MinimalEventLoopMgr Class Reference

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

#include </tmp/marcocle/lhcb-release/1122/GAUDI/GAUDI_v27r0/InstallArea/x86_64-slc6-gcc49-opt/include/GaudiKernel/MinimalEventLoopMgr.h>

Inheritance diagram for MinimalEventLoopMgr:

Collaboration diagram for MinimalEventLoopMgr:

Public Types
typedef std::vector< SmartIF< IAlgorithm > >	ListAlg
typedef std::vector< SmartIF< IAlgorithm > >	ListAlg
Public Types inherited from extends< BASE, Interfaces >
using	base_class = extends
	Typedef to this class. More...
using	extend_interfaces_base = extend_interfaces< Interfaces...>
	Typedef to the base of this class. More...
using	base_class = extends
	Typedef to this class. More...
using	extend_interfaces_base = extend_interfaces< Interfaces...>
	Typedef to the base of this class. More...
Public Types inherited from extend_interfaces< Interfaces...>
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids...>::type
	take union of the ext_iids of all Interfaces... More...
using	ext_iids = typename Gaudi::interface_list_cat< typename Interfaces::ext_iids...>::type
	take union of the ext_iids of all Interfaces... More...

Public Member Functions
	MinimalEventLoopMgr (const std::string &nam, ISvcLocator *svcLoc)
	Standard Constructor. More...
	~MinimalEventLoopMgr () override=default
	Standard Destructor. More...
StatusCode	initialize () override
	implementation of IService::initialize More...
StatusCode	start () override
	implementation of IService::start More...
StatusCode	stop () override
	implementation of IService::stop More...
StatusCode	finalize () override
	implementation of IService::finalize More...
StatusCode	reinitialize () override
	implementation of IService::reinitialize More...
StatusCode	restart () override
	implementation of IService::restart More...
StatusCode	nextEvent (int maxevt) override
	implementation of IEventProcessor::nextEvent More...
StatusCode	executeEvent (void *par) override
	implementation of IEventProcessor::executeEvent(void* par) More...
StatusCode	executeRun (int maxevt) override
	implementation of IEventProcessor::executeRun( ) More...
StatusCode	stopRun () override
	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...
	MinimalEventLoopMgr (const std::string &nam, ISvcLocator *svcLoc)
	Standard Constructor. More...
	~MinimalEventLoopMgr () override=default
	Standard Destructor. More...
StatusCode	initialize () override
	implementation of IService::initialize More...
StatusCode	start () override
	implementation of IService::start More...
StatusCode	stop () override
	implementation of IService::stop More...
StatusCode	finalize () override
	implementation of IService::finalize More...
StatusCode	reinitialize () override
	implementation of IService::reinitialize More...
StatusCode	restart () override
	implementation of IService::restart More...
StatusCode	nextEvent (int maxevt) override
	implementation of IEventProcessor::nextEvent More...
StatusCode	executeEvent (void *par) override
	implementation of IEventProcessor::executeEvent(void* par) More...
StatusCode	executeRun (int maxevt) override
	implementation of IEventProcessor::executeRun( ) More...
StatusCode	stopRun () override
	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 extends< BASE, Interfaces >
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...
	~extends () override=default
	Virtual destructor. More...
void *	i_cast (const InterfaceID &tid) const override
	Implementation of IInterface::i_cast. More...
StatusCode	queryInterface (const InterfaceID &ti, void **pp) override
	Implementation of IInterface::queryInterface. More...
std::vector< std::string >	getInterfaceNames () const override
	Implementation of IInterface::getInterfaceNames. More...
	~extends () override=default
	Virtual destructor. More...
Public Member Functions inherited from extend_interfaces< Interfaces...>
	~extend_interfaces () override=default
	Virtual destructor. More...
	~extend_interfaces () override=default
	Virtual destructor. More...

Protected Types
enum	State {   OFFLINE, CONFIGURED, FINALIZED, INITIALIZED,   OFFLINE, CONFIGURED, FINALIZED, INITIALIZED }
enum	State {   OFFLINE, CONFIGURED, FINALIZED, INITIALIZED,   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 = OFFLINE
	State of the object. More...
bool	m_scheduledStop = false
	Scheduled stop of event processing. More...
SmartIF< IIncidentListener >	m_abortEventListener
	Instance of the incident listener waiting for AbortEvent. More...
bool	m_abortEvent = false
	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...

