MinimalEventLoopMgr Class Reference

This is the default processing manager of the application manager. More...

#include <GaudiKernel/MinimalEventLoopMgr.h>

Inheritance diagram for MinimalEventLoopMgr:

Collaboration diagram for MinimalEventLoopMgr:

Public Types
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...

Public Member Functions
	MinimalEventLoopMgr (const std::string &nam, ISvcLocator *svcLoc)
	Standard Constructor. More...
virtual	~MinimalEventLoopMgr ()
	Standard Destructor. More...
virtual StatusCode	initialize ()
	implementation of IService::initialize More...
virtual StatusCode	start ()
	implementation of IService::start More...
virtual StatusCode	stop ()
	implementation of IService::stop More...
virtual StatusCode	finalize ()
	implementation of IService::finalize More...
virtual StatusCode	reinitialize ()
	implementation of IService::reinitialize More...
virtual StatusCode	restart ()
	implementation of IService::restart More...
virtual StatusCode	nextEvent (int maxevt)
	implementation of IEventProcessor::nextEvent More...
virtual StatusCode	executeEvent (void *par)
	implementation of IEventProcessor::executeEvent(void* par) More...
virtual StatusCode	executeRun (int maxevt)
	implementation of IEventProcessor::executeRun( ) 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 Types
enum	State { OFFLINE, CONFIGURED, FINALIZED, INITIALIZED }

Protected Attributes
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...

Private Member Functions
	MinimalEventLoopMgr (const MinimalEventLoopMgr &)
	Fake copy constructor (never implemented). More...
MinimalEventLoopMgr &	operator= (const MinimalEventLoopMgr &)
	Fake assignment operator (never implemented). More...

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

Detailed Description

This is the default processing manager of the application manager.

This object handles the minimal requirements needed by the application manager. It also is capable of handling a bunch of algorithms and output streams. However, they list may as well be empty.

Author

Markus Frank

Version

1.0

Definition at line 26 of file MinimalEventLoopMgr.h.

Member Typedef Documentation

typedef std::list<SmartIF<IAlgorithm> > MinimalEventLoopMgr::ListAlg

Definition at line 29 of file MinimalEventLoopMgr.h.

typedef std::list<IAlgorithm*> MinimalEventLoopMgr::ListAlgPtrs

Definition at line 30 of file MinimalEventLoopMgr.h.

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

Definition at line 31 of file MinimalEventLoopMgr.h.

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

Definition at line 32 of file MinimalEventLoopMgr.h.

Member Enumeration Documentation

enum MinimalEventLoopMgr::State

protected

Enumerator
OFFLINE
CONFIGURED
FINALIZED
INITIALIZED

Definition at line 36 of file MinimalEventLoopMgr.h.

{ OFFLINE, CONFIGURED, FINALIZED, INITIALIZED };

Constructor & Destructor Documentation

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

Standard Constructor.

Definition at line 52 of file MinimalEventLoopMgr.cpp.

  : base_class(nam, svcLoc), m_appMgrUI(svcLoc)
{
  declareProperty("TopAlg",         m_topAlgNames );
  declareProperty("OutStream",      m_outStreamNames );
  declareProperty("OutStreamType",  m_outStreamType = "OutputStream");
  m_topAlgNames.declareUpdateHandler   ( &MinimalEventLoopMgr::topAlgHandler, this );
  m_outStreamNames.declareUpdateHandler( &MinimalEventLoopMgr::outStreamHandler, this );
  m_state = OFFLINE;
  m_scheduledStop = false;
  m_abortEvent = false;
}

MinimalEventLoopMgr::~MinimalEventLoopMgr ( )

virtual

Standard Destructor.

Definition at line 68 of file MinimalEventLoopMgr.cpp.

                                            {
  m_state = OFFLINE;
}

MinimalEventLoopMgr::MinimalEventLoopMgr ( const MinimalEventLoopMgr &  )

private

Fake copy constructor (never implemented).

Member Function Documentation

StatusCode MinimalEventLoopMgr::decodeOutStreams

(

)

decodeOutStreamNameList & outStreamNameListHandler

Definition at line 542 of file MinimalEventLoopMgr.cpp.

