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// Dear emacs, this is -*- c++ -*-
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#ifndef BaseHists_H
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#define BaseHists_H
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// STL include(s):
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#include <map>
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#include <string>
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// ROOT include(s):
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#include <TObject.h>
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#include <TString.h>
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#include <TList.h>
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// Local include(s):
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//#include "include/ISCycleBaseHist.h"
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#include "include/SCycleBase.h"
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//#include "include/SCycleBaseBase.h"
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#include "include/SError.h"
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// Forward declaration(s):
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class TDirectory;
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class TH1;
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class TList;
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/**
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* Base Class for the histogramming functionality
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*
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* Class which books and fills histograms. This class is a base
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* class, all histogramming classes should inherit from it.
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* The booking and naming of the histograms is taken care of
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* through this class. Any derived class has to overwrite the
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* Init, Fill and Finish methods.
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* The derived objects have to be initialised in each
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* SCycleBase::BeginInputData(...)
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*
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* @version $Revision: 1.1 $
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*/
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class BaseHists : public SCycleBase {
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public:
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/// Named constructor
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BaseHists(const char* name);
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/// Default destructor
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~BaseHists();
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virtual void Init() = 0;
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virtual void Fill() = 0;
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virtual void Finish() = 0;
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double* MakeLogBinning(int n_bins, double xmin, double xmax);
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TString GetName() {return m_name;}
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void SetName(TString name) {m_name = name;}
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// class has to inherit from SCycleBase to have access to histogram functionality in SFrame
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// implement virtual routines but throw exception in case they are called
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void BeginCycle()throw( SError ) { m_logger << ERROR << "This should not happen: BeginCycle called for BaseHist class" << SLogger::endmsg; } ;
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void EndCycle()throw( SError ){ m_logger << ERROR << "This should not happen: EndCycle called for BaseHist class" << SLogger::endmsg; } ;
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void BeginInputData(const SInputData&)throw( SError ){ m_logger << ERROR << "This should not happen: BeginInputData called for BaseHist class" << SLogger::endmsg; } ;
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void EndInputData(const SInputData&)throw( SError ){ m_logger << ERROR << "This should not happen: EndInputData called for BaseHist class" << SLogger::endmsg; } ;
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void BeginInputFile(const SInputData&)throw( SError ){ m_logger << ERROR << "This should not happen: BeginInputFile called for BaseHist class" << SLogger::endmsg; } ;
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void ExecuteEvent(const SInputData&, Double_t)throw( SError ){ m_logger << ERROR << "This should not happen: ExecuteEvent called for BaseHist class" << SLogger::endmsg; } ;
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protected:
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/// Function placing a ROOT object in the output file
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template< class T > T* Book( const T& histo ) throw( SError );
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/// Function searching for a ROOT object in the output file
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template< class T > T* Retrieve( const char* name ) throw( SError );
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/// Function for persistifying a ROOT object to the output
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void WriteObj( const TObject& obj ) throw( SError );
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/// Function searching for 1-dimensional histograms in the output file
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TH1* Hist( const char* name );
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private:
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// private constructor, use the named one
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BaseHists(){}
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TString m_name;
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}; // class BaseHists
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// Don't include the templated function(s) when we're generating
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// a dictionary:
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#ifndef __CINT__
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#include "BaseHists.icc"
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#endif
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#endif // BaseHists_H
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