Private Member Functions
	MinimalEventLoopMgr (const MinimalEventLoopMgr &)
	Fake copy constructor (never implemented). More...
MinimalEventLoopMgr &	operator= (const MinimalEventLoopMgr &)
	Fake assignment operator (never implemented). More...
	MinimalEventLoopMgr (const MinimalEventLoopMgr &)
	Fake copy constructor (never implemented). More...
MinimalEventLoopMgr &	operator= (const MinimalEventLoopMgr &)
	Fake assignment operator (never implemented). 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 25 of file MinimalEventLoopMgr.h.

Member Typedef Documentation

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

Definition at line 28 of file MinimalEventLoopMgr.h.

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

Definition at line 28 of file MinimalEventLoopMgr.h.

Member Enumeration Documentation

enum MinimalEventLoopMgr::State

protected

Enumerator
OFFLINE
CONFIGURED
FINALIZED
INITIALIZED
OFFLINE
CONFIGURED
FINALIZED
INITIALIZED

Definition at line 32 of file MinimalEventLoopMgr.h.

{ OFFLINE, CONFIGURED, FINALIZED, INITIALIZED };

enum MinimalEventLoopMgr::State

protected

Enumerator
OFFLINE
CONFIGURED
FINALIZED
INITIALIZED
OFFLINE
CONFIGURED
FINALIZED
INITIALIZED

Definition at line 32 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 );
}

MinimalEventLoopMgr::~MinimalEventLoopMgr ( )

overridedefault

Standard Destructor.

MinimalEventLoopMgr::MinimalEventLoopMgr ( const MinimalEventLoopMgr &  )

private

Fake copy constructor (never implemented).

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

Standard Constructor.

MinimalEventLoopMgr::~MinimalEventLoopMgr ( )

overridedefault

Standard Destructor.

MinimalEventLoopMgr::MinimalEventLoopMgr ( const MinimalEventLoopMgr &  )

private

Fake copy constructor (never implemented).

Member Function Documentation

StatusCode MinimalEventLoopMgr::decodeOutStreams

(

)

decodeOutStreamNameList & outStreamNameListHandler

Definition at line 509 of file MinimalEventLoopMgr.cpp.

                                                     {
  StatusCode sc = StatusCode::SUCCESS;
  if ( CONFIGURED == m_state || INITIALIZED == m_state ) {
    auto algMan = serviceLocator()->as<IAlgManager>();
    if ( algMan )   {
      // Reset the existing Top Algorithm List
      m_outStreamList.clear();
      for (const auto& it : m_outStreamNames.value( ) ) {
        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) {
          DEBMSG << "Output Stream " << item.name() << " already exists" << endmsg;
        } else {
          DEBMSG << "Creating Output Stream " << it << endmsg;
          IAlgorithm* ios = nullptr;
          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::decodeOutStreams

(

)

decodeOutStreamNameList & outStreamNameListHandler

StatusCode MinimalEventLoopMgr::decodeTopAlgs

(

)

decodeTopAlgNameList & topAlgNameListHandler

StatusCode MinimalEventLoopMgr::decodeTopAlgs

(

)

decodeTopAlgNameList & topAlgNameListHandler

Definition at line 459 of file MinimalEventLoopMgr.cpp.

                                                 {
  StatusCode sc = StatusCode::SUCCESS;
  if ( CONFIGURED == m_state || INITIALIZED == m_state ) {
    auto algMan = serviceLocator()->as<IAlgManager>();
    if ( algMan )   {
      // Reset the existing Top Algorithm List
      m_topAlgList.clear( );
      m_topAlgList.reserve( m_topAlgNames.value().size() );
      for (const auto& it : m_topAlgNames.value( )) {
        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) {
          DEBMSG << "Top Algorithm " << item_name << " already exists" << endmsg;
        }
        else {
          DEBMSG << "Creating Top Algorithm " << item.type() << " with name " << item_name << endmsg;
          IAlgorithm *ialg = nullptr;
          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 )

override

implementation of IEventProcessor::executeEvent(void* par)

StatusCode MinimalEventLoopMgr::executeEvent ( void *  par )

override

implementation of IEventProcessor::executeEvent(void* par)

Definition at line 358 of file MinimalEventLoopMgr.cpp.

