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#ifndef UserCode_GPetrucc_DataNTupler_h
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#define UserCode_GPetrucc_DataNTupler_h
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// -*- C++ -*-
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//
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// Package: DataNTupler
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// Class: DataNTupler
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//
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/**\class DataNTupler DataNTupler.cc UserCode/GPetrucc/src/DataNTupler.h
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Description: <one line class summary>
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Implementation:
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<Notes on implementation>
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*/
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//
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// Original Author: Sep 15 09:45
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// Created: Mon Sep 15 09:49:08 CEST 2008
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// $Id: DataNTupler.h,v 1.2 2009/09/30 14:03:35 gpetrucc Exp $
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//
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//
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// system include files
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#include <memory>
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#include <map>
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#include <algorithm>
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// user include files
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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#include "FWCore/Framework/interface/EDFilter.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/MakerMacros.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "FWCore/ServiceRegistry/interface/Service.h"
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#include "CommonTools/UtilAlgos/interface/TFileService.h"
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#include "CommonTools/Utils/interface/StringCutObjectSelector.h"
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#include "CommonTools/Utils/interface/StringObjectFunction.h"
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#include "DataFormats/Common/interface/View.h"
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#include "DataFormats/Common/interface/ValueMap.h"
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#include <TTree.h>
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//
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// class decleration
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//
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template<class T>
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class DataNTupler : public edm::EDFilter {
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public:
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explicit DataNTupler(const edm::ParameterSet&);
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~DataNTupler();
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protected:
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virtual void beginJob(const edm::EventSetup&) ;
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virtual bool filter(edm::Event&, const edm::EventSetup&);
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virtual void endJob() ;
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// ----------member data ---------------------------
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typedef StringCutObjectSelector<T> Selector;
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typedef StringObjectFunction<T> Function;
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edm::InputTag src_;
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Selector cut_;
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Function sortBy_;
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TTree *tree_;
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int number_, max_;
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struct BaseVar {
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virtual ~BaseVar() {}
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virtual void init(const edm::Event &e) {}
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virtual void branch(const std::string &name, TTree *tree, const char *numberVar, size_t max) = 0;
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virtual void fill(const edm::Ptr<T> &t, size_t idx) = 0;
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};
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template<typename T2>
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struct StringFunctionVar : public BaseVar {
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StringFunctionVar(const std::string &func) : func_(func) {}
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void branch(const std::string &name, TTree *tree, const char *numberVar, size_t max) {
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char buff[255];
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sprintf(buff,"%s[%s]/%s", name.c_str(), numberVar, (typeid(T2) == typeid(int) ? "I" : "F"));
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data_.resize(max+1);
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tree->Branch(name.c_str(), &data_[0], buff);
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}
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void fill(const edm::Ptr<T> &t, size_t idx) {
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data_[idx] = static_cast<T2>(func_(*t));
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}
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private:
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Function func_;
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std::vector<T2> data_;
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};
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struct StringCutVar : public BaseVar {
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StringCutVar(const std::string &cut) : cut_(cut) {}
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void branch(const std::string &name, TTree *tree, const char *numberVar, size_t max) {
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char buff[255];
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sprintf(buff,"%s[%s]/b", name.c_str(), numberVar);
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data_.resize(max+1);
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tree->Branch(name.c_str(), &data_[0], buff);
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}
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void fill(const edm::Ptr<T> &t, size_t idx) {
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data_[idx] = cut_(*t) ? 1 : 0;
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}
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private:
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Selector cut_;
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std::vector<uint8_t> data_;
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};
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template<typename T2>
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struct CheckedStringFunctionVar: public BaseVar {
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CheckedStringFunctionVar(const edm::ParameterSet &cfg) :
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func_(cfg.template getParameter<std::string>("expression")),
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cut_(cfg.template getParameter<std::string>("cut"))
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{
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if (typeid(T2) == typeid(int)) {
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default_ = cfg.template getParameter<uint32_t>("default");
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} else {
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default_ = cfg.template getParameter<double>("default");
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}
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}
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void branch(const std::string &name, TTree *tree, const char *numberVar, size_t max) {
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char buff[255];
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sprintf(buff,"%s[%s]/%s", name.c_str(), numberVar, (typeid(T2) == typeid(int) ? "I" : "F"));
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data_.resize(max+1);
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tree->Branch(name.c_str(), &data_[0], buff);
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}
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void fill(const edm::Ptr<T> &pt, size_t idx) {
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const T &t = *pt;
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data_[idx] = cut_(t) ? static_cast<T2>(func_(t)) : default_;
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}
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private:
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Function func_;
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Selector cut_;
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std::vector<T2> data_;
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T2 default_;
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};
