A simple class to do the retrieve from TEvent or REvent. 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 ()=default
	Destructor:
xAOD::Event *	event ()
void	setEventAddress ()

Public Attributes
void *	m_ptr = nullptr

Detailed Description

A simple class to do the retrieve from TEvent or REvent.

Definition at line 27 of file xAODBranchAddress.h.

Constructor & Destructor Documentation

◆ xAODBranchAddress() [1/3]

Athena::xAODBranchAddress::xAODBranchAddress ( )

Default constructor:

Definition at line 31 of file xAODBranchAddress.cxx.

                                     :
  GenericAddress(),
  m_ptr    ()
{}

◆ xAODBranchAddress() [2/3]

Athena::xAODBranchAddress::xAODBranchAddress ( const xAODBranchAddress & rhs )

Copy constructor:

Definition at line 37 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 54 of file xAODBranchAddress.cxx.

                                                        :
  GenericAddress(svc, clid, p1, p2, ip1, ip2)
{
}

◆ ~xAODBranchAddress()

virtual Athena::xAODBranchAddress::~xAODBranchAddress ( )

virtualdefault

Destructor:

Member Function Documentation

◆ event()

xAOD::Event * Athena::xAODBranchAddress::event ( )

Definition at line 66 of file xAODBranchAddress.cxx.

{
  return reinterpret_cast<xAOD::Event*>(reinterpret_cast<unsigned long*>(this->ipar()[0]));
}

◆ operator=()

xAODBranchAddress & Athena::xAODBranchAddress::operator= ( const xAODBranchAddress & rhs )

Assignment operator:

Definition at line 44 of file xAODBranchAddress.cxx.

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

◆ setEventAddress()

void Athena::xAODBranchAddress::setEventAddress ( )

Definition at line 72 of file xAODBranchAddress.cxx.

{
  const std::string& br_name = this->par()[1];
  const std::type_info* ti = CLIDRegistry::CLIDToTypeinfo(this->clID());
  xAOD::Event* event = this->event();
  event->setActive(); // ensure we are active event
 
  // 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
      static constexpr bool SILENT = false;
      static constexpr bool METADATA = false;
      void* addr ATLAS_THREAD_SAFE = const_cast<void*>(xAOD::getInputObject(*event, br_name, *ti, SILENT, METADATA));
      m_ptr = addr;
    }
    break;
  case 1:
    { // reading metadata
      // FIXME: NEEED TO ACCESS METADATA
      event->setActive(); //ensure we are active event
      static constexpr bool SILENT = false;
      static constexpr bool METADATA = true;
      void* addr ATLAS_THREAD_SAFE = const_cast<void*>(xAOD::getInputObject(*event, br_name, *ti, SILENT, METADATA));
      m_ptr = addr;
    }
    break;
  }
}

Member Data Documentation

◆ m_ptr

void* Athena::xAODBranchAddress::m_ptr = nullptr

Definition at line 60 of file xAODBranchAddress.h.

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

Public Member Functions

Public Attributes