/data/refman/pasoursint/CMSSW_5_3_3/src/SimGeneral/MixingModule/plugins/TestMix.cc

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// -*- C++ -*-
//
// Class:      TestMix
// 
//
// Original Author:  Ursula Berthon
//         Created:  Fri Sep 23 11:38:38 CEST 2005
// $Id: TestMix.cc,v 1.20 2011/11/15 21:57:47 gowdy Exp $
//
//


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

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"

#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "SimDataFormats/CrossingFrame/interface/CrossingFrame.h"
#include "SimDataFormats/CrossingFrame/interface/MixCollection.h"
#include "SimDataFormats/TrackingHit/interface/PSimHit.h"

#include "TestMix.h"

#include "SimDataFormats/CaloHit/interface/PCaloHitContainer.h"
#include "SimDataFormats/Track/interface/SimTrackContainer.h"
#include "SimDataFormats/Vertex/interface/SimVertexContainer.h"
#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"


using namespace edm;

TestMix::TestMix(const edm::ParameterSet& iConfig): 
  level_(iConfig.getUntrackedParameter<int>("PrintLevel"))
{
  std::cout << "Constructed testMix , level "<<level_<<std::endl;

  track_containers_.push_back("g4SimHitsTrackerHitsTECHighTof");
  track_containers_.push_back("g4SimHitsTrackerHitsTECLowTof");

  track_containers2_.push_back("g4SimHitsTrackerHitsTECLowTof");
  track_containers2_.push_back("g4SimHitsTrackerHitsTECHighTof");

}


TestMix::~TestMix()
{
 
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)

}


//
// member functions
//

// ------------ method called to analyze the data  ------------
void
TestMix::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
{
  using namespace edm;
  bool got;
  int count=0;

  // test accesses to CrossingFrame
  // attention: operator-> returns the templated object, but
  // bunch() and getTrigger() are methods of the iterator itself!

  // test access to SimTracks directly in CrossingFrame

  edm::Handle<CrossingFrame<SimTrack> > cf_simtrack;
  bool gotTracks = iEvent.getByLabel("mix","g4SimHits",cf_simtrack);
  if (!gotTracks)  std::cout<<" Could not read SimTracks!!!!"<<std::endl;

  // not pointer compatible!!!!
//   if (gotTracks) {
//     std::vector<SimTrack>::const_iterator first;
//     std::vector<SimTrack>::const_iterator last;
//     cf_simtrack->getPileups(first,last);
//     unsigned int ic=0;
//     for (std::vector<SimTrack>::const_iterator it=first;it!=last;it++) {
//       std::cout<<" pileup SimTrack "<<ic<<" has genpart index  "<<(*it).genpartIndex()<<" vertex Index "<<(*it).vertIndex()  <<" bunchcrossing "<<cf_simtrack->getBunchCrossing(ic)<<std::endl;
//       ic++;
//     }
//   } 


  const std::string subdet("g4SimHitsTrackerHitsTECHighTof");
  edm::Handle<CrossingFrame<PSimHit> > cf_simhit;
  got = iEvent.getByLabel("mix",subdet,cf_simhit);
  if (!got) std::cout<<" Could not read SimHits with label "<<subdet<<"!!!!"<<std::endl;
  else {
    std::cout<<"\n\n=================== Starting SimHit access, subdet "<<subdet<<"  ==================="<<std::endl;

    std::auto_ptr<MixCollection<PSimHit> > col(new MixCollection<PSimHit>(cf_simhit.product(),std::pair<int,int>(-1,1)));
    std::cout<<*(col.get())<<std::endl;
    MixCollection<PSimHit>::iterator cfi;
    for (cfi=col->begin(); cfi!=col->end();cfi++) {
      std::cout<<" Hit "<<count<<" has tof "<<cfi->timeOfFlight()<<" trackid "<<cfi->trackId() <<" bunchcr "<<cfi.bunch()<<" trigger "<<cfi.getTrigger()<<", from EncodedEventId: "<<cfi->eventId().bunchCrossing()<<" " <<cfi->eventId().event() <<" bcr from MixCol "<<cfi.bunch()<<std::endl;
      //      std::cout<<" Hit: "<<(*cfi)<<std::endl;
      count++;
    }
  }

