An algorithm for the PDF reweighting. More...

#include <PDFReweightAlg.h>

Inheritance diagram for CP::PDFReweightAlg:

Collaboration diagram for CP::PDFReweightAlg:

Public Member Functions
virtual StatusCode	initialize () final
virtual StatusCode	execute (const EventContext &ctx) const final
	AnaReentrantAlgorithm (const std::string &name, ISvcLocator *pSvcLocator)
	constructor with parameters
virtual StatusCode	sysInitialize () override
	Override sysInitialize.
virtual bool	isClonable () const override
	Specify if the algorithm is clonable.
virtual unsigned int	cardinality () const override
	Cardinality (Maximum number of clones that can exist) special value 0 means that algorithm is reentrant.
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
virtual void	setFilterPassed (bool state, const EventContext &ctx) const
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
SG::ReadHandleKey< xAOD::EventInfo >	m_EventInfoKey
SG::ReadHandleKey< xAOD::TruthEventContainer >	m_TruthEventKey
LHAPDF::PDF *	m_p0 =nullptr
std::vector< LHAPDF::PDF * >	m_p1_vars
Gaudi::Property< std::string >	m_inPDF {this, "inPDFName", ""}
Gaudi::Property< std::vector< std::string > >	m_outPDF {this, "outPDFName", {}}
Gaudi::Property< std::string >	m_additionalPdfPath {this, "additionalPdfPath", ""}
std::vector< SG::WriteDecorHandleKey< xAOD::EventInfo > >	m_reweightKeys
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

An algorithm for the PDF reweighting.

Definition at line 29 of file PDFReweightAlg.h.

Member Typedef Documentation

◆ StoreGateSvc_t

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

privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Member Function Documentation

◆ AnaReentrantAlgorithm()

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

constructor with parameters

This matches the Athena algorithm constructor (for dual-use purposes). Within EventLoop the pSvcLocator will always be nullptr (unless we ever have dual-use services).

Guarantee: strong

Failures: out of memory II

Definition at line 67 of file AnaReentrantAlgorithm.cxx.

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

◆ cardinality()

unsigned int AthCommonReentrantAlgorithm< Gaudi::Algorithm >::cardinality ( ) const

overridevirtualinherited

Cardinality (Maximum number of clones that can exist) special value 0 means that algorithm is reentrant.

Override this to return 0 for reentrant algorithms.

Definition at line 75 of file AthCommonReentrantAlgorithm.cxx.

{
  return 0;
}

◆ 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:393

◆ 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:390

◆ execute()

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

finalvirtual

Definition at line 44 of file PDFReweightAlg.cxx.

  {
 
    SG::ReadHandle<xAOD::EventInfo> eventInfo(m_EventInfoKey, ctx);
    ATH_CHECK(eventInfo.isValid());
 
    SG::ReadHandle<xAOD::TruthEventContainer> TruthEventContainer(m_TruthEventKey, ctx);
    ATH_CHECK(TruthEventContainer.isValid());
 
    if(TruthEventContainer->size() != 1){
      ATH_MSG_ERROR("ERROR. Multiple Truth Events Detected");
      return StatusCode::FAILURE;
    }
 
    const xAOD::TruthEvent *truthEvent = TruthEventContainer->at(0);
 
    static const SG::AuxElement::ConstAccessor<int> accPDGID1("PDGID1");
    static const SG::AuxElement::ConstAccessor<int> accPDGID2("PDGID2");
    static const SG::AuxElement::ConstAccessor<float> accX1("X1");
    static const SG::AuxElement::ConstAccessor<float> accX2("X2");
    static const SG::AuxElement::ConstAccessor<float> accQ("Q");
 
    int pdgid1 = accPDGID1(*truthEvent);
    int pdgid2 = accPDGID2(*truthEvent);
    float X1 = accX1(*truthEvent);
    float X2 = accX2(*truthEvent);
    float Q = accQ(*truthEvent);
 
    for (size_t i = 0; i<m_outPDF.size(); ++i) {
 
      float reweight = LHAPDF::weightxxQ(pdgid1, pdgid2, X1, X2, Q,
                        static_cast<const LHAPDF::PDF*>(m_p0),
                        static_cast<const LHAPDF::PDF*>(m_p1_vars[i])); // reweight is the scale factor around 1
 
      SG::WriteDecorHandle<xAOD::EventInfo, float> handle(m_reweightKeys[i], ctx);
      handle(*eventInfo) = reweight;
    }
 
    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 & AthCommonReentrantAlgorithm< 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 94 of file AthCommonReentrantAlgorithm.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 AthCommonReentrantAlgorithm< Gaudi::Algorithm >::filterPassed ( const EventContext & ctx ) const

inlinevirtualinherited

Definition at line 96 of file AthCommonReentrantAlgorithm.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 102 of file AnaReentrantAlgorithm.cxx.

  {
    return StatusCode::SUCCESS;
  }

◆ initialize()

StatusCode CP::PDFReweightAlg::initialize ( )

finalvirtual

Definition at line 18 of file PDFReweightAlg.cxx.

  { 
 
    ATH_CHECK(m_EventInfoKey.initialize());
    ATH_CHECK(m_TruthEventKey.initialize());
 
    m_p0 = LHAPDF::mkPDF(m_inPDF);
    for (const auto& pdfstring : m_outPDF) {
      m_p1_vars.push_back(LHAPDF::mkPDF(pdfstring));
    }
 
    for(auto temp_name : m_outPDF){
      if (auto pos = temp_name.find('/'); pos != std::string::npos)
        temp_name[pos] = '_';
 
      m_reweightKeys.emplace_back(m_EventInfoKey, "PDFReweightSF_"+temp_name);
 
      ATH_CHECK(m_reweightKeys.back().initialize());
    }
 
    if(m_additionalPdfPath != "")
      LHAPDF::pathsAppend(m_additionalPdfPath);
 
    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()

bool AthCommonReentrantAlgorithm< Gaudi::Algorithm >::isClonable ( ) const

overridevirtualinherited

Specify if the algorithm is clonable.

