---

ComputedVariable Class Reference

#include <PhysicsTools/UtilAlgos/interface/CachingVariable.h>

Inheritance diagram for ComputedVariable:

List of all members.

Public Member Functions
	ComputedVariable (const std::string &M, std::string &N, edm::ParameterSet &P, const VariableComputer *c)
	ComputedVariable (CachingVariableFactoryArg arg)
virtual evalType	eval (const edm::Event &iEvent) const
virtual	~ComputedVariable ()
Private Attributes
const VariableComputer *	myComputer

---

Detailed Description

Definition at line 133 of file CachingVariable.h.

---

Constructor & Destructor Documentation

ComputedVariable::ComputedVariable

(

CachingVariableFactoryArg

arg

)

Definition at line 91 of file CachingVariable.cc.

References DBSPlugin::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

(

)

[inline, virtual]

Definition at line 138 of file CachingVariable.h.

{};

---

Member Function Documentation

virtual evalType ComputedVariable::eval

(

const edm::Event &

iEvent

)

const [inline, virtual]

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().

---

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

• PhysicsTools/UtilAlgos/interface/CachingVariable.h
• PhysicsTools/UtilAlgos/src/CachingVariable.cc

---