DerivationFramework::SkimmingToolExample Class Reference

the code used in this implementation is kindly stolen from: atlasoff:: ISF/ISF_Core/ISF_Tools More...

#include <SkimmingToolExample.h>

Inheritance diagram for DerivationFramework::SkimmingToolExample:

Collaboration diagram for DerivationFramework::SkimmingToolExample:

Public Member Functions
virtual StatusCode	initialize () override
	Athena algtool's Hooks.
virtual StatusCode	finalize () override
virtual bool	eventPassesFilter (const EventContext &ctx) const override
	Check that the current event passes this filter.

Private Attributes
SG::ReadHandleKey< xAOD::MuonContainer >	m_muonSGKey {this, "MuonContainerKey", "Muons", "Key for muon container"}
Gaudi::Property< unsigned int >	m_nMuons {this, "NumberOfMuons", 2, "Minimum number of muons"}
Gaudi::Property< double >	m_muonPtCut {this, "MuonPtCut", 10000.0, "p_T cut on muon in MeV"}
std::atomic< unsigned int >	m_ntot {0}
std::atomic< unsigned int >	m_npass {0}

Detailed Description

the code used in this implementation is kindly stolen from: atlasoff:: ISF/ISF_Core/ISF_Tools

Author

James Catmore -at- cern.ch

Definition at line 31 of file SkimmingToolExample.h.

Member Function Documentation

eventPassesFilter()

bool DerivationFramework::SkimmingToolExample::eventPassesFilter ( const EventContext & ctx ) const

overridevirtual

Check that the current event passes this filter.

Definition at line 34 of file SkimmingToolExample.cxx.

{
  ++m_ntot;
 
  // Retrieve muon container
  SG::ReadHandle<xAOD::MuonContainer> muons(m_muonSGKey, ctx);
  if (!muons.isValid()) {
    ATH_MSG_FATAL("No muon collection with name " << m_muonSGKey.key() << " found in StoreGate!");
    return false;
  }
     
  // Loop over muons, count up and set decision
  unsigned int nGoodMu{0};
  for (const xAOD::Muon* muon : *muons) {
    if ( muon->muonType() == xAOD::Muon::MuonType::Combined && muon->pt() > m_muonPtCut ) ++nGoodMu;
  }
  bool acceptEvent{false};
  if (nGoodMu >= m_nMuons) {
    acceptEvent = true;
    ++m_npass;
  }
  return acceptEvent;
 
}  

finalize()

StatusCode DerivationFramework::SkimmingToolExample::finalize ( )

overridevirtual

Definition at line 26 of file SkimmingToolExample.cxx.

{
  ATH_MSG_INFO("Processed "<< m_ntot <<" events, "<< m_npass<<" events passed filter ");
  return StatusCode::SUCCESS;
}

initialize()

StatusCode DerivationFramework::SkimmingToolExample::initialize ( )

overridevirtual

Athena algtool's Hooks.

Definition at line 19 of file SkimmingToolExample.cxx.

{
  ATH_CHECK(m_muonSGKey.initialize());
  return StatusCode::SUCCESS;
}

Member Data Documentation

m_muonPtCut

Gaudi::Property<double> DerivationFramework::SkimmingToolExample::m_muonPtCut {this, "MuonPtCut", 10000.0, "p_T cut on muon in MeV"}

private

Definition at line 51 of file SkimmingToolExample.h.

{this, "MuonPtCut", 10000.0, "p_T cut on muon in MeV"};

m_muonSGKey

SG::ReadHandleKey<xAOD::MuonContainer> DerivationFramework::SkimmingToolExample::m_muonSGKey {this, "MuonContainerKey", "Muons", "Key for muon container"}

private

Definition at line 45 of file SkimmingToolExample.h.

{this, "MuonContainerKey", "Muons", "Key for muon container"};

m_nMuons

Gaudi::Property<unsigned int> DerivationFramework::SkimmingToolExample::m_nMuons {this, "NumberOfMuons", 2, "Minimum number of muons"}

private

Definition at line 48 of file SkimmingToolExample.h.

{this, "NumberOfMuons", 2, "Minimum number of muons"};

m_npass

std::atomic<unsigned int> DerivationFramework::SkimmingToolExample::m_npass {0}

mutableprivate

Definition at line 55 of file SkimmingToolExample.h.

{0};

m_ntot

std::atomic<unsigned int> DerivationFramework::SkimmingToolExample::m_ntot {0}

mutableprivate

Definition at line 54 of file SkimmingToolExample.h.

{0};

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

• SkimmingToolExample.h
• SkimmingToolExample.cxx