DetPedestalRetrievalAlg.h

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#ifndef WEBDBI_DETPEDESTALRETRIEVALALG_H
#define WEBDBI_DETPEDESTALRETRIEVALALG_H

// C/C++ standard libraries
#include <string>
#include <array>

// LArSoft libraries
#include "larevt/CalibrationDBI/IOVData/DetPedestal.h"
#include "larevt/CalibrationDBI/IOVData/Snapshot.h"
#include "larevt/CalibrationDBI/IOVData/IOVDataConstants.h"
#include "larevt/CalibrationDBI/Interface/DetPedestalProvider.h"
#include "larevt/CalibrationDBI/Providers/DatabaseRetrievalAlg.h"

namespace lariov {

  class DetPedestalRetrievalAlg : public DatabaseRetrievalAlg, public DetPedestalProvider {
  
    public:
    
      DetPedestalRetrievalAlg(const std::string& foldername, 
                              const std::string& url, 
                              const std::string& tag="");
        
      DetPedestalRetrievalAlg(fhicl::ParameterSet const& p);
      
      void Reconfigure(fhicl::ParameterSet const& p) override;
      
      bool Update(DBTimeStamp_t ts);
      
      const DetPedestal& Pedestal(DBChannelID_t ch) const;
      float PedMean(DBChannelID_t ch) const override;
      float PedRms(DBChannelID_t ch) const override;
      float PedMeanErr(DBChannelID_t ch) const override;
      float PedRmsErr(DBChannelID_t ch) const override;
           
      //hardcoded information about database folder - useful for debugging cross checks
      static constexpr unsigned int NCOLUMNS = 5;
      static constexpr const char* FIELD_NAMES[NCOLUMNS]
        = {"channel", "mean", "mean_err", "rms", "rms_err"};
      static constexpr const char* FIELD_TYPES[NCOLUMNS]
        = {"unsigned int", "float", "float", "float", "float"};
      
    private:
    
      DataSource::ds fDataSource;
          
      Snapshot<DetPedestal> fData;
  };
}//end namespace lariov

#endif
 // end of doxygen group