#include <SystObjectLinkerAlg.h>

Inheritance diagram for CP::SystObjectLinkerAlg:

Collaboration diagram for CP::SystObjectLinkerAlg:

Public Member Functions
StatusCode	initialize () override
	Initialisation method, for setting up tools and other persistent configs.
StatusCode	execute (const EventContext &ctx) const override
	Execute method, for actions to be taken in the event loop.
	AnaReentrantAlgorithm (const std::string &name, ISvcLocator *pSvcLocator)
	The standard constructor.
virtual StatusCode	sysInitialize () override
	Override sysInitialize.
virtual bool	isClonable () const override
	Specify if the algorithm is clonable.
virtual StatusCode	sysExecute (const EventContext &ctx) override
	Execute an algorithm.
virtual const DataObjIDColl &	extraOutputDeps () const override
	Return the list of extra output dependencies.
virtual bool	filterPassed (const EventContext &ctx) const
	Get filter decision:
virtual void	setFilterPassed (bool state, const EventContext &ctx) const
	Set filter decision:
ServiceHandle< StoreGateSvc > &	evtStore ()
	The standard `StoreGateSvc` (event store) Returns (kind of) a pointer to the `StoreGateSvc`.
const ServiceHandle< StoreGateSvc > &	detStore () const
	The standard `StoreGateSvc/DetectorStore` Returns (kind of) a pointer to the `StoreGateSvc`.
virtual StatusCode	sysStart () override
	Handle START transition.
virtual std::vector< Gaudi::DataHandle * >	inputHandles () const override
	Return this algorithm's input handles.
virtual std::vector< Gaudi::DataHandle * >	outputHandles () const override
	Return this algorithm's output handles.
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Property< T, V, H > &t)
void	updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream &	msg () const
bool	msgLvl (const MSG::Level lvl) const

Protected Member Functions
virtual::StatusCode	finalize ()
	finalize this algorithm
void	renounceArray (SG::VarHandleKeyArray &handlesArray)
	remove all handles from I/O resolution
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void >	renounce (T &h)
void	extraDeps_update_handler (Gaudi::Details::PropertyBase &ExtraDeps)
	Add StoreName to extra input/output deps as needed.

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

Private Member Functions
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
	specialization for handling Gaudi::Property<SG::VarHandleKey>

Private Attributes
CP::SysListHandle	m_systematicsList {this}
	We use default finalize() – this is for cleanup, and we don't do any.
CP::SysReadHandle< xAOD::IParticleContainer >	m_inputHandle { this, "input", "", "Container to read" }
	Setup syst-aware input container handles.
CP::SysWriteDecorHandle< ElementLink< xAOD::IParticleContainer > >	m_syst_link_decor {"systVarLink_%SYS%", this}
	Setup sys-aware output decorations.
DataObjIDColl	m_extendedExtraObjects
	Extra output dependency collection, extended by AthAlgorithmDHUpdate to add symlinks.
StoreGateSvc_t	m_evtStore
	Pointer to StoreGate (event store by default).
StoreGateSvc_t	m_detStore
	Pointer to StoreGate (detector store by default).
std::vector< SG::VarHandleKeyArray * >	m_vhka
bool	m_varHandleArraysDeclared

Detailed Description

Definition at line 35 of file SystObjectLinkerAlg.h.

Member Typedef Documentation

◆ StoreGateSvc_t

typedef ServiceHandle<StoreGateSvc> AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::StoreGateSvc_t

privateinherited

Definition at line 376 of file AthCommonDataStore.h.

Member Function Documentation

◆ AnaReentrantAlgorithm()

EL::AnaReentrantAlgorithm::AnaReentrantAlgorithm	(	const std::string &	name,
		ISvcLocator *	pSvcLocator )

The standard constructor.

Definition at line 67 of file AnaReentrantAlgorithm.cxx.

    : AsgComponent (name)
#else
    : AthReentrantAlgorithm (name, pSvcLocator)
#endif
  {
    ANA_MSG_DEBUG ("AnaReentrantAlgorithm: " << name);
  }

◆ declareGaudiProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::declareGaudiProperty	(	Gaudi::Property< T, V, H > &	hndl,
		const SG::VarHandleKeyType &	)

inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleKey>

Definition at line 156 of file AthCommonDataStore.h.

