EventSelector Class Reference

Definition of class EventSelector. More...

#include <src/EventSelector/EventSelector.h>

Inheritance diagram for EventSelector:

Collaboration diagram for EventSelector:

Public Types
typedef std::vector < EventSelectorDataStream * >	Streams
typedef std::vector< std::string >	StreamSpecs
typedef std::vector < StringProperty >	Properties
Public Types inherited from extends1< Service, IEvtSelector >
typedef extends1	base_class
	Typedef to this class. More...
typedef extend_interfaces1 < IEvtSelector >	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::Factory2 < 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< IEvtSelector >
typedef IEvtSelector::iid::iids::type	ext_iids
	MPL set of interfaces extended by this one. More...

Public Member Functions
virtual StatusCode	initialize ()
	IService implementation: Db event selector override. More...
virtual StatusCode	finalize ()
	IService implementation: Service finalization. More...
virtual StatusCode	reinitialize ()
	Service override: Reinitialize service. More...
virtual StatusCode	createContext (Context *&refpCtxt) const
	Create a new event loop context. More...
virtual StatusCode	next (Context &refCtxt) const
	Get next iteration item from the event loop context. More...
virtual StatusCode	next (Context &refCtxt, int jump) const
	Get next iteration item from the event loop context, but skip jump elements. More...
virtual StatusCode	previous (Context &refCtxt) const
	Get previous iteration item from the event loop context. More...
virtual StatusCode	previous (Context &refCtxt, int jump) const
	Get previous iteration item from the event loop context, but skip jump elements. More...
virtual StatusCode	rewind (Context &refCtxt) const
	Rewind the dataset. More...
virtual StatusCode	createAddress (const Context &refCtxt, IOpaqueAddress *&refpAddr) const
	Create new Opaque address corresponding to the current record. More...
virtual StatusCode	releaseContext (Context *&refCtxt) const
	Release existing event iteration context. More...
virtual StatusCode	resetCriteria (const std::string &cr, Context &c) const
	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...
virtual StatusCode	last (Context &c) const
	Access last item in the iteration. More...
StatusCode	firstOfNextStream (bool shutDown, EvtSelectorContext &it) const
	Retrieve first entry of the next data stream. More...
StatusCode	lastOfPreviousStream (bool shutDown, EvtSelectorContext &it) const
	Retrieve last entry of the previous data stream. More...
	EventSelector (const std::string &name, ISvcLocator *svcloc)
	Standard Constructor. More...
virtual	~EventSelector ()
	Standard Destructor. More...
Public Member Functions inherited from extends1< Service, IEvtSelector >
	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	start ()
	Start (from INITIALIZED to RUNNING). More...
virtual StatusCode	stop ()
	Stop (from RUNNING to INITIALIZED). 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	restart ()
	Initialization (from RUNNING to RUNNING, via INITIALIZED). 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< IEvtSelector >
virtual	~extend_interfaces1 ()
	Virtual destructor. More...
Public Member Functions inherited from IEvtSelector
	DeclareInterfaceID (IEvtSelector, 2, 0)
	InterfaceID. More...

Public Attributes
long int	m_streamID

Protected Member Functions
virtual void	printEvtInfo (const EvtSelectorContext *iter) const
	Progress report. More...
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...

Protected Attributes
SmartIF< IIncidentSvc >	m_incidentSvc
	Reference to the indicent service. More...
SmartIF< IToolSvc >	m_toolSvc
IDataStreamTool *	m_streamtool
bool	m_reconfigure
	Reconfigure occurred. More...
StreamSpecs	m_streamSpecs
	Input stream specifiers (for job options) More...
StreamSpecs	m_streamSpecsLast
	Input stream specifiers (last used) More...
Streams	m_streams
	Input streams. More...
int	m_streamCount
	Input stream counter (0..oo, monotonely increasing) More...
int	m_firstEvent
	First event to be processed. More...
int	m_evtMax
	Maximum number of events to be processed. More...
int	m_evtPrintFrequency
	Printout frequency. More...
std::string	m_streamManager
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
Static Public Member Functions inherited from IInterface
static const InterfaceID &	interfaceID ()
	Return an instance of InterfaceID identifying the interface. More...

Detailed Description

Definition of class EventSelector.

