LauSimFitSlave.hh

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/*
Copyright 2015 University of Warwick

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

/*
Laura++ package authors:
John Back
Paul Harrison
Thomas Latham
*/

#ifndef LAU_SIM_FIT_SLAVE
#define LAU_SIM_FIT_SLAVE

#include "TMatrixDfwd.h"

#include "LauFitObject.hh"

class TMessage;
class TSocket;
class TString;
class LauFitNtuple;


class LauSimFitSlave : public LauFitObject {

        public:
                LauSimFitSlave();

                virtual ~LauSimFitSlave();

                UInt_t nSlaves() const {return nSlaves_;}

                UInt_t slaveId() const {return slaveId_;}


                virtual void runSlave(const TString& dataFileName, const TString& dataTreeName,
                                      const TString& histFileName, const TString& tableFileName = "",
                                      const TString& addressMaster = "localhost", const UInt_t portMaster = 9090);


                virtual void initialise() = 0;


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

                virtual Double_t getTotNegLogLikelihood() = 0;

        protected:
                const LauFitNtuple* fitNtuple() const {return fitNtuple_;}

                LauFitNtuple* fitNtuple() {return fitNtuple_;}


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

                void processMasterRequests();


                virtual void setupResultsOutputs( const TString& histFileName, const TString& tableFileName );


                virtual void prepareInitialParArray( TObjArray& array ) = 0;


                virtual void finaliseExperiment( const LauAbsFitter::FitStatus& fitStat, const TObjArray* parsFromMaster, const TMatrixD* covMat, TObjArray& parsToMaster ) = 0;


                virtual Bool_t verifyFitData(const TString& dataFileName, const TString& dataTreeName) = 0;


                virtual UInt_t readExperimentData() = 0;

                virtual void cacheInputFitVars() = 0;

                virtual void writeOutAllFitResults();

        private:
                LauSimFitSlave(const LauSimFitSlave& rhs);

                LauSimFitSlave& operator=(const LauSimFitSlave& rhs);

                TSocket* sMaster_;

                TMessage* messageFromMaster_;

                UInt_t slaveId_;

                UInt_t nSlaves_;

                Double_t* parValues_;

                LauFitNtuple* fitNtuple_;

                ClassDef(LauSimFitSlave,0);
};

#endif