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TFormLeafInfoReference Class Reference

A small helper class to implement the following of reference objects stored in a TTree.

Definition at line 20 of file TFormLeafInfoReference.h.

Public Member Functions

 TFormLeafInfoReference (const TFormLeafInfoReference &orig)
 Copy constructor.
 
 TFormLeafInfoReference (TClass *classptr, TStreamerElement *element, int off)
 Initializing constructor.
 
 ~TFormLeafInfoReference () override
 Default destructor.
 
TFormLeafInfoDeepCopy () const override
 Virtual copy constructor.
 
TBranchGetBranch () const
 Access to the info's connected branch.
 
TClassGetClass () const override
 Access to target class pointer (if available)
 
Int_t GetCounterValue (TLeaf *leaf) override
 Return the current size of the array container.
 
void * GetLocalValuePointer (char *from, Int_t instance=0) override
 Return the address of the local value.
 
void * GetLocalValuePointer (TLeaf *from, Int_t instance=0) override
 Return the address of the local value.
 
virtual Int_t GetOffset () const
 Access to the offset of the data.
 
ProxyGetProxy () const
 Access to the info's proxy.
 
Double_t GetValue (TLeaf *leaf, Int_t instance=0) override
 Access value of referenced object (macro from TFormLeafInfo.g)
 
virtual TClassGetValueClass (TLeaf *from)
 Access to the value class of the reference proxy.
 
virtual TClassGetValueClass (void *from)
 Access to the value class from the object pointer.
 
template<typename T >
GetValueImpl (TLeaf *leaf, Int_t instance=0)
 Return result of a leafobject method.
 
Long64_t GetValueLong64 (TLeaf *leaf, Int_t instance=0) override
 
LongDouble_t GetValueLongDouble (TLeaf *leaf, Int_t instance=0) override
 
bool HasCounter () const override
 Return true if any of underlying data has a array size counter.
 
bool IsInteger () const override
 Return true only if the underlying data is an integral value.
 
bool IsReference () const override
 Return true only if the underlying data is a reference.
 
bool IsString () const override
 Return true only if the underlying data is a string.
 
TFormLeafInfoReferenceoperator= (const TFormLeafInfoReference &orig)
 Exception safe assignment operator.
 
Int_t ReadCounterValue (char *where) override
 Return the size of the underlying array for the current entry in the TTree.
 
Double_t ReadValue (char *where, Int_t instance=0) override
 Read value of referenced object.
 
template<typename T >
ReadValueImpl (char *where, Int_t instance=0)
 Execute the method on the given address.
 
Long64_t ReadValueLong64 (char *where, Int_t instance=0) override
 
LongDouble_t ReadValueLongDouble (char *where, Int_t instance=0) override
 
void SetBranch (TBranch *branch) override
 Access to the info's connected branch.
 
void Swap (TFormLeafInfoReference &other)
 Exception safe swap.
 
bool Update () override
 TFormLeafInfo overload: Update (and propagate) cached information.
 
- Public Member Functions inherited from TFormLeafInfo
 TFormLeafInfo (const TFormLeafInfo &orig)
 Constructor.
 
 TFormLeafInfo (TClass *classptr=nullptr, Longptr_t offset=0, TStreamerElement *element=nullptr)
 Constructor.
 
 ~TFormLeafInfo () override
 Delete this object and all its content.
 
virtual void AddOffset (Int_t offset, TStreamerElement *element)
 Increase the offset of this element.
 
virtual Int_t GetArrayLength ()
 Return the current length of the array.
 
Int_t GetMultiplicity ()
 Reminder of the meaning of fMultiplicity:
 
virtual Int_t GetNdata ()
 Get the number of element in the entry.
 
Int_t GetNdata (TLeaf *leaf)
 
char * GetObjectAddress (TLeafElement *leaf, Int_t &instance)
 Returns the location of the object pointed to.
 
virtual Int_t GetPrimaryIndex ()
 Method for multiple variable dimensions.
 
virtual Int_t GetSize (Int_t index)
 For the current entry, and the value 'index' for the main array, return the size of the secondary variable dimension of the 'array'.
 
virtual Int_t GetSumOfSizes ()
 Total all the elements that are available for the current entry for the secondary variable dimension.
 
template<typename T >
GetTypedValue (TLeaf *leaf, Int_t instance=0)
 
template<typename T >
GetValueImpl (TLeaf *leaf, Int_t instance=0)
 Return result of a leafobject method.
 