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 | +------—+-------------------------------------------—+---------—+ | 4/09/09 | Added firing incident on opening/ending file | R. Lambert | +------—+-------------------------------------------—+---------—+

Author

Markus Frank

R. Lambert

Version

1.0

Definition at line 53 of file EventSelector.h.

Member Typedef Documentation

typedef std::vector<StringProperty> EventSelector::Properties

Definition at line 57 of file EventSelector.h.

typedef std::vector<EventSelectorDataStream*> EventSelector::Streams

Definition at line 55 of file EventSelector.h.

typedef std::vector<std::string> EventSelector::StreamSpecs

Definition at line 56 of file EventSelector.h.

Constructor & Destructor Documentation

EventSelector::EventSelector	(	const std::string &	name,
		ISvcLocator *	svcloc
	)

Standard Constructor.

Definition at line 24 of file EventSelector.cpp.

  : base_class( name, svcloc)
{
  m_incidentSvc       = 0;
  m_toolSvc           = 0;
  m_streamCount       = 0;
  m_firstEvent        = 0;
  m_evtPrintFrequency = 10;
  m_evtMax            = INT_MAX;
  declareProperty( "Input",      m_streamSpecs);
  declareProperty( "FirstEvent", m_firstEvent);
  declareProperty( "EvtMax",     m_evtMax);
  declareProperty( "PrintFreq",  m_evtPrintFrequency);
  declareProperty( "StreamManager",  m_streamManager="DataStreamTool");
  m_reconfigure = false;
}

EventSelector::~EventSelector ( )

virtual

Standard Destructor.

Definition at line 42 of file EventSelector.cpp.

{
}

Member Function Documentation

StatusCode EventSelector::createAddress ( const Context &  refCtxt, IOpaqueAddress *&  refpAddr  ) const

virtual

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

Implements IEvtSelector.

Definition at line 332 of file EventSelector.cpp.

{
  const EvtSelectorContext *cpIt  = dynamic_cast<const EvtSelectorContext*>(&refCtxt);
  EvtSelectorContext *pIt  = const_cast<EvtSelectorContext*>(cpIt);
  refpAddr = 0;
  if ( pIt )    {
    const EventSelectorDataStream* s = m_streamtool->getStream(pIt->ID());
    Context* it = pIt->context();
    IEvtSelector* sel = s->selector();
    if ( it && sel )    {
      IOpaqueAddress* pAddr = 0;
      StatusCode sc = sel->createAddress(*it, pAddr);
      if ( sc.isSuccess() )  {
        refpAddr = pAddr;
      }
      pIt->set(it, pAddr);
      return sc;
    }
  }
  return StatusCode::FAILURE;
}

StatusCode EventSelector::createContext ( Context *&  refpCtxt ) const

virtual

Create a new event loop context.

Parameters

refpCtxt

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

Returns

StatusCode indicating success or failure

Implements IEvtSelector.

Definition at line 191 of file EventSelector.cpp.

{
  // Max event is zero. Return begin = end
  refpCtxt = 0;
  if ( m_firstEvent < 0 ) {
    MsgStream log(msgSvc(), name());
    log << MSG::ERROR  << "First Event = " << m_firstEvent << " not valid" << endmsg;
    log << MSG::ERROR  << "It should be > 0 " << endmsg;
    return StatusCode::FAILURE;    // if failure => iterators = end();
  }
  EvtSelectorContext* ctxt = new EvtSelectorContext(this);
  ctxt->set(0, -1, 0, 0);
  firstOfNextStream(true, *ctxt).ignore();
  refpCtxt = ctxt;
  long nskip = m_firstEvent;
  while( --nskip > 0 )    {
    StatusCode sc = next(*refpCtxt);
    if ( sc.isFailure() ) {
      MsgStream log(msgSvc(), name());
      log << MSG::ERROR << " createContext() failed to start with event number "
          << m_firstEvent << endmsg;
      releaseContext(refpCtxt);
      refpCtxt = 0;
      return StatusCode::FAILURE;
    }
  }
  return StatusCode::SUCCESS;
}

StatusCode EventSelector::finalize ( )

virtual

IService implementation: Service finalization.

Reimplemented from Service.

Definition at line 449 of file EventSelector.cpp.

