QReaderEventGeneratorFiller.cc

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#include "QReaderEventGeneratorFiller.hh"
#include "QReader.hh"
#include "QReaderEventGeneratorFactory.hh"
#include "QReaderEventGenerator.hh"
#include "QEventAssembler.hh"
 
Q_BEGIN_NAMESPACE
 
QReaderEventGeneratorFiller::QReaderEventGeneratorFiller(QReader* reader)
{
    fReader = reader;
    fReaderEventGenerator  = 0;
}
 
void QReaderEventGeneratorFiller::Init(QEventAssembler &eva)
{
    std::string rnname  = fReader->GetString("GeneratorAlgorithm","");
    fReaderEventGenerator = QReaderEventGeneratorFactory(rnname);
    if(!fReaderEventGenerator) fReader->Panic("GeneratorAlgorithm %s not known",rnname.c_str());
    fReaderEventGenerator->InitBase(*fReader,eva);
    fEventList.Clear();
    fEndOfEvents = false;
 
}
 
QReaderEventGeneratorFiller::~QReaderEventGeneratorFiller()
{
    if(fReaderEventGenerator) delete fReaderEventGenerator;
}
 
bool QReaderEventGeneratorFiller::Do(QEventAssembler& eva)
{
   StartProcessCall();
   fEventList.Pop();
   if(fEventList.Empty() && !fEndOfEvents ) {
        if( fReader->Do(eva) ) {
           fReaderEventGenerator->FillList(eva.GetEvent(),fEventList); 
           if(fEventList.Empty()) 
               fReader->Panic("QReaderEventGeneratorFiller: Event List is empty");
        } else {
            fEndOfEvents = true;
        }
   } 
 
   if(fEndOfEvents) {
        return false;
   }
   eva.Assign(fEventList[0].GetEvent());
   EndProcessCall();
   return true;
}
 
Q_END_NAMESPACE