                                                     {
  StatusCode sc = StatusCode::SUCCESS;
  if ( CONFIGURED == m_state || INITIALIZED == m_state ) {
    SmartIF<IAlgManager> algMan(serviceLocator());
    if ( algMan.isValid() )   {
      // Reset the existing Top Algorithm List
      m_outStreamList.clear();
      const std::vector<std::string>& algNames = m_outStreamNames.value( );
      for (VectorName::const_iterator it = algNames.begin(); it != algNames.end(); it++) {
        Gaudi::Utils::TypeNameString item(*it, m_outStreamType);
        DEBMSG << "Creating " << m_outStreamType <<  (*it) << endmsg;
        const bool CREATE = false;
        SmartIF<IAlgorithm> os = algMan->algorithm( item, CREATE );
        if (os.isValid()) {
          DEBMSG << "Output Stream " << item.name() << " already exists" << endmsg;
        }
        else {
          DEBMSG << "Creating Output Stream " << (*it) << endmsg;
          IAlgorithm* ios = 0;
          StatusCode sc1 = algMan->createAlgorithm( item.type(), item.name(), ios );
          if( !sc1.isSuccess() ) {
            error() << "Unable to create Output Stream " << (*it) << endmsg;
            return sc1;
          }
          os = ios; // manage reference counting
        }
        m_outStreamList.push_back( os );
      }
     return sc;
    }
    sc = StatusCode::FAILURE;
  }
  return sc;
}

StatusCode MinimalEventLoopMgr::decodeTopAlgs

(

)

decodeTopAlgNameList & topAlgNameListHandler

Definition at line 492 of file MinimalEventLoopMgr.cpp.

                                                 {
  StatusCode sc = StatusCode::SUCCESS;
  if ( CONFIGURED == m_state || INITIALIZED == m_state ) {
    SmartIF<IAlgManager> algMan(serviceLocator());
    if ( algMan.isValid())   {
      // Reset the existing Top Algorithm List
      m_topAlgList.clear( );
      const std::vector<std::string>& algNames = m_topAlgNames.value( );
      for (VectorName::const_iterator it = algNames.begin(); it != algNames.end(); it++) {
        Gaudi::Utils::TypeNameString item(*it);
        // Got the type and name. Now creating the algorithm, avoiding duplicate creation.
        std::string item_name = item.name() + getGaudiThreadIDfromName(name());
        const bool CREATE = false;
        SmartIF<IAlgorithm> alg = algMan->algorithm(item_name, CREATE);
        if (alg.isValid()) {
          DEBMSG << "Top Algorithm " << item_name << " already exists" << endmsg;
        }
        else {
          DEBMSG << "Creating Top Algorithm " << item.type() << " with name " << item_name << endmsg;
          IAlgorithm *ialg = 0;
          StatusCode sc1 = algMan->createAlgorithm(item.type(), item_name, ialg);
          if( !sc1.isSuccess() ) {
            error() << "Unable to create Top Algorithm " << item.type() << " with name " << item_name << endmsg;
            return sc1;
          }
          alg = ialg; // manage reference counting
        }
        m_topAlgList.push_back(alg);
      }
      return sc;
    }
    sc = StatusCode::FAILURE;
  }
  return sc;
}

StatusCode MinimalEventLoopMgr::executeEvent ( void *  par )

virtual

implementation of IEventProcessor::executeEvent(void* par)

Implements IEventProcessor.

Reimplemented in EventLoopMgr.

Definition at line 391 of file MinimalEventLoopMgr.cpp.

                                                       {
  bool eventfailed = false;

  // Call the resetExecuted() method of ALL "known" algorithms
  // (before we were reseting only the topalgs)
  SmartIF<IAlgManager> algMan(serviceLocator());
  if (LIKELY(algMan.isValid())) {
    const auto& allAlgs = algMan->getAlgorithms();
    std::for_each( std::begin(allAlgs), std::end(allAlgs),
                   [](IAlgorithm* alg) {
                        if (LIKELY(alg!=nullptr)) alg->resetExecuted();
    } );
  }