                                      {

  if (msgLevel(MSG::DEBUG)) {
    MsgStream log(msgSvc(), name());
    log << MSG::DEBUG << "finalize()" << endmsg;
  }

  m_incidentSvc = 0;

  if (m_streamtool) {
    if (m_toolSvc.isValid()) {
      m_toolSvc->releaseTool(m_streamtool).ignore();
    } else {
      // It should not be possible to get here
      m_streamtool->release();
    }
    m_streamtool = 0;
  }

  m_toolSvc = 0;

  return Service::finalize();
}

StatusCode EventSelector::firstOfNextStream	(	bool	shutDown,
		EvtSelectorContext &	it
	)		const

Retrieve first entry of the next data stream.

Definition at line 80 of file EventSelector.cpp.

                                                                              {
  StatusCode status = StatusCode::SUCCESS;
  IDataStreamTool::size_type iter_id = (m_reconfigure) ? 0 : iter.ID()+1;
  if ( m_reconfigure ) const_cast<EventSelector*>(this)->m_reconfigure = false;
  if ( shutDown )   {
    if ( iter.ID() >= 0 && iter.ID() < (long)m_streamtool->size() )   {
      const EventSelectorDataStream* s = m_streamtool->getStream(iter.ID());
      if ( s->isInitialized() )    {
        EventSelector* thisPtr = const_cast<EventSelector*>(this);
        if ( s->selector() && iter.context() )  {
          Context* ctxt = iter.context();
          s->selector()->releaseContext(ctxt).ignore();
          iter.set(0,0);
        }
        status = thisPtr->m_streamtool->finalizeStream(const_cast<EventSelectorDataStream*>(s));
        iter.set(0,0);
      }
    }
  }

  const EventSelectorDataStream* s ;
  status = m_streamtool->getNextStream( s , iter_id );

  if ( status.isSuccess() )   {

    if(s!=NULL) {
    if ( !s->isInitialized() )    {
      EventSelector* thisPtr = const_cast<EventSelector*>(this);
      status = thisPtr->m_streamtool->initializeStream(const_cast<EventSelectorDataStream*>(s));
    }

    if ( status.isSuccess() ) {
      const IEvtSelector* sel = s->selector();
      if ( sel )    {
        Context* ctxt = 0;
        status = sel->createContext(ctxt);
        if ( status.isSuccess() )   {
          status = sel->resetCriteria(s->criteria(), *ctxt);
          if ( status.isSuccess() )   {
            MsgStream log(msgSvc(), name());
            iter.set(this, iter_id, ctxt, 0);
            log << MSG::INFO << *s << endmsg;
            m_incidentSvc->fireIncident(Incident(s->dbName(),IncidentType::BeginInputFile));
            return StatusCode::SUCCESS;
          }
        }
      }
    }
      m_incidentSvc->fireIncident(Incident(s->dbName(),IncidentType::FailInputFile));
    }
  }

  iter.set(this, -1, 0, 0);
  status.setChecked();
  //m_incidentSvc->fireIncident(Incident(s->dbName(),IncidentType::FailInputFile));
  return StatusCode::FAILURE;
}

StatusCode EventSelector::initialize ( )

virtual

IService implementation: Db event selector override.

Reimplemented from Service.

Definition at line 379 of file EventSelector.cpp.

                                        {
  // Initialize base class
  StatusCode status = Service::initialize();
  MsgStream logger(msgSvc(), name());
  if ( !status.isSuccess() )    {
    logger << MSG::ERROR << "Error initializing base class Service!" << endmsg;
    return status;
  }
  // Get the references to the services that are needed by the ApplicationMgr itself
  m_incidentSvc = serviceLocator()->service("IncidentSvc");
  if( !m_incidentSvc.isValid() )  {
    logger << MSG::FATAL << "Error retrieving IncidentSvc." << endmsg;
    return StatusCode::FAILURE;
  }
  if ( m_evtMax != INT_MAX )   {
    logger << MSG::ERROR << "EvtMax is an obsolete property of the event selector." << endmsg;
    logger << MSG::ERROR << "Please set \"ApplicationMgr.EvtMax = " << m_evtMax
           << ";\" to process the requested number of events." << endmsg;
    return StatusCode::FAILURE;
  }