virtual void * GetValuePointer (char *from, Int_t instance=0)
 returns the address of the value pointed to by the TFormLeafInfo.
 
virtual void * GetValuePointer (TLeaf *leaf, Int_t instance=0)
 returns the address of the value pointed to by the serie of TFormLeafInfo.
 
virtual Int_t GetVarDim ()
 Return the index of the dimension which varies for each elements of an enclosing array (typically a TClonesArray)
 
virtual Int_t GetVirtVarDim ()
 Return the virtual index (for this expression) of the dimension which varies for each elements of an enclosing array (typically a TClonesArray)
 
virtual void LoadSizes (TBranch *branch)
 Load the current array sizes.
 
TFormLeafInfooperator= (const TFormLeafInfo &orig)
 Exception safe assignment operator.
 
template<typename T >
ReadTypedValue (char *where, Int_t instance=0)
 
template<typename T >
ReadValueImpl (char *where, Int_t instance=0)
 Read the value at the given memory location.
 
virtual void SetPrimaryIndex (Int_t index)
 Set the primary index value.
 
virtual void SetSecondaryIndex (Int_t index)
 Set the primary index value.
 
virtual void SetSize (Int_t index, Int_t val)
 Set the current size of the arrays.
 
void Swap (TFormLeafInfo &other)
 
virtual void UpdateSizes (TArrayI *garr)
 Set the current sizes of the arrays.
 
- 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.
 
virtual void Browse (TBrowser *b)
 Browse object. May be overridden for another default action.
 
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 Clear (Option_t *="")
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility.
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method.
 
virtual void Copy (TObject &object) const
 Copy this to obj.
 
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 TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1).
 
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=nullptr)
 Execute method on this object with the given parameter string, e.g.
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=nullptr)
 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 TObjectFindObject (const char *name) const
 Must be redefined in derived classes.
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes.
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object.
 
virtual const char * GetIconName () const
 Returns mime type name of object.
 
virtual const char * GetName () const
 Returns 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_tGetOption () const
 
virtual const char * GetTitle () const
 Returns title of object.
 
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.
 
virtual ULong_t Hash () const
 Return hash value for this object.
 
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 TClassIsA () const
 
Bool_t IsDestructed () const
 IsDestructed.
 
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
 
virtual Bool_t IsSortable () const
 
R__ALWAYS_INLINE Bool_t IsZombie () const
 
virtual void ls (Option_t *option="") const
 The ls function lists the contents of a class on stdout.
 
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 (the base implementation is no-op).
 
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, void *vp)
 Only called by placement new when throwing an exception.
 
void operator delete[] (void *ptr)
 Operator delete [].
 
void operator delete[] (void *ptr, void *vp)
 Only called by placement new[] when throwing an exception.
 
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)
 
TObjectoperator= (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 void Print (Option_t *option="") const
 This method must be overridden when a class wants to print itself.
 
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 Streamer (TBuffer &)
 Stream an object of class TObject.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
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=nullptr, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory.
 
virtual Int_t Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory.
 

Public Attributes

TBranchfBranch
 ! Cached pointer to branch object
 
ProxyfProxy
 ! Cached pointer to reference proxy
 
- Public Attributes inherited from TFormLeafInfo
TClassfClass
 ! This is the class of the data pointed to
 
TString fClassName
 
TFormLeafInfofCounter
 
TStreamerElementfElement
 ! Descriptor of the data pointed to.
 
TString fElementName
 
TFormLeafInfofNext
 follow this to grab the inside information
 
Longptr_t fOffset
 ! Offset of the data pointed inside the class fClass
 

Private Types

typedef TVirtualRefProxy Proxy
 

Additional Inherited Members

- Public Types inherited from TObject
enum  {
  kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 ,
  kBitMask = 0x00ffffff
}
 
enum  { kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }
 
enum  EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }
 
enum  EStatusBits {
  kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) ,
  kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 ))
}
 
- Static Public Member Functions inherited from TObject
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static Longptr_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 TObject
enum  { kOnlyPrepStep = (1ULL << ( 3 )) }
 
- 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 ()
 
- Protected Attributes inherited from TFormLeafInfo
Int_t fMultiplicity
 

#include <TFormLeafInfoReference.h>

Inheritance diagram for TFormLeafInfoReference:
[legend]

Member Typedef Documentation

◆ Proxy

Definition at line 21 of file TFormLeafInfoReference.h.

