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/*
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* NTupleEventReader.h
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*
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* Created on: Jun 25, 2010
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* Author: lkreczko
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*/
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#ifndef NTUPLEEVENTREADER_H_
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#define NTUPLEEVENTREADER_H_
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#include <boost/scoped_ptr.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/array.hpp>
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#include "TChain.h"
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#include "../Event.h"
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#include "ElectronReader.h"
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#include "JetReader.h"
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#include "GenJetReader.h"
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#include "MuonReader.h"
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#include "VariableReader.h"
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#include "VertexReader.h"
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#include "METReader.h"
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#include "TrackReader.h"
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#include "GenParticleReader.h"
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#include <string>
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namespace BAT {
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struct NoFileFoundException: public std::exception {
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TString msg;
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NoFileFoundException(TString message) :
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msg(message) {
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}
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~NoFileFoundException() throw () {
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}
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const char* what() const throw () {
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return msg;
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}
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};
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class NTupleEventReader {
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public:
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static const char * EVENT_CHAIN;
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static JetAlgorithm::value jetAlgorithm;
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static ElectronAlgorithm::value electronAlgorithm;
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static METAlgorithm::value metAlgorithm;
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static MuonAlgorithm::value muonAlgorithm;
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static bool loadTracks;
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NTupleEventReader();
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virtual ~NTupleEventReader();
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const Event& getNextEvent();
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bool hasNextEvent();
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void addInputFile(const char* fileName);
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// without check for unit tests -> faster to start, no difference in long analysis
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void addInputFileWithoutCheck(const char* fileName);
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void addInputFile(const char* fileName, DataType::value type);
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void skipNumberOfEvents(unsigned long skipNextNEvents);
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unsigned long getNumberOfProccessedEvents() const;
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unsigned long getCurrentLocalEventNumber() const;
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void setMaximumNumberOfEvents(unsigned long maxNumberOfEvents);
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const boost::array<bool, DataType::NUMBER_OF_DATA_TYPES>& getSeenDatatypes();
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const char* getCurrentFile() const;
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Double_t test;
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private:
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unsigned long processedEvents;
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unsigned long maximalNumberOfEvents;
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unsigned long currentEventEntry;
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unsigned long numberOfFiles;
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boost::shared_ptr<TChain> input;
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boost::shared_ptr<VariableReader<MultiIntPointer> > hltReader;
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boost::scoped_ptr<VertexReader> vertexReader;
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boost::scoped_ptr<TrackReader> trackReader;
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boost::scoped_ptr<ElectronReader> electronReader;
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boost::scoped_ptr<ElectronReader> loosePFelectronReader;
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boost::scoped_ptr<GenParticleReader> genParticleReader;
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boost::scoped_ptr<JetReader> jetReader;
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boost::scoped_ptr<GenJetReader> genJetReader;
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boost::scoped_ptr<MuonReader> muonReader;
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boost::scoped_ptr<METReader> metReader;
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boost::scoped_ptr<VariableReader<unsigned int> > runNumberReader;
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boost::scoped_ptr<VariableReader<unsigned int> > eventNumberReader;
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boost::scoped_ptr<VariableReader<unsigned int> > lumiBlockReader;
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boost::scoped_ptr<VariableReader<unsigned int> > PileupInfoReader;
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// boost::scoped_ptr<VariableReader<bool> > beamScrapingReader;
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bool areReadersSet, areDatatypesKnown;
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Event currentEvent;
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boost::array<bool, DataType::NUMBER_OF_DATA_TYPES> seenDataTypes;
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void selectNextNtupleEvent();
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void initiateReadersIfNotSet();
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DataType::value getDataType(const std::string filename);
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void readDataTypes();
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};
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}
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#endif /* NTUPLEEVENTREADER_H_ */
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