  m_toolSvc = serviceLocator()->service("ToolSvc");
  if ( !m_toolSvc.isValid() ) {
    logger << MSG::ERROR << " Could not locate the Tool Service! " << endmsg;
    return StatusCode::FAILURE;
  }

  status = m_toolSvc->retrieveTool(m_streamManager.c_str(), m_streamtool, this);

  if( status.isFailure() ) {
    logger << MSG::ERROR << "Error initializing "
           << m_streamManager << endmsg;
    return status;
  }

  status = m_streamtool->clear();
  if( status.isFailure() ) {
    // Message already printed by the tool
    return status;
  }

  status = m_streamtool->addStreams(m_streamSpecs);

  m_streamSpecsLast = m_streamSpecs;

  m_streamID          = 0;

  return status;
}

StatusCode EventSelector::last ( Context &  c ) const

virtual

Access last item in the iteration.

Parameters

c	Reference to the Context object.

Returns

StatusCode indicating success or failure

Implements IEvtSelector.

Definition at line 302 of file EventSelector.cpp.

                                                     {
  EvtSelectorContext *pIt  = dynamic_cast<EvtSelectorContext*>(&refCtxt);
  if ( pIt )    {
  }
  return StatusCode::FAILURE;
}

StatusCode EventSelector::lastOfPreviousStream	(	bool	shutDown,
		EvtSelectorContext &	it
	)		const

Retrieve last entry of the previous data stream.

Definition at line 140 of file EventSelector.cpp.

                                                                                 {
  StatusCode status = StatusCode::SUCCESS;
  if ( shutDown )   {
    if ( iter.ID() >= 0 && iter.ID() < (long)m_streamtool->size() )   {
      const EventSelectorDataStream* s = m_streamtool->getStream(iter.ID());
      if ( s->isInitialized() )    {
        EventSelector* thisPtr = const_cast<EventSelector*>(this);
        if ( s->selector() && iter.context() )  {
          Context* ctxt = iter.context();
          s->selector()->releaseContext(ctxt);
          iter.set(0,0);
        }
        status = thisPtr->m_streamtool->finalizeStream(const_cast<EventSelectorDataStream*>(s));
        iter.set(0,0);
      }
    }
  }

  IDataStreamTool::size_type iter_id = iter.ID()-1;
  const EventSelectorDataStream* s ;
  status = m_streamtool->getPreviousStream( s , iter_id );

  if ( status.isSuccess() )   {

    if ( !s->isInitialized() )    {
      EventSelector* thisPtr = const_cast<EventSelector*>(this);
      status = thisPtr->m_streamtool->initializeStream(const_cast<EventSelectorDataStream*>(s));
    }
    if ( status.isSuccess() )   {
      const IEvtSelector* sel = s->selector();
      if ( sel )  {
        Context* ctxt = 0;
        status = sel->createContext(ctxt);
        if ( status.isSuccess() )   {
          status = sel->resetCriteria(s->criteria(), *ctxt);
          if ( status.isSuccess() )   {
            MsgStream log(msgSvc(), name());
            iter.set(this, iter_id, ctxt, 0);
            log << MSG::INFO << *s << endmsg;
            return StatusCode::SUCCESS;
          }
        }
      }
    }
  }

  iter.set(this, -1, 0, 0);
  return StatusCode::FAILURE;
}

StatusCode EventSelector::next ( Context &  refCtxt ) const

virtual

Get next iteration item from the event loop context.

Parameters

refCtxt

[IN/OUT] Reference to the context

Returns

StatusCode indicating success or failure

Implements IEvtSelector.

Definition at line 221 of file EventSelector.cpp.

                                                      {
  return next(refCtxt, 1);
}

StatusCode EventSelector::next ( Context &  refCtxt, int  jump  ) const

virtual

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

Implements IEvtSelector.

Definition at line 226 of file EventSelector.cpp.

