RCDBReader.h

#pragma once
 
#include "Object.h"
#include <mutex>
 
#ifdef USE_RCDB
#include <RCDB/Connection.h>
#endif
 
namespace iguana {
 
  class RCDBReader : public Object
  {
 
    public:
 
      RCDBReader(std::string_view name = "rcdb", Logger::Level lev = Logger::DEFAULT_LEVEL);
 
      double GetBeamEnergy(int const runnum);
 
    protected:
 
      std::string const m_default_url = "mysql://rcdb@clasdb.jlab.org/rcdb";
 
    private:
 
      std::string m_url;
      std::once_flag m_error_once;
 
#ifdef USE_RCDB
      std::unique_ptr<rcdb::Connection> m_rcdb_connection;
#endif
 
  };
}