A TLeaf for the general case when using the branches created via a TStreamerInfo (i.e.

Definition at line 32 of file TLeafElement.h.

Public Member Functions
	TLeafElement ()
	Default constructor for LeafObject.

	TLeafElement (TBranch parent, const char name, Int_t id, Int_t type)
	Create a LeafObject.

virtual	~TLeafElement ()
	Default destructor for a LeafObject.

virtual Bool_t	CanGenerateOffsetArray ()

virtual Int_t *	GenerateOffsetArrayBase (Int_t, Int_t)

virtual DeserializeType	GetDeserializeType () const
	Determine if this TLeafElement supports bulk IO.

virtual TString	GetFullName () const
	Return the full name (including the parent's branch names) of the leaf.

Int_t	GetID () const

virtual Int_t	GetLen () const
	Return the number of effective elements of this leaf, for the current entry.

virtual Int_t	GetMaximum () const

TMethodCall *	GetMethodCall (const char *name)
	Returns pointer to method corresponding to name name is a string with the general form "method(list of params)" If list of params is omitted, () is assumed;.

virtual Int_t	GetNdata () const

template<typename T >
T	GetTypedValueSubArray (Int_t i=0, Int_t j=0) const

virtual const char *	GetTypeName () const

virtual Double_t	GetValue (Int_t i=0) const

virtual Long64_t	GetValueLong64 (Int_t i=0) const

virtual LongDouble_t	GetValueLongDouble (Int_t i=0) const

virtual void *	GetValuePointer () const

virtual Bool_t	IncludeRange (TLeaf *)
	Copy/set fMinimum and fMaximum to include/be wide than those of the parameter.

virtual Bool_t	IsOnTerminalBranch () const
	Return true if this leaf is does not have any sub-branch/leaf.

virtual void	PrintValue (Int_t i=0) const

virtual bool	ReadBasketFast (TBuffer &, Long64_t)
	Deserialize N events from an input buffer.

virtual void	SetLeafCount (TLeaf *leaf)
	Set the leaf count of this leaf.

Public Member Functions inherited from TLeaf
	TLeaf ()

	TLeaf (TBranch parent, const char name, const char *type)
	Create a Leaf.

virtual	~TLeaf ()
	Destructor.

virtual void	Browse (TBrowser *b)
	Browse the content of this leaf.

virtual void	Export (TClonesArray *, Int_t)

virtual void	FillBasket (TBuffer &b)
	Pack leaf elements in Basket output buffer.

virtual Int_t *	GenerateOffsetArray (Int_t base, Int_t events)

TBranch *	GetBranch () const

virtual TLeaf *	GetLeafCount () const
	If this leaf stores a variable-sized array or a multi-dimensional array whose last dimension has variable size, return a pointer to the TLeaf that stores such size.

virtual TLeaf *	GetLeafCounter (Int_t &countval) const
	Return a pointer to the counter of this leaf (if any) or store the number of elements that the leaf contains in countval.

virtual const Counts_t *	GetLeafCountValues (Long64_t start, Long64_t len)
	If this branch is a branch count, return the set of collection size for the entry range requested start: first entry to read and return information about len: number of entries to read.

virtual Int_t	GetLenStatic () const
	Return the fixed length of this leaf.

virtual Int_t	GetLenType () const

virtual Int_t	GetMinimum () const

virtual Int_t	GetOffset () const

template<typename T >
T	GetTypedValue (Int_t i=0) const

virtual void	Import (TClonesArray *, Int_t)

virtual Bool_t	IsRange () const

virtual Bool_t	IsUnsigned () const

virtual void	ReadBasket (TBuffer &)

virtual void	ReadBasketExport (TBuffer &, TClonesArray *, Int_t)

virtual bool	ReadBasketSerialized (TBuffer &, Long64_t)

virtual void	ReadValue (std::istream &, Char_t=' ')

Int_t	ResetAddress (void *add, Bool_t calledFromDestructor=kFALSE)
	Helper routine for TLeafX::SetAddress.

virtual void	SetAddress (void *add=0)

virtual void	SetBranch (TBranch *branch)

virtual void	SetLen (Int_t len=1)

virtual void	SetOffset (Int_t offset=0)

virtual void	SetRange (Bool_t range=kTRUE)

virtual void	SetUnsigned ()

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TNamed &named)
	TNamed copy ctor.

