MuonVal::PtEtaPhiEBranch Class Reference

Helper class to store the four-momentum in a TTree using the Pt, Eta, Phi, E representation. More...

#include <FourVectorBranch.h>

Inheritance diagram for MuonVal::PtEtaPhiEBranch:

Collaboration diagram for MuonVal::PtEtaPhiEBranch:

Public Types
using	DataDependency = SG::VarHandleKey*

Public Member Functions
	PtEtaPhiEBranch (MuonTesterTree &tree, const std::string &vec_name)
void	push_back (const TLorentzVector &vec)
void	operator+= (const TLorentzVector &vec)
void	set (const TLorentzVector &vec, size_t pos)
void	push_back (const HepMC::FourVector &vec)
void	operator+= (const HepMC::FourVector &vec)
void	set (const HepMC::FourVector &vec, size_t pos)
void	push_back (const float pt, const float eta, const float phi, const float e)
void	set (const float pt, const float eta, const float phi, const float e, size_t pos)
size_t	size () const
bool	fill (const EventContext &) override final
	The fill method checks if enough information is provided such that the branch is cleared from the information of the prevoius event and in cases of that updates did no happen befure a default value is provided.
bool	init () override final
	The init method checks whether the branch name has already registered to the MuonTree and tries then to add the branch to the tree --> return false if the branch has already been defined or the inclusion of the branch to the tree failed or the name of the branch is empty.
std::string	name () const override final
	Returns the name of the branch.
bool	initialized () const
	Returns whether the object has been initialized or not The outcome of the variable is bound to a successful call of the addToTree method.
TTree *	tree () override final
	Returns the underlying TTree object.
const TTree *	tree () const override final
std::vector< DataDependency >	data_dependencies () override final
	Returns the data dependencies needed by the MuonTesterBranch.
bool	msgLvl (const MSG::Level lvl) const
	Test the output level.
MsgStream &	msg () const
	The standard message stream.
MsgStream &	msg (const MSG::Level lvl) const
	The standard message stream.
void	setLevel (MSG::Level lvl)
	Change the current logging level.

Static Public Member Functions
static std::string	eraseWhiteSpaces (const std::string &In)

Protected Member Functions
template<class T>
bool	addToTree (T &variable)
	Connects the Memory buffer with the TTree.
template<class Key>
bool	declare_dependency (Key &key)
	Declares the ReadHandle/ ReadCondHandleKey as data dependency of the algorithm.
MuonTesterTree &	parent ()
	Returns the reference to the MuonTesterTree parent.

Private Member Functions
void	initMessaging () const
	Initialize our message level and MessageSvc.

Private Attributes
VectorBranch< float > &	m_pt {parent().newVector<float>(name() + "Pt")}
VectorBranch< float > &	m_eta {parent().newVector<float>(name() + "Eta")}
VectorBranch< float > &	m_phi {parent().newVector<float>(name() + "Phi")}
VectorBranch< float > &	m_e {parent().newVector<float>(name() + "E")}
TTree *	m_tree {nullptr}
MuonTesterTree *	m_parent {nullptr}
std::string	m_name {}
bool	m_init {false}
std::vector< DataDependency >	m_dependencies {}
std::string	m_nm
	Message source name.
boost::thread_specific_ptr< MsgStream >	m_msg_tls
	MsgStream instance (a std::cout like with print-out levels)
std::atomic< IMessageSvc * >	m_imsg { nullptr }
	MessageSvc pointer.
std::atomic< MSG::Level >	m_lvl { MSG::NIL }
	Current logging level.
std::atomic_flag m_initialized	ATLAS_THREAD_SAFE = ATOMIC_FLAG_INIT
	Messaging initialized (initMessaging)

Detailed Description

Helper class to store the four-momentum in a TTree using the Pt, Eta, Phi, E representation.

Definition at line 15 of file FourVectorBranch.h.

Member Typedef Documentation

DataDependency

using MuonVal::IMuonTesterBranch::DataDependency = SG::VarHandleKey*

inherited

Definition at line 39 of file IMuonTesterBranch.h.

