupleSvc
SmartIF< INTupleSvc > m_tupleSvc
Reference to Tuple service.
Definition: EventCollectionSelector.h:80
Service::name
const std::string & name() const override
Retrieve name of the service.
Definition: Service.cpp:289
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
std::string
STL class.
CommonMessagingBase::error
MsgStream & error() const
shortcut for the method msgStream(MSG::ERROR)
Definition: CommonMessaging.h:106
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
HiveAlgSequencer.top
top
Definition: HiveAlgSequencer.py:29
NTuple::Item< IOpaqueAddress * >
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
IDataProviderSvc::retrieveObject
virtual StatusCode retrieveObject(IRegistry *pDirectory, const std::string &path, DataObject *&pObject)=0
Retrieve object identified by its directory entry.

StatusCode EventCollectionSelector::createAddress | ( | const Context & | refCtxt,
|  | IOpaqueAddress *& | refpAddr
| ) |  | const
| override

Create new Opaque address corresponding to the current record.

Parameters

  refCtxt | [IN/OUT] Reference to the context
  refpAddr | [OUT] Reference to address pointer

Returns
  StatusCode indicating success or failure

Definition at line 275 of file EventCollectionSelector.cpp.

276 {
277 const MyContextType* ctxt = dynamic_cast<const MyContextType*>( &refCtxt );
278 if ( ctxt ) {
279 IOpaqueAddress* pA = *( ctxt->item );
280 if ( pA ) {
281 IOpaqueAddress* pAddress = nullptr;
282 StatusCode status = m_pAddrCreator->createAddress( pA->svcType(), pA->clID(), pA->par(), pA->ipar(), pAddress );
283 if ( status.isSuccess() ) {
284 refpAddr = pAddress;
285 return StatusCode::SUCCESS;
286 } else {
287 error() << "Failed to access " << pA->par()[0] << ":" << pA->par()[1] << " SvcTyp:" << long( pA->svcType() )
288 << " CLID:" << pA->clID() << endmsg;
289 }
290 }
291 }
292 return StatusCode::FAILURE;
293 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
IOpaqueAddress::clID
virtual const CLID & clID() const =0
Retrieve class information from link.
StatusCode::FAILURE
Definition: StatusCode.h:31
IAddressCreator::createAddress
virtual StatusCode createAddress(long svc_type, const CLID &clid, const std::string *par, const unsigned long *ipar, IOpaqueAddress *&refpAddress)=0
Create a Generic address using explicit arguments to identify a single object.
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
IOpaqueAddress::par
virtual const std::string * par() const =0
Retrieve String parameters.
CommonMessagingBase::error
MsgStream & error() const
shortcut for the method msgStream(MSG::ERROR)
Definition: CommonMessaging.h:106
IOpaqueAddress::ipar
virtual const unsigned long * ipar() const =0
Access to generic link parameters.
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
IOpaqueAddress::svcType
virtual long svcType() const =0
Retrieve service type.
IOpaqueAddress
Opaque address interface definition.
Definition: IOpaqueAddress.h:23
EventCollectionSelector::m_pAddrCreator
SmartIF< IAddressCreator > m_pAddrCreator
Definition: EventCollectionSelector.h:81
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209

StatusCode EventCollectionSelector::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 222 of file EventCollectionSelector.cpp.

223 {
224 refpCtxt = nullptr;
225 std::unique_ptr<MyContextType> ctxt( new MyContextType() );
226 StatusCode status = connectCollection( ctxt.get() );
227 if ( !status.isSuccess() ) {
228 error() << "Unable to connect Collection file \"" << m_database << "\"" << endmsg;
229 return status;
230 }
231 refpCtxt = ctxt.release();
232 return StatusCode::SUCCESS;
233 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
EventCollectionSelector::m_database
Gaudi::Property< std::string > m_database
Definition: EventCollectionSelector.h:90
CommonMessagingBase::error
MsgStream & error() const
shortcut for the method msgStream(MSG::ERROR)
Definition: CommonMessaging.h:106
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
std::unique_ptr
STL class.
EventCollectionSelector::connectCollection
virtual StatusCode connectCollection(MyContextType *ctxt) const
Connect collection to selector.
Definition: EventCollectionSelector.cpp:193
endmsg
MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:209

StatusCode EventCollectionSelector::finalize | ( |  | ) |
| override

Service override: Finalize Service.

