https://github.com/root-project/root
Tip revision: db2870b025dfc8a401f509206982871862975e29 authored by Unknown Author on 04 August 2006, 10:22:45 UTC
This commit was manufactured by cvs2svn to create tag 'v5-12-00b'.
This commit was manufactured by cvs2svn to create tag 'v5-12-00b'.
Tip revision: db2870b
TRef.h
// @(#)root/cont:$Name: $:$Id: TRef.h,v 1.8 2005/11/21 11:17:18 rdm 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_TRef
#define ROOT_TRef
//////////////////////////////////////////////////////////////////////////
// //
// TRef //
// //
// Persistent Reference link to a TObject //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TObject
#include "TObject.h"
#endif
class TProcessID;
class TFile;
class TExec;
class TObjArray;
class TRef : public TObject {
protected:
TProcessID *fPID; //!Pointer to ProcessID when TRef was written
static TObjArray *fgExecs; //List of execs
static TObject *fgObject; //In: this, Out: pointer to object (used by Action on Demand)
public:
//status bits
enum { kNotComputed = BIT(12)};
TRef(): fPID(0) { }
TRef(TObject *obj);
TRef(const TRef &ref);
void operator=(TObject *obj);
TRef& operator=(const TRef &ref);
virtual ~TRef() { }
TObject *GetObject() const;
TProcessID *GetPID() const {return fPID;}
Bool_t IsValid() const {return GetUniqueID()!=0 ? kTRUE : kFALSE;}
virtual void SetAction(const char *name);
virtual void SetAction(TObject *parent);
static void SetObject(TObject *obj);
static void SetStaticObject(TObject *obj);
static Int_t AddExec(const char *name);
static TObjArray *GetListOfExecs();
static TObject *GetStaticObject();
friend Bool_t operator==(const TRef &r1, const TRef &r2);
friend Bool_t operator!=(const TRef &r1, const TRef &r2);
ClassDef(TRef,1) //Persistent Reference link to a TObject
};
#endif