  // Get the IProperty interface of the ApplicationMgr to pass it to RetCodeGuard
  const SmartIF<IProperty> appmgr(serviceLocator());
  // Call the execute() method of all top algorithms
  for (ListAlg::iterator ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    StatusCode sc(StatusCode::FAILURE);
    try {
      if (UNLIKELY(m_abortEvent)) {
        DEBMSG << "AbortEvent incident fired by "
               << m_abortEventSource << endmsg;
        m_abortEvent = false;
        sc.ignore();
        break;
      }
      RetCodeGuard rcg(appmgr, Gaudi::ReturnCode::UnhandledException);
      sc = (*ita)->sysExecute();
      rcg.ignore(); // disarm the guard
    } catch ( const GaudiException& Exception ) {
      fatal() << ".executeEvent(): Exception with tag=" << Exception.tag()
              << " thrown by " << (*ita)->name() << endmsg;
      error() << Exception << endmsg;
    } catch ( const std::exception& Exception ) {
      fatal() << ".executeEvent(): Standard std::exception thrown by "
              << (*ita)->name() << endmsg;
      error() << Exception.what()  << endmsg;
    } catch(...) {
      fatal() << ".executeEvent(): UNKNOWN Exception thrown by "
              << (*ita)->name() << endmsg;
    }

    if (UNLIKELY(!sc.isSuccess()))  {
      warning() << "Execution of algorithm " << (*ita)->name() << " failed" << endmsg;
      eventfailed = true;
    }
  }

  // ensure that the abortEvent flag is cleared before the next event
  if (UNLIKELY(m_abortEvent)) {
    DEBMSG << "AbortEvent incident fired by " << m_abortEventSource << endmsg;
    m_abortEvent = false;
  }

  // Call the execute() method of all output streams
  for (ListAlg::iterator ito = m_outStreamList.begin(); ito != m_outStreamList.end(); ito++ ) {
    (*ito)->resetExecuted();
      StatusCode sc;
      sc = (*ito)->sysExecute();
    if (UNLIKELY(!sc.isSuccess()))  {
      warning() << "Execution of output stream " << (*ito)->name() << " failed" << endmsg;
      eventfailed = true;
    }
  }

  // Check if there was an error processing current event
  if (UNLIKELY(eventfailed)){
    error() << "Error processing event loop." << endmsg;
    return StatusCode(StatusCode::FAILURE,true);
  }
  return StatusCode(StatusCode::SUCCESS,true);
}

StatusCode MinimalEventLoopMgr::executeRun ( int  maxevt )

virtual

implementation of IEventProcessor::executeRun( )

Implements IEventProcessor.

Reimplemented in EventLoopMgr.

Definition at line 331 of file MinimalEventLoopMgr.cpp.

                                                       {
  StatusCode  sc;
  ListAlg::iterator ita;
  bool eventfailed = false;

  // Call the beginRun() method of all top algorithms
  for (ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    sc = (*ita)->sysBeginRun();
    if (!sc.isSuccess()) {
      warning() << "beginRun() of algorithm " << (*ita)->name() << " failed" << endmsg;
      eventfailed = true;
    }
  }

  // Call now the nextEvent(...)
  sc = nextEvent(maxevt);
  if (!sc.isSuccess()) {
    eventfailed = true;
  }

  // Call the endRun() method of all top algorithms
  for (ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    sc = (*ita)->sysEndRun();
    if (!sc.isSuccess()) {
      warning() << "endRun() of algorithm " << (*ita)->name() << " failed" << endmsg;
      eventfailed = true;
    }
  }

  if (eventfailed) {
    return StatusCode::FAILURE;
  }
  else {
    return StatusCode::SUCCESS;
  }
}

StatusCode MinimalEventLoopMgr::finalize ( )

virtual

implementation of IService::finalize

Reimplemented from Service.

Reimplemented in EventLoopMgr.

Definition at line 266 of file MinimalEventLoopMgr.cpp.

                                         {
  StatusCode sc = StatusCode::SUCCESS;
  StatusCode scRet = StatusCode::SUCCESS;
  // Call the finalize() method of all top algorithms
  ListAlg::iterator ita;
  for ( ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    sc = (*ita)->sysFinalize();
    if( !sc.isSuccess() ) {
      scRet = StatusCode::FAILURE;
      warning() << "Finalization of algorithm " << (*ita)->name() << " failed" << endmsg;
    }
  }
  // Call the finalize() method of all Output streams
  for ( ita = m_outStreamList.begin(); ita != m_outStreamList.end(); ita++ ) {
    sc = (*ita)->sysFinalize();
    if( !sc.isSuccess() ) {
      scRet = StatusCode::FAILURE;
      warning() << "Finalization of algorithm " << (*ita)->name() << " failed" << endmsg;
    }
  }
  // release all top algorithms
  SmartIF<IAlgManager> algMan(serviceLocator());
  for ( ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    if (algMan->removeAlgorithm(*ita).isFailure()) {
      scRet = StatusCode::FAILURE;
      warning() << "Problems removing Algorithm " << (*ita)->name() << endmsg;
    }
  }
  m_topAlgList.clear();