  {
    return *AthCommonDataStore<PBASE>::declareProperty(hndl.name(),
                                                       hndl.value(), 
                                                       hndl.documentation());
 
  }

◆ declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::declareProperty ( Gaudi::Property< T, V, H > & t )

inlineinherited

Definition at line 145 of file AthCommonDataStore.h.

                                                                     {
    typedef typename SG::HandleClassifier<T>::type htype;
    return AthCommonDataStore<PBASE>::declareGaudiProperty(t, htype());
  }

◆ detStore()

const ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::detStore ( ) const

inlineinherited

The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 95 of file AthCommonDataStore.h.

95{ return m_detStore; }

AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_detStore

StoreGateSvc_t m_detStore

Definition AthCommonDataStore.h:381

◆ evtStore()

ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::evtStore ( )

inlineinherited

The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 85 of file AthCommonDataStore.h.

85{ return m_evtStore; }

AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_evtStore

StoreGateSvc_t m_evtStore

Definition AthCommonDataStore.h:378

◆ execute()

StatusCode CP::SystObjectLinkerAlg::execute ( const EventContext & ctx ) const

override

Execute method, for actions to be taken in the event loop.

Definition at line 35 of file SystObjectLinkerAlg.cxx.

  {
 
    // Populate a map of systematics hash to container, so we
    // can iterate safely regardless of the ordering of systs
    // from the SystematicsSvc
    // (mainly avoid assumption that nominal comes first)
    std::unordered_map<std::size_t, const xAOD::IParticleContainer*> systhash_to_container;
    systhash_to_container.reserve(m_systematicsList.systematicsVector().size());
    // Record the hash for the nominal for easier access
    size_t nominal_hash{SIZE_MAX};
    // Loop is over CP::SystematicsSet, but recommended to use auto
    // in case this ever changes...
    for (const auto& sys : m_systematicsList.systematicsVector())
    {
        const xAOD::IParticleContainer* sys_container = nullptr;
        ATH_CHECK( m_inputHandle.retrieve(sys_container, sys, ctx) );
 
        // Record the hash for the nominal
        if(sys.name().empty()) {nominal_hash = sys.hash();}
 
        // We can't find the original container if the systematics
        // copies are empty. This is a slight vulnerability.
        if (sys_container->empty()) {
            ATH_MSG_DEBUG("Container for systematic variation '" << sys.name() << "' was empty.");
            systhash_to_container.insert({sys.hash(), nullptr});
            continue;
        }
 
        // Navigate to the full container, as this may be a view container
        // holding a subset of the objects
        // Cast from SG::AuxVectorData
        const xAOD::IParticleContainer* full_container =
          static_cast<const xAOD::IParticleContainer*>(sys_container->front()->container());
        systhash_to_container.insert({sys.hash(), full_container});
        if(full_container == sys_container) {
            ATH_MSG_VERBOSE("The unfiltered container and the input container are the same.");
        } else {
            ATH_MSG_DEBUG("Read in container with " << sys_container->size() << " elements.");
            ATH_MSG_DEBUG("Traced back to unfiltered container with " << full_container->size() << " elements.");
        }
    }
 
    if(nominal_hash==SIZE_MAX) {
        ATH_MSG_ERROR("The nominal variation was not detected!");
        return StatusCode::FAILURE;
    }
 
    // Iterate over the nominal container, extract the index-parallel syst
    // Then apply the bidirectional links as decorations
    const xAOD::IParticleContainer* nom_cont = systhash_to_container[nominal_hash];
    if(nom_cont==nullptr) {
        for (const auto& sys : m_systematicsList.systematicsVector()) {
            if(sys.hash()!=nominal_hash && systhash_to_container[sys.hash()]!=nullptr) {
                ATH_MSG_WARNING("Nominal container is empty but the container for systematic variation '" << sys.name() << "' is not."
                                << " No nominal/systematic links will be written, so e.g. SystObjectUnioniserAlg will fail on this event.");
                break;
            }
        }
        ATH_MSG_DEBUG("Unable to retrieve the nominal container, will have to assume there are no relevant objects");
        return StatusCode::SUCCESS;
    }
 
