Class definition of EventLoopMgr. More...

#include <src/ApplicationMgr/EventLoopMgr.h>

Inheritance diagram for EventLoopMgr:

Collaboration diagram for EventLoopMgr:

Public Member Functions
	EventLoopMgr (const std::string &nam, ISvcLocator *svcLoc)
	Standard Constructor. More...

virtual	~EventLoopMgr ()
	Standard Destructor. More...

StatusCode	getEventRoot (IOpaqueAddress *&refpAddr)
	Create event address using event selector. More...

virtual StatusCode	initialize ()
	implementation of IService::initialize More...

virtual StatusCode	reinitialize ()
	implementation of IService::reinitialize More...

virtual StatusCode	stop ()
	implementation of IService::stop More...

virtual StatusCode	finalize ()
	implementation of IService::finalize More...

virtual StatusCode	nextEvent (int maxevt)
	implementation of IService::nextEvent More...

virtual StatusCode	executeEvent (void *par)
	implementation of IEventProcessor::executeEvent(void* par) More...

virtual StatusCode	executeRun (int maxevt)
	implementation of IEventProcessor::executeRun() More...

Public Member Functions inherited from MinimalEventLoopMgr
	MinimalEventLoopMgr (const std::string &nam, ISvcLocator *svcLoc)
	Standard Constructor. More...

virtual	~MinimalEventLoopMgr ()
	Standard Destructor. More...

virtual StatusCode	start ()
	implementation of IService::start More...

virtual StatusCode	restart ()
	implementation of IService::restart More...

virtual StatusCode	stopRun ()
	implementation of IEventProcessor::stopRun( ) More...

void	topAlgHandler (Property &p)
	Top algorithm List handler. More...

StatusCode	decodeTopAlgs ()
	decodeTopAlgNameList & topAlgNameListHandler More...

void	outStreamHandler (Property &p)
	Output stream List handler. More...

StatusCode	decodeOutStreams ()
	decodeOutStreamNameList & outStreamNameListHandler More...

Public Member Functions inherited from extends1< Service, IEventProcessor >
	extends1 (A1 a1, A2 a2, A3 a3)
	Templated constructor with 3 arguments. More...

	extends1 (A1 a1, A2 a2)
	Templated constructor with 2 arguments. More...

	extends1 (A1 a1)
	Templated constructor with 1 argument. More...

	extends1 ()
	Default constructor. More...

virtual void *	i_cast (const InterfaceID &tid) const
	Implementation of IInterface::i_cast. More...

virtual StatusCode	queryInterface (const InterfaceID &ti, void **pp)
	Implementation of IInterface::queryInterface. More...

virtual std::vector< std::string >	getInterfaceNames () const
	Implementation of IInterface::getInterfaceNames. More...

virtual	~extends1 ()
	Virtual destructor. More...

Public Member Functions inherited from Service
virtual unsigned long	release ()
	Release Interface instance. More...

virtual const std::string &	name () const
	Retrieve name of the service. More...

virtual StatusCode	configure ()
	Configuration (from OFFLINE to CONFIGURED). More...

virtual StatusCode	terminate ()
	Initialization (from CONFIGURED to OFFLINE). More...

virtual Gaudi::StateMachine::State	FSMState () const
	Get the current state. More...

virtual Gaudi::StateMachine::State	targetFSMState () const
	When we are in the middle of a transition, get the state where the transition is leading us. More...

virtual StatusCode	sysInitialize ()
	Initialize Service. More...

virtual StatusCode	sysStart ()
	Initialize Service. More...

virtual StatusCode	sysStop ()
	Initialize Service. More...

virtual StatusCode	sysFinalize ()
	Finalize Service. More...

virtual StatusCode	sysReinitialize ()
	Re-initialize the Service. More...

virtual StatusCode	sysRestart ()
	Re-initialize the Service. More...

virtual StatusCode	setProperty (const Property &p)
	Set the property by property. More...

virtual StatusCode	setProperty (const std::string &s)
	Set the property by string. More...

virtual StatusCode	setProperty (const std::string &n, const std::string &v)
	Set the property by std::string. More...

virtual StatusCode	getProperty (Property *p) const
	Get the property by property. More...

virtual const Property &	getProperty (const std::string &name) const
	Get the property by name. More...

virtual StatusCode	getProperty (const std::string &n, std::string &v) const
	Get the property by std::string. More...

virtual const std::vector < Property * > &	getProperties () const
	Get list of properties. More...

template<class TYPE >
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value More...