Reentrant algorithms are clonable.

Reimplemented in InDet::GNNSeedingTrackMaker, InDet::SCT_Clusterization, InDet::SiSPGNNTrackMaker, InDet::SiSPSeededTrackFinder, InDet::SiTrackerSpacePointFinder, ITkPixelCablingAlg, ITkStripCablingAlg, RoIBResultToxAOD, SCT_ByteStreamErrorsTestAlg, SCT_CablingCondAlgFromCoraCool, SCT_CablingCondAlgFromText, SCT_ConditionsParameterTestAlg, SCT_ConditionsSummaryTestAlg, SCT_ConfigurationConditionsTestAlg, 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, and Simulation::BeamEffectsAlg.

Definition at line 68 of file AthCommonReentrantAlgorithm.cxx.

{
  // Reentrant algorithms are clonable.
  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 380 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 364 of file AthCommonDataStore.h.

                                                          {
    handlesArray.renounce();
  }

◆ setFilterPassed()

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

inlinevirtualinherited

Definition at line 100 of file AthCommonReentrantAlgorithm.h.

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

◆ sysExecute()

StatusCode AthCommonReentrantAlgorithm< 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.

Definition at line 85 of file AthCommonReentrantAlgorithm.cxx.

{
  return BaseAlg::sysExecute (ctx);
}

◆ sysInitialize()

StatusCode AthCommonReentrantAlgorithm< 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 HypoBase, and InputMakerBase.

Definition at line 61 of file AthCommonReentrantAlgorithm.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 308 of file AthCommonDataStore.h.

                                               {
    // debug() << "updateVHKA for property " << p.name() << " " << p.toString() 
    //         << "  size: " << m_vhka.size() << endmsg;
    for (auto &a : m_vhka) {
      std::vector<SG::VarHandleKey*> keys = a->keys();
      for (auto k : keys) {
        k->setOwner(this);
      }
    }
  }

Member Data Documentation

◆ m_additionalPdfPath

Gaudi::Property<std::string> CP::PDFReweightAlg::m_additionalPdfPath {this, "additionalPdfPath", ""}

private

Definition at line 48 of file PDFReweightAlg.h.

48{this, "additionalPdfPath", ""};

◆ m_detStore

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

privateinherited

Pointer to StoreGate (detector store by default)

Definition at line 393 of file AthCommonDataStore.h.

◆ m_EventInfoKey

SG::ReadHandleKey<xAOD::EventInfo> CP::PDFReweightAlg::m_EventInfoKey

private

Initial value:

{

this, "EventInfoKey", "EventInfo", "EventInfo container to dump"}

Definition at line 38 of file PDFReweightAlg.h.

38 {

39 this, "EventInfoKey", "EventInfo", "EventInfo container to dump"};

◆ m_evtStore

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

privateinherited

Pointer to StoreGate (event store by default)

Definition at line 390 of file AthCommonDataStore.h.

◆ m_extendedExtraObjects

DataObjIDColl AthCommonReentrantAlgorithm< Gaudi::Algorithm >::m_extendedExtraObjects

privateinherited

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

Empty if no symlinks were found.

Definition at line 114 of file AthCommonReentrantAlgorithm.h.

◆ m_inPDF

Gaudi::Property<std::string> CP::PDFReweightAlg::m_inPDF {this, "inPDFName", ""}

private

Definition at line 46 of file PDFReweightAlg.h.

46{this, "inPDFName", ""};

◆ m_outPDF

Gaudi::Property<std::vector<std::string> > CP::PDFReweightAlg::m_outPDF {this, "outPDFName", {}}

private

Definition at line 47 of file PDFReweightAlg.h.

47{this, "outPDFName", {}};

◆ m_p0

LHAPDF::PDF* CP::PDFReweightAlg::m_p0 =nullptr

private

Definition at line 44 of file PDFReweightAlg.h.

◆ m_p1_vars

std::vector<LHAPDF::PDF*> CP::PDFReweightAlg::m_p1_vars

private

Definition at line 45 of file PDFReweightAlg.h.

◆ m_reweightKeys

std::vector<SG::WriteDecorHandleKey<xAOD::EventInfo> > CP::PDFReweightAlg::m_reweightKeys

private

Definition at line 49 of file PDFReweightAlg.h.

◆ m_TruthEventKey

SG::ReadHandleKey<xAOD::TruthEventContainer> CP::PDFReweightAlg::m_TruthEventKey

private

Initial value:

{

this, "TruthEvents", "TruthEvents", "TruthEvent container to read"}

Definition at line 41 of file PDFReweightAlg.h.

41 {

42 this, "TruthEvents", "TruthEvents", "TruthEvent container to read"};

◆ m_varHandleArraysDeclared

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

privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

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

privateinherited

Definition at line 398 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()

◆ cardinality()

◆ 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_additionalPdfPath

◆ m_detStore

◆ m_EventInfoKey

◆ m_evtStore

◆ m_extendedExtraObjects

◆ m_inPDF

◆ m_outPDF

◆ m_p0

◆ m_p1_vars

◆ m_reweightKeys

◆ m_TruthEventKey

◆ m_varHandleArraysDeclared

◆ m_vhka