                                                       {
  bool eventfailed = false;

  // Call the resetExecuted() method of ALL "known" algorithms
  // (before we were reseting only the topalgs)
  auto algMan = serviceLocator()->as<IAlgManager>();
  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 auto appmgr = serviceLocator()->as<IProperty>();
  // Call the execute() method of all top algorithms
  for (auto&  ita : m_topAlgList ) {
    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 (auto&  ito : m_outStreamList) {
    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 )

override

implementation of IEventProcessor::executeRun( )

Definition at line 306 of file MinimalEventLoopMgr.cpp.

                                                       {
  StatusCode  sc;
  bool eventfailed = false;

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

  return eventfailed ? StatusCode::FAILURE : StatusCode::SUCCESS;
}

StatusCode MinimalEventLoopMgr::executeRun ( int  maxevt )

override

implementation of IEventProcessor::executeRun( )

StatusCode MinimalEventLoopMgr::finalize ( )

override

implementation of IService::finalize

Definition at line 247 of file MinimalEventLoopMgr.cpp.

                                         {
  StatusCode sc = StatusCode::SUCCESS;
  StatusCode scRet = StatusCode::SUCCESS;
  // Call the finalize() method of all top algorithms
  for (auto&  ita : m_topAlgList ) {
    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 (auto &ita : m_outStreamList) {
    sc = ita->sysFinalize();
    if( !sc.isSuccess() ) {
      scRet = StatusCode::FAILURE;
      warning() << "Finalization of algorithm " << ita->name() << " failed" << endmsg;
    }
  }
  // release all top algorithms
  auto algMan = serviceLocator()->as<IAlgManager>();
  for (auto &ita : m_topAlgList ) {
    if (algMan->removeAlgorithm(ita).isFailure()) {
      scRet = StatusCode::FAILURE;
      warning() << "Problems removing Algorithm " << ita->name() << endmsg;
    }
  }
  m_topAlgList.clear();
  m_outStreamList.clear();
  if ( sc.isSuccess() ) m_state = FINALIZED;

  m_incidentSvc->removeListener(m_abortEventListener, IncidentType::AbortEvent);
  m_abortEventListener.reset();

  m_incidentSvc.reset();
  m_appMgrUI.reset();

  sc = Service::finalize();

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

  return scRet;
}

StatusCode MinimalEventLoopMgr::finalize ( )

override

implementation of IService::finalize

StatusCode MinimalEventLoopMgr::initialize ( )

override

implementation of IService::initialize

StatusCode MinimalEventLoopMgr::initialize ( )

override

implementation of IService::initialize

Definition at line 65 of file MinimalEventLoopMgr.cpp.

                                              {

  if ( !m_appMgrUI ) return StatusCode::FAILURE;

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

  auto prpMgr = serviceLocator()->as<IProperty>();
  if ( !prpMgr )   {
    error() << "Error retrieving AppMgr interface IProperty." << endmsg;
    return StatusCode::FAILURE;
  }
  if ( m_topAlgNames.value().empty() )    {
    setProperty(prpMgr->getProperty("TopAlg")).ignore();
  }
  if ( m_outStreamNames.value().empty() )   {
    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 )  {
    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;
  }

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

override

implementation of IEventProcessor::nextEvent

StatusCode MinimalEventLoopMgr::nextEvent ( int  maxevt )

override

implementation of IEventProcessor::nextEvent

Definition at line 297 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).

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

private

Fake assignment operator (never implemented).

void MinimalEventLoopMgr::outStreamHandler

(

Property &

p

)

Output stream List handler.

Definition at line 498 of file MinimalEventLoopMgr.cpp.

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

void MinimalEventLoopMgr::outStreamHandler

(

Property &

p

)

Output stream List handler.

StatusCode MinimalEventLoopMgr::reinitialize ( )

override

implementation of IService::reinitialize

Definition at line 198 of file MinimalEventLoopMgr.cpp.

