DcsRadonLevelFinder.h

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#ifndef DCSRADONLEVELFINDER_H
#define DCSRADONLEVELFINDER_H

#include "Conventions/Detector.h"
#include "DatabaseInterface/DbiResultPtr.h"
#include "DcsUser/Dcs_Radon_Level.h"
#include "Validity/VldContext.h"

class DbiValidityRec;

class DcsRadonLevelFinder
{

public:
// Constructors and destructors.
  DcsRadonLevelFinder();
  DcsRadonLevelFinder(VldTimeStamp start, VldTimeStamp end, Detector::Detector_t detector);
  virtual ~DcsRadonLevelFinder(){ };

  static DcsRadonLevelFinder* Instance();   // Access to the Singleton for general use.

  // Getters - GetRadonLevel may cause new query to be performed so is non-const.

  const  std::vector<const Dcs_Radon_Level*> GetRadonLevelTable() const {return fRadonLevelTable;}
  Float_t GetRadonLevel(VldContext context, Int_t numPoints = 0);
  Float_t GetRadonLevel(VldTimeStamp date, Detector::Detector_t detector, Int_t numPoints = 0);
  Bool_t HasGoodData(VldTimeStamp date, Detector::Detector_t detector) const;

  // Setters
  void NewQuery(VldTimeStamp start, VldTimeStamp end, Detector::Detector_t detector);

private:  

// Data members

  // The singleton version
  static DcsRadonLevelFinder* fgDcsRadonLevelFinder; 

  // Current table of results both as query result and time ordered.
  DbiResultPtr<Dcs_Radon_Level>fQueryResults;   
  std::vector<const Dcs_Radon_Level*> fRadonLevelTable;
  // Detector for current  of table of results
  Detector::Detector_t fDetector;                  

  // true if this is the singleton version, in which case GetRadonLevel may cause new data to be read.
  Bool_t IsGlobalVersion; 

  ClassDef(DcsRadonLevelFinder,0)

};

#endif  // DCSRADONLEVELFINDER_H

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