Definition at line 213 of file EventCollectionSelector.cpp.

214 {
215 // release services
216 m_pAddrCreator = nullptr;
217 m_tupleSvc = nullptr;
218 return Service::finalize();
219 }
EventCollectionSelector::m_tupleSvc
SmartIF< INTupleSvc > m_tupleSvc
Reference to Tuple service.
Definition: EventCollectionSelector.h:80
Service::finalize
StatusCode finalize() override
Definition: Service.cpp:174
EventCollectionSelector::m_pAddrCreator
SmartIF< IAddressCreator > m_pAddrCreator
Definition: EventCollectionSelector.h:81

StatusCode EventCollectionSelector::getNextRecord | ( | NTuple::Tuple * | tuple | ) | const
| virtual

Read next record of the N-tuple.

Definition at line 143 of file EventCollectionSelector.cpp.

144 {
145 StatusCode status = StatusCode::FAILURE;
146 if ( tuple ) {
147 do {
148 status = m_tupleSvc->readRecord( tuple );
149 if ( status.isSuccess() ) {
150 ISelectStatement* statement = tuple->selector();
151 bool use_it = ( statement ) ? ( *statement )( tuple ) : true;
152 if ( use_it ) {
153 return status;
154 }
155 }
156 } while ( status.isSuccess() );
157 }
158 return status;
159 }
EventCollectionSelector::m_tupleSvc
SmartIF< INTupleSvc > m_tupleSvc
Reference to Tuple service.
Definition: EventCollectionSelector.h:80
StatusCode::FAILURE
Definition: StatusCode.h:31
ISelectStatement
A select statement can either contain.
Definition: ISelectStatement.h:32
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
INTuple::selector
virtual ISelectStatement * selector()=0
Access selector.
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
INTupleSvc::readRecord
virtual StatusCode readRecord(NTuple::Tuple *tuple)=0
Read single record from N tuple.

StatusCode EventCollectionSelector::getPreviousRecord | ( | NTuple::Tuple * | tuple | ) | const
| virtual

Read next record of the N-tuple.

Read previous record of the N-tuple.

Definition at line 162 of file EventCollectionSelector.cpp.

163 {
164 StatusCode status = StatusCode::FAILURE;
165 if ( tuple ) {
166 IRegistry* pReg = tuple->registry();
167 if ( pReg ) {
168 IOpaqueAddress* pAddr = pReg->address();
169 if ( pAddr ) {
170 long* ip = (long*)pAddr->ipar();
171 do {
172 if ( ip[1] > 1 ) {
173 ip[1] -= 2;
174 status = m_tupleSvc->readRecord( tuple );
175 if ( status.isSuccess() ) {
176 ISelectStatement* statement = tuple->selector();
177 bool use_it = ( statement ) ? ( *statement )( tuple ) : true;
178 if ( use_it ) {
179 return status;
180 }
181 }
182 } else {
183 return StatusCode::FAILURE;
184 }
185 } while ( status.isSuccess() );
186 }
187 }
188 }
189 return StatusCode::FAILURE;
190 }
EventCollectionSelector::m_tupleSvc
SmartIF< INTupleSvc > m_tupleSvc
Reference to Tuple service.
Definition: EventCollectionSelector.h:80
StatusCode::FAILURE
Definition: StatusCode.h:31
ISelectStatement
A select statement can either contain.
Definition: ISelectStatement.h:32
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
INTuple::selector
virtual ISelectStatement * selector()=0
Access selector.
DataObject::registry
IRegistry * registry() const
Get pointer to Registry.
Definition: DataObject.h:72
IOpaqueAddress::ipar
virtual const unsigned long * ipar() const =0
Access to generic link parameters.
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
IRegistry
The IRegistry represents the entry door to the environment any data object residing in a transient da...
Definition: IRegistry.h:22
INTupleSvc::readRecord
virtual StatusCode readRecord(NTuple::Tuple *tuple)=0
Read single record from N tuple.
IOpaqueAddress
Opaque address interface definition.
Definition: IOpaqueAddress.h:23
IRegistry::address
virtual IOpaqueAddress * address() const =0
Retrieve opaque storage address.

