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ROOT::Detail::TBranchProxy Class Reference

Base class for all the proxy object.

It includes the implementation of the autoloading of branches as well as all the generic setup routine.

Definition at line 74 of file TBranchProxy.h.

Public Member Functions

 TBranchProxy ()
 Constructor.
 TBranchProxy (Internal::TBranchProxyDirector *boss, const char *branchname, TBranch *branch, const char *membername, bool suppressMissingBranchError=false)
 Constructor taking the branch name, possibly of a friended tree.
 TBranchProxy (Internal::TBranchProxyDirector *boss, const char *top, const char *name, const char *membername)
 Constructor.
 TBranchProxy (Internal::TBranchProxyDirector *boss, const char *top, const char *name=nullptr)
 Constructor.
 TBranchProxy (Internal::TBranchProxyDirector *boss, TBranch *branch, const char *membername)
 Constructor.
 TBranchProxy (Internal::TBranchProxyDirector *boss, TBranchProxy *parent, const char *membername, const char *top=nullptr, const char *name=nullptr)
 Constructor.
virtual ~TBranchProxy ()
 Typical Destructor.
virtual void * GetAddressOfElement (UInt_t)
 Return the address of the element number i.
virtual Int_t GetArrayLength ()
const char * GetBranchName () const
TClass * GetClass ()
void * GetClaStart (UInt_t i=0)
TVirtualCollectionProxy * GetCollection ()
virtual Int_t GetEntries ()
Int_t GetOffset ()
TBranchProxy * GetProxy ()
virtual void * GetStart (UInt_t=0)
void * GetStlStart (UInt_t i=0)
bool GetSuppressErrorsForMissingBranch () const
std::size_t GetValueSize () const
void * GetWhere () const
bool IsaPointer () const
bool IsInitialized ()
bool Notify ()
virtual void Print ()
 Display the content of the object.
bool Read ()
bool ReadEntries ()
void Reset ()
 Completely reset the object.
bool Setup ()
 Initialize/cache the necessary information.

Protected Attributes

union { 
   TBranchElement *   fBranchCount 
   TLeaf *   fLeafCount 
}; 
Int_t fArrayLength
TBranch * fBranch
const TString fBranchName
TClass * fClass
TString fClassName
TVirtualCollectionProxy * fCollection
const TString fDataMember
Internal::TBranchProxyDirector * fDirector
TStreamerElement * fElement
bool fHasLeafCount: 1
bool fInitialized: 1
bool fIsaPointer: 1
bool fIsClone: 1
const bool fIsMember: 1
Int_t fMemberOffset
TNotifyLink< TBranchProxy > fNotify
Int_t fOffset
TBranchProxy * fParent
Long64_t fRead
bool fSuppressMissingBranchError {false}
std::size_t fValueSize {}
void * fWhere

Private Types

enum class  EReadType {
  kDefault , kNoDirector , kReadParentNoCollection , kReadParentCollectionNoPointer ,
  kReadParentCollectionPointer , kReadNoParentNoBranchCountCollectionPointer , kReadNoParentNoBranchCountCollectionNoPointer , kReadNoParentNoBranchCountNoCollection ,
  kReadNoParentBranchCountCollectionPointer , kReadNoParentBranchCountCollectionNoPointer , kReadNoParentBranchCountNoCollection
}

Private Member Functions

EReadType GetReadType ()
bool ReadNoDirector ()
bool ReadNoParentBranchCountCollectionNoPointer ()
bool ReadNoParentBranchCountCollectionPointer ()
bool ReadNoParentBranchCountNoCollection ()
bool ReadNoParentNoBranchCountCollectionNoPointer ()
bool ReadNoParentNoBranchCountCollectionPointer ()
bool ReadNoParentNoBranchCountNoCollection ()
bool ReadParentCollectionNoPointer ()
bool ReadParentCollectionPointer ()
bool ReadParentNoCollection ()