	TNamed (const TString &name, const TString &title)

virtual	~TNamed ()
	TNamed destructor.

virtual void	Clear (Option_t *option="")
	Set name and title to empty strings ("").

virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility.

virtual Int_t	Compare (const TObject *obj) const
	Compare two TNamed objects.

virtual void	Copy (TObject &named) const
	Copy this to obj.

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.

virtual const char *	GetName () const
	Returns name of object.

virtual const char *	GetTitle () const
	Returns title of object.

virtual ULong_t	Hash () const
	Return hash value for this object.

virtual Bool_t	IsSortable () const

virtual void	ls (Option_t *option="") const
	List TNamed name and title.

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.

virtual void	Print (Option_t *option="") const
	Print TNamed name and title.

virtual void	SetName (const char *name)
	Set the name of the TNamed.

virtual void	SetNameTitle (const char name, const char title)
	Set all the TNamed parameters (name and title).

virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char *	ClassName () const
	Returns name of class to which the object belongs.

virtual void	Delete (Option_t *option="")
	Delete this object.

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.

virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad for instance with: `gROOT->SetSelectedPad(gPad)`.

virtual void	Dump () const
	Dump contents of object on stdout.

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message.

virtual void	Execute (const char method, const char params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray.

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message.

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.

virtual const char *	GetIconName () const
	Returns mime type name of object.

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).

virtual Option_t *	GetOption () const

virtual UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message.

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.

void	InvertBit (UInt_t f)

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification.

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.

void	operator delete (void *ptr)
	Operator delete.

void	operator delete[] (void *ptr)
	Operator delete [].

void *	operator new (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz)

void *	operator new[] (size_t sz, void *vp)

TObject &	operator= (const TObject &rhs)
	TObject assignment operator.

virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself.

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.

void	ResetBit (UInt_t f)

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename.

virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out".

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message.

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message.

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.

Protected Attributes
char *	fAbsAddress
	! Absolute leaf Address

std::atomic< EDataType >	fDataTypeCache {EDataType::kOther_t}
	! Cache of the EDataType of deserialization.

std::atomic< DeserializeType >	fDeserializeTypeCache { DeserializeType::kInvalid }
	! Cache of the type of deserialization.

Int_t	fID
	element serial number in fInfo

Int_t	fType
	leaf type

Protected Attributes inherited from TLeaf
TBranch *	fBranch
	! Pointer to supporting branch (we do not own the branch)

Bool_t	fIsRange
	(=kTRUE if leaf has a range, kFALSE otherwise). This is equivalent to being a 'leafcount'. For a TLeafElement the range information is actually store in the TBranchElement.

Bool_t	fIsUnsigned
	(=kTRUE if unsigned, kFALSE otherwise)

TLeaf *	fLeafCount
	Pointer to Leaf count if variable length (we do not own the counter)

LeafCountValues *	fLeafCountValues
	! Cache of collection/array sizes

Int_t	fLen
	Number of fixed length elements in the leaf's data.

Int_t	fLenType
	Number of bytes for this data type.

Int_t	fNdata
	! Number of elements in fAddress data buffer.

Int_t	fOffset
	Offset in ClonesArray object (if one)

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

Private Member Functions
virtual Int_t	GetOffsetHeaderSize () const

Additional Inherited Members
Public Types inherited from TLeaf
enum class	DeserializeType { kInvalid = 0 , kExternal , kDestructive = kExternal , kInPlace , kZeroCopy }

enum	EStatusBits { kIndirectAddress = BIT(11) , kNewValue = BIT(12) }

Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

enum	{ kSingleKey = BIT(0) , kOverwrite = BIT(1) , kWriteDelete = BIT(2) }

enum	EDeprecatedStatusBits { kObjInCanvas = BIT(3) }

enum	EStatusBits { kCanDelete = BIT(0) , kMustCleanup = BIT(3) , kIsReferenced = BIT(4) , kHasUUID = BIT(5) , kCannotPick = BIT(6) , kNoContextMenu = BIT(8) , kInvalidObject = BIT(13) }

Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag.

static Bool_t	GetObjectStat ()
	Get status of object stat flag.

static void	SetDtorOnly (void *obj)
	Set destructor only flag.

