DataModelAthenaPool::PackedContainerConverter< T, U, ALLOC > Class Template Reference

Converter from std::vector<T,ALLOC> to SG::PackedContainer<U,ALLOC>. More...

Inheritance diagram for DataModelAthenaPool::PackedContainerConverter< T, U, ALLOC >:

Collaboration diagram for DataModelAthenaPool::PackedContainerConverter< T, U, ALLOC >:

Public Member Functions
	PackedContainerConverter (const char *tname, const char *allocName=nullptr)
	Constructor.
virtual void	operator() (TBuffer &b, void *pmember, Int_t size=0)
	Run the streamer.

Private Attributes
TClass *	m_cl
	Hold the source class.

Detailed Description

template<class T, class U = T, class ALLOC = std::allocator<T>>
class DataModelAthenaPool::PackedContainerConverter< T, U, ALLOC >

Converter from std::vector<T,ALLOC> to SG::PackedContainer<U,ALLOC>.

Definition at line 50 of file PackedContainerConverter.cxx.

Constructor & Destructor Documentation

PackedContainerConverter()

template<class T, class U, class ALLOC>

DataModelAthenaPool::PackedContainerConverter< T, U, ALLOC >::PackedContainerConverter	(	const char *	tname,
		const char *	allocName = nullptr )

Constructor.

Parameters

tname	The name of the vector element type T.
allocName	The name of the allocator class, or null to assume std::allocator.

Definition at line 86 of file PackedContainerConverter.cxx.

{
  std::string vname = "vector<";
  vname += tname;
  if (allocName != nullptr) {
    vname += ",";
    vname += allocName;
  }
  if (vname[vname.size()-1] == '>')
    vname += ' ';
  vname += '>';
  m_cl = gROOT->GetClass (vname.c_str());
}

Member Function Documentation

operator()()

template<class T, class U, class ALLOC>

void DataModelAthenaPool::PackedContainerConverter< T, U, ALLOC >::operator() ( TBuffer & b, void * pmember, Int_t size = 0 )

virtual

Run the streamer.

Parameters

b	Buffer from which to read.
pmember	Pointer to the object into which to read.
size	Number of instances to read.

Definition at line 109 of file PackedContainerConverter.cxx.

{
  // This only works for reading!
  assert (b.IsReading());
 
  // The transient object.
  SG::PackedContainer<U, ALLOC>* obj =
    reinterpret_cast<SG::PackedContainer<U, ALLOC>*> (pmember);
 
  // We'll read into this object.
  std::vector<T, ALLOC> tmp;
 
  while (size-- > 0) {
    // Read into tmp and move data to *obj.
    tmp.clear();
    m_cl->Streamer (&tmp, b);
    vectorMove (tmp, *obj);
    ++obj;
  }
}

Member Data Documentation

m_cl

template<class T, class U = T, class ALLOC = std::allocator<T>>

TClass* DataModelAthenaPool::PackedContainerConverter< T, U, ALLOC >::m_cl

private

Hold the source class.

Definition at line 75 of file PackedContainerConverter.cxx.

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The documentation for this class was generated from the following file:

• PackedContainerConverter.cxx