                                                              {
  EvtSelectorContext *pIt  = dynamic_cast<EvtSelectorContext*>(&refCtxt);
  if ( pIt )    {
    if ( pIt->ID() != -1 ) {
      const EventSelectorDataStream* s = m_streamtool->getStream(pIt->ID());
      Context* it = pIt->context();
      IEvtSelector* sel = s->selector();
      if ( it && sel )    { // First exploit the current stream
        StatusCode sc = sel->next(*it);  // This stream is empty: advance to the next stream
        if ( !sc.isSuccess() )   {
          m_incidentSvc->fireIncident(Incident(s->dbName(),IncidentType::EndInputFile));
          sc = firstOfNextStream(true, *pIt);
          if (sc.isSuccess() ) sc = next(*pIt);
        }
        else  {
          pIt->increaseCounters(false);
          pIt->set(it, 0);
          printEvtInfo(pIt);
        }
        return sc;
      }
      else if ( m_reconfigure )  {
        StatusCode sc = firstOfNextStream(false, *pIt);
        printEvtInfo(pIt);
        return sc;
      }
    }
    else if ( m_reconfigure )  {
      StatusCode sc = firstOfNextStream(false, *pIt);
      printEvtInfo(pIt);
      return sc;
    }
    pIt->increaseCounters(false);
  }
  printEvtInfo(pIt);
  return StatusCode::FAILURE;
}

StatusCode EventSelector::previous ( Context &  refCtxt ) const

virtual

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

Implements IEvtSelector.

Definition at line 265 of file EventSelector.cpp.

                                                          {
  return previous(refCtxt, 1);
}

StatusCode EventSelector::previous ( Context &  refCtxt, int  jump  ) const

virtual

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

Implements IEvtSelector.

Definition at line 270 of file EventSelector.cpp.

                                                                    {
  EvtSelectorContext *pIt  = dynamic_cast<EvtSelectorContext*>(&refCtxt);
  if ( pIt && jump > 0 )    {
    StatusCode sc = StatusCode::SUCCESS;
    for ( int i = 0; i < jump && sc.isSuccess(); ++i ) {
      const EventSelectorDataStream* s = m_streamtool->getStream(pIt->ID());
      Context* it = pIt->context();
      IEvtSelector* sel = s->selector();
      if ( it && sel )    { // First exploit the current stream
                            // This stream is empty: advance to the next stream
        sc = sel->previous(*it);  // This stream is empty: advance to the next stream
        if ( !sc.isSuccess() )   {
          sc = lastOfPreviousStream(true, *pIt);
        }
        else  {
          pIt->increaseCounters(false);
          pIt->set(it, 0);
        }
        printEvtInfo(pIt);
        if ( !sc.isSuccess() ) {
          return sc;
        }
      }
      pIt->increaseCounters(false);
    }
    return sc;
  }
  printEvtInfo(pIt);
  return StatusCode::FAILURE;
}

void EventSelector::printEvtInfo ( const EvtSelectorContext *  iter ) const

protectedvirtual

Progress report.

Definition at line 54 of file EventSelector.cpp.

                                                                     {
  if ( 0 != iter )  {
    long count = iter->numEvent();
    // Print an message every m_evtPrintFrequency events
    if ( 0 == iter->context() )   {
      MsgStream log(msgSvc(), name());
      log << MSG::INFO << "End of event input reached." << endmsg;
    }
    else if( iter->numStreamEvent() == -1 ) {
      // Intial value for this stream
    }
    else if( m_evtPrintFrequency != -1 && (count % m_evtPrintFrequency == 0))   {
      MsgStream log(msgSvc(), name());
      log << MSG::ALWAYS << "Reading Event record " << count+1
          << ". Record number within stream " << iter->ID()+1
          << ": " << iter->numStreamEvent()+1 << endmsg;
    }
  }
  else  {
    MsgStream log(msgSvc(), name());
    log << MSG::INFO << "End of event input reached." << endmsg;
  }
}

StatusCode EventSelector::reinitialize ( )

virtual

Service override: Reinitialize service.

Reimplemented from Service.

Definition at line 430 of file EventSelector.cpp.

                                       {
  if ( FSMState() != Gaudi::StateMachine::INITIALIZED ) {
    MsgStream logger(msgSvc(), name());
    logger << MSG::ERROR << "Cannot reinitialize: service not in state initialized" << endmsg;
    return StatusCode::FAILURE;
  }

  if( m_streamSpecsLast != m_streamSpecs ) {
    StatusCode status = m_streamtool->clear();
    if ( status.isFailure() ) return status;
    m_streamSpecsLast = m_streamSpecs;
    m_reconfigure = true;
    return m_streamtool->addStreams(m_streamSpecs);
  }

  return StatusCode::SUCCESS;
}

StatusCode EventSelector::releaseContext ( Context *&  refCtxt ) const

virtual

Release existing event iteration context.

