/data/refman/pasoursint/CMSSW_4_4_5_patch3/src/DQMOffline/Trigger/src/HLTMuonOfflineAnalyzer.cc

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// -*- C++ -*-
//
// Package:     HLTMuonOfflineAnalyzer
// Class:       HLTMuonOfflineAnalyzer
// 

//
// Jason Slaunwhite and Jeff Klukas
// $Id: HLTMuonOfflineAnalyzer.cc,v 1.3 2011/04/01 20:39:01 klukas Exp $
//
//

// system include files
#include <memory>
#include <iostream>

// user include files
#include "DQMOffline/Trigger/interface/HLTMuonMatchAndPlot.h"

#include "DQMServices/Core/interface/DQMStore.h"

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
// #include "FWCore/Framework/interface/Event.h"
// #include "FWCore/Framework/interface/Run.h"
// #include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"


#include "HLTrigger/HLTcore/interface/HLTConfigProvider.h"
#include "FWCore/ServiceRegistry/interface/Service.h"


#include "TFile.h"
#include "TDirectory.h"
#include "TPRegexp.h"





class HLTMuonOfflineAnalyzer : public edm::EDAnalyzer {

public:

  explicit HLTMuonOfflineAnalyzer(const edm::ParameterSet&);

private:

  // Analyzer Methods
  virtual void beginJob();
  virtual void beginRun(const edm::Run &, const edm::EventSetup &);
  virtual void analyze(const edm::Event &, const edm::EventSetup &);
  virtual void endRun(const edm::Run &, const edm::EventSetup &);
  virtual void endJob();

  // Extra Methods
  std::vector<std::string> moduleLabels(std::string);

  // Input from Configuration File
  edm::ParameterSet pset_;
  std::string hltProcessName_;
  std::string destination_;
  std::vector<std::string> hltPathsToCheck_;

  // Member Variables
  std::vector<HLTMuonMatchAndPlot> analyzers_;
  HLTConfigProvider hltConfig_;

  // Access to the DQM
  DQMStore * dbe_;

};




using namespace std;
using namespace edm;
using namespace reco;
using namespace trigger;

typedef vector<string> vstring;




HLTMuonOfflineAnalyzer::HLTMuonOfflineAnalyzer(const ParameterSet& pset) :
  pset_(pset),
  hltProcessName_(pset.getParameter<string>("hltProcessName")),
  destination_(pset.getUntrackedParameter<string>("destination")),
  hltPathsToCheck_(pset.getParameter<vstring>("hltPathsToCheck"))
{
  // Prepare the DQMStore object.
  dbe_ = edm::Service<DQMStore>().operator->();
  dbe_->setVerbose(0);
  dbe_->setCurrentFolder(destination_);
}



vector<string> 
HLTMuonOfflineAnalyzer::moduleLabels(string path) {

  vector<string> modules = hltConfig_.moduleLabels(path);
  vector<string>::iterator iter = modules.begin();

  while (iter != modules.end())
    if (iter->find("Filtered") == string::npos) 
      iter = modules.erase(iter);
    else
      ++iter;

  return modules;

}



void 
HLTMuonOfflineAnalyzer::beginRun(const edm::Run & iRun, 
                                      const edm::EventSetup & iSetup) {

  // Initialize hltConfig
  bool changedConfig;
  if (!hltConfig_.init(iRun, iSetup, hltProcessName_, changedConfig)) {
    LogError("HLTMuonVal") << "Initialization of HLTConfigProvider failed!!"; 
    return;
  }

  // Get the set of trigger paths we want to make plots for
  set<string> hltPaths;
  for (size_t i = 0; i < hltPathsToCheck_.size(); i++) {
    TPRegexp pattern(hltPathsToCheck_[i]);
    for (size_t j = 0; j < hltConfig_.triggerNames().size(); j++)
      if (TString(hltConfig_.triggerNames()[j]).Contains(pattern))
        hltPaths.insert(hltConfig_.triggerNames()[j]);
  }
  
  // Initialize the analyzers
  analyzers_.clear();
  set<string>::iterator iPath;
  for (iPath = hltPaths.begin(); iPath != hltPaths.end(); iPath++) {
    string path = * iPath;
    vector<string> labels = moduleLabels(path);
    if (labels.size() > 0) {
      HLTMuonMatchAndPlot analyzer(pset_, path, moduleLabels(path));
      analyzers_.push_back(analyzer);
    }
  }

  // Call the beginRun (which books all the histograms)
  vector<HLTMuonMatchAndPlot>::iterator iter;
  for (iter = analyzers_.begin(); iter != analyzers_.end(); ++iter) {
    iter->beginRun(iRun, iSetup);
  }

}

void
HLTMuonOfflineAnalyzer::analyze(const Event& iEvent, 
                                     const EventSetup& iSetup)
{

  vector<HLTMuonMatchAndPlot>::iterator iter;
  for (iter = analyzers_.begin(); iter != analyzers_.end(); ++iter) {
    iter->analyze(iEvent, iSetup);
  }

}



void 
HLTMuonOfflineAnalyzer::beginJob()
{
}



void 
HLTMuonOfflineAnalyzer::endRun(const edm::Run & iRun, 
                                    const edm::EventSetup& iSetup)
{

  // vector<HLTMuonMatchAndPlot>::iterator iter;
  // for (iter = analyzers_.begin(); iter != analyzers_.end(); ++iter) {
  //   iter->endRun(iRun, iSetup);
  // }

}



void 
HLTMuonOfflineAnalyzer::endJob()
{
}



//define this as a plug-in
DEFINE_FWK_MODULE(HLTMuonOfflineAnalyzer);