Friends

class ROOT::Internal::TTreeReaderValueBase

#include <TBranchProxy.h>

Inheritance diagram for ROOT::Detail::TBranchProxy:
ROOT::Internal::TArrayProxy< TArrayType< Double_t > > ROOT::Internal::TArrayProxy< TArrayType< Double32_t > > ROOT::Internal::TArrayProxy< TArrayType< Float_t > > ROOT::Internal::TArrayProxy< TArrayType< Float16_t > > ROOT::Internal::TArrayProxy< TArrayType< UInt_t > > ROOT::Internal::TArrayProxy< TArrayType< ULong_t > > ROOT::Internal::TArrayProxy< TArrayType< ULong64_t > > ROOT::Internal::TArrayProxy< TArrayType< UShort_t > > ROOT::Internal::TArrayProxy< TArrayType< UChar_t > > ROOT::Internal::TArrayProxy< TArrayType< Int_t > > ROOT::Internal::TArrayProxy< TArrayType< Long_t > > ROOT::Internal::TArrayProxy< TArrayType< Long64_t > > ROOT::Internal::TArrayProxy< TArrayType< bool > > ROOT::Internal::TImpProxy< Double_t > ROOT::Internal::TImpProxy< Double32_t > ROOT::Internal::TImpProxy< Float_t > ROOT::Internal::TImpProxy< Float16_t > ROOT::Internal::TImpProxy< UInt_t > ROOT::Internal::TImpProxy< ULong_t > ROOT::Internal::TImpProxy< ULong64_t > ROOT::Internal::TImpProxy< UShort_t > ROOT::Internal::TImpProxy< UChar_t > ROOT::Internal::TImpProxy< Int_t > ROOT::Internal::TImpProxy< Long_t > ROOT::Internal::TImpProxy< Long64_t > ROOT::Internal::TImpProxy< Short_t > ROOT::Internal::TImpProxy< Char_t > ROOT::Internal::TImpProxy< bool > ROOT::Internal::TArrayCharProxy ROOT::Internal::TArrayProxy< T > ROOT::Internal::TClaProxy ROOT::Internal::TImpProxy< T > ROOT::Internal::TStlProxy

Member Enumeration Documentation

◆ EReadType

enum class ROOT::Detail::TBranchProxy::EReadType
strongprivate
Enumerator
kDefault 
kNoDirector 
kReadParentNoCollection 
kReadParentCollectionNoPointer 
kReadParentCollectionPointer 
kReadNoParentNoBranchCountCollectionPointer 
kReadNoParentNoBranchCountCollectionNoPointer 
kReadNoParentNoBranchCountNoCollection 
kReadNoParentBranchCountCollectionPointer 
kReadNoParentBranchCountCollectionNoPointer 
kReadNoParentBranchCountNoCollection 

Definition at line 191 of file TBranchProxy.h.

Constructor & Destructor Documentation

◆ TBranchProxy() [1/6]

ROOT::Detail::TBranchProxy::TBranchProxy ( )

Constructor.

Definition at line 57 of file TBranchProxy.cxx.

◆ TBranchProxy() [2/6]

ROOT::Detail::TBranchProxy::TBranchProxy ( Internal::TBranchProxyDirector * boss,
const char * top,
const char * name = nullptr )

Constructor.

Definition at line 70 of file TBranchProxy.cxx.

◆ TBranchProxy() [3/6]

ROOT::Detail::TBranchProxy::TBranchProxy ( Internal::TBranchProxyDirector * boss,
const char * top,
const char * name,
const char * membername )

Constructor.

Definition at line 89 of file TBranchProxy.cxx.

◆ TBranchProxy() [4/6]

ROOT::Detail::TBranchProxy::TBranchProxy ( Internal::TBranchProxyDirector * boss,
Detail::TBranchProxy * parent,
const char * membername,
const char * top = nullptr,
const char * name = nullptr )

Constructor.

Definition at line 109 of file TBranchProxy.cxx.