Parameters

refCtxt

[IN/OUT] Reference to the context

Returns

StatusCode indicating success or failure

Implements IEvtSelector.

Definition at line 356 of file EventSelector.cpp.

                                                                 {
  const EvtSelectorContext *cpIt = dynamic_cast<const EvtSelectorContext*>(refCtxt);
  EvtSelectorContext       *pIt  = const_cast<EvtSelectorContext*>(cpIt);
  if ( pIt && pIt->ID() >= 0 && pIt->ID() < (long)m_streamtool->size() ) {
    const EventSelectorDataStream* s = m_streamtool->getStream(pIt->ID());
    Context* it = pIt->context();
    IEvtSelector* sel = s->selector();
    if ( it && sel )    {
      StatusCode sc = sel->releaseContext(it);
      if ( sc.isSuccess() )  {
        refCtxt = 0;
        delete pIt;
        return sc;
      }
    }
  }
  if ( pIt )   {
    delete pIt;
  }
  return StatusCode::SUCCESS;
}

StatusCode EventSelector::resetCriteria ( const std::string &  cr, Context &  c  ) const

virtual

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

Implements IEvtSelector.

Definition at line 47 of file EventSelector.cpp.

{
  return StatusCode::FAILURE;
}

StatusCode EventSelector::rewind ( Context &  refCtxt ) const

virtual

Rewind the dataset.

Parameters

refCtxt

[IN/OUT] Reference to the context

Returns

StatusCode indicating success or failure

Implements IEvtSelector.

Definition at line 310 of file EventSelector.cpp.

                                                        {
  EvtSelectorContext *ctxt  = dynamic_cast<EvtSelectorContext*>(&refCtxt);
  if ( ctxt )    {
    ctxt->set(0, -1, 0, 0);
    firstOfNextStream(true, *ctxt);
    long nskip = m_firstEvent;
    while( --nskip > 0 )    {
      StatusCode sc = next(*ctxt);
      if ( sc.isFailure() ) {
        MsgStream log(msgSvc(), name());
        log << MSG::ERROR << "rewind() failed to start with event number "
            << m_firstEvent << endmsg;
        return StatusCode::FAILURE;
      }
    }
    return StatusCode::SUCCESS;
  }
  return StatusCode::FAILURE;
}

Member Data Documentation

int EventSelector::m_evtMax

protected

Maximum number of events to be processed.

Definition at line 82 of file EventSelector.h.

int EventSelector::m_evtPrintFrequency

protected

Printout frequency.

Definition at line 84 of file EventSelector.h.

int EventSelector::m_firstEvent

protected

First event to be processed.

Definition at line 80 of file EventSelector.h.

SmartIF<IIncidentSvc> EventSelector::m_incidentSvc

protected

Reference to the indicent service.

Definition at line 63 of file EventSelector.h.

bool EventSelector::m_reconfigure

protected

Reconfigure occurred.

Definition at line 70 of file EventSelector.h.

int EventSelector::m_streamCount

protected

Input stream counter (0..oo, monotonely increasing)

Definition at line 78 of file EventSelector.h.

long int EventSelector::m_streamID

Definition at line 59 of file EventSelector.h.

std::string EventSelector::m_streamManager

protected

Definition at line 86 of file EventSelector.h.

Streams EventSelector::m_streams

protected

Input streams.

Definition at line 76 of file EventSelector.h.

StreamSpecs EventSelector::m_streamSpecs

protected

Input stream specifiers (for job options)

Definition at line 72 of file EventSelector.h.

StreamSpecs EventSelector::m_streamSpecsLast

protected

Input stream specifiers (last used)

Definition at line 74 of file EventSelector.h.

IDataStreamTool* EventSelector::m_streamtool

protected

Definition at line 67 of file EventSelector.h.

SmartIF<IToolSvc> EventSelector::m_toolSvc

protected

Definition at line 65 of file EventSelector.h.

---

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

• GaudiCoreSvc/src/EventSelector/EventSelector.h
• GaudiCoreSvc/src/EventSelector/EventSelector.cpp