TProcessID.h
// @(#)root/cont:$Name: $:$Id: TProcessID.h,v 1.8 2002/12/18 08:07:29 brun Exp $
// Author: Rene Brun 28/09/2001
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TProcessID
#define ROOT_TProcessID
//////////////////////////////////////////////////////////////////////////
// //
// TProcessID //
// //
// Process Identifier object //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TNamed
#include "TNamed.h"
#endif
#ifndef ROOT_TObjArray
#include "TObjArray.h"
#endif
class TFile;
class TProcessID : public TNamed {
protected:
Int_t fCount; //!Reference count to this object (from TFile)
TObjArray *fObjects; //!Array pointing to the referenced objects
static TProcessID *fgPID; //Pointer to current session ProcessID
static TObjArray *fgPIDs; //Table of ProcessIDs
static UInt_t fgNumber; //Referenced objects count
public:
TProcessID();
TProcessID(const TProcessID &ref);
virtual ~TProcessID();
virtual void Clear(Option_t *option="");
Int_t DecrementCount();
Int_t IncrementCount();
Int_t GetCount() const {return fCount;}
TObjArray *GetObjects() const {return fObjects;}
TObject *GetObjectWithID(UInt_t uid);
void PutObjectWithID(TObject *obj, UInt_t uid=0);
virtual void RecursiveRemove(TObject *obj);
static TProcessID *AddProcessID();
static UInt_t AssignID(TObject *obj);
static void Cleanup();
static TProcessID *ReadProcessID(UShort_t pidf , TFile *file);
static UShort_t WriteProcessID(TProcessID *pid , TFile *file);
static TProcessID *GetProcessID(UShort_t pid);
static TProcessID *GetProcessWithUID(UInt_t uid);
static TProcessID *GetSessionProcessID();
static UInt_t GetObjectCount();
static Bool_t IsValid(TProcessID *pid);
static void SetObjectCount(UInt_t number);
ClassDef(TProcessID,1) //Process Unique Identifier in time and space
};
#endif