LauSimFitSlave.hh

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// Copyright University of Warwick 2013 - 2015.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// Authors:
// Thomas Latham
// John Back
// Paul Harrison

#ifndef LAU_SIM_FIT_SLAVE
#define LAU_SIM_FIT_SLAVE

#include "TMatrixDfwd.h"

#include "LauFitObject.hh"

class TMessage;
class TSocket;
class TString;


class LauSimFitSlave {

        public:
                LauSimFitSlave();

                virtual ~LauSimFitSlave();

                UInt_t nSlaves() const {return nSlaves_;}

                UInt_t slaveId() const {return slaveId_;}


                virtual void setParsFromMinuit(Double_t* par, Int_t npar) = 0;

                virtual Double_t getTotNegLogLikelihood() = 0;

        protected:

                void connectToMaster( const TString& addressMaster, const UInt_t portMaster );

                void processMasterRequests();


                virtual void prepareInitialParArray( TObjArray& array ) = 0;


                virtual void finaliseResults( const Int_t fitStat, const Double_t NLL, const TObjArray* parsFromMaster, const TMatrixD* covMat, TObjArray& parsToMaster ) = 0;


                virtual UInt_t readExperimentData( const UInt_t exptIndex ) = 0;

                virtual void cacheInputFitVars() = 0;

                virtual void writeOutAllFitResults() = 0;

        private:
                LauSimFitSlave(const LauSimFitSlave& rhs);

                LauSimFitSlave& operator=(const LauSimFitSlave& rhs);

                TSocket* sMaster_;

                TMessage* messageFromMaster_;

                UInt_t slaveId_;

                UInt_t nSlaves_;

                UInt_t nParams_;

                Double_t* parValues_;

                ClassDef(LauSimFitSlave,0);
};

#endif