Constructor & Destructor Documentation

PtEtaPhiEBranch()

MuonVal::PtEtaPhiEBranch::PtEtaPhiEBranch	(	MuonTesterTree &	tree,
		const std::string &	vec_name )

Definition at line 7 of file FourVectorBranch.cxx.

: MuonTesterBranch(tree, vec_name) {}

Member Function Documentation

addToTree()

template<class T>

bool MuonVal::MuonTesterBranch::addToTree ( T & variable )

protectedinherited

Connects the Memory buffer with the TTree.

data_dependencies()

std::vector< MuonTesterBranch::DataDependency > MuonVal::MuonTesterBranch::data_dependencies ( )

finaloverridevirtualinherited

Returns the data dependencies needed by the MuonTesterBranch.

Implements MuonVal::IMuonTesterBranch.

Definition at line 61 of file MuonTesterBranch.cxx.

{ return m_dependencies;}

declare_dependency()

template<class Key>

bool MuonVal::MuonTesterBranch::declare_dependency ( Key & key )

protectedinherited

Declares the ReadHandle/ ReadCondHandleKey as data dependency of the algorithm.

eraseWhiteSpaces()

std::string MuonVal::MuonTesterBranch::eraseWhiteSpaces ( const std::string & In )

staticinherited

Definition at line 56 of file MuonTesterBranch.cxx.

                                                                {
    std::string out = In;
    out.erase(std::remove_if(out.begin(), out.end(), isspace), out.end());
    return out;
}

fill()

bool MuonVal::PtEtaPhiEBranch::fill ( const EventContext & ctx )

finaloverridevirtual

The fill method checks if enough information is provided such that the branch is cleared from the information of the prevoius event and in cases of that updates did no happen befure a default value is provided.

--> returns false if no update is called or the dummy value has not been defined

Implements MuonVal::IMuonTesterBranch.

Definition at line 42 of file FourVectorBranch.cxx.

{ return true; }

init()

bool MuonVal::PtEtaPhiEBranch::init ( )

finaloverridevirtual

The init method checks whether the branch name has already registered to the MuonTree and tries then to add the branch to the tree --> return false if the branch has already been defined or the inclusion of the branch to the tree failed or the name of the branch is empty.

Implements MuonVal::IMuonTesterBranch.

Definition at line 43 of file FourVectorBranch.cxx.

{ return true; }

initialized()

bool MuonVal::MuonTesterBranch::initialized ( ) const

inherited

Returns whether the object has been initialized or not The outcome of the variable is bound to a successful call of the addToTree method.

Definition at line 52 of file MuonTesterBranch.cxx.

{ return m_init; }

initMessaging()

void AthMessaging::initMessaging ( ) const

privateinherited

Initialize our message level and MessageSvc.

This method should only be called once.

Definition at line 39 of file AthMessaging.cxx.

{
  m_imsg = Athena::getMessageSvc();
  // If user did not set an explicit level, set a default
  if (m_lvl == MSG::NIL) {
    m_lvl = m_imsg ?
      static_cast<MSG::Level>( m_imsg.load()->outputLevel(m_nm) ) :
      MSG::INFO;
  }
}

msg() [1/2]

MsgStream & AthMessaging::msg ( ) const

inlineinherited

The standard message stream.

Returns a reference to the default message stream May not be invoked before sysInitialize() has been invoked.

Definition at line 163 of file AthMessaging.h.

{
  MsgStream* ms = m_msg_tls.get();
  if (!ms) {
    if (!m_initialized.test_and_set()) initMessaging();
    ms = new MsgStream(m_imsg,m_nm);
    m_msg_tls.reset( ms );
  }
 
  ms->setLevel (m_lvl);
  return *ms;
}

msg() [2/2]

MsgStream & AthMessaging::msg ( const MSG::Level lvl ) const

inlineinherited

The standard message stream.