◆ TBranchProxy() [5/6]

ROOT::Detail::TBranchProxy::TBranchProxy ( Internal::TBranchProxyDirector * boss,
TBranch * branch,
const char * membername )

Constructor.

Definition at line 130 of file TBranchProxy.cxx.

◆ TBranchProxy() [6/6]

ROOT::Detail::TBranchProxy::TBranchProxy ( Internal::TBranchProxyDirector * boss,
const char * branchname,
TBranch * branch,
const char * membername,
bool suppressMissingBranchError = false )

Constructor taking the branch name, possibly of a friended tree.

Used by TTreeReaderValue in place of TFriendProxy.

Definition at line 167 of file TBranchProxy.cxx.

◆ ~TBranchProxy()

ROOT::Detail::TBranchProxy::~TBranchProxy ( )
virtual

Typical Destructor.

Definition at line 200 of file TBranchProxy.cxx.

Member Function Documentation

◆ GetAddressOfElement()

virtual void * ROOT::Detail::TBranchProxy::GetAddressOfElement ( UInt_t )
inlinevirtual

Return the address of the element number i.

Returns nullptr for non-collections. It assumed that Setip() has been called.

Reimplemented in ROOT::Internal::TArrayCharProxy, ROOT::Internal::TArrayProxy< T >, ROOT::Internal::TArrayProxy< TArrayType< bool > >, ROOT::Internal::TArrayProxy< TArrayType< Double32_t > >, ROOT::Internal::TArrayProxy< TArrayType< Double_t > >, ROOT::Internal::TArrayProxy< TArrayType< Float16_t > >, ROOT::Internal::TArrayProxy< TArrayType< Float_t > >, ROOT::Internal::TArrayProxy< TArrayType< Int_t > >, ROOT::Internal::TArrayProxy< TArrayType< Long64_t > >, ROOT::Internal::TArrayProxy< TArrayType< Long_t > >, ROOT::Internal::TArrayProxy< TArrayType< UChar_t > >, ROOT::Internal::TArrayProxy< TArrayType< UInt_t > >, ROOT::Internal::TArrayProxy< TArrayType< ULong64_t > >, ROOT::Internal::TArrayProxy< TArrayType< ULong_t > >, ROOT::Internal::TArrayProxy< TArrayType< UShort_t > >, ROOT::Internal::TClaProxy, and ROOT::Internal::TStlProxy.

Definition at line 441 of file TBranchProxy.h.

◆ GetArrayLength()

virtual Int_t ROOT::Detail::TBranchProxy::GetArrayLength ( )
inlinevirtual

Definition at line 420 of file TBranchProxy.h.

◆ GetBranchName()

const char * ROOT::Detail::TBranchProxy::GetBranchName ( ) const
inline

Definition at line 126 of file TBranchProxy.h.

◆ GetClass()

TClass * ROOT::Detail::TBranchProxy::GetClass ( )
inline

Definition at line 424 of file TBranchProxy.h.

◆ GetClaStart()

void * ROOT::Detail::TBranchProxy::GetClaStart ( UInt_t i = 0)
inline

Definition at line 463 of file TBranchProxy.h.

◆ GetCollection()

TVirtualCollectionProxy * ROOT::Detail::TBranchProxy::GetCollection ( )
inline

Definition at line 445 of file TBranchProxy.h.

◆ GetEntries()

