L1PrescaleCondAlg.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/ 
 
#ifndef TRIGCONFIGSVC__L1PRESCALECONDALG
#define TRIGCONFIGSVC__L1PRESCALECONDALG
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "CxxUtils/checker_macros.h"
 
#include "StoreGate/ReadCondHandleKey.h"
#include "StoreGate/WriteCondHandleKey.h"
#include "TrigConfData/L1PrescalesSet.h"
 
#include "AthenaPoolUtilities/AthenaAttributeList.h"
 
#include <tbb/concurrent_unordered_map.h>
 
#include <memory>
 
namespace TrigConf {
 
   class L1PrescaleCondAlg : public AthReentrantAlgorithm {
   public:
      L1PrescaleCondAlg(const std::string& name, ISvcLocator* pSvcLocator);
      virtual ~L1PrescaleCondAlg() override = default;
 
      virtual StatusCode initialize() override;
      virtual StatusCode execute(const EventContext& ctx) const override;
 
      // avoids running CondAlg multiple times for the same input (ATEAM-617)
      virtual bool isReEntrant() const override final { return false; }
 
   private:
      
      // helper function to load a L1 prescales set from a file
      std::shared_ptr<L1PrescalesSet> createFromFile( const std::string & filename ) const;
 
      // helper function to load a L1 prescales set from a prescale key
      std::shared_ptr<L1PrescalesSet> createFromDB( unsigned int psk, bool isRun3 ) const;
 
      // map the prescale key to a L1PrescalesSet
      mutable tbb::concurrent_unordered_map<unsigned int, std::shared_ptr<const L1PrescalesSet>> m_pssMap ATLAS_THREAD_SAFE;
 
      // input key to the L1 Prescale Key folder
      SG::ReadCondHandleKey<AthenaAttributeList> m_pskFolderInputKey{ this, "PSKFolder", "/TRIGGER/LVL1/Lvl1ConfigKey", "SG Key of AthenaAttributeList containing l1 psk"};
 
      // output key to store the L1PrescalesSet
      SG::WriteCondHandleKey<TrigConf::L1PrescalesSet> m_l1PrescalesSetOutputKey{ this, "L1Prescales", "L1Prescales", "L1 prescales"};
 
      // properties
      Gaudi::Property< std::string > m_configSource { this, "Source", "FILE", "Configuration source, can be 'FILE', 'DB', or 'COOL'" };
      Gaudi::Property< std::string > m_dbConnection { this, "TriggerDB", "", "DB connection alias or 'JOSVC', used when property Source set to 'DB' or set to 'COOL'." };
      Gaudi::Property< unsigned int > m_psk { this, "L1Psk", 0, "L1 prescale key, used when property 'Source' set to 'DB' or 'FILE'" };
      Gaudi::Property< std::string > m_filename { this, "Filename", "", "L1 prescale json file, used when property 'Source' set to 'FILE'" };
 
   };
 
}
#endif