Athena::xAODBranchAddress Class Reference

A simple class to do the retrieve from TEvent. More...

#include <xAODBranchAddress.h>

Inheritance diagram for Athena::xAODBranchAddress:

Collaboration diagram for Athena::xAODBranchAddress:

Public Member Functions
	xAODBranchAddress ()
	Default constructor:
	xAODBranchAddress (const xAODBranchAddress &rhs)
	Copy constructor:
xAODBranchAddress &	operator= (const xAODBranchAddress &rhs)
	Assignment operator:
	xAODBranchAddress (long svc, const CLID &clid, const std::string &p1="", const std::string &p2="", unsigned long ip1=0, unsigned long ip2=0)
	Constructor with parameters:
virtual	~xAODBranchAddress ()
	Destructor:
xAOD::xAODTEvent *	tevent ()
void	setTEventAddress ()

Public Attributes
void *	m_ptr

Detailed Description

A simple class to do the retrieve from TEvent.

Definition at line 29 of file xAODBranchAddress.h.

Constructor & Destructor Documentation

xAODBranchAddress() [1/3]

Athena::xAODBranchAddress::xAODBranchAddress

(

)

Default constructor:

Definition at line 41 of file xAODBranchAddress.cxx.

                                     :
  GenericAddress(),
  m_ptr    ()
{}

xAODBranchAddress() [2/3]

Athena::xAODBranchAddress::xAODBranchAddress

(

const xAODBranchAddress &

rhs

)

Copy constructor:

Definition at line 47 of file xAODBranchAddress.cxx.

                                                                   :
  GenericAddress(rhs),
  m_ptr    (rhs.m_ptr)
{}

xAODBranchAddress() [3/3]

Athena::xAODBranchAddress::xAODBranchAddress	(	long	svc,
		const CLID &	clid,
		const std::string &	p1 = "",
		const std::string &	p2 = "",
		unsigned long	ip1 = 0,
		unsigned long	ip2 = 0 )

Constructor with parameters:

Definition at line 64 of file xAODBranchAddress.cxx.

                                                        :
  GenericAddress(svc, clid, p1, p2, ip1, ip2),
  m_ptr(0) //the actual data object that is retrieved
{
  // std::cerr << "::RBA::+RBA... (this=" << this << ") br=["
  //           << this->par()[1] << "]\n";
}

~xAODBranchAddress()

Athena::xAODBranchAddress::~xAODBranchAddress ( )

virtual

Destructor:

Definition at line 78 of file xAODBranchAddress.cxx.

{
  // std::cerr << "::RBA::~RBA... (this=" << this << ") br=["
  //           << this->par()[1] << "]\n";
}

Member Function Documentation

operator=()

xAODBranchAddress & Athena::xAODBranchAddress::operator=

(

const xAODBranchAddress &

rhs

)

Assignment operator:

Definition at line 54 of file xAODBranchAddress.cxx.

{
  if (this != &rhs) {
    GenericAddress::operator=(rhs);
    m_ptr    = rhs.m_ptr;
  }
  return *this;
}

setTEventAddress()

void Athena::xAODBranchAddress::setTEventAddress

(

)

Definition at line 93 of file xAODBranchAddress.cxx.

{
 
  //std::cout << "xAODBranchAddress::setTEvent ..." << std::endl;
 
 
 
  const std::string& br_name = this->par()[1];
  xAOD::xAODTEvent* tevent = this->tevent();
  //xAOD::TEvent* tevent = this->tevent();
  //std::cout << "xAODBranchAddress::setTEventAddress  br_name=" << br_name << std::endl;
  //std::cout << "xAODBranchAddress::setTEventAddress  tevent=" << tevent << " entries = " << tevent->getEntries() << std::endl;
  //std::cout << "xAODBranchAddress::setTEventAddress  tlID()=" << this->clID() << std::endl;
 
  const std::type_info* ti = CLIDRegistry::CLIDToTypeinfo(this->clID());
  //std::cout << "xAODBranchAddress::setTEventAddress ti=" << ti << std::endl;
 
  //  void* addr = *(char**)&tevent;
 
 
  //we use the ipar()[1] to flag if we retrieve main event info (0) or metadata (1) (see xAODEventSelector where it creates BranchAddress)
  switch( (this->ipar()[1]) ) {
  case 0:
    {//reading event level info
      tevent->setActive(); //ensure we are active tevent
      static constexpr bool SILENT = false;
      static constexpr bool METADATA = false;
      void* addr ATLAS_THREAD_SAFE = const_cast<void*>(tevent->getInputObject(br_name, *ti, SILENT, METADATA));
      m_ptr = addr;
    }
    break;
  case 1:
    {//reading metadata
      //FIXME: NEEED TO ACCESS METADATA
      //std::cout << "xAODBranchAddress::setTEventAddress metadata " << br_name << std::endl;
      tevent->setActive(); //ensure we are active tevent
      static constexpr bool SILENT = false;
      static constexpr bool METADATA = true;
      void* addr ATLAS_THREAD_SAFE = const_cast<void*>(tevent->getInputObject(br_name, *ti, SILENT, METADATA));
      m_ptr = addr;
    }
    break;
  }
 
  //std::cout << "xAODBranchAddress::setTEventAddress m_ptr=" << m_ptr << std::endl;
 
 
}

tevent()

xAOD::xAODTEvent * Athena::xAODBranchAddress::tevent

(

)

Definition at line 86 of file xAODBranchAddress.cxx.

{
  //std::cout << "xAODBranchAddress::tevent ..." << std::endl;
  return reinterpret_cast<xAOD::xAODTEvent*>(reinterpret_cast<unsigned long*>(this->ipar()[0]));
}

Member Data Documentation

m_ptr

void* Athena::xAODBranchAddress::m_ptr

Definition at line 65 of file xAODBranchAddress.h.

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

• xAODBranchAddress.h
• xAODBranchAddress.cxx