Returns a reference to the default message stream May not be invoked before sysInitialize() has been invoked.

Definition at line 178 of file AthMessaging.h.

{ return msg() << lvl; }

msgLvl()

bool AthMessaging::msgLvl ( const MSG::Level lvl ) const

inlineinherited

Test the output level.

Parameters

lvl	The message level to test against

Returns

boolean Indicating if messages at given level will be printed

Return values

true	Messages at level "lvl" will be printed

Definition at line 151 of file AthMessaging.h.

{
  if (m_lvl <= lvl) {
    msg() << lvl;
    return true;
  } else {
    return false;
  }
}

name()

std::string MuonVal::MuonTesterBranch::name ( ) const

finaloverridevirtualinherited

Returns the name of the branch.

Implements MuonVal::IMuonTesterBranch.

Definition at line 51 of file MuonTesterBranch.cxx.

{ return m_name; }

operator+=() [1/2]

void MuonVal::PtEtaPhiEBranch::operator+=

(

const HepMC::FourVector &

vec

)

Definition at line 39 of file FourVectorBranch.cxx.

{ push_back(vec); }

operator+=() [2/2]

void MuonVal::PtEtaPhiEBranch::operator+=

(

const TLorentzVector &

vec

)

Definition at line 21 of file FourVectorBranch.cxx.

{ push_back(vec); }

parent()

MuonTesterTree & MuonVal::MuonTesterBranch::parent ( )

protectedinherited

Returns the reference to the MuonTesterTree parent.

Definition at line 38 of file MuonTesterBranch.cxx.

                                         {
    if (!m_parent) {
        ATH_MSG_WARNING("The parent of  " << name() << " is null.");
    }
    return *m_parent;
}

push_back() [1/3]

void MuonVal::PtEtaPhiEBranch::push_back	(	const float	pt,
		const float	eta,
		const float	phi,
		const float	e )

Definition at line 8 of file FourVectorBranch.cxx.

                                                                                               {
    m_pt += pt;
    m_eta += eta;
    m_phi += phi;
    m_e += e;
}

push_back() [2/3]

void MuonVal::PtEtaPhiEBranch::push_back

(

const HepMC::FourVector &

vec

)

Definition at line 24 of file FourVectorBranch.cxx.

{
  float eta = 0;
  if (vec.perp()/std::abs(vec.pz()) < 1e-8) {
    if (vec.pz() > 0)
      eta = 1e72;
    else
      eta = -1e72;
  }
  else {
    eta = vec.eta();
  }
  push_back(vec.perp(), eta, vec.phi(), vec.e());
}

push_back() [3/3]

void MuonVal::PtEtaPhiEBranch::push_back

(

const TLorentzVector &

vec

)

Definition at line 20 of file FourVectorBranch.cxx.

{ push_back(vec.Pt(), vec.Eta(), vec.Phi(), vec.E()); }

set() [1/3]

void MuonVal::PtEtaPhiEBranch::set	(	const float	pt,
		const float	eta,
		const float	phi,
		const float	e,
		size_t	pos )

Definition at line 14 of file FourVectorBranch.cxx.

                                                                                                     {
    m_pt[pos] = pt;
    m_eta[pos] = eta;
    m_phi[pos] = phi;
    m_e[pos] = e;
}

set() [2/3]

void MuonVal::PtEtaPhiEBranch::set	(	const HepMC::FourVector &	vec,
		size_t	pos )

Definition at line 38 of file FourVectorBranch.cxx.

{ set(vec.perp(), vec.eta(), vec.phi(), vec.e(), pos); }

set() [3/3]

void MuonVal::PtEtaPhiEBranch::set	(	const TLorentzVector &	vec,
		size_t	pos )

Definition at line 22 of file FourVectorBranch.cxx.

{ set(vec.Pt(), vec.Eta(), vec.Phi(), vec.E(), pos); }

setLevel()

void AthMessaging::setLevel ( MSG::Level lvl )

inherited

Change the current logging level.

Use this rather than msg().setLevel() for proper operation with MT.