  // release all output streams
  for ( ita = m_outStreamList.begin(); ita != m_outStreamList.end(); ita++ ) {
    (*ita)->release();
  }
  m_outStreamList.clear();
  if ( sc.isSuccess() ) m_state = FINALIZED;

  m_incidentSvc->removeListener(m_abortEventListener, IncidentType::AbortEvent);
  m_abortEventListener = 0; // release

  m_incidentSvc = 0; // release
  m_appMgrUI = 0; // release

  sc = Service::finalize();

  if (sc.isFailure()) {
    scRet = StatusCode::FAILURE;
    error() << "Problems finalizing Service base class" << endmsg;
  }

  return scRet;
}

StatusCode MinimalEventLoopMgr::initialize ( )

virtual

implementation of IService::initialize

Reimplemented from Service.

Reimplemented in EventLoopMgr.

Definition at line 75 of file MinimalEventLoopMgr.cpp.

                                              {

  if ( !m_appMgrUI.isValid() ) {
    return StatusCode::FAILURE;
  }

  StatusCode sc = Service::initialize();
  if ( !sc.isSuccess() )   {
    error() << "Failed to initialize Service Base class." << endmsg;
    return StatusCode::FAILURE;
  }

  SmartIF<IProperty> prpMgr(serviceLocator());
  if ( ! prpMgr.isValid() )   {
    error() << "Error retrieving AppMgr interface IProperty." << endmsg;
    return StatusCode::FAILURE;
  }
  else {
    if ( m_topAlgNames.value().size() == 0 )    {
      setProperty(prpMgr->getProperty("TopAlg")).ignore();
    }
    if ( m_outStreamNames.value().size() == 0 )   {
      setProperty(prpMgr->getProperty("OutStream")).ignore();
    }
  }

  // Get the references to the services that are needed by the ApplicationMgr itself
  m_incidentSvc = serviceLocator()->service("IncidentSvc");
  if( !m_incidentSvc.isValid() )  {
    fatal() << "Error retrieving IncidentSvc." << endmsg;
    return StatusCode::FAILURE;
  }

  m_abortEventListener = new AbortEventListener(m_abortEvent,m_abortEventSource);
  m_incidentSvc->addListener(m_abortEventListener,IncidentType::AbortEvent);

  // The state is changed at this moment to allow decodeXXXX() to do something
  m_state = INITIALIZED;

  //--------------------------------------------------------------------------------------------
  // Create output streams. Do not initialize them yet.
  // The state is updated temporarily in order to enable the handler, which
  // is also triggered by a change to the "OutputStream" Property.
  //--------------------------------------------------------------------------------------------
  sc = decodeOutStreams();
  if ( !sc.isSuccess() )    {
    error() << "Failed to initialize Output streams." << endmsg;
    m_state = CONFIGURED;
    return sc;
  }
  //--------------------------------------------------------------------------------------------
  // Create all needed Top Algorithms. Do not initialize them yet.
  // The state is updated temporarily in order to enable the handler, which
  // is also triggered by a change to the "TopAlg" Property.
  //--------------------------------------------------------------------------------------------
  sc = decodeTopAlgs();
  if ( !sc.isSuccess() )    {
    error() << "Failed to initialize Top Algorithms streams." << endmsg;
    m_state = CONFIGURED;
    return sc;
  }

  ListAlg::iterator ita;
  // Initialize all the new TopAlgs. In fact Algorithms are protected against getting
  // initialized twice.
  for (ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    sc = (*ita)->sysInitialize();
    if( !sc.isSuccess() ) {
      error() << "Unable to initialize Algorithm: " << (*ita)->name() << endmsg;
      return sc;
    }
  }
  for (ita = m_outStreamList.begin(); ita != m_outStreamList.end(); ita++ ) {
    sc = (*ita)->sysInitialize();
    if( !sc.isSuccess() ) {
      error() << "Unable to initialize Output Stream: " << (*ita)->name() << endmsg;
      return sc;
    }
  }

  return StatusCode::SUCCESS;
}

StatusCode MinimalEventLoopMgr::nextEvent ( int  maxevt )

virtual

implementation of IEventProcessor::nextEvent

Implements IEventProcessor.

