RooEffConvGenContext.h

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#ifndef ROO_EFF_CONV_GEN_CONTEXT
#define ROO_EFF_CONV_GEN_CONTEXT

// use C preprocessor to smuggle in a friend class into RooAbsGenContext
//
// *** this is an ugly hack but seems to work well enough for now, and is
// *** better than hacking the header files that come with ROOT for now...
#define RooEffGenContext RooEffGenContext; friend class RooEffConvGenContext
#include <RooConvGenContext.h>
#undef RooEffGenContext

class RooAbsAnaConvPdf;
class RooDataSet;
class RooAbsReal;
class RooArgSet;

class RooEffConvGenContext : public RooConvGenContext {
public:
   RooEffConvGenContext(const RooFFTConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
                        const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
   RooEffConvGenContext(const RooNumConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
                        const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
   RooEffConvGenContext(const RooAbsAnaConvPdf &model, const RooArgSet &vars, const RooDataSet *prototype= 0,
                        const RooArgSet* auxProto=0, Bool_t _verbose= kFALSE);
   virtual ~RooEffConvGenContext();

   virtual void attach(const RooArgSet& params);

protected:

   // attach and initGenerator do the same thing
   virtual void initGenerator(const RooArgSet& theEvent);
   virtual void generateEvent(RooArgSet &theEvent, Int_t remaining);

   RooEffConvGenContext(const RooEffConvGenContext& other) ;

private:

   void initEfficiency();
   const RooAbsReal* efficiency();

   double _maxEff;

   //ClassDef(RooEffConvGenContext,0) // Context for generating a dataset from a PDF
};

#endif