  // test access to CaloHits
  const std::string subdetcalo("g4SimHitsEcalHitsEB");
  edm::Handle<CrossingFrame<PCaloHit> > cf_calo;
  got = iEvent.getByLabel("mix",subdetcalo,cf_calo);
  if (!got) std::cout<<" Could not read CaloHits with label "<<subdetcalo<<"!!!!"<<std::endl;
  else {
    std::cout<<"\n\n=================== Starting CaloHit access, subdet "<<subdetcalo<<"  ==================="<<std::endl;
    std::auto_ptr<MixCollection<PCaloHit> > colcalo(new MixCollection<PCaloHit>(cf_calo.product(), std::pair<int,int>(-1,1)));
    std::cout<<*(colcalo.get())<<std::endl;
    MixCollection<PCaloHit>::iterator cficalo;
    count=0;
    for (cficalo=colcalo->begin(); cficalo!=colcalo->end();cficalo++) {
      std::cout<<" CaloHit "<<count<<" has tof "<<cficalo->time()<<" trackid "<<cficalo->geantTrackId() <<" bunchcr "<<cficalo.bunch()<<" trigger "<<cficalo.getTrigger()<<", from EncodedEventId: "<<cficalo->eventId().bunchCrossing()<<" " <<cficalo->eventId().event() <<std::endl;
      //      std::cout<<" Calo Hit: "<<(*cficalo)<<std::endl;
      count++;
    }
  }

  // test access to SimTracks
  if (gotTracks) {
    std::cout<<"\n=================== Starting SimTrack access ==================="<<std::endl;
    //   edm::Handle<CrossingFrame<SimTrack> > cf_simtrack;
    //   iEvent.getByLabel("mix",cf_simtrack);
    std::auto_ptr<MixCollection<SimTrack> > col2(new MixCollection<SimTrack>(cf_simtrack.product()));
    MixCollection<SimTrack>::iterator cfi2;
    int count2=0;
    std::cout <<" \nWe got "<<col2->sizeSignal()<<" signal tracks and "<<col2->sizePileup()<<" pileup tracks, total: "<<col2->size()<<std::endl;
    for (cfi2=col2->begin(); cfi2!=col2->end();cfi2++) {
      std::cout<<" SimTrack "<<count2<<" has genpart index  "<<cfi2->genpartIndex()<<" vertex Index "<<cfi2->vertIndex() <<" bunchcr "<<cfi2.bunch()<<" trigger "<<cfi2.getTrigger()<<", from EncodedEventId: "<<cfi2->eventId().bunchCrossing() <<" "<<cfi2->eventId().event() <<std::endl;
      count2++; 
    }
  }

  // test access to SimVertices
  edm::Handle<CrossingFrame<SimVertex> > cf_simvtx;
  got = iEvent.getByLabel("mix","g4SimHits",cf_simvtx);
  if (!got) std::cout<<" Could not read Simvertices !!!!"<<std::endl;
  else {
    std::cout<<"\n=================== Starting SimVertex access ==================="<<std::endl;
    std::auto_ptr<MixCollection<SimVertex> > col3(new MixCollection<SimVertex>(cf_simvtx.product()));
    MixCollection<SimVertex>::iterator cfi3;
    int count3=0;
    std::cout <<" \nWe got "<<col3->sizeSignal()<<" signal vertices and "<<col3->sizePileup()<<" pileup vertices, total: "<<col3->size()<<std::endl;
    for (cfi3=col3->begin(); cfi3!=col3->end();cfi3++) {
      std::cout<<" SimVertex "<<count3<<" has parent index  "<<cfi3->parentIndex()<<" bunchcr "<<cfi3.bunch()<<" trigger "<<cfi3.getTrigger()<<", from EncodedEventId: "<<cfi3->eventId().bunchCrossing() <<" "<<cfi3->eventId().event() <<std::endl;
      SimVertex myvtx=(*cfi3);
      std::cout<<"Same with op*: "<<count3<<" has parent index  "<<myvtx.parentIndex()<<" bunchcr "<<cfi3.bunch()<<" trigger "<<cfi3.getTrigger()<<", from EncodedEventId: "<<myvtx.eventId().bunchCrossing() <<" "<<myvtx.eventId().event() <<std::endl;
      count3++; 
    }
  }

