[u/mrichter/AliRoot.git] / STEER / AliStream.h

#ifndef ALISTREAM_H
#define ALISTREAM_H
/* Copyright(c) 1998-2000, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

////////////////////////////////////////////////////////////////////////
//
//  Class to handle files on IO
//  Handles files and returns serial event number                  
//  Author: Jiri Chudoba (CERN), 2001
//
////////////////////////////////////////////////////////////////////////

// --- ROOT system ---
#include <TNamed.h>

// --- AliRoot header files ---
class TObjArray;
class TFile;

class TString;

class AliStream: public TNamed {

public:
  AliStream();
  AliStream(const char* foldername, Option_t *optioneventfoldername);
  AliStream(const AliStream &as);
  AliStream & operator = (const AliStream & as) 
    {as.Copy(*this); return *this;}
  virtual ~AliStream();

  void       AddFile(const char *fileName);
  Bool_t     NextEventInStream();
  Bool_t     OpenNextFile();//returns kFALSE in case of failure
  Bool_t     ImportgAlice();
  void       ChangeMode(Option_t* option);     // reset READ or UPDATE mode
 
  const TString& GetFolderName() const{return fEventFolderName;}
  Int_t GetNInputFiles() const {return fFileNames->GetLast()+1;}
  TString GetFileName(Int_t order) const;
  void SetFolderName(const TString name) { fEventFolderName = name ; }
  Int_t GetCurrentEventNumber() const { return fLastEventSerialNr ; }
    
private:  

  void Copy(TObject & as) const;

  Int_t      fLastEventSerialNr;     // Serial number of last event
  Int_t      fLastEventNr;           // Number of last event
  Int_t      fCurrentFileIndex;      // Index of current file
  Int_t      fEvents;                //! nr. of events in the current file
  TString    fMode;                  // = 0 for READONLY, = 1 for READWRITE
  TObjArray* fFileNames;             // List of file names
  
  TString fEventFolderName; //Name of the folder where data for this stram will be mounted
  
  ClassDef(AliStream,1)
};

#endif // ALISTREAM_H
Commit	Line	Data
	1	#ifndef ALISTREAM_H
	2	#define ALISTREAM_H
	3	/* Copyright(c) 1998-2000, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	/* $Id$ */
	7
	8	////////////////////////////////////////////////////////////////////////
	9	//
	10	// Class to handle files on IO
	11	// Handles files and returns serial event number
	12	// Author: Jiri Chudoba (CERN), 2001
	13	//
	14	////////////////////////////////////////////////////////////////////////
	15
	16	// --- ROOT system ---
	17	#include <TNamed.h>
	18
	19	// --- AliRoot header files ---
	20	class TObjArray;
	21	class TFile;
	22
	23	class TString;
	24
	25	class AliStream: public TNamed {
	26
	27	public:
	28	AliStream();
	29	AliStream(const char* foldername, Option_t *optioneventfoldername);
	30	AliStream(const AliStream &as);
	31	AliStream & operator = (const AliStream & as)
	32	{as.Copy(this); return this;}
	33	virtual ~AliStream();
	34
	35	void AddFile(const char *fileName);
	36	Bool_t NextEventInStream();
	37	Bool_t OpenNextFile();//returns kFALSE in case of failure
	38	Bool_t ImportgAlice();
	39	void ChangeMode(Option_t* option); // reset READ or UPDATE mode
	40
	41	const TString& GetFolderName() const{return fEventFolderName;}
	42	Int_t GetNInputFiles() const {return fFileNames->GetLast()+1;}
	43	TString GetFileName(Int_t order) const;
	44	void SetFolderName(const TString name) { fEventFolderName = name ; }
	45	Int_t GetCurrentEventNumber() const { return fLastEventSerialNr ; }
	46
	47	private:
	48
	49	void Copy(TObject & as) const;
	50
	51	Int_t fLastEventSerialNr; // Serial number of last event
	52	Int_t fLastEventNr; // Number of last event
	53	Int_t fCurrentFileIndex; // Index of current file
	54	Int_t fEvents; //! nr. of events in the current file
	55	TString fMode; // = 0 for READONLY, = 1 for READWRITE
	56	TObjArray* fFileNames; // List of file names
	57
	58	TString fEventFolderName; //Name of the folder where data for this stram will be mounted
	59
	60	ClassDef(AliStream,1)
	61	};
	62
	63	#endif // ALISTREAM_H