TruthCollectionMakerTau.cxx

Go to the documentation of this file.

/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

// TruthCollectionMakerTau.cxx
// Create truth tau collection decorated with tau decay specific variables
 
// Class header file
#include "DerivationFrameworkMCTruth/TruthCollectionMakerTau.h"
 
// Tool header file
// for TruthTausEvent
#include "TauAnalysisTools/BuildTruthTaus.h"
 
// Athena initialize and finalize
StatusCode DerivationFramework::TruthCollectionMakerTau::initialize()
{
  ATH_MSG_VERBOSE("initialize() ...");
 
  ATH_CHECK( m_buildTruthTaus.retrieve() );
 
  return StatusCode::SUCCESS;
}
 
// Selection and collection creation
StatusCode DerivationFramework::TruthCollectionMakerTau::addBranches(const EventContext& ctx) const
{
  ATH_MSG_VERBOSE("addBranches() ...");
 
  // One call to build the truth tau collection
  TauAnalysisTools::BuildTruthTaus::TruthTausEvent truthTausEvent;
  ATH_CHECK( m_buildTruthTaus->retrieveTruthTaus( truthTausEvent, ctx ) );
 
  return StatusCode::SUCCESS;
}