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SimpleValueVariable< TYPE > Class Template Reference

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

Inheritance diagram for SimpleValueVariable< TYPE >:

List of all members.

Public Member Functions
CachingVariable::evalType	eval (const edm::Event &iEvent) const
	SimpleValueVariable (CachingVariableFactoryArg arg)
Private Attributes
edm::InputTag	src_

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Detailed Description

template<typename TYPE>
class SimpleValueVariable< TYPE >

Definition at line 505 of file CachingVariable.h.

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Constructor & Destructor Documentation

template<typename TYPE>

SimpleValueVariable< TYPE >::SimpleValueVariable

(

CachingVariableFactoryArg

arg

)

[inline]

Definition at line 507 of file CachingVariable.h.

References CachingVariable::CachingVariableFactoryArg::m, and CachingVariable::CachingVariableFactoryArg::n.

00507                                                      :
00508     CachingVariable("SimpleValueVariable",arg.n,arg.iConfig),
00509     src_(edm::Service<InputTagDistributorService>()->retrieve("src",arg.iConfig)) { arg.m[arg.n]=this;}
  CachingVariable::evalType eval(const edm::Event & iEvent) const{

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Member Function Documentation

template<typename TYPE>

CachingVariable::evalType SimpleValueVariable< TYPE >::eval

(

const edm::Event &

iEvent

)

const [inline, virtual]

Reimplemented from CachingVariable.

Definition at line 510 of file CachingVariable.h.

References edm::Handle< T >::failedToGet(), edm::Event::getByLabel(), edm::Handle< T >::isValid(), SimpleValueVariable< TYPE >::src_, and value.

                                                             {
    edm::Handle<TYPE> value;
    try{    iEvent.getByLabel(src_,value);   }  
    catch(...){ return std::make_pair(false,0); }
    if (value.failedToGet() || !value.isValid()) return std::make_pair(false,0);
    else return std::make_pair(true, *value);
  }

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Member Data Documentation

template<typename TYPE>

edm::InputTag SimpleValueVariable< TYPE >::src_ [private]

Definition at line 518 of file CachingVariable.h.

Referenced by SimpleValueVariable< TYPE >::eval().

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

• PhysicsTools/UtilAlgos/interface/CachingVariable.h

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