Reimplemented in EventLoopMgr.

Definition at line 322 of file MinimalEventLoopMgr.cpp.

                                                 {
  error() << "This method cannot be called on an object of type "
          << System::typeinfoName(typeid(*this)) << endmsg;
  return StatusCode::FAILURE;
}

MinimalEventLoopMgr& MinimalEventLoopMgr::operator= ( const MinimalEventLoopMgr &  )

private

Fake assignment operator (never implemented).

void MinimalEventLoopMgr::outStreamHandler

(

Property &

p

)

Output stream List handler.

Definition at line 531 of file MinimalEventLoopMgr.cpp.

                                                                {
  if ( !(decodeOutStreams( )).isSuccess() ) {
    throw GaudiException("Failed to initialize output streams.",
                         "MinimalEventLoopMgr::outStreamHandler",
                         StatusCode::FAILURE);
  }
}

StatusCode MinimalEventLoopMgr::reinitialize ( )

virtual

implementation of IService::reinitialize

Reimplemented from Service.

Reimplemented in EventLoopMgr.

Definition at line 215 of file MinimalEventLoopMgr.cpp.

                                             {
  StatusCode sc = StatusCode::SUCCESS;
  ListAlg::iterator ita;

  // Reinitialize all the TopAlgs.
  for (ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    sc = (*ita)->sysReinitialize();
    if( !sc.isSuccess() ) {
      error() << "Unable to reinitialize Algorithm: " << (*ita)->name() << endmsg;
      return sc;
    }
  }
  for (ita = m_outStreamList.begin(); ita != m_outStreamList.end(); ita++ ) {
    sc = (*ita)->sysReinitialize();
    if( !sc.isSuccess() ) {
      error() << "Unable to reinitialize Output Stream: " << (*ita)->name() << endmsg;
      return sc;
    }
  }

  return sc;
}

StatusCode MinimalEventLoopMgr::restart ( )

virtual

implementation of IService::restart

Reimplemented from Service.

Definition at line 240 of file MinimalEventLoopMgr.cpp.

                                        {
  StatusCode sc = StatusCode::SUCCESS;
  ListAlg::iterator ita;

  // Restart all the TopAlgs.
  for (ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    sc = (*ita)->sysRestart();
    if( !sc.isSuccess() ) {
      error() << "Unable to restart Algorithm: " << (*ita)->name() << endmsg;
      return sc;
    }
  }
  for (ita = m_outStreamList.begin(); ita != m_outStreamList.end(); ita++ ) {
    sc = (*ita)->sysRestart();
    if( !sc.isSuccess() ) {
      error() << "Unable to restart Output Stream: " << (*ita)->name() << endmsg;
      return sc;
    }
  }

  return sc;
}

StatusCode MinimalEventLoopMgr::start ( )

virtual

implementation of IService::start

Reimplemented from Service.

Definition at line 160 of file MinimalEventLoopMgr.cpp.

                                         {

  StatusCode sc = Service::start();
  if ( ! sc.isSuccess() ) return sc;

  ListAlg::iterator ita;
  // Start all the new TopAlgs. In fact Algorithms are protected against getting
  // started twice.
  for (ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    sc = (*ita)->sysStart();
    if( !sc.isSuccess() ) {
      error() << "Unable to start Algorithm: " << (*ita)->name() << endmsg;
      return sc;
    }
  }
  for (ita = m_outStreamList.begin(); ita != m_outStreamList.end(); ita++ ) {
    sc = (*ita)->sysStart();
    if( !sc.isSuccess() ) {
      error() << "Unable to start Output Stream: " << (*ita)->name() << endmsg;
      return sc;
    }
  }
  return StatusCode::SUCCESS;
}

StatusCode MinimalEventLoopMgr::stop ( )

virtual

implementation of IService::stop

Reimplemented from Service.

Reimplemented in EventLoopMgr.

