#include <H2RootNtplSource.h>

Inheritance diagram for edm::H2RootNtplSource:

Public Member Functions
	H2RootNtplSource (const ParameterSet &, const InputSourceDescription &)
virtual	~H2RootNtplSource ()
Public Attributes
unsigned int	firstEvent_
Ntuple2HepMCFiller *	reader_
Private Member Functions
void	clear ()
virtual bool	produce (Event &e)
Private Attributes
HepMC::GenEvent *	evt
std::string	filename_
EventID	nextID_

Detailed Description

Definition at line 19 of file H2RootNtplSource.h.

Constructor & Destructor Documentation

H2RootNtplSource::H2RootNtplSource	(	const ParameterSet &	pset,
		const InputSourceDescription &	desc
	)

Definition at line 19 of file H2RootNtplSource.cc.

References gather_cfg::cout, convertXMLtoSQLite_cfg::fileName, edm::ExternalInputSource::fileNames(), firstEvent_, edm::ParameterSet::getUntrackedParameter(), Ntuple2HepMCFiller::initialize(), edm::InputSource::maxEvents(), reader_, and Ntuple2HepMCFiller::setEvent().

                                                                                                  :
ExternalInputSource(pset, desc),  
evt(0), firstEvent_ (pset.getUntrackedParameter<unsigned int>("firstEvent",0)),
reader_( Ntuple2HepMCFiller::instance() ){
        

        cout << "H2RootNtplSource: Reading HepMC file: " << fileNames()[0] << endl;
        string fileName = fileNames()[0];
        // strip the file: 
        if ( ! fileName.find("file:")){
          fileName.erase(0,5);
        }   
        //Max number of events processed  
        cout << "H2RootNtplSource: Number of events to be processed = " << maxEvents() << endl;
        
        //First event
        firstEvent_ = pset.getUntrackedParameter<unsigned int>("firstEvent",0);
        cout << "H2RootNtplSource: Number of first event  = " << firstEvent_ << endl;   

        reader_->initialize(fileName,101);  
        reader_->setEvent(firstEvent_);
        produces<HepMCProduct>();

}

H2RootNtplSource::~H2RootNtplSource ( ) [virtual]

Definition at line 45 of file H2RootNtplSource.cc.

References clear().

                                   {
        clear();
}

Member Function Documentation

void H2RootNtplSource::clear ( void ) [private]

Definition at line 49 of file H2RootNtplSource.cc.

Referenced by ~H2RootNtplSource().

{
}

bool H2RootNtplSource::produce ( Event & e ) [private, virtual]

Implements edm::ConfigurableInputSource.

Definition at line 52 of file H2RootNtplSource.cc.

References gather_cfg::cout, evt, Ntuple2HepMCFiller::fillCurrentEventData(), edm::Event::put(), and reader_.

                                        {
        

        // no need to clean up GenEvent memory - now done in HepMCProduct
        //if ( evt != NULL ) delete evt ;
   
                
                auto_ptr<HepMCProduct> bare_product(new HepMCProduct());  
                cout << "H2RootNtplSource: Start Reading  " << endl;
                evt = reader_->fillCurrentEventData(); 
                if(evt)  {
                  bare_product->addHepMCData(evt );
                  e.put(bare_product);
                  return true;
                }
                else return false;
        
        
}