virtual Int_t ROOT::Detail::TBranchProxy::GetEntries ( )
inlinevirtual

Reimplemented in ROOT::Internal::TArrayProxy< T >, ROOT::Internal::TArrayProxy< TArrayType< bool > >, ROOT::Internal::TArrayProxy< TArrayType< Double32_t > >, ROOT::Internal::TArrayProxy< TArrayType< Double_t > >, ROOT::Internal::TArrayProxy< TArrayType< Float16_t > >, ROOT::Internal::TArrayProxy< TArrayType< Float_t > >, ROOT::Internal::TArrayProxy< TArrayType< Int_t > >, ROOT::Internal::TArrayProxy< TArrayType< Long64_t > >, ROOT::Internal::TArrayProxy< TArrayType< Long_t > >, ROOT::Internal::TArrayProxy< TArrayType< UChar_t > >, ROOT::Internal::TArrayProxy< TArrayType< UInt_t > >, ROOT::Internal::TArrayProxy< TArrayType< ULong64_t > >, ROOT::Internal::TArrayProxy< TArrayType< ULong_t > >, ROOT::Internal::TArrayProxy< TArrayType< UShort_t > >, ROOT::Internal::TClaProxy, and ROOT::Internal::TStlProxy.

Definition at line 409 of file TBranchProxy.h.

◆ GetOffset()

Int_t ROOT::Detail::TBranchProxy::GetOffset ( )
inline

Definition at line 553 of file TBranchProxy.h.

◆ GetProxy()

TBranchProxy * ROOT::Detail::TBranchProxy::GetProxy ( )
inline

Definition at line 125 of file TBranchProxy.h.

◆ GetReadType()

EReadType ROOT::Detail::TBranchProxy::GetReadType ( )
inlineprivate

Definition at line 205 of file TBranchProxy.h.

◆ GetStart()

virtual void * ROOT::Detail::TBranchProxy::GetStart ( UInt_t = 0)
inlinevirtual

Definition at line 448 of file TBranchProxy.h.

◆ GetStlStart()

void * ROOT::Detail::TBranchProxy::GetStlStart ( UInt_t i = 0)
inline

Definition at line 509 of file TBranchProxy.h.

◆ GetSuppressErrorsForMissingBranch()

bool ROOT::Detail::TBranchProxy::GetSuppressErrorsForMissingBranch ( ) const
inline

Definition at line 555 of file TBranchProxy.h.

◆ GetValueSize()

std::size_t ROOT::Detail::TBranchProxy::GetValueSize ( ) const
inline

Definition at line 557 of file TBranchProxy.h.

◆ GetWhere()

void * ROOT::Detail::TBranchProxy::GetWhere ( ) const
inline

Definition at line 437 of file TBranchProxy.h.

◆ IsaPointer()

bool ROOT::Detail::TBranchProxy::IsaPointer ( ) const
inline

Definition at line 142 of file TBranchProxy.h.

◆ IsInitialized()

bool ROOT::Detail::TBranchProxy::IsInitialized ( )
inline

Definition at line 137 of file TBranchProxy.h.

◆ Notify()

bool ROOT::Detail::TBranchProxy::Notify ( )
inline

Definition at line 130 of file TBranchProxy.h.

◆ Print()

void ROOT::Detail::TBranchProxy::Print ( )
virtual

Display the content of the object.

Reimplemented in ROOT::Internal::TArrayCharProxy, ROOT::Internal::TArrayProxy< T >, ROOT::Internal::TArrayProxy< TArrayType< bool > >, ROOT::Internal::TArrayProxy< TArrayType< Double32_t > >, ROOT::Internal::TArrayProxy< TArrayType< Double_t > >, ROOT::Internal::TArrayProxy< TArrayType< Float16_t > >, ROOT::Internal::TArrayProxy< TArrayType< Float_t > >, ROOT::Internal::TArrayProxy< TArrayType< Int_t > >, ROOT::Internal::TArrayProxy< TArrayType< Long64_t > >, ROOT::Internal::TArrayProxy< TArrayType< Long_t > >, ROOT::Internal::TArrayProxy< TArrayType< UChar_t > >, ROOT::Internal::TArrayProxy< TArrayType< UInt_t > >, ROOT::Internal::TArrayProxy< TArrayType< ULong64_t > >, ROOT::Internal::TArrayProxy< TArrayType< ULong_t > >, ROOT::Internal::TArrayProxy< TArrayType< UShort_t > >, ROOT::Internal::TClaProxy, ROOT::Internal::TImpProxy< T >, ROOT::Internal::TImpProxy< bool >, ROOT::Internal::TImpProxy< Char_t >, ROOT::Internal::TImpProxy< Double32_t >, ROOT::Internal::TImpProxy< Double_t >, ROOT::Internal::TImpProxy< Float16_t >, ROOT::Internal::TImpProxy< Float_t >, ROOT::Internal::TImpProxy< Int_t >, ROOT::Internal::TImpProxy< Long64_t >, ROOT::Internal::TImpProxy< Long_t >, ROOT::Internal::TImpProxy< Short_t >, ROOT::Internal::TImpProxy< UChar_t >, ROOT::Internal::TImpProxy< UInt_t >, ROOT::Internal::TImpProxy< ULong64_t >, ROOT::Internal::TImpProxy< ULong_t >, ROOT::Internal::TImpProxy< UShort_t >, and ROOT::Internal::TStlProxy.