Constructor & Destructor Documentation

◆ TFormLeafInfoReference() [1/2]

TFormLeafInfoReference::TFormLeafInfoReference ( TClass classptr,
TStreamerElement element,
int  off 
)

Initializing constructor.

Constructor.

Definition at line 26 of file TFormLeafInfoReference.cxx.

◆ TFormLeafInfoReference() [2/2]

TFormLeafInfoReference::TFormLeafInfoReference ( const TFormLeafInfoReference orig)

Copy constructor.

Definition at line 40 of file TFormLeafInfoReference.cxx.

◆ ~TFormLeafInfoReference()

TFormLeafInfoReference::~TFormLeafInfoReference ( )
override

Default destructor.

Destructor.

Definition at line 54 of file TFormLeafInfoReference.cxx.

Member Function Documentation

◆ DeepCopy()

TFormLeafInfo * TFormLeafInfoReference::DeepCopy ( ) const
overridevirtual

Virtual copy constructor.

Reimplemented from TFormLeafInfo.

Definition at line 82 of file TFormLeafInfoReference.cxx.

◆ GetBranch()

TBranch * TFormLeafInfoReference::GetBranch ( ) const
inline

Access to the info's connected branch.

Definition at line 42 of file TFormLeafInfoReference.h.

◆ GetClass()

TClass * TFormLeafInfoReference::GetClass ( ) const
overridevirtual

Access to target class pointer (if available)

Reimplemented from TFormLeafInfo.

Definition at line 90 of file TFormLeafInfoReference.cxx.

◆ GetCounterValue()

Int_t TFormLeafInfoReference::GetCounterValue ( TLeaf leaf)
overridevirtual

Return the current size of the array container.

Reimplemented from TFormLeafInfo.

Definition at line 124 of file TFormLeafInfoReference.cxx.

◆ GetLocalValuePointer() [1/2]

void * TFormLeafInfoReference::GetLocalValuePointer ( char *  from,
Int_t  instance = 0 
)
overridevirtual

Return the address of the local value.

Access value of referenced object.

Reimplemented from TFormLeafInfo.

Definition at line 191 of file TFormLeafInfoReference.cxx.

◆ GetLocalValuePointer() [2/2]

void * TFormLeafInfoReference::GetLocalValuePointer ( TLeaf from,
Int_t  instance = 0 
)
overridevirtual

Return the address of the local value.

This is implemented here because some compiler want ALL the signature of an overloaded function to be re-implemented.

Reimplemented from TFormLeafInfo.

Definition at line 182 of file TFormLeafInfoReference.cxx.

◆ GetOffset()

virtual Int_t TFormLeafInfoReference::GetOffset ( ) const
inlinevirtual

Access to the offset of the data.

Definition at line 47 of file TFormLeafInfoReference.h.

◆ GetProxy()

Proxy * TFormLeafInfoReference::GetProxy ( ) const
inline

Access to the info's proxy.

Definition at line 40 of file TFormLeafInfoReference.h.

◆ GetValue()

Double_t TFormLeafInfoReference::GetValue ( TLeaf leaf,
Int_t  instance = 0 
)
inlineoverridevirtual

Access value of referenced object (macro from TFormLeafInfo.g)

Reimplemented from TFormLeafInfo.

Definition at line 72 of file TFormLeafInfoReference.h.

◆ GetValueClass() [1/2]

TClass * TFormLeafInfoReference::GetValueClass ( TLeaf from)
virtual

Access to the value class of the reference proxy.

Definition at line 141 of file TFormLeafInfoReference.cxx.

◆ GetValueClass() [2/2]

TClass * TFormLeafInfoReference::GetValueClass ( void *  from)
virtual

Access to the value class from the object pointer.

Access to the value class of the reference proxy.

Definition at line 149 of file TFormLeafInfoReference.cxx.

◆ GetValueImpl()

template<typename T >
template LongDouble_t TFormLeafInfoReference::GetValueImpl< LongDouble_t > ( TLeaf leaf,
Int_t  instance = 0 
)

Return result of a leafobject method.

Definition at line 168 of file TFormLeafInfoReference.cxx.

◆ GetValueLong64()

Long64_t TFormLeafInfoReference::GetValueLong64 ( TLeaf leaf,
Int_t  instance = 0 
)
inlineoverridevirtual

Reimplemented from TFormLeafInfo.

