CP::SelectionAccessorReadSys Class Reference

the SelectionAccesor for reading systematically varied decorations More...

#include <SelectionAccessorReadSys.h>

Inheritance diagram for CP::SelectionAccessorReadSys:

Collaboration diagram for CP::SelectionAccessorReadSys:

Public Member Functions
	SelectionAccessorReadSys (const std::string &val_selectionName)
virtual SelectionType	getBits (const SG::AuxElement &element, const CP::SystematicSet *sys) const override
	get the selection decoration
virtual bool	getBool (const SG::AuxElement &element, const CP::SystematicSet *sys) const override
	get the selection decoration
virtual std::string	label () const override
	get the label of the accessor
virtual bool	isBool () const override
	whether this accessor returns a simple boolean
virtual CP::SystematicSet	getInputAffecting (const ISystematicsSvc &svc, const std::string &objectName) const override
	get the systematics when reading from the decoration
virtual StatusCode	fillSystematics (const ISystematicsSvc &svc, const std::vector< CP::SystematicSet > &sysList, ISysObjectHandleBase &objectHandle) override
	fill the systematic variations

Private Attributes
std::unordered_map< CP::SystematicSet, std::tuple< std::string, std::unique_ptr< ISelectionReadAccessor > > >	m_dataCache
	the map of accessor we use
std::string	m_selectionName
	the selectionName for this accessor

Detailed Description

the SelectionAccesor for reading systematically varied decorations

Definition at line 22 of file SelectionAccessorReadSys.h.

Constructor & Destructor Documentation

SelectionAccessorReadSys()

CP::SelectionAccessorReadSys::SelectionAccessorReadSys

(

const std::string &

val_selectionName

)

Definition at line 24 of file SelectionAccessorReadSys.cxx.

    : m_selectionName (val_selectionName)
  {}

Member Function Documentation

fillSystematics()

StatusCode CP::SelectionAccessorReadSys::fillSystematics ( const ISystematicsSvc & svc, const std::vector< CP::SystematicSet > & sysList, ISysObjectHandleBase & objectHandle )

overridevirtual

fill the systematic variations

Implements CP::ISelectionReadAccessor.

Definition at line 90 of file SelectionAccessorReadSys.cxx.

  {
    using namespace msgSelectionHelpers;
 
    std::string baseName = m_selectionName;
    std::string suffix;
    if (auto split = baseName.find (',');
        split != std::string::npos)
    {
      suffix = baseName.substr (split);
      baseName.resize (split);
    }
 
    const CP::SystematicSet affecting
      = svc.getDecorSystematics (objectHandle.getNamePattern(), baseName);
    for (auto& sys : sysList)
    {
      CP::SystematicSet inputSys;
      ANA_CHECK (SystematicSet::filterForAffectingSystematics (sys, affecting, inputSys));
      std::string decorName;
      ANA_CHECK (svc.makeSystematicsName (decorName, baseName, inputSys));
      ANA_MSG_DEBUG ("SysReadDecorHandle: " << decorName << " (" << sys.name() << ")");
      std::unique_ptr<ISelectionReadAccessor> accessor;
      ANA_CHECK (makeSelectionReadAccessor (decorName + suffix, accessor));
      m_dataCache.emplace (sys, std::make_tuple (decorName, std::move (accessor)));
    }
    ANA_CHECK (objectHandle.addDecorationDependency (svc, baseName, false));
    return StatusCode::SUCCESS;
  }

getBits()

SelectionType CP::SelectionAccessorReadSys::getBits ( const SG::AuxElement & element, const CP::SystematicSet * sys ) const

overridevirtual

get the selection decoration

Implements CP::ISelectionReadAccessor.

Definition at line 31 of file SelectionAccessorReadSys.cxx.

  {
    if (sys == nullptr)
      throw std::logic_error ("trying to read systematics accessor without systematic");
    auto iter = m_dataCache.find (*sys);
    if (iter == m_dataCache.end())
      throw std::logic_error ("unknown systematic: " + sys->name());
    return std::get<1>(iter->second)->getBits (element, sys);
  }

getBool()

bool CP::SelectionAccessorReadSys::getBool ( const SG::AuxElement & element, const CP::SystematicSet * sys ) const

overridevirtual

get the selection decoration

Implements CP::ISelectionReadAccessor.

Definition at line 45 of file SelectionAccessorReadSys.cxx.

  {
    if (sys == nullptr)
      throw std::logic_error ("trying to read systematics accessor without systematic");
    auto iter = m_dataCache.find (*sys);
    if (iter == m_dataCache.end())
      throw std::logic_error ("unknown systematic: " + sys->name());
    return std::get<1>(iter->second)->getBool (element, sys);
  }

getInputAffecting()

CP::SystematicSet CP::SelectionAccessorReadSys::getInputAffecting ( const ISystematicsSvc & svc, const std::string & objectName ) const

overridevirtual

get the systematics when reading from the decoration

Implements CP::ISelectionReadAccessor.

Definition at line 77 of file SelectionAccessorReadSys.cxx.

  {
    std::string baseName = m_selectionName;
    if (auto split = baseName.find (',');
        split != std::string::npos)
      baseName.resize (split);
    return svc.getDecorSystematics (objectName, baseName);
  }

isBool()

bool CP::SelectionAccessorReadSys::isBool ( ) const

overridevirtual

whether this accessor returns a simple boolean

Implements CP::ISelectionReadAccessor.

Definition at line 66 of file SelectionAccessorReadSys.cxx.

  {
    for (auto& item : m_dataCache)
      if (!std::get<1>(item.second)->isBool())
        return false;
    return true;
  }

label()

std::string CP::SelectionAccessorReadSys::label ( ) const

overridevirtual

get the label of the accessor

Implements CP::ISelectionReadAccessor.

Definition at line 58 of file SelectionAccessorReadSys.cxx.

  {
    return m_selectionName;
  }

Member Data Documentation

m_dataCache

std::unordered_map<CP::SystematicSet,std::tuple<std::string,std::unique_ptr<ISelectionReadAccessor> > > CP::SelectionAccessorReadSys::m_dataCache

private

the map of accessor we use

Definition at line 65 of file SelectionAccessorReadSys.h.

m_selectionName

std::string CP::SelectionAccessorReadSys::m_selectionName

private

the selectionName for this accessor

Definition at line 69 of file SelectionAccessorReadSys.h.

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

• SelectionAccessorReadSys.h
• SelectionAccessorReadSys.cxx