xAODWriterAlg.h

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// Dear emacs, this is -*- c++ -*-
//
// Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
//
#ifndef STANDALONEANALYSISALGORITHMS_XAODWRITERALG_H
#define STANDALONEANALYSISALGORITHMS_XAODWRITERALG_H
 
// System include(s):
#include <string>
#include <vector>
#include <typeinfo>
 
// Core include(s):
#include "AnaAlgorithm/AnaAlgorithm.h"
#include "SystematicsHandles/SysListHandle.h"
#include "xAODRootAccess/TEvent.h"
#include <AsgTools/PropertyWrapper.h>
 
namespace CP {

   class xAODWriterAlg final : public EL::AnaAlgorithm {
 
   public:
     using EL::AnaAlgorithm::AnaAlgorithm;


      StatusCode initialize() override;

      StatusCode execute() override;

      StatusCode finalize() override;

 
   private:
      StatusCode setup();


     Gaudi::Property<std::string> m_outputStreamName {this, "OutputStreamName", "ANALYSIS", "Stream name of the output file to use"};
     Gaudi::Property<std::vector<std::string>> m_itemList {this, "ItemList", {}, "Objects to write to the output file"};
     Gaudi::Property<int> m_basketSize {this, "BasketSize", 32000, "(Starter) Basket size for the created branches"};
     Gaudi::Property<int> m_splitLevel {this, "SplitLevel", 0, "Split level for the created branches"};


      struct Item {
         std::string name;
         const std::type_info* type;
         std::string typeName;
      }; // struct Item

      xAOD::TEvent m_event;

      bool m_itemListInitialized = false;
      std::vector< Item > m_writtenItemList;

      SysListHandle m_systematicsList{ this };
 
   }; // class xAODWriterAlg
 
} // namespace CP
 
#endif // STANDALONEANALYSISALGORITHMS_XAODWRITERALG_H