Definition at line 72 of file TFormLeafInfoReference.h.

◆ GetValueLongDouble()

LongDouble_t TFormLeafInfoReference::GetValueLongDouble ( TLeaf leaf,
Int_t  instance = 0 
)
inlineoverridevirtual

Reimplemented from TFormLeafInfo.

Definition at line 72 of file TFormLeafInfoReference.h.

◆ HasCounter()

bool TFormLeafInfoReference::HasCounter ( ) const
overridevirtual

Return true if any of underlying data has a array size counter.

Reimplemented from TFormLeafInfo.

Definition at line 98 of file TFormLeafInfoReference.cxx.

◆ IsInteger()

bool TFormLeafInfoReference::IsInteger ( ) const
inlineoverridevirtual

Return true only if the underlying data is an integral value.

Reimplemented from TFormLeafInfo.

Definition at line 49 of file TFormLeafInfoReference.h.

◆ IsReference()

bool TFormLeafInfoReference::IsReference ( ) const
inlineoverridevirtual

Return true only if the underlying data is a reference.

Reimplemented from TFormLeafInfo.

Definition at line 53 of file TFormLeafInfoReference.h.

◆ IsString()

bool TFormLeafInfoReference::IsString ( ) const
inlineoverridevirtual

Return true only if the underlying data is a string.

Reimplemented from TFormLeafInfo.

Definition at line 51 of file TFormLeafInfoReference.h.

◆ operator=()

TFormLeafInfoReference & TFormLeafInfoReference::operator= ( const TFormLeafInfoReference orig)

Exception safe assignment operator.

Definition at line 72 of file TFormLeafInfoReference.cxx.

◆ ReadCounterValue()

Int_t TFormLeafInfoReference::ReadCounterValue ( char *  where)
overridevirtual

Return the size of the underlying array for the current entry in the TTree.

Reimplemented from TFormLeafInfo.

Definition at line 107 of file TFormLeafInfoReference.cxx.

◆ ReadValue()

Double_t TFormLeafInfoReference::ReadValue ( char *  where,
Int_t  instance = 0 
)
inlineoverridevirtual

Read value of referenced object.

Reimplemented from TFormLeafInfo.

Definition at line 74 of file TFormLeafInfoReference.h.

◆ ReadValueImpl()

template<typename T >
template LongDouble_t TFormLeafInfoReference::ReadValueImpl< LongDouble_t > ( char *  where,
Int_t  instance = 0 
)

Execute the method on the given address.

Definition at line 209 of file TFormLeafInfoReference.cxx.

◆ ReadValueLong64()

Long64_t TFormLeafInfoReference::ReadValueLong64 ( char *  where,
Int_t  instance = 0 
)
inlineoverridevirtual

Reimplemented from TFormLeafInfo.

Definition at line 74 of file TFormLeafInfoReference.h.

◆ ReadValueLongDouble()

LongDouble_t TFormLeafInfoReference::ReadValueLongDouble ( char *  where,
Int_t  instance = 0 
)
inlineoverridevirtual

Reimplemented from TFormLeafInfo.

Definition at line 74 of file TFormLeafInfoReference.h.

◆ SetBranch()

void TFormLeafInfoReference::SetBranch ( TBranch branch)
inlineoverridevirtual

Access to the info's connected branch.

Reimplemented from TFormLeafInfo.

Definition at line 44 of file TFormLeafInfoReference.h.

◆ Swap()

void TFormLeafInfoReference::Swap ( TFormLeafInfoReference other)

Exception safe swap.

Definition at line 62 of file TFormLeafInfoReference.cxx.

◆ Update()

bool TFormLeafInfoReference::Update ( )
overridevirtual

TFormLeafInfo overload: Update (and propagate) cached information.

Reimplemented from TFormLeafInfo.

Definition at line 157 of file TFormLeafInfoReference.cxx.

Member Data Documentation

◆ fBranch

TBranch* TFormLeafInfoReference::fBranch

! Cached pointer to branch object

Definition at line 24 of file TFormLeafInfoReference.h.

◆ fProxy

Proxy* TFormLeafInfoReference::fProxy

! Cached pointer to reference proxy

Definition at line 23 of file TFormLeafInfoReference.h.

Libraries for TFormLeafInfoReference:

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