TimeCorrectionModule.cxx

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//*-- Author :    Ole Hansen   18-Oct-19
 
//
// HallA::TimeCorrectionModule
//
// Calculates a time correction for the VDC based on a generic formula.
//
 
#include "TimeCorrectionModule.h"
#include "THaAnalyzer.h"
 
using namespace std;
 
namespace Podd {
 
//_____________________________________________________________________________
TimeCorrectionModule::TimeCorrectionModule( const char* name,
                                            const char* description,
                                            Int_t stage )
  : InterStageModule(name, description, stage),
    fGlOffset(0.0), fEvtTime(0.0)
{
  // Constructor
}
 
//_____________________________________________________________________________
TimeCorrectionModule::~TimeCorrectionModule()
{
  // Destructor
 
  RemoveVariables();
}
 
//_____________________________________________________________________________
void TimeCorrectionModule::Clear( Option_t* opt )
{
  InterStageModule::Clear(opt);
  fEvtTime = fGlOffset;
}
 
//_____________________________________________________________________________
Int_t TimeCorrectionModule::DefineVariables( THaAnalysisObject::EMode mode )
{
  // Define/delete event-by-event global variables
 
  Int_t ret = InterStageModule::DefineVariables(mode);// exports fDataValid etc.
  if( ret )
    return ret;
 
  RVarDef vars[] = {
    { "evtime",  "Time offset for event", "fEvtTime" },
    { nullptr }
  };
 
  return DefineVarsFromList( vars, mode );
}
 
//_____________________________________________________________________________
Int_t TimeCorrectionModule::ReadDatabase( const TDatime& date )
{
  // Read this detector's parameters from the database.
 
//  const char* const here = "ReadDatabase";
 
  FILE* file = OpenFile( date );
 
  fGlOffset = 0.0;
  if( !file ) {
    // Missing file OK -- all keys are optional
    fIsInit = true;
    return kOK;
  }
 
  // Read configuration parameters
  fIsInit = false;
  DBRequest config_request[] = {
    { "glob_off", &fGlOffset, kDouble, 0, true },
    { nullptr }
  };
  Int_t err = LoadDB( file, date, config_request );
  fclose(file);
  if( err )
    return err;
 
  fIsInit = true;
  return kOK;
}
 
//_____________________________________________________________________________
 
} // namespace HallA
 
ClassImp(Podd::TimeCorrectionModule)