G4TAtomicHitsCollection.hh

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// $Id: G4TAtomicHitsCollection.hh 93110 2015-11-05 08:37:42Z jmadsen $
//
//
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//
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#ifndef G4TAtomicHitsCollection_h
#define G4TAtomicHitsCollection_h 1

#include "G4VHitsCollection.hh"
#include "G4Allocator.hh"
#include "globals.hh"
#include "G4Threading.hh"
#include "G4AutoLock.hh"
#include "G4atomic.hh"

#include <deque>
#include <type_traits>

// class description:
//
//  This is a template class of hits collection and parametrized by
// The concrete class of G4VHit. This is a uniform collection for
// a particular concrete hit class objects.
//  An intermediate layer class G4HitsCollection appeared in this
// header file is used just for G4Allocator, because G4Allocator
// cannot be instansiated with a template class. Thus G4HitsCollection
// class MUST NOT be directly used by the user.

/*class G4HitsCollection : public G4VHitsCollection
{
  public:
      G4HitsCollection();
      G4HitsCollection(G4String detName,G4String colNam);
      virtual ~G4HitsCollection();
      G4int operator==(const G4HitsCollection &right) const;

  protected:
      void* theCollection;
};*/


template <class T>
class G4TAtomicHitsCollection : public G4VHitsCollection
{
protected:
  static_assert(std::is_fundamental<T>::value,
                "G4TAtomicHitsCollection must use fundamental type");

public:
  typedef T                                 base_type;
  typedef G4atomic<T>                       value_type;
  typedef typename std::deque<value_type*>  container_type;

public:
  G4TAtomicHitsCollection();

public:
  // with description
  G4TAtomicHitsCollection(G4String detName, G4String colNam);

  // constructor.
public:
  virtual ~G4TAtomicHitsCollection();
  G4int operator==(const G4TAtomicHitsCollection<T> &right) const;

  //inline void *operator new(size_t);
  //inline void operator delete(void* anHC);

public: // with description
  virtual void DrawAllHits();
  virtual void PrintAllHits();
  //  These two methods invokes Draw() and Print() methods of all of
  // hit objects stored in this collection, respectively.

public: // with description
  inline value_type* operator[](size_t i) const
  {
    return (*theCollection)[i];
  }
  //  Returns a pointer to a concrete hit object.
  inline container_type* GetVector() const
  {
    return theCollection;
  }
  //  Returns a collection vector.
  inline G4int insert(T* aHit)
  {
    G4AutoLock l(&fMutex);
    theCollection->push_back(aHit);
    return theCollection->size();
  }
  //  Insert a hit object. Total number of hit objects stored in this
  // collection is returned.
  inline G4int entries() const
  {
    G4AutoLock l(&fMutex);
    return theCollection->size();
  }
  //  Returns the number of hit objects stored in this collection

public:
  virtual G4VHit* GetHit(size_t i) const
  {
    return (*theCollection)[i];
  }
  virtual size_t GetSize() const
  {
    G4AutoLock l(&fMutex);
    return theCollection->size();
  }

protected:
  container_type* theCollection;
  G4Mutex         fMutex;

};

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template <class T>
G4TAtomicHitsCollection<T>::G4TAtomicHitsCollection()
  : theCollection(new container_type)
{ }
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template <class T>
G4TAtomicHitsCollection<T>::G4TAtomicHitsCollection(G4String detName,
                                                    G4String colNam)
  : G4VHitsCollection(detName,colNam),
    theCollection(new container_type)
{ }
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template <class T> G4TAtomicHitsCollection<T>::~G4TAtomicHitsCollection()
{
  for(size_t i = 0; i < theCollection->size(); i++)
    delete (*theCollection)[i];
  theCollection->clear();
  delete theCollection;
}
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template <class T>
G4int G4TAtomicHitsCollection<T>
::operator==(const G4TAtomicHitsCollection<T> &right) const
{
    return (collectionName == right.collectionName);
}
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template <class T>
void G4TAtomicHitsCollection<T>::DrawAllHits()
{
  G4AutoLock l(&fMutex);
  for(size_t i = 0; i < theCollection->size(); i++)
    (*theCollection)[i]->Draw();
}
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template <class T>
void G4TAtomicHitsCollection<T>::PrintAllHits()
{
  G4AutoLock l(&fMutex);
  for(size_t i = 0; i < theCollection->size(); i++)
    (*theCollection)[i]->Print();
}
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#endif