MinMETProducerT< T > Class Template Reference

#include <MinMETProducerT.h>

Inheritance diagram for MinMETProducerT< T >:

List of all members.

Public Member Functions
	MinMETProducerT (const edm::ParameterSet &cfg)
	~MinMETProducerT ()
Private Types
typedef std::vector< T >	METCollection
typedef std::vector < edm::InputTag >	vInputTag
Private Member Functions
void	produce (edm::Event &evt, const edm::EventSetup &es) override
Private Attributes
std::string	moduleLabel_
vInputTag	src_

---

Detailed Description

template<typename T>
class MinMETProducerT< T >

Produce MET object representing the minimum missing transverse energy of set of MET objects given as input

NOTE: class is templated to that it works with reco::CaloMET as well as with reco::PFMET objects as input

Author:

Christian Veelken, LLR

Version:

Revision:

1.2

Id:

MinMETProducerT.h,v 1.2 2013/03/06 19:31:56 vadler Exp

Definition at line 29 of file MinMETProducerT.h.

---

Member Typedef Documentation

template<typename T >

typedef std::vector<T> MinMETProducerT< T >::METCollection [private]

Definition at line 31 of file MinMETProducerT.h.

template<typename T >

typedef std::vector<edm::InputTag> MinMETProducerT< T >::vInputTag [private]

Definition at line 80 of file MinMETProducerT.h.

---

Constructor & Destructor Documentation

template<typename T >

MinMETProducerT< T >::MinMETProducerT

(

const edm::ParameterSet &

cfg

)

[inline, explicit]

Definition at line 35 of file MinMETProducerT.h.

References edm::ParameterSet::getParameter(), and MinMETProducerT< T >::src_.

    : moduleLabel_(cfg.getParameter<std::string>("@module_label"))
  {
    src_ = cfg.getParameter<vInputTag>("src");

    produces<METCollection>();
  }

template<typename T >

MinMETProducerT< T >::~MinMETProducerT

(

)

[inline]

Definition at line 42 of file MinMETProducerT.h.

{}

---

Member Function Documentation

template<typename T >

void MinMETProducerT< T >::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)		[inline, override, private, virtual]

Implements edm::EDProducer.

Definition at line 46 of file MinMETProducerT.h.

References edm::Event::getByLabel(), edm::Event::put(), and MinMETProducerT< T >::src_.

  {
    std::auto_ptr<METCollection> outputMETs(new METCollection());

    // check that all MET collections given as input have the same number of entries
    int numMEtObjects = -1;
    for ( vInputTag::const_iterator src_i = src_.begin();
          src_i != src_.end(); ++src_i ) {
      edm::Handle<METCollection> inputMETs;
      evt.getByLabel(*src_i, inputMETs);
      if ( numMEtObjects == -1 ) numMEtObjects = inputMETs->size();
      else if ( numMEtObjects != (int)inputMETs->size() )
        throw cms::Exception("MinMETProducer::produce")
          << "Mismatch in number of input MET objects !!\n";
    }

    for ( int iMEtObject = 0; iMEtObject < numMEtObjects; ++iMEtObject ) {
      const T* minMET = 0;
      for ( vInputTag::const_iterator src_i = src_.begin();
            src_i != src_.end(); ++src_i ) {
        edm::Handle<METCollection> inputMETs;
        evt.getByLabel(*src_i, inputMETs);
        const T& inputMET = inputMETs->at(iMEtObject);
        if ( minMET == 0 || inputMET.pt() < minMET->pt() ) minMET = &inputMET;
      }
      assert(minMET);
      outputMETs->push_back(T(*minMET));
    }

    evt.put(outputMETs);
  }

---

Member Data Documentation

template<typename T >

std::string MinMETProducerT< T >::moduleLabel_ [private]

Definition at line 78 of file MinMETProducerT.h.

template<typename T >

vInputTag MinMETProducerT< T >::src_ [private]

Definition at line 81 of file MinMETProducerT.h.

Referenced by MinMETProducerT< T >::MinMETProducerT(), and MinMETProducerT< T >::produce().