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#ifndef CondTools_Hcal_BoostIODBReader_h
#define CondTools_Hcal_BoostIODBReader_h
// -*- C++ -*-
//
// Package: CondTools/Hcal
// Class: BoostIODBReader
//
/**\class BoostIODBReader BoostIODBReader.h CondTools/Hcal/interface/BoostIODBReader.h
Description: reads an object from a database and puts it into a file using boost I/O
Implementation:
[Notes on implementation]
*/
//
// Original Author: Igor Volobouev
// Created: Fri Apr 25 18:17:13 CDT 2014
//
//
#include <string>
#include <fstream>
#include <cassert>
#include "CondFormats/Serialization/interface/eos/portable_oarchive.hpp"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/one/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
//
// class declaration
//
template <class DataType, class RecordType>
class BoostIODBReader : public edm::one::EDAnalyzer<> {
public:
typedef DataType data_type;
typedef RecordType record_type;
explicit BoostIODBReader(const edm::ParameterSet&);
inline ~BoostIODBReader() override {}
private:
void analyze(const edm::Event&, const edm::EventSetup&) override;
const std::string outputFile_;
const edm::ESGetToken<DataType, RecordType> tok_;
};
template <class DataType, class RecordType>
BoostIODBReader<DataType, RecordType>::BoostIODBReader(const edm::ParameterSet& ps)
: outputFile_(ps.getParameter<std::string>("outputFile")), tok_(esConsumes<DataType, RecordType>()) {}
template <class DataType, class RecordType>
void BoostIODBReader<DataType, RecordType>::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
const DataType* p = &iSetup.getData(tok_);
std::ofstream of(outputFile_.c_str(), std::ios_base::binary);
if (!of.is_open())
throw cms::Exception("InvalidArgument") << "Failed to open file \"" << outputFile_ << '"' << std::endl;
eos::portable_oarchive ar(of);
ar&* p;
}
#endif // CondTools_Hcal_BoostIODBReader_h
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