ComputedVariable Class Reference

#include <CachingVariable.h>

Inheritance diagram for ComputedVariable:

Public Member Functions
	ComputedVariable (CachingVariableFactoryArg arg)
	ComputedVariable (const std::string &M, std::string &N, edm::ParameterSet &P, const VariableComputer *c)
virtual evalType	eval (const edm::Event &iEvent) const
virtual	~ComputedVariable ()
Public Member Functions inherited from CachingVariable
void	addDescriptionLine (const std::string &s)
	CachingVariable (std::string m, std::string n, const edm::ParameterSet &iConfig)
bool	compute (const edm::Event &iEvent) const
const Description &	description () const
const std::string &	holderName () const
const std::string &	method () const
const std::string &	name () const
valueType	operator() (const edm::Event &iEvent) const
void	print () const
void	setHolder (std::string hn) const
virtual	~CachingVariable ()

Private Attributes
const VariableComputer *	myComputer

Additional Inherited Members
Public Types inherited from CachingVariable
typedef std::pair< bool, valueType >	evalType
typedef double	valueType
typedef std::map< std::string, const CachingVariable * >	vMap
Protected Member Functions inherited from CachingVariable
evalType &	baseEval (const edm::Event &iEvent) const
void	setCache (valueType &v) const
void	setNotCompute () const
Protected Attributes inherited from CachingVariable
evalType	cache_
edm::ParameterSet	conf_
Description	d_
std::string	holderName_
std::string	method_
std::string	name_

Detailed Description

Definition at line 133 of file CachingVariable.h.

Constructor & Destructor Documentation

ComputedVariable::ComputedVariable

(

CachingVariableFactoryArg

arg

)

Definition at line 85 of file CachingVariable.cc.

References reco::get(), edm::ParameterSet::getParameter(), CachingVariable::CachingVariableFactoryArg::iConfig, and myComputer.

                                                                 : 
  CachingVariable("ComputedVariable",arg.n,arg.iConfig){
  // instanciate the computer
    std::string computerType = arg.iConfig.getParameter<std::string>("computer");
    myComputer = VariableComputerFactory::get()->create(computerType,arg);
    //there is a memory leak here, because the object we are in is not register anywhere. since it happens once per job, this is not a big deal.
}

ComputedVariable::ComputedVariable ( const std::string &  M, std::string &  N, edm::ParameterSet &  P, const VariableComputer *  c  )

inline

Definition at line 136 of file CachingVariable.h.

                                                                                                        : 
    CachingVariable(M,N,P), myComputer(c){}

virtual ComputedVariable::~ComputedVariable ( )

inlinevirtual

Definition at line 138 of file CachingVariable.h.

{};

Member Function Documentation

virtual evalType ComputedVariable::eval ( const edm::Event &  iEvent ) const

inlinevirtual

Reimplemented from CachingVariable.

Definition at line 140 of file CachingVariable.h.

References CachingVariable::cache_, VariableComputer::compute(), CachingVariable::holderName_, myComputer, and VariableComputer::name().

                                                       {
    if (edm::Service<UpdaterService>()->checkOnce(myComputer->name()+":"+holderName_))
      myComputer->compute(iEvent);
    return cache_;
  }

Member Data Documentation

const VariableComputer* ComputedVariable::myComputer

private

Definition at line 146 of file CachingVariable.h.

Referenced by ComputedVariable(), and eval().