	Service (const std::string &name, ISvcLocator *svcloc)
	Standard Constructor. More...

SmartIF< ISvcLocator > &	serviceLocator () const
	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<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 >
Property *	declareProperty (const std::string &name, T &property, const std::string &doc="none") const
	Declare the named property. More...

Property *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="") const
	Declare remote named properties. More...

SmartIF< IAuditorSvc > &	auditorSvc () const
	The standard auditor service.May not be invoked before sysInitialize() has been invoked. More...

Public Member Functions inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
	CommonMessaging (const A1 &a1, const A2 &a2, const A3 &a3)
	Templated constructor with 3 arguments. More...

	CommonMessaging (const A1 &a1, const A2 &a2)
	Templated constructor with 2 arguments. More...

	CommonMessaging (const A1 &a1)
	Templated constructor with 1 argument. More...

	CommonMessaging ()
	Default constructor. More...

virtual	~CommonMessaging ()
	Virtual destructor. More...

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 output level from the embedded MsgStream More...

bool	msgLevel (MSG::Level lvl) const
	get the output level from the embedded MsgStream More...

Public Member Functions inherited from extend_interfaces3< IService, IProperty, IStateful >
virtual	~extend_interfaces3 ()
	Virtual destructor. More...

Public Member Functions inherited from IService
	DeclareInterfaceID (IService, 3, 0)
	InterfaceID. More...

virtual	~IService ()
	virtual destructor More...

Public Member Functions inherited from INamedInterface
	DeclareInterfaceID (INamedInterface, 1, 0)
	InterfaceID. More...

virtual	~INamedInterface ()
	Virtual destructor (always needed for abstract classes). More...

Public Member Functions inherited from IInterface
virtual unsigned long	addRef ()=0
	Increment the reference count of Interface instance. More...

virtual unsigned long	refCount () const =0
	Current reference count. More...

virtual	~IInterface ()
	Virtual destructor. More...

Public Member Functions inherited from IProperty
	DeclareInterfaceID (IProperty, 2, 0)
	InterfaceID. More...

Public Member Functions inherited from IStateful
	DeclareInterfaceID (IStateful, 1, 0)
	InterfaceID. More...

virtual	~IStateful ()

Public Member Functions inherited from extend_interfaces1< IEventProcessor >
virtual	~extend_interfaces1 ()
	Virtual destructor. More...

Public Member Functions inherited from IEventProcessor
	DeclareInterfaceID (IEventProcessor, 3, 0)
	InterfaceID. More...

Protected Attributes
SmartIF< IDataManagerSvc >	m_evtDataMgrSvc
	Reference to the Event Data Service's IDataManagerSvc interface. More...

SmartIF< IDataProviderSvc >	m_evtDataSvc
	Reference to the Event Data Service's IDataProviderSvc interface. More...

SmartIF< IEvtSelector >	m_evtSelector
	Reference to the Event Selector. More...

IEvtSelector::Context *	m_evtContext
	Event Iterator. More...

std::string	m_evtsel
	Event selector. More...

SmartIF< IDataManagerSvc >	m_histoDataMgrSvc
	Reference to the Histogram Data Service. More...

SmartIF< IConversionSvc >	m_histoPersSvc
	Reference to the Histogram Persistency Service. More...

std::string	m_histPersName
	Name of the Hist Pers type. More...

SmartIF< IProperty >	m_appMgrProperty
	Property interface of ApplicationMgr. More...

bool	m_endEventFired
	Flag to avoid to fire the EnvEvent incident twice in a row (and also not before the first event) More...

bool	m_warnings
	Flag to disable warning messages when using external input. More...

Protected Attributes inherited from MinimalEventLoopMgr
SmartIF< IAppMgrUI >	m_appMgrUI
	Reference to the IAppMgrUI interface of the application manager. More...

SmartIF< IIncidentSvc >	m_incidentSvc
	Reference to the incident service. More...

ListAlg	m_topAlgList
	List of top level algorithms. More...

ListAlg	m_outStreamList
	List of output streams. More...

std::string	m_outStreamType
	Out Stream type. More...

