ParticleRemoverAlg.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef EVENTUTILS_PARTICLEREMOVERALG_H
#define EVENTUTILS_PARTICLEREMOVERALG_H 1
 
#include "AthenaBaseComps/AthAlgorithm.h"
 
#include "xAODBase/IParticleContainer.h"
 
 
 
class ParticleRemoverAlg: public ::AthAlgorithm {
 public:
  ParticleRemoverAlg( const std::string& name, ISvcLocator* pSvcLocator );

  virtual ~ParticleRemoverAlg();

  virtual StatusCode  initialize();

  virtual StatusCode  execute();

  virtual StatusCode  finalize();
 
 private:
   template<class CONT>
   StatusCode removeParticles( const std::vector<bool>& keepParticleVec,
                               const EventContext& ctx );
 
 private:


  Gaudi::Property<std::string> m_inCont{this, "Input", "", "Input container name"};

  Gaudi::Property<std::string> m_separator{this, "Separator", "___", "The string separator between the output container name and the sytematic variation"};

  Gaudi::Property<std::string> m_outCont{this, "Output", "", "The name of the output container with the deep copy of input objects"};

  Gaudi::Property<std::vector<std::string>> m_suffixes{this, "Suffixes", {}, "The names of all suffixes for the input and output container names"};

  Gaudi::Property<std::vector<std::string>> m_viewContNames{this, "SelectedViewContainers", {}, "The names of all view containers that contain particles that we want to retain"};

  Gaudi::Property<bool> m_resetViewConts{this, "RemapViewContainers", true, "Boolean to decide if the existing view containers should be re-mapped"};

  Gaudi::Property<std::string> m_outPrefix{this, "OutputViewContainerPrefix", "", "Prefix to be used for all created output view containers"};

 


  std::vector<std::string> m_inContNameList;

  std::vector<std::string> m_outContNameList;

  std::vector< const xAOD::IParticleContainer* > m_inContList;

  std::vector< xAOD::IParticleContainer* > m_outContList;

  std::vector< std::vector<std::string> > m_inViewContNameListList;

  std::vector< std::vector<std::string> > m_outViewContNameListList;
 

  enum contType_t {
    UNKNOWN,
    PHOTON,
    ELECTRON,
    MUON,
    TAU,
    JET,
    PARITCLEFLOW,
    NEUTRALPARTICLE,
    TRACKPARTICLE,
    TRUTHPARTICLE,
    COMPOSITEPARTICLE,
    PARTICLE,
    CALOCLUSTER
  };

  contType_t m_contType{UNKNOWN};

 
};
 
// Include the templated code here. This must be done from this header file.
#include "ParticleRemoverAlg.icc"
 
#endif //> !EVENTUTILS_PARTICLEREMOVERALG_H