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Reference Guide
TLeafElement Class Reference

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

Definition at line 32 of file TLeafElement.h.

Public Member Functions

 TLeafElement ()
 Default constructor for LeafObject. More...
 
 TLeafElement (TBranch *parent, const char *name, Int_t id, Int_t type)
 Create a LeafObject. More...
 
virtual ~TLeafElement ()
 Default destructor for a LeafObject. More...
 
virtual Bool_t CanGenerateOffsetArray ()
 
virtual Int_tGenerateOffsetArrayBase (Int_t, Int_t)
 
virtual DeserializeType GetDeserializeType () const
 Determine if this TLeafElement supports bulk IO. More...
 
virtual TString GetFullName () const
 Return the full name (including the parent's branch names) of the leaf. More...
 
virtual Int_t GetLen () const
 Return the number of effective elements of this leaf, for the current entry. More...
 
virtual Int_t GetMaximum () const
 
TMethodCallGetMethodCall (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;. More...
 
virtual Int_t GetNdata () const
 
template<typename 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 voidGetValuePointer () const
 
virtual Bool_t IncludeRange (TLeaf *)
 Copy/set fMinimum and fMaximum to include/be wide than those of the parameter. More...
 
virtual Bool_t IsOnTerminalBranch () const
 Return true if this leaf is does not have any sub-branch/leaf. More...
 
virtual void PrintValue (Int_t i=0) const
 
virtual bool ReadBasketFast (TBuffer &, Long64_t)
 Deserialize N events from an input buffer. More...
 
virtual bool ReadBasketSerialized (TBuffer &, Long64_t)
 
virtual void SetLeafCount (TLeaf *leaf)
 Set the leaf count of this leaf. More...
 
- Public Member Functions inherited from TLeaf
 TLeaf ()
 
 TLeaf (TBranch *parent, const char *name, const char *type)
 Create a Leaf. More...
 
virtual ~TLeaf ()
 Destructor. More...
 
virtual void Browse (TBrowser *b)
 Browse the content of this leaf. More...
 
virtual void Export (TClonesArray *, Int_t)
 
virtual void FillBasket (TBuffer &b)
 Pack leaf elements in Basket output buffer. More...
 
virtual Int_tGenerateOffsetArray (Int_t base, Int_t events)
 
TBranchGetBranch () const
 
virtual TLeafGetLeafCount () 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. More...
 
virtual TLeafGetLeafCounter (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. More...
 
virtual const Counts_tGetLeafCountValues (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. More...
 
virtual Int_t GetLenStatic () const
 Return the fixed length of this leaf. More...
 
virtual Int_t GetLenType () const
 
virtual Int_t GetMinimum () const
 
virtual Int_t GetOffset () const
 
template<typename 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 void ReadValue (std::istream &, Char_t=' ')
 
Int_t ResetAddress (void *add, Bool_t destructor=kFALSE)
 Helper routine for TLeafX::SetAddress. More...
 
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. More...
 
 TNamed (const TString &name, const TString &title)
 
virtual ~TNamed ()
 TNamed destructor. More...
 
virtual void Clear (Option_t *option="")
 Set name and title to empty strings (""). More...
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare two TNamed objects. More...
 
virtual void Copy (TObject &named) const
 Copy this to obj. More...
 
virtual void FillBuffer (char *&buffer)
 Encode TNamed into output buffer. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
virtual Bool_t IsSortable () const
 
virtual void ls (Option_t *option="") const
 List TNamed name and title. More...
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
virtual void Print (Option_t *option="") const
 Print TNamed name and title. More...
 
virtual void SetName (const char *name)
 Set the name of the TNamed. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Set all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Set the title of the TNamed. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
void AbstractMethod (const char *method) const
 Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
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. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void Draw (Option_t *option="")
 Default Draw method for all objects. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
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. More...
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
 Execute method on this object with parameters stored in the TObjArray. More...
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py). More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
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. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual Bool_t InheritsFrom (const char *classname) const
 Returns kTRUE if object inherits from class "classname". More...
 
virtual Bool_t InheritsFrom (const TClass *cl) const
 Returns kTRUE if object inherits from TClass cl. More...
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas. More...
 
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). More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
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). More...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list. More...
 
void ResetBit (UInt_t f)
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename. More...
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". More...
 
void SetBit (UInt_t f)
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
virtual void SetDrawOption (Option_t *option="")
 Set drawing option for object. More...
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
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. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 

Protected Attributes

char * fAbsAddress
 ! Absolute leaf Address More...
 
std::atomic< EDataTypefDataTypeCache {EDataType::kOther_t}
 ! Cache of the EDataType of deserialization. More...
 
std::atomic< DeserializeTypefDeserializeTypeCache { DeserializeType::kInvalid }
 ! Cache of the type of deserialization. More...
 
Int_t fID
 element serial number in fInfo More...
 
Int_t fType
 leaf type More...
 
- Protected Attributes inherited from TLeaf
TBranchfBranch
 ! Pointer to supporting branch (we do not own the branch) More...
 
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. More...
 
Bool_t fIsUnsigned
 (=kTRUE if unsigned, kFALSE otherwise) More...
 
TLeaffLeafCount
 Pointer to Leaf count if variable length (we do not own the counter) More...
 
LeafCountValuesfLeafCountValues
 ! Cache of collection/array sizes More...
 
Int_t fLen
 Number of fixed length elements in the leaf's data. More...
 
Int_t fLenType
 Number of bytes for this data type. More...
 
Int_t fNdata
 ! Number of elements in fAddress data buffer. More...
 
Int_t fOffset
 Offset in ClonesArray object (if one) More...
 
- 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  DeserializeType { DeserializeType::kInvalid = 0, DeserializeType::kDestructive, DeserializeType::kInPlace, DeserializeType::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. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 
- Protected Types inherited from TLeaf
using Counts_t = std::vector< Int_t >
 
- Protected Member Functions inherited from TLeaf
 TLeaf (const TLeaf &)
 Copy constructor. More...
 
Int_tGenerateOffsetArrayBase (Int_t base, Int_t events) const
 If the class supports it, generate an offset array base. More...
 
TLeafoperator= (const TLeaf &)
 Assignment operator. More...
 
- 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). More...
 
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 163 of file TLeafElement.cxx.

◆ 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 54 of file TLeafElement.h.

◆ GetMaximum()

virtual Int_t TLeafElement::GetMaximum ( ) const
inlinevirtual

Reimplemented from TLeaf.

Definition at line 56 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 155 of file TLeafElement.cxx.

◆ GetNdata()

virtual Int_t TLeafElement::GetNdata ( ) const
inlinevirtual

Reimplemented from TLeaf.

Definition at line 57 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 63 of file TLeafElement.h.

◆ GetTypeName()

virtual const char* TLeafElement::GetTypeName ( ) const
inlinevirtual

Reimplemented from TLeaf.

Definition at line 58 of file TLeafElement.h.

◆ GetValue()

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

Reimplemented from TLeaf.

Definition at line 60 of file TLeafElement.h.

◆ GetValueLong64()

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

Reimplemented from TLeaf.

Definition at line 61 of file TLeafElement.h.

◆ GetValueLongDouble()

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

Reimplemented from TLeaf.

Definition at line 62 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 171 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 185 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.

◆ ReadBasketSerialized()

virtual bool TLeafElement::ReadBasketSerialized ( TBuffer ,
Long64_t   
)
inlinevirtual

Reimplemented from TLeaf.

Definition at line 66 of file TLeafElement.h.

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