StringArrayProperty	m_topAlgNames
	List of top level algorithms names. More...

StringArrayProperty	m_outStreamNames
	List of output stream names. More...

State	m_state
	State of the object. More...

bool	m_scheduledStop
	Scheduled stop of event processing. More...

SmartIF< IIncidentListener >	m_abortEventListener
	Instance of the incident listener waiting for AbortEvent. More...

bool	m_abortEvent
	Flag signalling that the event being processedhas to be aborted (skip all following top algs). More...

std::string	m_abortEventSource
	Source of the AbortEvent incident. More...

Protected Attributes inherited from Service
IntegerProperty	m_outputLevel
	Service output level. More...

Gaudi::StateMachine::State	m_state
	Service state. More...

Gaudi::StateMachine::State	m_targetState
	Service state. More...

Protected Attributes inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
SmartIF< IMessageSvc >	m_msgsvc
	Pointer to the message service;. More...

std::auto_ptr< MsgStream >	m_msgStream
	The predefined message stream. More...

bool	m_streamWithService
	Flag to create a new MsgStream if it was created without the message service. More...

Additional Inherited Members
Public Types inherited from MinimalEventLoopMgr
typedef std::list< SmartIF < IAlgorithm > >	ListAlg

typedef std::list< IAlgorithm * >	ListAlgPtrs

typedef std::list< std::string >	ListName

typedef std::vector< std::string >	VectorName

Public Types inherited from extends1< Service, IEventProcessor >
typedef extends1	base_class
	Typedef to this class. More...

typedef extend_interfaces1 < IEventProcessor >	extend_interfaces_base
	Typedef to the base of this class. More...

typedef extend_interfaces_base::ext_iids	interfaces
	MPL set of all the implemented interfaces. More...

Public Types inherited from Service
typedef Gaudi::PluginService::Factory < IService , const std::string &, ISvcLocator >	Factory

Public Types inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
typedef CommonMessaging	base_class

Public Types inherited from implements3< IService, IProperty, IStateful >
typedef implements3	base_class
	Typedef to this class. More...

typedef extend_interfaces3 < IService, IProperty, IStateful >	extend_interfaces_base
	Typedef to the base of this class. More...

typedef extend_interfaces_base::ext_iids	interfaces
	MPL set of all the implemented interfaces. More...

Public Types inherited from extend_interfaces3< IService, IProperty, IStateful >
typedef mpl::fold< typename IService::iid::iids::type, typename mpl::fold< typename IProperty::iid::iids::type, typename IStateful::iid::iids::type, mpl::insert< mpl::_1, mpl::_2 > >::type, mpl::insert< mpl::_1, mpl::_2 > >::type	ext_iids
	MPL set of interfaces extended by this one. More...

Public Types inherited from IInterface
enum	Status { SUCCESS = 1, NO_INTERFACE, VERSMISMATCH, LAST_ERROR }
	Return status. More...

typedef Gaudi::InterfaceId < IInterface, 0, 0 >	iid
	Interface ID. More...

typedef mpl::set1< iid >	ext_iids
	Extra interfaces. More...

Public Types inherited from extend_interfaces1< IEventProcessor >
typedef IEventProcessor::iid::iids::type	ext_iids
	MPL set of interfaces extended by this one. More...

Static Public Member Functions inherited from IInterface
static const InterfaceID &	interfaceID ()
	Return an instance of InterfaceID identifying the interface. More...

Protected Types inherited from MinimalEventLoopMgr
enum	State { OFFLINE, CONFIGURED, FINALIZED, INITIALIZED }

Protected Member Functions inherited from Service
virtual	~Service ()
	Standard Destructor. More...

int	outputLevel () const
	get the `Service's` output level More...

Protected Member Functions inherited from CommonMessaging< implements3< IService, IProperty, IStateful > >
void	updateMsgStreamOutputLevel (int level)
	Update the output level of the cached MsgStream. More...

Detailed Description

Class definition of EventLoopMgr.

This is the default processing manager of the application manager. This object handles the minimal requirements needed by the application manager. It also handles the default user configuration setup for standard event processing.

handling of the incidents when starting event processing
handling of the event loop

History:

 +---------+----------------------------------------------+---------+
 |    Date |                 Comment                      | Who     |
 +---------+----------------------------------------------+---------+
 |13/12/00 | Initial version                              | M.Frank |
 +---------+----------------------------------------------+---------+

Author: Markus Frank

Version: 1.0

Definition at line 39 of file EventLoopMgr.h.