Definition at line 230 of file TBranchProxy.cxx.

◆ Read()

bool ROOT::Detail::TBranchProxy::Read ( )
inline

Definition at line 146 of file TBranchProxy.h.

◆ ReadEntries()

bool ROOT::Detail::TBranchProxy::ReadEntries ( )
inline

Definition at line 381 of file TBranchProxy.h.

◆ ReadNoDirector()

bool ROOT::Detail::TBranchProxy::ReadNoDirector ( )
inlineprivate

Definition at line 237 of file TBranchProxy.h.

◆ ReadNoParentBranchCountCollectionNoPointer()

bool ROOT::Detail::TBranchProxy::ReadNoParentBranchCountCollectionNoPointer ( )
inlineprivate

Definition at line 345 of file TBranchProxy.h.

◆ ReadNoParentBranchCountCollectionPointer()

bool ROOT::Detail::TBranchProxy::ReadNoParentBranchCountCollectionPointer ( )
inlineprivate

Definition at line 327 of file TBranchProxy.h.

◆ ReadNoParentBranchCountNoCollection()

bool ROOT::Detail::TBranchProxy::ReadNoParentBranchCountNoCollection ( )
inlineprivate

Definition at line 363 of file TBranchProxy.h.

◆ ReadNoParentNoBranchCountCollectionNoPointer()

bool ROOT::Detail::TBranchProxy::ReadNoParentNoBranchCountCollectionNoPointer ( )
inlineprivate

Definition at line 295 of file TBranchProxy.h.

◆ ReadNoParentNoBranchCountCollectionPointer()

bool ROOT::Detail::TBranchProxy::ReadNoParentNoBranchCountCollectionPointer ( )
inlineprivate

Definition at line 278 of file TBranchProxy.h.

◆ ReadNoParentNoBranchCountNoCollection()

bool ROOT::Detail::TBranchProxy::ReadNoParentNoBranchCountNoCollection ( )
inlineprivate

Definition at line 312 of file TBranchProxy.h.

◆ ReadParentCollectionNoPointer()

bool ROOT::Detail::TBranchProxy::ReadParentCollectionNoPointer ( )
inlineprivate

Definition at line 252 of file TBranchProxy.h.

◆ ReadParentCollectionPointer()

bool ROOT::Detail::TBranchProxy::ReadParentCollectionPointer ( )
inlineprivate

Definition at line 265 of file TBranchProxy.h.

◆ ReadParentNoCollection()

bool ROOT::Detail::TBranchProxy::ReadParentNoCollection ( )
inlineprivate

Definition at line 241 of file TBranchProxy.h.

◆ Reset()

void ROOT::Detail::TBranchProxy::Reset ( )

Completely reset the object.

Definition at line 209 of file TBranchProxy.cxx.

◆ Setup()

bool ROOT::Detail::TBranchProxy::Setup ( )

Initialize/cache the necessary information.

Definition at line 245 of file TBranchProxy.cxx.

◆ ROOT::Internal::TTreeReaderValueBase

friend class ROOT::Internal::TTreeReaderValueBase
friend

Definition at line 189 of file TBranchProxy.h.

