TDataContainer.cxx

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#include "TDataContainer.hxx"
 
#include <exception>
 
 
TDataContainer::TDataContainer(const TDataContainer &dataContainer){
 
  fMidasEventPointer = new TMidasEvent(dataContainer.GetMidasData());
  fOwnMidasEventMemory = true;
 
}
 
TDataContainer::~TDataContainer(){
 
  if(fOwnMidasEventMemory)
    delete fMidasEventPointer;
 
  for(unsigned int i = 0; i < fEventDataList.size(); i++){
    delete fEventDataList[i];
  }
 
}
 
 
// Define exception for reset the pointer to MidasEvent when we still own the pointer for
// the previous one.
class TDataContainerBadPointerReset : public std::exception
{
  virtual const char* what() const throw(){
    return "TDataContainer Exception: trying to reset MidasEventPointer without deleting old memory";
  }  
};
 
// Define exception for trying to access MidasEvent when it doesn't exist.
class TDataContainerNoValidMidasEvent : public std::exception
{
  virtual const char* what() const throw(){
    return "TDataContainer Exception: physics event does not have a valid midas event pointer";
  }  
};
 
 
void TDataContainer::CleanupEvent(){
 
  for(unsigned int i = 0; i < fEventDataList.size(); i++){
    delete fEventDataList[i];
  }
  fEventDataList.clear();
}
 
 
void TDataContainer::SetMidasEventPointer(TMidasEvent& event){
 
  // If the MidasPointer is still valid and we own the memory associated with it,
  // then we shouldn't be reseting the fMidasEventPointer.
  if(fOwnMidasEventMemory && fMidasEventPointer){
    throw TDataContainerBadPointerReset();
  }
 
  fMidasEventPointer = &event; // ugly!
  fOwnMidasEventMemory = false;
 
}
 
 
TMidasEvent& TDataContainer::GetMidasData() const{
 
  // Make sure that point is valid.
  if(fMidasEventPointer==0){
    throw TDataContainerNoValidMidasEvent();
  }
 
  return *fMidasEventPointer;
 
}