Constructor & Destructor Documentation

EventLoopMgr::EventLoopMgr	(	const std::string &	nam,
		ISvcLocator *	svcLoc
	)

Standard Constructor.

Definition at line 31 of file EventLoopMgr.cpp.

 : MinimalEventLoopMgr(nam, svcLoc)
 {
   m_histoDataMgrSvc   = 0;
   m_histoPersSvc      = 0;
   m_evtDataMgrSvc     = 0;
   m_evtDataSvc        = 0;
   m_evtSelector       = 0;
   m_evtContext        = 0;
   m_endEventFired     = true;
 
   // Declare properties
   declareProperty("HistogramPersistency", m_histPersName = "");
   declareProperty("EvtSel", m_evtsel );
   declareProperty("Warnings",m_warnings=true,
           "Set this property to false to suppress warning messages");
 }

EventLoopMgr::~EventLoopMgr ( )

virtual

Standard Destructor.

Definition at line 52 of file EventLoopMgr.cpp.

                               {
   if( m_histoDataMgrSvc ) m_histoDataMgrSvc->release();
   if( m_histoPersSvc ) m_histoPersSvc->release();
   if( m_evtDataMgrSvc ) m_evtDataMgrSvc->release();
   if( m_evtDataSvc ) m_evtDataSvc->release();
   if( m_evtSelector ) m_evtSelector->release();
   if( m_evtContext ) delete m_evtContext;
 }

Member Function Documentation

StatusCode EventLoopMgr::executeEvent ( void * par )

virtual

implementation of IEventProcessor::executeEvent(void* par)

Reimplemented from MinimalEventLoopMgr.

Definition at line 287 of file EventLoopMgr.cpp.

                                                   {
 
   // Fire BeginEvent "Incident"
   m_incidentSvc->fireIncident(Incident(name(),IncidentType::BeginEvent));
   // An incident may schedule a stop, in which case is better to exit before the actual execution.
   if ( m_scheduledStop ) {
     always() << "Terminating event processing loop due to a stop scheduled by an incident listener" << endmsg;
     return StatusCode::SUCCESS;
   }
 
   // Execute Algorithms
   m_incidentSvc->fireIncident(Incident(name(), IncidentType::BeginProcessing));
   StatusCode sc = MinimalEventLoopMgr::executeEvent(par);
   m_incidentSvc->fireIncident(Incident(name(), IncidentType::EndProcessing));
 
   // Check if there was an error processing current event
   if( UNLIKELY(!sc.isSuccess()) ){
     error() << "Terminating event processing loop due to errors" << endmsg;
   }
   return sc;
 }

StatusCode EventLoopMgr::executeRun ( int maxevt )

virtual

implementation of IEventProcessor::executeRun()

Reimplemented from MinimalEventLoopMgr.

Definition at line 312 of file EventLoopMgr.cpp.

                                                    {
   StatusCode  sc;
   // initialize the base class
   sc = MinimalEventLoopMgr::executeRun(maxevt);
   return sc;
 }

StatusCode EventLoopMgr::finalize ( )

virtual

implementation of IService::finalize

Reimplemented from MinimalEventLoopMgr.

Definition at line 218 of file EventLoopMgr.cpp.

                                      {
   StatusCode sc;
 
   // Finalize base class
   sc = MinimalEventLoopMgr::finalize();
   if (! sc.isSuccess()) {
     error() << "Error finalizing base class" << endmsg;
     return sc;
   }
 
   // Save Histograms Now
   if ( m_histoPersSvc != 0 )    {
     HistogramAgent agent;
     sc = m_histoDataMgrSvc->traverseTree( &agent );
     if( sc.isSuccess() )   {
       IDataSelector* objects = agent.selectedObjects();
       // skip /stat entry!
       if ( objects->size() > 0 )    {
         IDataSelector::iterator i;
         for ( i = objects->begin(); i != objects->end(); i++ )    {
           IOpaqueAddress* pAddr = 0;
           StatusCode iret = m_histoPersSvc->createRep(*i, pAddr);
           if ( iret.isSuccess() )     {
             (*i)->registry()->setAddress(pAddr);
           }
           else  {
             sc = iret;
           }
         }
         for ( i = objects->begin(); i != objects->end(); i++ )    {
           IRegistry* reg = (*i)->registry();
           StatusCode iret = m_histoPersSvc->fillRepRefs(reg->address(), *i);
           if ( !iret.isSuccess() )    {
             sc = iret;
           }
         }
       }
       if ( sc.isSuccess() )    {
         info() << "Histograms converted successfully according to request." << endmsg;
       }
       else  {
         error() << "Error while saving Histograms." << endmsg;
       }
     }
     else {
       error() << "Error while traversing Histogram data store" << endmsg;
     }
   }
 
