BCRooInterface.h

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#ifndef __BCROOINTERFACE__H
#define __BCROOINTERFACE__H

#include <BAT/BCModel.h>

class RooAbsReal;
class RooAbsData;
class RooAbsPdf;
class RooArgSet;
class RooArgList;

/* ---------------------------------------------------------
 * interface allowing to run BAT on a problem/data defined in a
 * standard RooFit workspace format
 * --------------------------------------------------------- */

class BCRooInterface : public BCModel
{

   public:

      // Constructors and destructor
      BCRooInterface( );

      BCRooInterface( const char* name );

      ~BCRooInterface();

      // Overloaded methods
      void DefineParameters();
      double LogAPrioriProbability(std::vector <double> parameters);
      double LogLikelihood(std::vector <double> parameters);

      // Other method of this class
      void Initialize( RooAbsData& data,
             RooAbsPdf& model,
             RooAbsPdf& prior,
             const RooArgSet* params,
             const RooArgSet& listPOI );

      void Initialize( const char* rootFile,
            const char* wsName = "batWS",
            const char* dataName = "data",
            const char* modelName = "model",
            const char* priorName = "priorPOI",
            const char* priorNuisanceName= "priorNuisance",
            const char* paramsName = "parameters",
            const char* listPOIName = "POI" );

   private:

      RooAbsData* fData;        // data to test
      RooAbsPdf*  fModel;       // likelihood model describing the observables
      RooAbsReal*  fNll;         // pointer to negative log-likelihood function
      RooArgSet*  fObservables; // list of observables measured for each event
      RooArgList* fParams;      // list of parameters of interest
      RooAbsPdf*  fPrior;       // function describing the prior probability of the parameters

};

#endif