TTreeReaderArray< T > Class Template Reference

template<typename T>
class TTreeReaderArray< T >

Extracts array data from a TTree.

Definition at line 62 of file TTreeReaderArray.h.

Classes
struct	Iterator_t

Public Types
typedef Iterator_t	iterator
Public Types inherited from ROOT::Internal::TTreeReaderValueBase
enum	EReadStatus { kReadSuccess = 0, kReadNothingYet, kReadError }
enum	ESetupStatus {   kSetupNotSetup = -7, kSetupTreeDestructed = -8, kSetupMakeClassModeMismatch = -7, kSetupMissingCounterBranch = -6,   kSetupMissingBranch = -5, kSetupInternalError = -4, kSetupMissingDictionary = -3, kSetupMismatch = -2,   kSetupNotACollection = -1, kSetupMatch = 0, kSetupMatchBranch = 0, kSetupNoCheck = 5,   kSetupMatchLeaf = 6 }

Public Member Functions
	TTreeReaderArray (TTreeReader &tr, const char *branchname)
T &	At (size_t idx)
Iterator_t	begin ()
Iterator_t	end () const
T &	operator[] (size_t idx)
Public Member Functions inherited from ROOT::Internal::TTreeReaderArrayBase
	TTreeReaderArrayBase (TTreeReader *reader, const char *branchname, TDictionary *dict)
virtual EReadStatus	GetReadStatus () const
size_t	GetSize () const
Bool_t	IsEmpty () const
Public Member Functions inherited from ROOT::Internal::TTreeReaderValueBase
virtual	~TTreeReaderValueBase ()
	Unregister from tree reader, cleanup. More...
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...
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
virtual const char *	GetDerivedTypeName () const
Protected Member Functions inherited from ROOT::Internal::TTreeReaderArrayBase
virtual void	CreateProxy ()
	Create the proxy object for our branch. More...
bool	GetBranchAndLeaf (TBranch *&branch, TLeaf *&myLeaf, TDictionary *&branchActualType)
	Determine the branch / leaf and its type; reset fProxy / fSetupStatus on error. More...
const char *	GetBranchContentDataType (TBranch *branch, TString &contentTypeName, TDictionary *&dict)
	Access a branch's collection content (not the collection itself) through a proxy. More...
void	SetImpl (TBranch *branch, TLeaf *myLeaf)
	Create the TVirtualCollectionReader object for our branch. More...
void *	UntypedAt (size_t idx) const
Protected Member Functions inherited from ROOT::Internal::TTreeReaderValueBase
	TTreeReaderValueBase (TTreeReader *reader=0, const char *branchname=0, TDictionary *dict=0)
	Construct a tree value reader and register it with the reader object. More...
	TTreeReaderValueBase (const TTreeReaderValueBase &)
	Copy-construct. 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...
Detail::TBranchProxy *	GetProxy () const
void	MarkTreeReaderUnavailable ()
void	NotifyNewTree (TTree *newTree)
	The TTreeReader has switched to a new TTree. Update the leaf. More...
TTreeReaderValueBase &	operator= (const TTreeReaderValueBase &)
	Copy-assign. More...
void	RegisterWithTreeReader ()
	Register with tree reader. More...

Additional Inherited Members
Static Protected Member Functions inherited from ROOT::Internal::TTreeReaderValueBase
static std::string	GetElementTypeName (const std::type_info &ti)
	Stringify the template argument. More...
Protected Attributes inherited from ROOT::Internal::TTreeReaderArrayBase
TVirtualCollectionReader *	fImpl
Protected Attributes inherited from ROOT::Internal::TTreeReaderValueBase
TString	fBranchName
TDictionary *	fDict
TLeaf *	fLeaf
TString	fLeafName
Detail::TBranchProxy *	fProxy
EReadStatus	fReadStatus
ESetupStatus	fSetupStatus
std::vector< Long64_t >	fStaticClassOffsets
TTreeReader *	fTreeReader

#include <TTreeReaderArray.h>

Inheritance diagram for TTreeReaderArray< T >:

Member Typedef Documentation

iterator

template<typename T>

typedef Iterator_t TTreeReaderArray< T >::iterator

Definition at line 122 of file TTreeReaderArray.h.

Constructor & Destructor Documentation

TTreeReaderArray()

template<typename T>

TTreeReaderArray< T >::TTreeReaderArray ( TTreeReader &  tr, const char *  branchname  )

inline

Definition at line 124 of file TTreeReaderArray.h.

Member Function Documentation

At()

template<typename T>

T& TTreeReaderArray< T >::At ( size_t  idx )

inline

Definition at line 130 of file TTreeReaderArray.h.

begin()

template<typename T>

Iterator_t TTreeReaderArray< T >::begin ( )

inline

Definition at line 133 of file TTreeReaderArray.h.

end()

template<typename T>

Iterator_t TTreeReaderArray< T >::end ( ) const

inline

Definition at line 138 of file TTreeReaderArray.h.

GetDerivedTypeName()

template<typename T>

virtual const char* TTreeReaderArray< T >::GetDerivedTypeName ( ) const

inlineprotectedvirtual

Implements ROOT::Internal::TTreeReaderValueBase.

Definition at line 142 of file TTreeReaderArray.h.

operator[]()

template<typename T>

T& TTreeReaderArray< T >::operator[] ( size_t  idx )

inline

Definition at line 131 of file TTreeReaderArray.h.

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

• tree/treeplayer/inc/TTreeReaderArray.h