    for (const auto& sys : m_systematicsList.systematicsVector()) {
        if(sys.hash()==nominal_hash) {continue;}
        const xAOD::IParticleContainer *var_cont = systhash_to_container[sys.hash()];
        if(var_cont==nullptr) {
            ATH_MSG_ERROR("Cannot decorate syst '" << sys.name() << "'");
            ATH_MSG_ERROR("Likely the systematics input container was empty after filtering.");
            //must return here, the var_cont pointer is dereferenced below
            return StatusCode::FAILURE;
        }
        ATH_MSG_VERBOSE("Writing decoration " << m_syst_link_decor.getName(sys));
        for (const xAOD::IParticle* nom_obj : *nom_cont) {
            const xAOD::IParticle* var_obj = (*var_cont)[nom_obj->index()];
            dec_nominalObject(*var_obj) = iplink_t(*nom_cont, nom_obj->index(), ctx);
            m_syst_link_decor.set(*nom_obj, iplink_t(*var_cont, var_obj->index(), ctx), sys);
            ATH_MSG_VERBOSE("Nominal object with pt " << std::setprecision(3) << nom_obj->pt()/1e3 << " GeV linked to");
            ATH_MSG_VERBOSE("  '" << sys.name() << "' varied object with pt " << std::setprecision(3) << var_obj->pt()/1e3 << " GeV.");
        }
    }
 
    return StatusCode::SUCCESS;
  }

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::extraDeps_update_handler ( Gaudi::Details::PropertyBase & ExtraDeps )

protectedinherited

Add StoreName to extra input/output deps as needed.

use the logic of the VarHandleKey to parse the DataObjID keys supplied via the ExtraInputs and ExtraOuputs Properties to add the StoreName if it's not explicitly given

◆ extraOutputDeps()

const DataObjIDColl & AthCommonAlgorithm< Gaudi::Algorithm >::extraOutputDeps ( ) const

overridevirtualinherited

Return the list of extra output dependencies.

This list is extended to include symlinks implied by inheritance relations.

Definition at line 89 of file AthCommonAlgorithm.cxx.

{
  // If we didn't find any symlinks to add, just return the collection
  // from the base class.  Otherwise, return the extended collection.
  if (!m_extendedExtraObjects.empty()) {
    return m_extendedExtraObjects;
  }
  return BaseAlg::extraOutputDeps();
}

◆ filterPassed()

virtual bool AthCommonAlgorithm< Gaudi::Algorithm >::filterPassed ( const EventContext & ctx ) const

inlinevirtualinherited

Get filter decision:

Definition at line 93 of file AthCommonAlgorithm.h.

                                                           {
    return execState( ctx ).filterPassed();
  }

◆ finalize()

StatusCode EL::AnaReentrantAlgorithm::finalize ( )

protectedinherited

finalize this algorithm

This gets called after event processing has finished. The last event may no longer be in memory, and the code should not try to access it.

Definition at line 96 of file AnaReentrantAlgorithm.cxx.

  {
    return StatusCode::SUCCESS;
  }

◆ initialize()

StatusCode CP::SystObjectLinkerAlg::initialize ( )

override

Initialisation method, for setting up tools and other persistent configs.

Definition at line 18 of file SystObjectLinkerAlg.cxx.

  {
 
    // Read syst-aware input handles
    ATH_CHECK (m_inputHandle.initialize(m_systematicsList));
 
    // Intialise syst-aware output decorators
    ATH_CHECK(m_syst_link_decor.initialize(m_systematicsList, m_inputHandle));
 
    // Intialise syst list (must come after all syst-aware inputs and outputs)
    ATH_CHECK (m_systematicsList.initialize());
 
    ATH_MSG_DEBUG("Adding nominal/systematic object links for " << m_inputHandle.getNamePattern());
 
    return StatusCode::SUCCESS;
  }

◆ inputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::inputHandles ( ) const

overridevirtualinherited

Return this algorithm's input handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ isClonable()

virtual bool AthCommonAlgorithm< Gaudi::Algorithm >::isClonable ( ) const

inlineoverridevirtualinherited

Specify if the algorithm is clonable.

Only relevant for non-reentrant algorithms. Actual number of clones needs to be set via the "Cardinality" property.

