EventSetup.h

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#ifndef DataFormats_FWLite_EventSetup_h
#define DataFormats_FWLite_EventSetup_h
// -*- C++ -*-
//
// Package:     FWLite
// Class  :     EventSetup
// 
//
// Original Author:  
//         Created:  Thu Dec 10 15:57:46 CST 2009
//

// system include files
#include <vector>
#include <string>

// user include files
#include "DataFormats/Provenance/interface/EventID.h"
#include "DataFormats/Provenance/interface/Timestamp.h"

// forward declarations
class TFile;

namespace edm {
   class EventBase;
}

namespace fwlite
{
   class Record;
   typedef unsigned int RecordID;
   
   class EventSetup {
      
   public:
      EventSetup(TFile*);
      virtual ~EventSetup();
      
      // ---------- const member functions ---------------------
      const Record& get(const RecordID&) const;

      RecordID recordID(const char* iRecordName) const;

      bool exists(const char* iRecordName) const;
      
      std::vector<std::string> namesOfAvailableRecords() const;
      // ---------- static member functions --------------------

      // ---------- member functions ---------------------------
      //void syncTo(unsigned long iRun, unsigned long iLumi);
      //void syncTo(const edm::EventID&);

      void syncTo(const edm::EventID&, const edm::Timestamp&);

      //void autoSyncTo(const edm::EventBase&);
   

   private:
      EventSetup(const EventSetup&); // stop default

      const EventSetup& operator=(const EventSetup&); // stop default

      // ---------- member data --------------------------------
      const edm::EventBase* m_event;
      edm::EventID m_syncedEvent;
      edm::Timestamp m_syncedTimestamp;
      
      TFile* m_file;

      mutable std::vector<Record*> m_records;
   };
} /* fwlite */


#endif