   // Release event selector context
   if ( m_evtSelector && m_evtContext )   {
     m_evtSelector->releaseContext(m_evtContext).ignore();
     m_evtContext = 0;
   }
 
   // Release all interfaces...
   m_histoDataMgrSvc = 0;
   m_histoPersSvc    = 0;
 
   m_evtSelector     = 0;
   m_evtDataSvc      = 0;
   m_evtDataMgrSvc   = 0;
 
   return StatusCode::SUCCESS;
 }

StatusCode EventLoopMgr::getEventRoot ( IOpaqueAddress *& refpAddr )

Create event address using event selector.

Definition at line 391 of file EventLoopMgr.cpp.

                                                                 {
   refpAddr = 0;
   StatusCode sc = m_evtSelector->next(*m_evtContext);
   if ( !sc.isSuccess() )  {
     return sc;
   }
   // Create root address and assign address to data service
   sc = m_evtSelector->createAddress(*m_evtContext,refpAddr);
   if( !sc.isSuccess() )  {
     sc = m_evtSelector->next(*m_evtContext);
     if ( sc.isSuccess() )  {
       sc = m_evtSelector->createAddress(*m_evtContext,refpAddr);
       if ( !sc.isSuccess() )  {
         warning() << "Error creating IOpaqueAddress." << endmsg;
       }
     }
   }
   return sc;
 }

StatusCode EventLoopMgr::initialize ( )

virtual

implementation of IService::initialize

Reimplemented from MinimalEventLoopMgr.

Definition at line 64 of file EventLoopMgr.cpp.

                                        {
   // Initialize the base class
   StatusCode sc = MinimalEventLoopMgr::initialize();
   if( !sc.isSuccess() ) {
     DEBMSG << "Error Initializing base class MinimalEventLoopMgr." << endmsg;
     return sc;
   }
 
   // Setup access to event data services
   m_evtDataMgrSvc = serviceLocator()->service("EventDataSvc");
   if( !m_evtDataMgrSvc.isValid() )  {
     fatal() << "Error retrieving EventDataSvc interface IDataManagerSvc." << endmsg;
     return StatusCode::FAILURE;
   }
   m_evtDataSvc = serviceLocator()->service("EventDataSvc");
   if( !m_evtDataSvc.isValid() )  {
     fatal() << "Error retrieving EventDataSvc interface IDataProviderSvc." << endmsg;
     return StatusCode::FAILURE;
   }
 
   // Obtain the IProperty of the ApplicationMgr
   m_appMgrProperty = serviceLocator();
   if ( ! m_appMgrProperty.isValid() )   {
     fatal() << "IProperty interface not found in ApplicationMgr." << endmsg;
     return StatusCode::FAILURE;
   }
 
   // We do not expect a Event Selector necessarily being declared
   setProperty(m_appMgrProperty->getProperty("EvtSel")).ignore();
 
   if( m_evtsel != "NONE" || m_evtsel.length() == 0) {
     m_evtSelector = serviceLocator()->service("EventSelector");
     if( m_evtSelector.isValid() ) {
       // Setup Event Selector
       sc=m_evtSelector->createContext(m_evtContext);
       if( !sc.isSuccess() )   {
         fatal() << "Can not create the event selector Context." << endmsg;
         return sc;
       }
     }
     else {
       fatal() << "EventSelector not found." << endmsg;
       return sc;
     }
   }
   else {
     m_evtSelector = 0;
     m_evtContext = 0;
     if ( m_warnings ) {
       warning() << "Unable to locate service \"EventSelector\" " << endmsg;
       warning() << "No events will be processed from external input." << endmsg;
     }
   }
 
