#ifndef TTsuDataBlock_hh
#define TTsuDataBlock_hh

#include "TClonesArray.h"

#include <Stntuple/obj/TStnDataBlock.hh>

#include <Stntuple/data/TTsudHit.hh>
#include <Stntuple/data/TTsueHit.hh>

class TTsuDataBlock : public TStnDataBlock {

  friend Int_t StntupleInitTsuDataBlock(TStnDataBlock* block, 
					AbsEvent*      event, 
					int            mode);
//-----------------------------------------------------------------------------
//  data members
//-----------------------------------------------------------------------------
protected:
  Int_t          fNDHits;		// number of hits in D-bank
  TClonesArray*  fDHitList;		// list of D-hits
  Int_t          fNEHits;		// number of hits in E-bank
  TClonesArray*  fEHitList;		// list of E-hits
//-----------------------------------------------------------------------------
//  functions
//-----------------------------------------------------------------------------
public:
  TTsuDataBlock();
  virtual ~TTsuDataBlock();
					// ****** init methods
					// ****** accessors

  Int_t         NEHits         () const { return fNEHits;   }
  Int_t         NDHits         () const { return fNDHits;   }

  TTsudHit*  DHit(int i) const { return (TTsudHit*) fDHitList->UncheckedAt(i); }
  TTsueHit*  EHit(int i) const { return (TTsueHit*) fEHitList->UncheckedAt(i); }

					// ****** modifiers

  TTsudHit*  NewTsudHit() { return new ((*fDHitList)[fNDHits++]) TTsudHit(); }
  TTsueHit*  NewTsueHit() { return new ((*fEHitList)[fNEHits++]) TTsueHit(); }

					// ****** overloaded functions of 
					// TObject

  void          Clear(Option_t* opt="");
  void          Print(Option_t* opt="") const;

  ClassDef(TTsuDataBlock,1)
};

#endif