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template<typename T2>
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struct ValueMapVar : public BaseVar {
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ValueMapVar(const edm::InputTag &src) : src_(src) {}
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void init(const edm::Event &e) { e.getByLabel(src_, map_); }
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void branch(const std::string &name, TTree *tree, const char *numberVar, size_t max) {
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char buff[255];
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sprintf(buff,"%s[%s]/%s", name.c_str(), numberVar, (typeid(T2) == typeid(int) ? "I" : "F"));
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data_.resize(max+1);
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tree->Branch(name.c_str(), &data_[0], buff);
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}
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void fill(const edm::Ptr<T> &t, size_t idx) {
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data_[idx] = (*map_)[t];
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}
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private:
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edm::InputTag src_;
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std::vector<T2> data_;
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edm::Handle<edm::ValueMap<T2> > map_;
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};
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std::map<std::string, BaseVar *> vars_;
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};
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//
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// constructors and destructor
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//
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template<typename T>
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DataNTupler<T>::DataNTupler(const edm::ParameterSet& iConfig) :
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src_(iConfig.getParameter<edm::InputTag>("src")),
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cut_(iConfig.getParameter<std::string>("cut")),
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sortBy_(iConfig.getParameter<std::string>("sortBy")),
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max_(iConfig.getParameter<uint32_t>("maxNumber"))
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{
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edm::Service<TFileService> fs;
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tree_ = fs->make<TTree>( src_.label().c_str(), iConfig.getParameter<std::string>("cut").c_str() );
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std::string numberVar = iConfig.existsAs<std::string>("numberVar") ? iConfig.getParameter<std::string>("numberVar") : "n";
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tree_->Branch(numberVar.c_str(), &number_, (numberVar+"/I").c_str());
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edm::ParameterSet variables = iConfig.getParameter<edm::ParameterSet>("variables");
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std::vector<std::string> names = variables.getParameterNamesForType<edm::ParameterSet>();
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for (std::vector<std::string>::const_iterator it = names.begin(), ed = names.end(); it != ed; ++it) {
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edm::ParameterSet var = variables.getParameter<edm::ParameterSet>(*it);
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std::string type = var.getParameter<std::string>("type");
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if (type == "IntFunction") {
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vars_[*it] = new StringFunctionVar<int>(var.getParameter<std::string>("expression"));
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} else if (type == "Function") {
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vars_[*it] = new StringFunctionVar<float>(var.getParameter<std::string>("expression"));
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} else if (type == "CheckedFunction") {
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vars_[*it] = new CheckedStringFunctionVar<float>(var);
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} else if (type == "Cut") {
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vars_[*it] = new StringCutVar(var.getParameter<std::string>("cut"));
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} else if (type == "IntValueMap") {
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vars_[*it] = new ValueMapVar<int>(var.getParameter<edm::InputTag>("src"));
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} else if (type == "FloatValueMap") {
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vars_[*it] = new ValueMapVar<float>(var.getParameter<edm::InputTag>("src"));
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} else throw cms::Exception("Configuration") << "Type " << type << " not known.\n";
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}
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for (typename std::map<std::string, BaseVar *>::iterator it = vars_.begin(), ed = vars_.end(); it != ed; ++it) {
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it->second->branch(it->first, tree_, numberVar.c_str(), max_);
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}
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}
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template<typename T>
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DataNTupler<T>::~DataNTupler()
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{
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for (typename std::map<std::string, BaseVar *>::iterator it = vars_.begin(), ed = vars_.end(); it != ed; ++it) {
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delete it->second;
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}
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}
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// ------------ method called to for each event ------------
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template<typename T>
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bool
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DataNTupler<T>::filter(edm::Event& iEvent, const edm::EventSetup& iSetup)
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{
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using namespace edm;
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Handle<View<T> > objects;
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iEvent.getByLabel(src_, objects);
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// Initialize
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for (typename std::map<std::string, BaseVar *>::iterator it = vars_.begin(), ed = vars_.end(); it != ed; ++it) {
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it->second->init(iEvent);
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}
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// Select and sort
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std::vector<std::pair<float, int> > toBeSorted;
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for (int i = 0, n = objects->size(); (i < n); ++i) {
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const T &t = (*objects)[i];
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if (cut_(t)) { toBeSorted.push_back(std::pair<float,int>(sortBy_(t), i)); }
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}
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std::sort(toBeSorted.begin(), toBeSorted.end());
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// Fill variables
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for (number_ = 0; (number_ <= max_) && (size_t(number_) < toBeSorted.size()); ++number_) {
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const edm::Ptr<T> &t = objects->ptrAt(toBeSorted[number_].second);
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for (typename std::map<std::string, BaseVar *>::iterator it = vars_.begin(), ed = vars_.end(); it != ed; ++it) {
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it->second->fill(t, number_);
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}
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}
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// Write entry in tree
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tree_->Fill();
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return true;
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}
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// ------------ method called once each job just before starting event loop ------------
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template<typename T>
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void
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DataNTupler<T>::beginJob(const edm::EventSetup&)
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{
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}
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// ------------ method called once each job just after ending the event loop ------------
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template<typename T>
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void
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DataNTupler<T>::endJob() {
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}
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#endif
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