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Protected Types inherited from TLeaf
using	Counts_t = std::vector< Int_t >

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = BIT(3) }

Protected Member Functions inherited from TLeaf
	TLeaf (const TLeaf &)
	Copy constructor.

Int_t *	GenerateOffsetArrayBase (Int_t base, Int_t events) const
	If the class supports it, generate an offset array base.

TLeaf &	operator= (const TLeaf &)
	Assignment operator.

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

#include <TLeafElement.h>

Inheritance diagram for TLeafElement:

[legend]

Constructor & Destructor Documentation

◆ TLeafElement() [1/2]

TLeafElement::TLeafElement ( )

Default constructor for LeafObject.

Definition at line 30 of file TLeafElement.cxx.

◆ TLeafElement() [2/2]

TLeafElement::TLeafElement	(	TBranch *	parent,
		const char *	name,
		Int_t	id,
		Int_t	type
	)

Create a LeafObject.

Definition at line 40 of file TLeafElement.cxx.

◆ ~TLeafElement()

TLeafElement::~TLeafElement ( )

virtual

Default destructor for a LeafObject.

Definition at line 104 of file TLeafElement.cxx.

Member Function Documentation

◆ CanGenerateOffsetArray()

virtual Bool_t TLeafElement::CanGenerateOffsetArray ( )

inlinevirtual

Reimplemented from TLeaf.

Definition at line 49 of file TLeafElement.h.

◆ GenerateOffsetArrayBase()

virtual Int_t * TLeafElement::GenerateOffsetArrayBase	(	Int_t	,
		Int_t
	)

inlinevirtual

Definition at line 50 of file TLeafElement.h.

◆ GetDeserializeType()

TLeaf::DeserializeType TLeafElement::GetDeserializeType ( ) const

virtual

Determine if this TLeafElement supports bulk IO.

Reimplemented from TLeaf.

Definition at line 111 of file TLeafElement.cxx.

◆ GetFullName()

TString TLeafElement::GetFullName ( ) const

virtual

Return the full name (including the parent's branch names) of the leaf.

Reimplemented from TLeaf.

Definition at line 165 of file TLeafElement.cxx.

◆ GetID()

Int_t TLeafElement::GetID ( ) const

inline

Definition at line 53 of file TLeafElement.h.

◆ GetLen()

virtual Int_t TLeafElement::GetLen ( ) const

inlinevirtual

Return the number of effective elements of this leaf, for the current entry.

Reimplemented from TLeaf.

Definition at line 55 of file TLeafElement.h.

◆ GetMaximum()

virtual Int_t TLeafElement::GetMaximum ( ) const

inlinevirtual

Reimplemented from TLeaf.

Definition at line 57 of file TLeafElement.h.

◆ GetMethodCall()

TMethodCall * TLeafElement::GetMethodCall ( const char * name )

Returns pointer to method corresponding to name name is a string with the general form "method(list of params)" If list of params is omitted, () is assumed;.

Definition at line 157 of file TLeafElement.cxx.

◆ GetNdata()

virtual Int_t TLeafElement::GetNdata ( ) const

inlinevirtual

Reimplemented from TLeaf.

Definition at line 58 of file TLeafElement.h.

◆ GetOffsetHeaderSize()

virtual Int_t TLeafElement::GetOffsetHeaderSize ( ) const

inlineprivatevirtual

Reimplemented from TLeaf.

Definition at line 42 of file TLeafElement.h.

◆ GetTypedValueSubArray()

template<typename T >

T TLeafElement::GetTypedValueSubArray	(	Int_t	i = `0`,
		Int_t	j = `0`
	)		const

inline

Definition at line 64 of file TLeafElement.h.

◆ GetTypeName()

virtual const char * TLeafElement::GetTypeName ( ) const

inlinevirtual

Reimplemented from TLeaf.

Definition at line 59 of file TLeafElement.h.