                                             {
  StatusCode sc = StatusCode::SUCCESS;

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

  return sc;
}

StatusCode MinimalEventLoopMgr::reinitialize ( )

override

implementation of IService::reinitialize

StatusCode MinimalEventLoopMgr::restart ( )

override

implementation of IService::restart

StatusCode MinimalEventLoopMgr::restart ( )

override

implementation of IService::restart

Definition at line 222 of file MinimalEventLoopMgr.cpp.

                                        {
  StatusCode sc = StatusCode::SUCCESS;

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

  return sc;
}

StatusCode MinimalEventLoopMgr::start ( )

override

implementation of IService::start

Definition at line 145 of file MinimalEventLoopMgr.cpp.

                                         {

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

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

StatusCode MinimalEventLoopMgr::start ( )

override

implementation of IService::start

StatusCode MinimalEventLoopMgr::stop ( )

override

implementation of IService::stop

StatusCode MinimalEventLoopMgr::stop ( )

override

implementation of IService::stop

Definition at line 171 of file MinimalEventLoopMgr.cpp.

                                        {

  StatusCode sc(StatusCode::SUCCESS,true);

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

  return Service::stop();
}

StatusCode MinimalEventLoopMgr::stopRun ( )

override

implementation of IEventProcessor::stopRun( )

StatusCode MinimalEventLoopMgr::stopRun ( )

override

implementation of IEventProcessor::stopRun( )

Definition at line 434 of file MinimalEventLoopMgr.cpp.

                                        {
  // Set the application return code
  auto appmgr = serviceLocator()->as<IProperty>();
  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 448 of file MinimalEventLoopMgr.cpp.

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

void MinimalEventLoopMgr::topAlgHandler

(

Property &

p

)

Top algorithm List handler.

Member Data Documentation

bool MinimalEventLoopMgr::m_abortEvent = false

protected

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

Definition at line 55 of file MinimalEventLoopMgr.h.

SmartIF< IIncidentListener > MinimalEventLoopMgr::m_abortEventListener

protected

Instance of the incident listener waiting for AbortEvent.

Definition at line 52 of file MinimalEventLoopMgr.h.

std::string MinimalEventLoopMgr::m_abortEventSource

protected

Source of the AbortEvent incident.

Definition at line 57 of file MinimalEventLoopMgr.h.

SmartIF< IAppMgrUI > MinimalEventLoopMgr::m_appMgrUI

protected

Reference to the IAppMgrUI interface of the application manager.

Definition at line 34 of file MinimalEventLoopMgr.h.

SmartIF< IIncidentSvc > MinimalEventLoopMgr::m_incidentSvc

protected

Reference to the incident service.

Definition at line 36 of file MinimalEventLoopMgr.h.

ListAlg MinimalEventLoopMgr::m_outStreamList

protected

List of output streams.

Definition at line 40 of file MinimalEventLoopMgr.h.

StringArrayProperty MinimalEventLoopMgr::m_outStreamNames

protected

List of output stream names.

Definition at line 46 of file MinimalEventLoopMgr.h.

std::string MinimalEventLoopMgr::m_outStreamType

protected

Out Stream type.

Definition at line 42 of file MinimalEventLoopMgr.h.

bool MinimalEventLoopMgr::m_scheduledStop = false

protected

Scheduled stop of event processing.

Definition at line 50 of file MinimalEventLoopMgr.h.

State MinimalEventLoopMgr::m_state = OFFLINE

protected

State of the object.

Definition at line 48 of file MinimalEventLoopMgr.h.

ListAlg MinimalEventLoopMgr::m_topAlgList

protected

List of top level algorithms.

Definition at line 38 of file MinimalEventLoopMgr.h.

StringArrayProperty MinimalEventLoopMgr::m_topAlgNames

protected

List of top level algorithms names.

Definition at line 44 of file MinimalEventLoopMgr.h.

---

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

• InstallArea/x86_64-slc6-gcc49-opt/include/GaudiKernel/MinimalEventLoopMgr.h
• GaudiKernel/src/Lib/MinimalEventLoopMgr.cpp