Member Data Documentation

◆ [union]

union { ... } ROOT::Detail::TBranchProxy

◆ fArrayLength

Int_t ROOT::Detail::TBranchProxy::fArrayLength
protected

Definition at line 96 of file TBranchProxy.h.

◆ fBranch

TBranch* ROOT::Detail::TBranchProxy::fBranch
protected

Definition at line 98 of file TBranchProxy.h.

◆ fBranchCount

TBranchElement* ROOT::Detail::TBranchProxy::fBranchCount

Definition at line 100 of file TBranchProxy.h.

◆ fBranchName

const TString ROOT::Detail::TBranchProxy::fBranchName
protected

Definition at line 85 of file TBranchProxy.h.

◆ fClass

TClass* ROOT::Detail::TBranchProxy::fClass
protected

Definition at line 92 of file TBranchProxy.h.

◆ fClassName

TString ROOT::Detail::TBranchProxy::fClassName
protected

Definition at line 91 of file TBranchProxy.h.

◆ fCollection

TVirtualCollectionProxy* ROOT::Detail::TBranchProxy::fCollection
protected

Definition at line 109 of file TBranchProxy.h.

◆ fDataMember

const TString ROOT::Detail::TBranchProxy::fDataMember
protected

Definition at line 88 of file TBranchProxy.h.

◆ fDirector

Internal::TBranchProxyDirector* ROOT::Detail::TBranchProxy::fDirector
protected

Definition at line 76 of file TBranchProxy.h.

◆ fElement

TStreamerElement* ROOT::Detail::TBranchProxy::fElement
protected

Definition at line 93 of file TBranchProxy.h.

◆ fHasLeafCount

bool ROOT::Detail::TBranchProxy::fHasLeafCount
protected

Definition at line 82 of file TBranchProxy.h.

◆ fInitialized

bool ROOT::Detail::TBranchProxy::fInitialized
protected

Definition at line 78 of file TBranchProxy.h.

◆ fIsaPointer

bool ROOT::Detail::TBranchProxy::fIsaPointer
protected

Definition at line 81 of file TBranchProxy.h.

◆ fIsClone

bool ROOT::Detail::TBranchProxy::fIsClone
protected

Definition at line 80 of file TBranchProxy.h.

◆ fIsMember

const bool ROOT::Detail::TBranchProxy::fIsMember
protected

Definition at line 79 of file TBranchProxy.h.

◆ fLeafCount

TLeaf* ROOT::Detail::TBranchProxy::fLeafCount

Definition at line 101 of file TBranchProxy.h.

◆ fMemberOffset

Int_t ROOT::Detail::TBranchProxy::fMemberOffset
protected

Definition at line 94 of file TBranchProxy.h.

◆ fNotify

TNotifyLink<TBranchProxy> ROOT::Detail::TBranchProxy::fNotify
protected

Definition at line 104 of file TBranchProxy.h.

◆ fOffset

Int_t ROOT::Detail::TBranchProxy::fOffset
protected

Definition at line 95 of file TBranchProxy.h.

◆ fParent

TBranchProxy* ROOT::Detail::TBranchProxy::fParent
protected

Definition at line 86 of file TBranchProxy.h.

◆ fRead

Long64_t ROOT::Detail::TBranchProxy::fRead
protected

Definition at line 106 of file TBranchProxy.h.

◆ fSuppressMissingBranchError

bool ROOT::Detail::TBranchProxy::fSuppressMissingBranchError {false}
protected

Definition at line 83 of file TBranchProxy.h.

◆ fValueSize

std::size_t ROOT::Detail::TBranchProxy::fValueSize {}
protected

Definition at line 111 of file TBranchProxy.h.

◆ fWhere

void* ROOT::Detail::TBranchProxy::fWhere
protected

Definition at line 108 of file TBranchProxy.h.

The documentation for this class was generated from the following files: