DemoNtupleRecord.h

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//
// DemoNtupleRecord
//
// DemoNtupleRecord is a demo ntuple record class
//
// Author:  S. Kasahara Feb,2003
//

#ifndef DEMONTUPLERECORD_H
#define DEMONTUPLERECORD_H

#include <iosfwd>
#ifndef RECRECORDIMP_H
#include "Record/RecRecordImp.h"  // base class
#endif
#ifndef RECHEADER_H
#include "Record/RecHeader.h" 
#endif

class TClonesArray;

// The user chooses the header class and uses this class as the
// templated data member of the RecRecordImp base class.
// In this example I've chosen to use the RecHeader class as the
// header class, but the user can choose to use the RecHeader or
// any of the derived header classes supplied in the Record package,
// or write their own derived header class. 
class DemoNtupleRecord : public RecRecordImp<RecHeader> {

 public:

   // Constructors and Destructors
   DemoNtupleRecord();
   DemoNtupleRecord(const RecHeader& header);
   virtual ~DemoNtupleRecord();

   // State changing methods
   void SetMyData(Int_t mydata) { fMyData = mydata; }
  
   // State testing methods
   TClonesArray& GetVectors() { return *fVectors; }
   virtual std::ostream& Print(std::ostream& os) const;
   virtual void Print(const Option_t* option = "" ) const;

 protected:

   virtual void Init();   
     
 private:

   Int_t    fMyData;   // some generic data members  
   //More examples:  
   //Float_t  fVertex[3];         // fixed size array, will be split
   //Int_t    fNResults;          // size of variable array
   //Double_t fResults[fNResult]; //[fNResult] variable size array
   //MyObject fObject;            // MyObject data members will be split  

   // A TClonesArray is a specialized class for holding objects of
   // one type. An example of use is shown here. The -> is important
   // to tell root that the TClonesArray should not be deleted but
   // will be reused. The advantage of using TClonesArray is that they
   // are efficient and data members of objects will be split
   TClonesArray* fVectors; //-> array of TVector3 objects

   ClassDef(DemoNtupleRecord,1)
};

#endif // DEMONTUPLERECORD_H

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