  //test MixCollection constructor with several subdetector names
  bool got1,got2=false;
  std::auto_ptr<MixCollection<PSimHit> > all_trackhits;
  std::auto_ptr<MixCollection<PSimHit> > all_trackhits2;
  std::cout<<"\n=================== Starting test for coll of several ROU-s ==================="<<std::endl;
  //  edm::Handle<CrossingFrame<PSimHit> > cf_simhit;
  std::vector<const CrossingFrame<PSimHit> *> cfvec;
  got1 = iEvent.getByLabel("mix",track_containers_[0],cf_simhit);
  if (!got1) std::cout<<" Could not read SimHits with label "<<track_containers_[0]<<"!!!!"<<std::endl;
  else {
    std::cout<<"\n=================== Starting test for coll of several ROU-s ==================="<<std::endl;
    cfvec.push_back(cf_simhit.product());
    std::cout <<" \nFirst container "<<track_containers_[0]<<" Nr signals "<<cf_simhit->getNrSignals() << ", Nr pileups "<<cf_simhit->getNrPileups() <<std::endl;
    got2 = iEvent.getByLabel("mix",track_containers_[1],cf_simhit);
    if (got2) {
      cfvec.push_back(cf_simhit.product());
      std::cout <<" \nSecond container "<<track_containers_[1]<<" Nr signals "<<cf_simhit->getNrSignals() << ", Nr pileups "<<cf_simhit->getNrPileups() <<std::endl;
      all_trackhits= std::auto_ptr<MixCollection<PSimHit> >(new MixCollection<PSimHit>(cfvec));

      std::cout <<" \nFor all containers we got "<<all_trackhits->sizeSignal()<<" signal hits and "<<all_trackhits->sizePileup()<<" pileup hits, total: "<<all_trackhits->size()<<std::endl;
    
      MixCollection<PSimHit>::iterator it;
      int ii=0;
      for (it=all_trackhits->begin(); it!= all_trackhits->end();it++) {
        std::cout<<" Hit "<<ii<<" of all hits has tof "<<it->timeOfFlight()<<" trackid "<<it->trackId() <<" bunchcr "<<it.bunch()<<" trigger "<<it.getTrigger()<<", from EncodedEventId: "<<it->eventId().bunchCrossing() <<" "<<it->eventId().event()<<std::endl;
        ii++;
      }
    }
  }

  //test the same in different order: should be the same sizes, different order
  MixCollection<PSimHit>::iterator it2;
  int ii2=0;
  std::vector<const CrossingFrame<PSimHit> *> cfvec2;
  got = iEvent.getByLabel("mix",track_containers2_[0],cf_simhit);
  if (!got) std::cout<<" Could not read SimHits with label "<<track_containers2_[0]<<"!!!!"<<std::endl;
  else {
    cfvec2.push_back(cf_simhit.product());
    got2 = iEvent.getByLabel("mix",track_containers2_[1],cf_simhit);
    if (got2) {
      cfvec2.push_back(cf_simhit.product());
      all_trackhits2= std::auto_ptr<MixCollection<PSimHit> > (new MixCollection<PSimHit>(cfvec2));
      std::cout <<" \nSame containers, different order: we got "<<all_trackhits2->sizeSignal()<<" signal hits and "<<all_trackhits2->sizePileup()<<" pileup hits, total: "<<all_trackhits2->size()<<std::endl;
      for (it2=all_trackhits2->begin(); it2!= all_trackhits2->end();it2++) {
        std::cout<<" Hit "<<ii2<<" of all hits has tof "<<it2->timeOfFlight()<<" trackid "<<it2->trackId() <<" bunchcr "<<it2.bunch()<<" trigger "<<it2.getTrigger()<<", bcr from Id: "<<it2->eventId().bunchCrossing() <<" evtnr in id "<<it2->eventId().event()<<std::endl;
        ii2++;
      }
    }
  }

