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#ifndef DataFormats_FWLite_Record_h
#define DataFormats_FWLite_Record_h
// -*- C++ -*-
//
// Package: FWLite
// Class : Record
//
/**\class Record Record.h DataFormats/FWLite/interface/Record.h
Description: Contains conditions data which are related by life-time (i.e. IOV)
Usage:
Records are obtained from the fwlite::EventSetup.
See DataFormats/FWLite/interface/EventSetup.h for full usage.
*/
//
// Original Author:
// Created: Thu Dec 10 15:58:15 CST 2009
//
// system include files
#include <map>
#include <string>
#include <typeinfo>
#include <vector>
// user include files
#include "DataFormats/FWLite/interface/IOVSyncValue.h"
#include "FWCore/Utilities/interface/TypeID.h"
#include "FWCore/Utilities/interface/thread_safety_macros.h"
// forward declarations
class TTree;
class TBranch;
namespace edm {
class EventID;
class Timestamp;
} // namespace edm
namespace cms {
class Exception;
}
namespace fwlite {
class Record {
public:
Record(const char* iName, TTree*);
Record(const Record&) = delete; // stop default
const Record& operator=(const Record&) = delete; // stop default
virtual ~Record();
// ---------- const member functions ---------------------
const std::string& name() const;
template <typename HANDLE>
bool get(HANDLE&, const char* iLabel = "") const;
const IOVSyncValue& startSyncValue() const;
const IOVSyncValue& endSyncValue() const;
std::vector<std::pair<std::string, std::string>> typeAndLabelOfAvailableData() const;
// ---------- static member functions --------------------
// ---------- member functions ---------------------------
void syncTo(const edm::EventID&, const edm::Timestamp&);
private:
cms::Exception* get(const edm::TypeID&, const char* iLabel, const void*&) const;
void resetCaches();
// ---------- member data --------------------------------
std::string m_name;
TTree* m_tree;
std::map<IOVSyncValue, unsigned int> m_startIOVtoEntry;
long m_entry;
IOVSyncValue m_start;
IOVSyncValue m_end;
//This class is not inteded to be used across different threads
CMS_SA_ALLOW mutable std::map<std::pair<edm::TypeID, std::string>, std::pair<TBranch*, void*>> m_branches;
};
template <typename HANDLE>
bool Record::get(HANDLE& iHandle, const char* iLabel) const {
const void* value = nullptr;
cms::Exception* e = get(edm::TypeID(iHandle.typeInfo()), iLabel, value);
if (nullptr == e) {
iHandle = HANDLE(value);
} else {
iHandle = HANDLE(e);
}
return nullptr == e;
}
} // namespace fwlite
#endif
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