◆ GetValue()

virtual Double_t TLeafElement::GetValue ( Int_t i = 0 ) const

inlinevirtual

Reimplemented from TLeaf.

Definition at line 61 of file TLeafElement.h.

◆ GetValueLong64()

virtual Long64_t TLeafElement::GetValueLong64 ( Int_t i = 0 ) const

inlinevirtual

Reimplemented from TLeaf.

Definition at line 62 of file TLeafElement.h.

◆ GetValueLongDouble()

virtual LongDouble_t TLeafElement::GetValueLongDouble ( Int_t i = 0 ) const

inlinevirtual

Reimplemented from TLeaf.

Definition at line 63 of file TLeafElement.h.

◆ GetValuePointer()

virtual void * TLeafElement::GetValuePointer ( ) const

inlinevirtual

Reimplemented from TLeaf.

Definition at line 68 of file TLeafElement.h.

◆ IncludeRange()

Bool_t TLeafElement::IncludeRange ( TLeaf * input )

virtual

Copy/set fMinimum and fMaximum to include/be wide than those of the parameter.

Reimplemented from TLeaf.

Definition at line 180 of file TLeafElement.cxx.

◆ IsOnTerminalBranch()

Bool_t TLeafElement::IsOnTerminalBranch ( ) const

virtual

Return true if this leaf is does not have any sub-branch/leaf.

Reimplemented from TLeaf.

Definition at line 194 of file TLeafElement.cxx.

◆ PrintValue()

virtual void TLeafElement::PrintValue ( Int_t i = 0 ) const

inlinevirtual

Reimplemented from TLeaf.

Definition at line 71 of file TLeafElement.h.

◆ ReadBasketFast()

Bool_t TLeafElement::ReadBasketFast	(	TBuffer &	input_buf,
		Long64_t	N
	)

virtual

Deserialize N events from an input buffer.

Reimplemented from TLeaf.

Definition at line 144 of file TLeafElement.cxx.

◆ SetLeafCount()

virtual void TLeafElement::SetLeafCount ( TLeaf * leaf )

inlinevirtual

Set the leaf count of this leaf.

Reimplemented from TLeaf.

Definition at line 72 of file TLeafElement.h.

Member Data Documentation

◆ fAbsAddress

char* TLeafElement::fAbsAddress

protected

! Absolute leaf Address

Definition at line 35 of file TLeafElement.h.

◆ fDataTypeCache

std::atomic<EDataType> TLeafElement::fDataTypeCache {EDataType::kOther_t}

mutableprotected

! Cache of the EDataType of deserialization.

Definition at line 39 of file TLeafElement.h.

◆ fDeserializeTypeCache

std::atomic<DeserializeType> TLeafElement::fDeserializeTypeCache { DeserializeType::kInvalid }

mutableprotected

! Cache of the type of deserialization.

Definition at line 38 of file TLeafElement.h.

◆ fID

Int_t TLeafElement::fID

protected

element serial number in fInfo

Definition at line 36 of file TLeafElement.h.

◆ fType

Int_t TLeafElement::fType

protected

leaf type

Definition at line 37 of file TLeafElement.h.

Libraries for TLeafElement:

[legend]

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

tree/tree/inc/TLeafElement.h
tree/tree/src/TLeafElement.cxx

Public Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TLeafElement() [1/2]

◆ TLeafElement() [2/2]

◆ ~TLeafElement()

Member Function Documentation

◆ CanGenerateOffsetArray()

◆ GenerateOffsetArrayBase()

◆ GetDeserializeType()

◆ GetFullName()

◆ GetID()

◆ GetLen()

◆ GetMaximum()

◆ GetMethodCall()

◆ GetNdata()

◆ GetOffsetHeaderSize()

◆ GetTypedValueSubArray()

◆ GetTypeName()

◆ GetValue()

◆ GetValueLong64()

◆ GetValueLongDouble()

◆ GetValuePointer()

◆ IncludeRange()

◆ IsOnTerminalBranch()

◆ PrintValue()

◆ ReadBasketFast()

◆ SetLeafCount()

Member Data Documentation

◆ fAbsAddress

◆ fDataTypeCache

◆ fDeserializeTypeCache

◆ fID

◆ fType