  //test MixCollection for HepMCProducts
  //at the same time test getObject method
  //we should have each line twice
  //------------------------------------
  edm::Handle<CrossingFrame<edm::HepMCProduct> > cf_hepmc;
  got = iEvent.getByLabel("mix","generator",cf_hepmc);
  if (!got) std::cout<<" Could not read HepMCProducts!!!!"<<std::endl;
  else {
    std::auto_ptr<MixCollection<edm::HepMCProduct> > colhepmc(new MixCollection<edm::HepMCProduct>(cf_hepmc.product()));
    MixCollection<edm::HepMCProduct>::iterator cfihepmc;
    int counthepmc=0;
    std::cout <<" \nWe got "<<colhepmc->sizeSignal()<<" signal hepmc products and "<<colhepmc->sizePileup()<<" pileup hepmcs, total: "<<colhepmc->size()<<std::endl;
    for (cfihepmc=colhepmc->begin(); cfihepmc!=colhepmc->end();cfihepmc++) {
      std::cout<<" edm::HepMCProduct "<<counthepmc<<" has event number "<<cfihepmc->GetEvent()->event_number()<<", "<< cfihepmc->GetEvent()->particles_size()<<" particles and "<<cfihepmc->GetEvent()->vertices_size()<<" vertices,  bunchcr= "<<cfihepmc.bunch()<<" trigger= "<<cfihepmc.getTrigger() <<" sourcetype= "<<cfihepmc.getSourceType()<<std::endl;
      HepMCProduct myprod=colhepmc->getObject(counthepmc);
      std::cout<<"same with getObject:hepmc product   "<<counthepmc<<" has event number "<<myprod.GetEvent()->event_number()<<", "<<myprod.GetEvent()->particles_size()<<" particles and "<<myprod.GetEvent()->vertices_size()<<" vertices"<<std::endl;
      counthepmc++;
    }
  }
  //----------------------------------------------------------------------------
  //  testing special situations
  //----------------------------------------------------------------------------
 
  if (got2) {
    // test reusage of the same iterator
    int ii3=0;
    for (it2=all_trackhits2->begin(); it2!= all_trackhits2->end();it2++) ii3++;
    if (ii3!=ii2) std::cout<<" Problem when re-using iterator!!"<<std::endl;
    else  std::cout<<" \nNo problem when re-using iterator."<<std::endl;
  }
  // test access to non-filled collections
  //cases:   0) ok, collection has members
  //         1) bunchrange given outside of existent bunchcrossing numbers ==>exc

  std::cout<<"\n=================== Starting tests for abnormal conditions ==================="<<std::endl;

  // test case 0
  if (got1) {
    std::cout<<"\n[ Testing abnormal conditions case 0]Should be all ok: registry: "<<all_trackhits->inRegistry()<<" size: "<<all_trackhits->size()<<std::endl;

                                                  // test case 1
                                                  std::cout<<"\n[ Testing abnormal conditions case 1] Should throw an exception " <<std::endl;
                                                                                                MixCollection<PSimHit> * col21=0;
                                                                                                col21=new MixCollection<PSimHit>(cf_simhit.product(),std::pair<int,int>(-10,20));
                                                                                                delete col21;
  }
}