   // Setup access to histogramming services
   m_histoDataMgrSvc = serviceLocator()->service("HistogramDataSvc");
   if( !m_histoDataMgrSvc.isValid() )  {
     fatal() << "Error retrieving HistogramDataSvc." << endmsg;
     return sc;
   }
   // Setup histogram persistency
   m_histoPersSvc = serviceLocator()->service("HistogramPersistencySvc");
   if( !m_histoPersSvc.isValid() ) {
     warning() << "Histograms cannot not be saved - though required." << endmsg;
     return sc;
   }
 
   return StatusCode::SUCCESS;
 }

StatusCode EventLoopMgr::nextEvent ( int maxevt )

virtual

implementation of IService::nextEvent

Reimplemented from MinimalEventLoopMgr.

Definition at line 322 of file EventLoopMgr.cpp.

                                                {
   static int        total_nevt = 0;
   DataObject*       pObject = 0;
   StatusCode        sc(StatusCode::SUCCESS, true);
 
   // loop over events if the maxevt (received as input) if different from -1.
   // if evtmax is -1 it means infinite loop
   for( int nevt = 0; (maxevt == -1 ? true : nevt < maxevt);  nevt++, total_nevt++) {
 
     // Check if there is a scheduled stop issued by some algorithm/service
     if ( m_scheduledStop ) {
       m_scheduledStop = false;
       always() << "Terminating event processing loop due to scheduled stop" << endmsg;
       break;
     }
     // Clear the event store, if used in the event loop
     if( 0 != total_nevt ) {
 
       if ( ! m_endEventFired ) {
         // Fire EndEvent "Incident" (it is considered part of the clearing of the TS)
         m_incidentSvc->fireIncident(Incident(name(),IncidentType::EndEvent));
         m_endEventFired = true;
       }
       sc = m_evtDataMgrSvc->clearStore();
       if( !sc.isSuccess() )  {
         DEBMSG << "Clear of Event data store failed" << endmsg;
       }
     }
 
     // Setup event in the event store
     if( m_evtContext ) {
       IOpaqueAddress* addr = 0;
       // Only if there is a EventSelector
       sc = getEventRoot(addr);
       if( !sc.isSuccess() )  {
         info() << "No more events in event selection " << endmsg;
         break;
       }
       // Set root clears the event data store first
       sc = m_evtDataMgrSvc->setRoot ("/Event", addr);
       if( !sc.isSuccess() )  {
         warning() << "Error declaring event root address." << endmsg;
         continue;
       }
       sc = m_evtDataSvc->retrieveObject("/Event", pObject);
       if( !sc.isSuccess() ) {
         warning() << "Unable to retrieve Event root object" << endmsg;
         break;
       }
     }
     else {
       sc = m_evtDataMgrSvc->setRoot ("/Event", new DataObject());
       if( !sc.isSuccess() )  {
         warning() << "Error declaring event root DataObject" << endmsg;
       }
     }
     // Execute event for all required algorithms
     sc = executeEvent(NULL);
     m_endEventFired = false;
     if( !sc.isSuccess() ){
       error() << "Terminating event processing loop due to errors" << endmsg;
       Gaudi::setAppReturnCode(m_appMgrProperty, Gaudi::ReturnCode::AlgorithmFailure).ignore();
       return sc;
     }
   }
   return StatusCode::SUCCESS;
 }

StatusCode EventLoopMgr::reinitialize ( )

virtual

implementation of IService::reinitialize

Reimplemented from MinimalEventLoopMgr.

Definition at line 136 of file EventLoopMgr.cpp.

                                       {
 
   // Initialize the base class
   StatusCode sc = MinimalEventLoopMgr::reinitialize();
   if( !sc.isSuccess() ) {
     DEBMSG << "Error Initializing base class MinimalEventLoopMgr." << endmsg;
     return sc;
   }
 