StatusCode EventCollectionSelector::initialize | ( |  | ) |
| override

Service override: Initialize service.

Definition at line 61 of file EventCollectionSelector.cpp.

62 {
63 // Initialize base class
64 StatusCode status = Service::initialize();
65 if ( !status.isSuccess() ) {
66 error() << "Error initializing base class Service!" << endmsg;
67 return status;
68 }
69 m_pAddrCreator = serviceLocator()->service( "EventPersistencySvc" );
70 if ( !m_pAddrCreator ) {
71 error() << "Unable to locate IAddressCreator interface of "
72 << "EventPersistencySvc" << endmsg;
73 return status;
74 }
75 m_tupleSvc = serviceLocator()->service( m_tupleSvcName );
76 if ( !m_tupleSvc ) {
77 error() << "Unable to locate INTupleSvc interface of " << m_tupleSvcName << endmsg;
78 return status;
79 }
80 return status;
81 }
EventCollectionSelector::m_tupleSvc
SmartIF< INTupleSvc > m_tupleSvc
Reference to Tuple service.
Definition: EventCollectionSelector.h:80
Service::initialize
StatusCode initialize() override
Definition: Service.cpp:64
StatusCode::isSuccess
bool isSuccess() const
Test for a status code of SUCCESS.
Definition: StatusCode.h:75
EventCollectionSelector::m_tupleSvcName
Gaudi::Property< std::string > m_tupleSvcName
Definition: EventCollectionSelector.h:84
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
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
EventCollectionSelector::m_pAddrCreator
SmartIF< IAddressCreator > m_pAddrCreator
Definition: EventCollectionSelector.h:81
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

StatusCode EventCollectionSelector::last | ( | Context & | refCtxt | ) | const
| override

Access last item in the iteration.

Parameters

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

Returns
  StatusCode indicating success or failure

Definition at line 320 of file EventCollectionSelector.cpp.

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

StatusCode EventCollectionSelector::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 236 of file EventCollectionSelector.cpp.

236 { return next( refCtxt, 1 ); }
EventCollectionSelector::next
StatusCode next(Context &refCtxt) const override
Get next iteration item from the event loop context.
Definition: EventCollectionSelector.cpp:236

StatusCode EventCollectionSelector::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 239 of file EventCollectionSelector.cpp.

240 {
241 MyContextType* ctxt = dynamic_cast<MyContextType*>( &refCtxt );
242 if ( ctxt ) {
243 *( ctxt->item ) = ctxt->addressBuffer;
244 StatusCode sc = StatusCode::SUCCESS;
245 for ( int i = 0; i < jump && sc.isSuccess(); ++i ) {
246 sc = getNextRecord( ctxt->tuple );
247 }
248 return sc;
249 }
250 return StatusCode::FAILURE;
251 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
EventCollectionSelector::getNextRecord
virtual StatusCode getNextRecord(NTuple::Tuple *tuple) const
Read next record of the N-tuple.
Definition: EventCollectionSelector.cpp:143
StatusCode::FAILURE
Definition: StatusCode.h:31
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28

StatusCode EventCollectionSelector::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 254 of file EventCollectionSelector.cpp.

254 { return previous( refCtxt, 1 ); }
EventCollectionSelector::previous
StatusCode previous(Context &refCtxt) const override
Get previous iteration item from the event loop context.
Definition: EventCollectionSelector.cpp:254

StatusCode EventCollectionSelector::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 257 of file EventCollectionSelector.cpp.

