TBranchObject


class description - source file - inheritance tree

class TBranchObject : public TBranch

    private:
protected:
public:
TBranchObject TBranchObject() TBranchObject TBranchObject(const char* name, const char* classname, void* addobj, Int_t basketsize = 32000, Int_t splitlevel = 0, Int_t compress = -1) TBranchObject TBranchObject(TBranchObject&) virtual void ~TBranchObject() virtual void Browse(TBrowser* b) static TClass* Class() virtual Int_t Fill() virtual Int_t GetEntry(Int_t entry = 0, Int_t getall = 0) 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

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

Class Description

                                                                      
 TBranchObject                                                        
                                                                      
 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*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*                      =====================


~TBranchObject()
*-*-*-*-*-*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(Int_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 or an I/O error occurs, the function returns 0.
  if entry is the same as the previous call, the function returns 1.

Bool_t IsFolder() const
*-*-*-*-*Return TRUE if more than one leaf, 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 UpdateAddress()
*-*-*-*-*-*-*-*Update branch addresses if a new object was created*-*-*
*-*            ===================================================




Inline Functions


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


Author: Rene Brun 11/02/96
Last update: root/tree:$Name: $:$Id: TBranchObject.cxx,v 1.16 2001/07/02 16:06:57 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *


ROOT page - Class index - Top of the page

This page has been automatically generated. If you have any comments or suggestions about the page layout send a mail to ROOT support, or contact the developers with any questions or problems regarding ROOT.