Reimplemented in AFP_DigiTop, AlgB, AlgT, BCM_Digitization, CscDigitBuilder, CscDigitToCscRDO, G4AtlasAlg, G4RunAlg, HGTD_Digitization, HiveAlgBase, InDet::GNNSeedingTrackMaker, InDet::SCT_Clusterization, InDet::SiSPGNNTrackMaker, InDet::SiSPSeededTrackFinder, InDet::SiTrackerSpacePointFinder, ISF::SimKernelMT, ITk::StripDigitization, ITkPixelCablingAlg, ITkStripCablingAlg, LArHitEMapMaker, LArTTL1Maker, LUCID_DigiTop, LVL1::L1TopoSimulation, MergeCalibHits, MergeGenericMuonSimHitColl, MergeHijingPars, MergeMcEventCollection, MergeTrackRecordCollection, MergeTruthJets, MergeTruthParticles, MuonDigitizer, PileUpMTAlg, PixelDigitization, RoIBResultToxAOD, SCT_ByteStreamErrorsTestAlg, SCT_CablingCondAlgFromCoraCool, SCT_CablingCondAlgFromText, SCT_ConditionsParameterTestAlg, SCT_ConditionsSummaryTestAlg, SCT_ConfigurationConditionsTestAlg, SCT_Digitization, SCT_FlaggedConditionTestAlg, SCT_LinkMaskingTestAlg, SCT_MajorityConditionsTestAlg, SCT_ModuleVetoTestAlg, SCT_MonitorConditionsTestAlg, SCT_PrepDataToxAOD, SCT_RawDataToxAOD, SCT_ReadCalibChipDataTestAlg, SCT_ReadCalibDataTestAlg, SCT_RODVetoTestAlg, SCT_SensorsTestAlg, SCT_SiliconConditionsTestAlg, SCT_StripVetoTestAlg, SCT_TdaqEnabledTestAlg, SCT_TestCablingAlg, SCTEventFlagWriter, SCTRawDataProvider, SCTSiLorentzAngleTestAlg, SCTSiPropertiesTestAlg, SGInputLoader, Simulation::BeamEffectsAlg, TileHitVecToCnt, TileMuonFitter, TilePulseForTileMuonReceiver, TileRawChannelMaker, TRTDigitization, and ZDC_DigiTop.

Definition at line 68 of file AthCommonAlgorithm.h.

                                           {
    return true;
  }

◆ msg()

MsgStream & AthCommonMsg< Gaudi::Algorithm >::msg ( ) const

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                {
    return this->msgStream();
  }

◆ msgLvl()

bool AthCommonMsg< Gaudi::Algorithm >::msgLvl ( const MSG::Level lvl ) const

inlineinherited

Definition at line 30 of file AthCommonMsg.h.

                                               {
    return this->msgLevel(lvl);
  }

◆ outputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::outputHandles ( ) const

overridevirtualinherited

Return this algorithm's output handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ renounce()

std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::renounce ( T & h )

inlineprotectedinherited

Definition at line 368 of file AthCommonDataStore.h.

  {
    h.renounce();
    PBASE::renounce (h);
  }

◆ renounceArray()

void AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::renounceArray ( SG::VarHandleKeyArray & handlesArray )

inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 352 of file AthCommonDataStore.h.

                                                          {
    handlesArray.renounce();
  }

◆ setFilterPassed()

virtual void AthCommonAlgorithm< Gaudi::Algorithm >::setFilterPassed	(	bool	state,
		const EventContext &	ctx ) const

inlinevirtualinherited

Set filter decision:

Definition at line 99 of file AthCommonAlgorithm.h.

                                                                            {
    execState( ctx ).setFilterPassed( state );
  }

◆ sysExecute()

StatusCode AthCommonAlgorithm< Gaudi::Algorithm >::sysExecute ( const EventContext & ctx )

overridevirtualinherited

Execute an algorithm.

We override this in order to work around an issue with the Algorithm base class storing the event context in a member variable that can cause crashes in MT jobs.

Reimplemented in AthAnalysisAlgorithm.

Definition at line 80 of file AthCommonAlgorithm.cxx.

{
  return BaseAlg::sysExecute (ctx);
}

◆ sysInitialize()

StatusCode AthCommonAlgorithm< Gaudi::Algorithm >::sysInitialize ( )

overridevirtualinherited

Override sysInitialize.

Override sysInitialize from the base class.

Loop through all output handles, and if they're WriteCondHandles, automatically register them and this Algorithm with the CondSvc

Scan through all outputHandles, and if they're WriteCondHandles, register them with the CondSvc

Reimplemented from AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >.

Reimplemented in AthAnalysisAlgorithm, AthHistogramAlgorithm, HypoBase, InputMakerBase, and PyAthena::Alg.

Definition at line 60 of file AthCommonAlgorithm.cxx.