258 {
259 MyContextType* ctxt = dynamic_cast<MyContextType*>( &refCtxt );
260 if ( ctxt ) {
261 *( ctxt->item ) = ctxt->addressBuffer;
262 StatusCode sc = StatusCode::SUCCESS;
263 for ( int i = 0; i < jump && sc.isSuccess(); ++i ) {
264 sc = getPreviousRecord( ctxt->tuple );
265 }
266 return sc;
267 }
268 return StatusCode::FAILURE;
269 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
StatusCode::FAILURE
Definition: StatusCode.h:31
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:28
EventCollectionSelector::getPreviousRecord
virtual StatusCode getPreviousRecord(NTuple::Tuple *tuple) const
Read next record of the N-tuple.
Definition: EventCollectionSelector.cpp:162

StatusCode EventCollectionSelector::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 296 of file EventCollectionSelector.cpp.

297 {
298 MyContextType* ctxt = dynamic_cast<MyContextType*>( refCtxt );
299 if ( ctxt ) {
300 delete ctxt;
301 ctxt = nullptr;
302 return StatusCode::SUCCESS;
303 }
304 return StatusCode::FAILURE;
305 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
StatusCode::FAILURE
Definition: StatusCode.h:31

StatusCode EventCollectionSelector::resetCriteria | ( | const std::string & | cr,
|  | Context & | refCtxt
| ) |  | 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.

Returns
  StatusCode indicating success or failure

Definition at line 309 of file EventCollectionSelector.cpp.

310 {
311 MyContextType* ctxt = dynamic_cast<MyContextType*>( &refCtxt );
312 if ( ctxt ) {
313 ctxt->criteria = cr;
314 return StatusCode::SUCCESS;
315 }
316 return StatusCode::FAILURE;
317 }
StatusCode::SUCCESS
Definition: StatusCode.h:31
StatusCode::FAILURE
Definition: StatusCode.h:31

StatusCode EventCollectionSelector::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 272 of file EventCollectionSelector.cpp.

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

## Member Data Documentation

Gaudi::Property<std::string> EventCollectionSelector::m_authentication {this, "Authentication", "", "authentication string (if needed)"}
| protected

Definition at line 86 of file EventCollectionSelector.h.

Gaudi::Property<std::string> EventCollectionSelector::m_cntName {this, "Container", "B2PiPi", "container name"}
| protected

Definition at line 87 of file EventCollectionSelector.h.

Gaudi::Property<std::string> EventCollectionSelector::m_criteria {this, "Criteria", "", "criteria"}
| protected

Definition at line 89 of file EventCollectionSelector.h.

Gaudi::Property<std::string> EventCollectionSelector::m_database {this, "DB", "", "datafile name"}
| protected

Definition at line 90 of file EventCollectionSelector.h.

Gaudi::Property<std::string> EventCollectionSelector::m_dbSvc {this, "DbService", "", "database service (exclusive property with db type)"}
| protected

Definition at line 92 of file EventCollectionSelector.h.

Gaudi::Property<std::string> EventCollectionSelector::m_dbType {this, "DbType", "", "database type identifier"}
| protected

Definition at line 91 of file EventCollectionSelector.h.

Gaudi::Property<std::string> EventCollectionSelector::m_itemName {this, "Item", "Address", "item name"}
| protected

Definition at line 88 of file EventCollectionSelector.h.

SmartIF<IAddressCreator> EventCollectionSelector::m_pAddrCreator
| mutable protected

Definition at line 81 of file EventCollectionSelector.h.

Gaudi::Property<std::string> EventCollectionSelector::m_statement {this, "Function", "NTuple::Selector", "selector name"}
| protected

Definition at line 93 of file EventCollectionSelector.h.

SmartIF<INTupleSvc> EventCollectionSelector::m_tupleSvc
| mutable protected

Reference to Tuple service.

Definition at line 80 of file EventCollectionSelector.h.

Gaudi::Property<std::string> EventCollectionSelector::m_tupleSvcName
| protected

Initial value:
{this, "CnvService", "EvtTupleSvc",
"name of the event collection service"}

Definition at line 84 of file EventCollectionSelector.h.

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

- GaudiCoreSvc/src/EventSelector/EventCollectionSelector.h
- GaudiCoreSvc/src/EventSelector/EventCollectionSelector.cpp