tnp::ProbeVariable Class Reference

A variable for the probe: can be a string expression or an external ValueMap<float> More...

#include <BaseTreeFiller.h>

List of all members.

Public Member Functions
float *	address () const
	Addess for ROOT Branch.
void	fill (const reco::CandidateBaseRef &probe) const
	To be called for each item.
void	init (const edm::Event &iEvent) const
	To be called at the beginning of the event (will fetch ValueMap if needed)
const std::string &	name () const
	name
	ProbeVariable (const std::string &name, const edm::InputTag &src)
	Create a ProbeVariable to be read from a ValueMap.
	ProbeVariable (const std::string &name, const std::string &expression)
	Create a ProbeVariable to be evaluated on the fly from a string expression.
	~ProbeVariable ()
	Destructor (does nothing)
Private Attributes
bool	external_
	true if it's an external ValueMap, false if it's a StringParser function
StringObjectFunction < reco::Candidate, true >	function_
	a lazy-parsed StringObjectFunction<reco::Candidate> that gets all the methods of daughter classes too
edm::Handle< edm::ValueMap < float > >	handle_
	the handle to keep the ValueMap
std::string	name_
	the name of the variable, which becomes the ROOT branch name
edm::InputTag	src_
	the external valuemap
float	value_
	the place where we store the value, and that ROOT uses to fill the tree

---

Detailed Description

A variable for the probe: can be a string expression or an external ValueMap<float>

Definition at line 31 of file BaseTreeFiller.h.

---

Constructor & Destructor Documentation

tnp::ProbeVariable::ProbeVariable	(	const std::string &	name,
		const std::string &	expression
	)		[inline]

Create a ProbeVariable to be evaluated on the fly from a string expression.

Definition at line 34 of file BaseTreeFiller.h.

                                                                          :
            name_(name), external_(false), function_(expression) {}

tnp::ProbeVariable::ProbeVariable	(	const std::string &	name,
		const edm::InputTag &	src
	)		[inline]

Create a ProbeVariable to be read from a ValueMap.

Definition at line 38 of file BaseTreeFiller.h.

                                                                     :
            name_(name), external_(true), function_("-1"), src_(src) {}

tnp::ProbeVariable::~ProbeVariable

(

)

Destructor (does nothing)

Definition at line 19 of file BaseTreeFiller.cc.

{}

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Member Function Documentation

float* tnp::ProbeVariable::address

(

)

const [inline]

Addess for ROOT Branch.

Definition at line 45 of file BaseTreeFiller.h.

References value_.

{ return &value_; }

void tnp::ProbeVariable::fill

(

const reco::CandidateBaseRef &

probe

)

const [inline]

To be called for each item.

Definition at line 56 of file BaseTreeFiller.h.

References external_, function_, and value_.

                                                           {
            value_ = external_ ? (*handle_)[probe] : function_(*probe);
        }

void tnp::ProbeVariable::init

(

const edm::Event &

iEvent

)

const [inline]

To be called at the beginning of the event (will fetch ValueMap if needed)

Definition at line 51 of file BaseTreeFiller.h.

References external_, edm::Event::getByLabel(), handle_, and src_.

                                                {
            if (external_) iEvent.getByLabel(src_, handle_);
        }

const std::string& tnp::ProbeVariable::name

(

void

)

const [inline]

name

Definition at line 48 of file BaseTreeFiller.h.

References name_.

{ return name_; }

---

Member Data Documentation

bool tnp::ProbeVariable::external_ [private]

true if it's an external ValueMap, false if it's a StringParser function

Definition at line 67 of file BaseTreeFiller.h.

Referenced by fill(), and init().

StringObjectFunction<reco::Candidate,true> tnp::ProbeVariable::function_ [private]

a lazy-parsed StringObjectFunction<reco::Candidate> that gets all the methods of daughter classes too

Definition at line 70 of file BaseTreeFiller.h.

Referenced by fill().

edm::Handle<edm::ValueMap<float> > tnp::ProbeVariable::handle_ [mutable, private]

the handle to keep the ValueMap

Definition at line 78 of file BaseTreeFiller.h.

Referenced by init().

std::string tnp::ProbeVariable::name_ [private]

the name of the variable, which becomes the ROOT branch name

Definition at line 62 of file BaseTreeFiller.h.

Referenced by name().

edm::InputTag tnp::ProbeVariable::src_ [private]

the external valuemap

Definition at line 76 of file BaseTreeFiller.h.

Referenced by init().

float tnp::ProbeVariable::value_ [mutable, private]

the place where we store the value, and that ROOT uses to fill the tree

Definition at line 64 of file BaseTreeFiller.h.

Referenced by address(), and fill().