   // Check to see whether a new Event Selector has been specified
   setProperty(m_appMgrProperty->getProperty("EvtSel"));
   if( m_evtsel != "NONE" || m_evtsel.length() == 0) {
     SmartIF<IService> theSvc(serviceLocator()->service("EventSelector"));
     SmartIF<IEvtSelector> theEvtSel(theSvc);
     if( theEvtSel.isValid() && ( theEvtSel.get() != m_evtSelector.get() ) ) {
       // Setup Event Selector
       if ( m_evtSelector.get() && m_evtContext ) {
         // Need to release context before switching to new event selector
         m_evtSelector->releaseContext(m_evtContext);
         m_evtContext = 0;
       }
       m_evtSelector = theEvtSel;
       if (theSvc->FSMState() == Gaudi::StateMachine::INITIALIZED) {
         sc = theSvc->reinitialize();
         if( !sc.isSuccess() ) {
           error() << "Failure Reinitializing EventSelector "
                   << theSvc->name( ) << endmsg;
           return sc;
         }
       }
       else {
         sc = theSvc->sysInitialize();
         if( !sc.isSuccess() ) {
           error() << "Failure Initializing EventSelector "
                   << theSvc->name( ) << endmsg;
           return sc;
         }
       }
       sc = m_evtSelector->createContext(m_evtContext);
       if( !sc.isSuccess() ) {
         error() << "Can not create Context " << theSvc->name( ) << endmsg;
         return sc;
       }
       info() << "EventSelector service changed to "
              << theSvc->name( ) << endmsg;
     }
     else if ( m_evtSelector.isValid() ) {
       if ( m_evtContext ) {
         m_evtSelector->releaseContext(m_evtContext);
         m_evtContext = 0;
       }
       sc = m_evtSelector->createContext(m_evtContext);
       if( !sc.isSuccess() ) {
         error() << "Can not create Context " << theSvc->name( ) << endmsg;
         return sc;
       }
     }
   }
   else if ( m_evtSelector.isValid() && m_evtContext ) {
     m_evtSelector->releaseContext(m_evtContext);
     m_evtSelector = 0;
     m_evtContext = 0;
   }
   return StatusCode::SUCCESS;
 }

StatusCode EventLoopMgr::stop ( )

virtual

implementation of IService::stop

Reimplemented from MinimalEventLoopMgr.

Definition at line 206 of file EventLoopMgr.cpp.

                                  {
   if ( ! m_endEventFired ) {
     // Fire pending EndEvent incident
     m_incidentSvc->fireIncident(Incident(name(),IncidentType::EndEvent));
     m_endEventFired = true;
   }
   return MinimalEventLoopMgr::stop();
 }

Member Data Documentation

SmartIF<IProperty> EventLoopMgr::m_appMgrProperty

protected

Property interface of ApplicationMgr.

Definition at line 60 of file EventLoopMgr.h.

bool EventLoopMgr::m_endEventFired

protected

Flag to avoid to fire the EnvEvent incident twice in a row (and also not before the first event)

Definition at line 63 of file EventLoopMgr.h.

IEvtSelector::Context* EventLoopMgr::m_evtContext

protected

Event Iterator.

Definition at line 50 of file EventLoopMgr.h.

SmartIF<IDataManagerSvc> EventLoopMgr::m_evtDataMgrSvc

protected

Reference to the Event Data Service's IDataManagerSvc interface.

Definition at line 44 of file EventLoopMgr.h.

SmartIF<IDataProviderSvc> EventLoopMgr::m_evtDataSvc

protected

Reference to the Event Data Service's IDataProviderSvc interface.

Definition at line 46 of file EventLoopMgr.h.

std::string EventLoopMgr::m_evtsel

protected

Event selector.

Definition at line 52 of file EventLoopMgr.h.

SmartIF<IEvtSelector> EventLoopMgr::m_evtSelector

protected

Reference to the Event Selector.

Definition at line 48 of file EventLoopMgr.h.

SmartIF<IDataManagerSvc> EventLoopMgr::m_histoDataMgrSvc

protected

Reference to the Histogram Data Service.

Definition at line 54 of file EventLoopMgr.h.

SmartIF<IConversionSvc> EventLoopMgr::m_histoPersSvc

protected

Reference to the Histogram Persistency Service.

Definition at line 56 of file EventLoopMgr.h.

std::string EventLoopMgr::m_histPersName

protected

Name of the Hist Pers type.

Definition at line 58 of file EventLoopMgr.h.

bool EventLoopMgr::m_warnings

protected

Flag to disable warning messages when using external input.

Definition at line 65 of file EventLoopMgr.h.

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

GaudiCoreSvc/src/ApplicationMgr/EventLoopMgr.h
GaudiCoreSvc/src/ApplicationMgr/EventLoopMgr.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation