library: libTree
#include "TBranchObject.h"


class description - source file - inheritance tree (.pdf)

class TBranchObject : public TBranch

Inheritance Chart:

TBranchObject() TBranchObject(const char* name, const char* classname, void* addobj, Int_t basketsize = 32000, Int_t splitlevel = 0, Int_t compress = -1) virtual ~TBranchObject() virtual void Browse(TBrowser* b) static TClass* Class() virtual Int_t Fill() virtual const char* GetClassName() const virtual Int_t GetEntry(Long64_t entry = 0, Int_t getall = 0) virtual const char* GetObjClassName() const virtual TClass* IsA() const virtual Bool_t IsFolder() const virtual void Print(Option_t* option = "") const virtual void Reset(Option_t* option = "") virtual void SetAddress(void* addobj) virtual void SetAutoDelete(Bool_t autodel = kTRUE) virtual void SetBasketSize(Int_t buffsize) virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b) virtual void UpdateAddress()

Data Members

TString fClassName Class name of referenced object TObject* fOldObject !Pointer to old object public:
static const enum TBranchObject:: kWarn

Class Description

 A Branch for the case of an object                                   //                                                                      

TBranchObject(): TBranch()
*-*-*-*-*-*Default constructor for BranchObject*-*-*-*-*-*-*-*-*-*
*-*        ====================================

TBranchObject(const char *name, const char *classname, void *addobj, Int_t basketsize, Int_t splitlevel, Int_t compress) :TBranch()
*-*-*-*-*-*-*-*-*-*-*-*-*Create a BranchObject*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*                      =====================

*-*-*-*-*-*Default destructor for a BranchObject*-*-*-*-*-*-*-*-*-*-*-*
*-*        =====================================

void Browse(TBrowser *b)

Int_t Fill()
*-*-*-*-*-*-*-*Loop on all leaves of this branch to fill Basket buffer*-*-*
*-*            =======================================================

Int_t GetEntry(Long64_t entry, Int_t getall)
*-*-*-*-*Read all branches of a BranchObject and return total number of bytes
*-*      ====================================================================
   If entry = 0 take current entry number + 1
   If entry < 0 reset entry number to 0

  The function returns the number of bytes read from the input buffer.
  If entry does not exist  the function returns 0.
  If an I/O error occurs,  the function returns -1.

Bool_t IsFolder() const
*-*-*-*-*Return TRUE if more than one leaf or if fBorwsables, FALSE otherwise*-*
*-*      ====================================================================

void Print(Option_t *option) const
*-*-*-*-*-*-*-*-*-*-*-*Print TBranch parameters*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*                    ========================

void Reset(Option_t *option)
*-*-*-*-*-*-*-*Reset a Branch*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*            ====================

    Existing buffers are deleted
    Entries, max and min are reset

void SetAddress(void *add)
*-*-*-*-*-*-*-*Set address of this branch*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*            ====================

void SetAutoDelete(Bool_t autodel)
*-*-*-*-*-*-*-*Set the AutoDelete bit
*-*            ====================
  This function can be used to instruct Root in TBranchObject::ReadBasket
  to not delete the object referenced by a branchobject before reading a
  new entry. By default, the object is deleted.
  If autodel is kTRUE, this existing object will be deleted, a new object
    created by the default constructor, then object->Streamer called.
  If autodel is kFALSE, the existing object is not deleted. Root assumes
    that the user is taking care of deleting any internal object or array
    This can be done in Streamer itself.
  If this branch has sub-branches, the function sets autodel for these
  branches as well.
  We STRONGLY suggest to activate this option by default when you create
  the top level branch. This will make the read phase more efficient
  because it minimizes the numbers of new/delete operations.
  Once this option has been set and the Tree is written to a file, it is
  not necessary to specify the option again when reading, unless you
  want to set the opposite mode.

void SetBasketSize(Int_t buffsize)
*-*-*-*-*-*-*-*Reset basket size for all subbranches of this branchobject
*-*            ==========================================================

void Streamer(TBuffer &R__b)
 Stream an object of class TBranchObject.

void UpdateAddress()
*-*-*-*-*-*-*-*Update branch addresses if a new object was created*-*-*
*-*            ===================================================

Inline Functions

        const char* GetClassName() const
        const char* GetObjClassName() const
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void StreamerNVirtual(TBuffer& b)

Author: Rene Brun 11/02/96
Last update: root/tree:$Name: $:$Id: TBranchObject.cxx,v 1.32 2005/09/03 02:21:32 pcanal Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *

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