Definition at line 187 of file MinimalEventLoopMgr.cpp.

                                        {

  StatusCode sc = StatusCode::SUCCESS;

  ListAlg::iterator ita;
  // Stop all the TopAlgs. In fact Algorithms are protected against getting
  // stopped twice.
  for (ita = m_topAlgList.begin(); ita != m_topAlgList.end(); ita++ ) {
    sc = (*ita)->sysStop();
    if( !sc.isSuccess() ) {
      error() << "Unable to stop Algorithm: " << (*ita)->name() << endmsg;
      return sc;
    }
  }
  for (ita = m_outStreamList.begin(); ita != m_outStreamList.end(); ita++ ) {
    sc = (*ita)->sysStop();
    if( !sc.isSuccess() ) {
      error() << "Unable to stop Output Stream: " << (*ita)->name() << endmsg;
      return sc;
    }
  }

  return Service::stop();
}

StatusCode MinimalEventLoopMgr::stopRun ( )

virtual

implementation of IEventProcessor::stopRun( )

Implements IEventProcessor.

Definition at line 467 of file MinimalEventLoopMgr.cpp.

                                        {
  // Set the application return code
  SmartIF<IProperty> appmgr(serviceLocator());
  if(Gaudi::setAppReturnCode(appmgr, Gaudi::ReturnCode::ScheduledStop).isFailure()) {
    error() << "Could not set return code of the application ("
            << Gaudi::ReturnCode::ScheduledStop << ")" << endmsg;
  }
  m_scheduledStop = true;
  return StatusCode::SUCCESS;
}

void MinimalEventLoopMgr::topAlgHandler

(

Property &

p

)

Top algorithm List handler.

Definition at line 481 of file MinimalEventLoopMgr.cpp.

                                                      {
  if ( !(decodeTopAlgs( )).isSuccess() ) {
    throw GaudiException("Failed to initialize Top Algorithms streams.",
                         "MinimalEventLoopMgr::topAlgHandler",
                         StatusCode::FAILURE);
  }
}

Member Data Documentation

bool MinimalEventLoopMgr::m_abortEvent

protected

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

Definition at line 59 of file MinimalEventLoopMgr.h.

SmartIF<IIncidentListener> MinimalEventLoopMgr::m_abortEventListener

protected

Instance of the incident listener waiting for AbortEvent.

Definition at line 56 of file MinimalEventLoopMgr.h.

std::string MinimalEventLoopMgr::m_abortEventSource

protected

Source of the AbortEvent incident.

Definition at line 61 of file MinimalEventLoopMgr.h.

SmartIF<IAppMgrUI> MinimalEventLoopMgr::m_appMgrUI

protected

Reference to the IAppMgrUI interface of the application manager.

Definition at line 38 of file MinimalEventLoopMgr.h.

SmartIF<IIncidentSvc> MinimalEventLoopMgr::m_incidentSvc

protected

Reference to the incident service.

Definition at line 40 of file MinimalEventLoopMgr.h.

ListAlg MinimalEventLoopMgr::m_outStreamList

protected

List of output streams.

Definition at line 44 of file MinimalEventLoopMgr.h.

StringArrayProperty MinimalEventLoopMgr::m_outStreamNames

protected

List of output stream names.

Definition at line 50 of file MinimalEventLoopMgr.h.

std::string MinimalEventLoopMgr::m_outStreamType

protected

Out Stream type.

Definition at line 46 of file MinimalEventLoopMgr.h.

bool MinimalEventLoopMgr::m_scheduledStop

protected

Scheduled stop of event processing.

Definition at line 54 of file MinimalEventLoopMgr.h.

State MinimalEventLoopMgr::m_state

protected

State of the object.

Definition at line 52 of file MinimalEventLoopMgr.h.

ListAlg MinimalEventLoopMgr::m_topAlgList

protected

List of top level algorithms.

Definition at line 42 of file MinimalEventLoopMgr.h.

StringArrayProperty MinimalEventLoopMgr::m_topAlgNames

protected

List of top level algorithms names.

Definition at line 48 of file MinimalEventLoopMgr.h.

---

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

• GaudiKernel/GaudiKernel/MinimalEventLoopMgr.h
• GaudiKernel/src/Lib/MinimalEventLoopMgr.cpp