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ROOT::Internal::TTreeReaderValueBase Class Referenceabstract

Definition at line 45 of file TTreeReaderValue.h.

Public Types

enum  EReadStatus { kReadSuccess = 0, kReadNothingYet, kReadError }
 
enum  ESetupStatus {
  kSetupNotSetup = -7, kSetupTreeDestructed = -8, kSetupMakeClassModeMismatch = -7, kSetupMissingCounterBranch = -6,
  kSetupMissingBranch = -5, kSetupInternalError = -4, kSetupMissingCompiledCollectionProxy = -3, kSetupMismatch = -2,
  kSetupClassMismatch = -1, kSetupMatch = 0, kSetupMatchBranch = 0, kSetupMatchConversion,
  kSetupMatchConversionCollection, kSetupMakeClass, kSetupVoidPtr, kSetupNoCheck,
  kSetupMatchLeaf
}
 

Public Member Functions

 TTreeReaderValueBase (const TTreeReaderValueBase &)=delete
 
void * GetAddress ()
 Returns the memory address of the object being read. More...
 
const char * GetBranchName () const
 
TLeaf * GetLeaf ()
 If we are reading a leaf, return the corresponding TLeaf. More...
 
virtual EReadStatus GetReadStatus () const
 
ESetupStatus GetSetupStatus () const
 
Bool_t IsValid () const
 
EReadStatus ProxyRead ()
 Try to read the value from the TBranchProxy, returns the status of the read. More...
 

Protected Member Functions

 TTreeReaderValueBase (TTreeReader *reader=0, const char *branchname=0, TDictionary *dict=0)
 Construct a tree value reader and register it with the reader object. More...
 
virtual ~TTreeReaderValueBase ()
 Unregister from tree reader, cleanup. More...
 
virtual void CreateProxy ()
 Create the proxy object for our branch. More...
 
const char * GetBranchDataType (TBranch *branch, TDictionary *&dict) const
 Retrieve the type of data stored by branch; put its dictionary into dict, return its type name. More...
 
virtual const char * GetDerivedTypeName () const =0
 
Detail::TBranchProxy * GetProxy () const
 
void MarkTreeReaderUnavailable ()
 

Protected Attributes

TString fBranchName
 
TDictionary * fDict
 
TLeaf * fLeaf
 
TString fLeafName
 
Detail::TBranchProxy * fProxy
 
EReadStatus fReadStatus
 
ESetupStatus fSetupStatus
 
std::vector< Long64_t > fStaticClassOffsets
 
Long64_t fTreeLastOffset
 
TTreeReader * fTreeReader
 

Friends

class ::TTreeReader
 

#include <TTreeReaderValue.h>

Inheritance diagram for ROOT::Internal::TTreeReaderValueBase:
[legend]

Member Enumeration Documentation

enum ROOT::Internal::TTreeReaderValueBase::EReadStatus
Enumerator
kReadSuccess 
kReadNothingYet 
kReadError 

Definition at line 69 of file TTreeReaderValue.h.

enum ROOT::Internal::TTreeReaderValueBase::ESetupStatus
Enumerator
kSetupNotSetup 
kSetupTreeDestructed 
kSetupMakeClassModeMismatch 
kSetupMissingCounterBranch 
kSetupMissingBranch 
kSetupInternalError 
kSetupMissingCompiledCollectionProxy 
kSetupMismatch 
kSetupClassMismatch 
kSetupMatch 
kSetupMatchBranch 
kSetupMatchConversion 
kSetupMatchConversionCollection 
kSetupMakeClass 
kSetupVoidPtr 
kSetupNoCheck 
kSetupMatchLeaf 

Definition at line 50 of file TTreeReaderValue.h.

Constructor & Destructor Documentation

ROOT::Internal::TTreeReaderValueBase::TTreeReaderValueBase ( const TTreeReaderValueBase &  )
delete
ROOT::Internal::TTreeReaderValueBase::TTreeReaderValueBase ( TTreeReader *  reader = 0,
const char *  branchname = 0,
TDictionary *  dict = 0 
)
protected

Construct a tree value reader and register it with the reader object.

Definition at line 39 of file TTreeReaderValue.cxx.

ROOT::Internal::TTreeReaderValueBase::~TTreeReaderValueBase ( )
protectedvirtual

Unregister from tree reader, cleanup.

Definition at line 57 of file TTreeReaderValue.cxx.