                                                      {
  StatusCode sc=AthCommonDataStore<AthCommonMsg<BaseAlg>>::sysInitialize();
 
  if (sc.isFailure()) {
    return sc;
  }
  
  ServiceHandle<ICondSvc> cs("CondSvc",name());
  for (auto h : outputHandles()) {
    if (h->isCondition() && h->mode() == Gaudi::DataHandle::Writer) {
      // do this inside the loop so we don't create the CondSvc until needed
      if ( cs.retrieve().isFailure() ) {
        ATH_MSG_WARNING("no CondSvc found: won't autoreg WriteCondHandles");
        return StatusCode::SUCCESS;
      }      
      if (cs->regHandle(this,*h).isFailure()) {
        sc = StatusCode::FAILURE;
        ATH_MSG_ERROR("unable to register WriteCondHandle " << h->fullKey()
                      << " with CondSvc");
      }
    }
  }
  return sc;  
}

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::sysStart ( )

overridevirtualinherited

Handle START transition.

We override this in order to make sure that conditions handle keys can cache a pointer to the conditions container.

◆ updateVHKA()

void AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::updateVHKA ( Gaudi::Details::PropertyBase & )

inlineinherited

Definition at line 298 of file AthCommonDataStore.h.

                                               {
    for (auto &a : m_vhka) {
      std::vector<SG::VarHandleKey*> keys = a->keys();
      for (auto k : keys) {
        k->setOwner(this);
      }
    }
  }

Member Data Documentation

◆ m_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_detStore

privateinherited

Pointer to StoreGate (detector store by default).

Definition at line 381 of file AthCommonDataStore.h.

◆ m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_evtStore

privateinherited

Pointer to StoreGate (event store by default).

Definition at line 378 of file AthCommonDataStore.h.

◆ m_extendedExtraObjects

DataObjIDColl AthCommonAlgorithm< Gaudi::Algorithm >::m_extendedExtraObjects

privateinherited

Extra output dependency collection, extended by AthAlgorithmDHUpdate to add symlinks.

Empty if no symlinks were found.

Definition at line 108 of file AthCommonAlgorithm.h.

◆ m_inputHandle

CP::SysReadHandle<xAOD::IParticleContainer> CP::SystObjectLinkerAlg::m_inputHandle { this, "input", "", "Container to read" }

private

Setup syst-aware input container handles.

Definition at line 57 of file SystObjectLinkerAlg.h.

57{ this, "input", "", "Container to read" };

◆ m_syst_link_decor

CP::SysWriteDecorHandle<ElementLink<xAOD::IParticleContainer> > CP::SystObjectLinkerAlg::m_syst_link_decor {"systVarLink_%SYS%", this}

private

Setup sys-aware output decorations.

Definition at line 61 of file SystObjectLinkerAlg.h.

61{"systVarLink_%SYS%", this};

◆ m_systematicsList

CP::SysListHandle CP::SystObjectLinkerAlg::m_systematicsList {this}

private

We use default finalize() – this is for cleanup, and we don't do any.

Setup list of systematics on which to iterate

Definition at line 53 of file SystObjectLinkerAlg.h.

53{this};

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_varHandleArraysDeclared

privateinherited

Definition at line 387 of file AthCommonDataStore.h.

◆ m_vhka

std::vector<SG::VarHandleKeyArray*> AthCommonDataStore< AthCommonMsg< Gaudi::Algorithm > >::m_vhka

privateinherited

Definition at line 386 of file AthCommonDataStore.h.

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

Public Member Functions

Protected Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ StoreGateSvc_t

Member Function Documentation

◆ AnaReentrantAlgorithm()

◆ declareGaudiProperty()

◆ declareProperty()

◆ detStore()

◆ evtStore()

◆ execute()

◆ extraDeps_update_handler()

◆ extraOutputDeps()

◆ filterPassed()

◆ finalize()

◆ initialize()

◆ inputHandles()

◆ isClonable()

◆ msg()

◆ msgLvl()

◆ outputHandles()

◆ renounce()

◆ renounceArray()

◆ setFilterPassed()

◆ sysExecute()

◆ sysInitialize()

◆ sysStart()

◆ updateVHKA()

Member Data Documentation

◆ m_detStore

◆ m_evtStore

◆ m_extendedExtraObjects

◆ m_inputHandle

◆ m_syst_link_decor

◆ m_systematicsList

◆ m_varHandleArraysDeclared

◆ m_vhka