PFEGamFlowElementAssoc.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
/*
 * PFEGamFlowElementAssoc.h
 * Header file for class PFEGamFlowElementAssoc
 *                                                                                                                                                                                     
 *  Created on: 13.03.19                                                                                                                                                            
 *      Author: J. C. MacDonald & Upgraded by M.T. Anthony                                                                                                                                                      
 */
 
#ifndef PFEGAMFLOWELEMENTASSOC_H
#define PFEGAMFLOWELEMENTASSOC_H
 
#include "AthenaBaseComps/AthAlgorithm.h"
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "GaudiKernel/ToolHandle.h"
#include "StoreGate/DataHandle.h"
 
#include "xAODEgamma/ElectronContainer.h"
#include "xAODEgamma/PhotonContainer.h"
 
#include "StoreGate/WriteDecorHandle.h"
#include "xAODPFlow/FlowElementContainer.h"
class PFEGamFlowElementAssoc : public AthReentrantAlgorithm {
 
public:
  using AthReentrantAlgorithm::AthReentrantAlgorithm;
 
  PFEGamFlowElementAssoc(const std::string& name, ISvcLocator* pSvcLocator);
  
  virtual ~PFEGamFlowElementAssoc();
 
  virtual StatusCode initialize();
  virtual StatusCode execute(const EventContext & ctx) const;
  virtual StatusCode finalize();
  
private:
  //instantiate ReadHandle for the Photon/Electron
  SG::ReadHandleKey<xAOD::ElectronContainer>m_electronReadHandleKey{this,"ElectronContainer","Electrons","ReadHandleKey for ElectronContainer"};
 
  SG::ReadHandleKey<xAOD::PhotonContainer>m_photonReadHandleKey{this,"PhotonContainer","Photons","ReadHandleKey for PhotonContainer"};
 
  //Readhandles for FlowElements.
  SG::ReadHandleKey<xAOD::FlowElementContainer> m_neutralFEReadHandleKey{this,"JetEtMissNeutralFlowElementContainer","JetETMissNeutralParticleFlowObjects","ReadHandleKey for neutral FlowElements"};
  
  SG::ReadHandleKey<xAOD::FlowElementContainer> m_chargedFEReadHandleKey{this,"JetEtMissChargedFlowElementContainer","JetETMissChargedParticleFlowObjects","ReadHandleKey for charged FlowElements"};
 
 
  SG::WriteDecorHandleKey<xAOD::ElectronContainer> m_electronNeutralFEWriteDecorKey{this,"ElectronNeutralFEDecorKey","Electrons.neutralFELinks","Output key for electron link to neutral FE"};
  SG::WriteDecorHandleKey<xAOD::ElectronContainer> m_electronChargedFEWriteDecorKey{this,"ElectronChargedFEDecorKey","Electrons.chargedFELinks","Output key for electron link to charged FE"};
  
  SG::WriteDecorHandleKey<xAOD::FlowElementContainer> m_neutralFEElectronWriteDecorKey{this,"NeutralFEElectronDecorKey","JetETMissNeutralParticleFlowObjects.FE_ElectronLinks","Output key for link from charged FE to electron"};
 
  SG::WriteDecorHandleKey<xAOD::FlowElementContainer> m_chargedFEElectronWriteDecorKey{this,"ChargedFEElectronDecorKey","JetETMissChargedParticleFlowObjects.FE_ElectronLinks","Output key for link from charged FE to electron"};
 
 
  SG::WriteDecorHandleKey<xAOD::PhotonContainer> m_photonNeutralFEWriteDecorKey{this,"PhotonNeutralFEDecorKey","Photons.neutralFELinks","Output key for photon link to neutral FE"};
  SG::WriteDecorHandleKey<xAOD::PhotonContainer> m_photonChargedFEWriteDecorKey{this,"PhotonChargedFEDecorKey","Photons.chargedFELinks","Output key for photon link to charged FE"};
  SG::WriteDecorHandleKey<xAOD::FlowElementContainer> m_neutralFEPhotonWriteDecorKey{this,"NeutralFEPhotonDecorKey","JetETMissNeutralParticleFlowObjects.FE_PhotonLinks","Output key for link from neutral FE to photon"};
  SG::WriteDecorHandleKey<xAOD::FlowElementContainer> m_chargedFEPhotonWriteDecorKey{this,"ChargedFEPhotonDecorKey","JetETMissChargedParticleFlowObjects.FE_PhotonLinks","Output key for link from charged FE to photon"};
  
 
};
 
#endif // PFEGamFlowElementAssoc