Member Function Documentation

void ROOT::Internal::TTreeReaderValueBase::CreateProxy ( )
protectedvirtual

Create the proxy object for our branch.

Reimplemented in ROOT::Internal::TTreeReaderArrayBase.

Definition at line 148 of file TTreeReaderValue.cxx.

void * ROOT::Internal::TTreeReaderValueBase::GetAddress ( )

Returns the memory address of the object being read.

Definition at line 120 of file TTreeReaderValue.cxx.

const char * ROOT::Internal::TTreeReaderValueBase::GetBranchDataType ( TBranch *  branch,
TDictionary *&  dict 
) const
protected

Retrieve the type of data stored by branch; put its dictionary into dict, return its type name.

If no dictionary is available, at least its type name should be returned.

Definition at line 374 of file TTreeReaderValue.cxx.

const char* ROOT::Internal::TTreeReaderValueBase::GetBranchName ( ) const
inline

Definition at line 85 of file TTreeReaderValue.h.

virtual const char* ROOT::Internal::TTreeReaderValueBase::GetDerivedTypeName ( ) const
protectedpure virtual

Implemented in TTreeReaderValue< T >, TTreeReaderValue< Float_t >, TTreeReaderValue< Int_t >, TTreeReaderArray< T >, TTreeReaderArray< Float_t >, and TTreeReaderArray< Int_t >.

TLeaf * ROOT::Internal::TTreeReaderValueBase::GetLeaf ( )

If we are reading a leaf, return the corresponding TLeaf.

Definition at line 80 of file TTreeReaderValue.cxx.

Detail::TBranchProxy* ROOT::Internal::TTreeReaderValueBase::GetProxy ( ) const
inlineprotected

Definition at line 98 of file TTreeReaderValue.h.

virtual EReadStatus ROOT::Internal::TTreeReaderValueBase::GetReadStatus ( ) const
inlinevirtual

Reimplemented in ROOT::Internal::TTreeReaderArrayBase.

Definition at line 79 of file TTreeReaderValue.h.

ESetupStatus ROOT::Internal::TTreeReaderValueBase::GetSetupStatus ( ) const
inline

Definition at line 78 of file TTreeReaderValue.h.

Bool_t ROOT::Internal::TTreeReaderValueBase::IsValid ( ) const
inline

Definition at line 77 of file TTreeReaderValue.h.

void ROOT::Internal::TTreeReaderValueBase::MarkTreeReaderUnavailable ( )
inlineprotected

Definition at line 100 of file TTreeReaderValue.h.

ROOT::Internal::TTreeReaderValueBase::EReadStatus ROOT::Internal::TTreeReaderValueBase::ProxyRead ( )

Try to read the value from the TBranchProxy, returns the status of the read.

Definition at line 67 of file TTreeReaderValue.cxx.

Friends And Related Function Documentation

friend class ::TTreeReader
friend

Definition at line 116 of file TTreeReaderValue.h.

Member Data Documentation

TString ROOT::Internal::TTreeReaderValueBase::fBranchName
protected

Definition at line 102 of file TTreeReaderValue.h.

TDictionary* ROOT::Internal::TTreeReaderValueBase::fDict
protected

Definition at line 105 of file TTreeReaderValue.h.

TLeaf* ROOT::Internal::TTreeReaderValueBase::fLeaf
protected

Definition at line 107 of file TTreeReaderValue.h.

TString ROOT::Internal::TTreeReaderValueBase::fLeafName
protected

Definition at line 103 of file TTreeReaderValue.h.

Detail::TBranchProxy* ROOT::Internal::TTreeReaderValueBase::fProxy
protected

Definition at line 106 of file TTreeReaderValue.h.

EReadStatus ROOT::Internal::TTreeReaderValueBase::fReadStatus
protected

Definition at line 110 of file TTreeReaderValue.h.

ESetupStatus ROOT::Internal::TTreeReaderValueBase::fSetupStatus
protected

Definition at line 109 of file TTreeReaderValue.h.

std::vector<Long64_t> ROOT::Internal::TTreeReaderValueBase::fStaticClassOffsets
protected

Definition at line 111 of file TTreeReaderValue.h.

Long64_t ROOT::Internal::TTreeReaderValueBase::fTreeLastOffset
protected

Definition at line 108 of file TTreeReaderValue.h.

TTreeReader* ROOT::Internal::TTreeReaderValueBase::fTreeReader
protected

Definition at line 104 of file TTreeReaderValue.h.

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