Definition at line 28 of file AthMessaging.cxx.

{
  m_lvl = lvl;
}

size()

size_t MuonVal::PtEtaPhiEBranch::size

(

)

const

Definition at line 41 of file FourVectorBranch.cxx.

{ return m_e.size(); }

tree() [1/2]

const TTree * MuonVal::MuonTesterBranch::tree ( ) const

finaloverridevirtualinherited

Implements MuonVal::IMuonTesterBranch.

Definition at line 54 of file MuonTesterBranch.cxx.

{ return m_tree; }

tree() [2/2]

TTree * MuonVal::MuonTesterBranch::tree ( )

finaloverridevirtualinherited

Returns the underlying TTree object.

Implements MuonVal::IMuonTesterBranch.

Definition at line 53 of file MuonTesterBranch.cxx.

{ return m_tree; }

Member Data Documentation

ATLAS_THREAD_SAFE

std::atomic_flag m_initialized AthMessaging::ATLAS_THREAD_SAFE = ATOMIC_FLAG_INIT

mutableprivateinherited

Messaging initialized (initMessaging)

Definition at line 141 of file AthMessaging.h.

m_dependencies

std::vector<DataDependency> MuonVal::MuonTesterBranch::m_dependencies {}

privateinherited

Definition at line 62 of file MuonTesterBranch.h.

{};

m_e

VectorBranch<float>& MuonVal::PtEtaPhiEBranch::m_e {parent().newVector<float>(name() + "E")}

private

Definition at line 40 of file FourVectorBranch.h.

{parent().newVector<float>(name() + "E")};

m_eta

VectorBranch<float>& MuonVal::PtEtaPhiEBranch::m_eta {parent().newVector<float>(name() + "Eta")}

private

Definition at line 38 of file FourVectorBranch.h.

{parent().newVector<float>(name() + "Eta")};

m_imsg

std::atomic<IMessageSvc*> AthMessaging::m_imsg { nullptr }

mutableprivateinherited

MessageSvc pointer.

Definition at line 135 of file AthMessaging.h.

{ nullptr };

m_init

bool MuonVal::MuonTesterBranch::m_init {false}

privateinherited

Definition at line 61 of file MuonTesterBranch.h.

{false};

m_lvl

std::atomic<MSG::Level> AthMessaging::m_lvl { MSG::NIL }

mutableprivateinherited

Current logging level.

Definition at line 138 of file AthMessaging.h.

{ MSG::NIL };

m_msg_tls

boost::thread_specific_ptr<MsgStream> AthMessaging::m_msg_tls

mutableprivateinherited

MsgStream instance (a std::cout like with print-out levels)

Definition at line 132 of file AthMessaging.h.

m_name

std::string MuonVal::MuonTesterBranch::m_name {}

privateinherited

Definition at line 60 of file MuonTesterBranch.h.

{};

m_nm

std::string AthMessaging::m_nm

privateinherited

Message source name.

Definition at line 129 of file AthMessaging.h.

m_parent

MuonTesterTree* MuonVal::MuonTesterBranch::m_parent {nullptr}

privateinherited

Definition at line 59 of file MuonTesterBranch.h.

{nullptr};

m_phi

VectorBranch<float>& MuonVal::PtEtaPhiEBranch::m_phi {parent().newVector<float>(name() + "Phi")}

private

Definition at line 39 of file FourVectorBranch.h.

{parent().newVector<float>(name() + "Phi")};

m_pt

VectorBranch<float>& MuonVal::PtEtaPhiEBranch::m_pt {parent().newVector<float>(name() + "Pt")}

private

Definition at line 37 of file FourVectorBranch.h.

{parent().newVector<float>(name() + "Pt")};

m_tree

TTree* MuonVal::MuonTesterBranch::m_tree {nullptr}

privateinherited

Definition at line 58 of file MuonTesterBranch.h.

{nullptr};

---

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

• FourVectorBranch.h
• FourVectorBranch.cxx