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RooRefCountList Class Reference

A RooRefCountList is a RooLinkedList that keeps a reference counter with each added node.

Multiple Add()s of the same object will increase the counter instead of adding multiple copies. Remove() decrements the reference count until zero, when the object is actually removed.

Definition at line 21 of file RooRefCountList.h.

Public Member Functions

 RooRefCountList ()
 Default constructor construct lists with initial hash table size of 17. More...
 
virtual ~RooRefCountList ()
 
virtual void Add (TObject *arg)
 
virtual void Add (TObject *obj, Int_t count)
 Add object to list with given reference count increment List takes ownership of object. More...
 
virtual Bool_t Remove (TObject *obj)
 Remove object from list and if reference count reaches zero delete object itself as well. More...
 
virtual Bool_t RemoveAll (TObject *obj)
 Remove object from list and delete object itself regardless of reference count. More...
 
Int_t refCount (TObject *obj)
 Return reference count associated with 'obj'. More...
 
- Public Member Functions inherited from RooLinkedList
 RooLinkedList (Int_t htsize=0)
 
 RooLinkedList (const RooLinkedList &other)
 Copy constructor. More...
 
virtual TObjectClone (const char *=0) const
 Make a clone of an object using the Streamer facility. More...
 
RooLinkedListoperator= (const RooLinkedList &other)
 Assignment operator, copy contents from 'other'. More...
 
Int_t getHashTableSize () const
 
void setHashTableSize (Int_t size)
 Change the threshold for hash-table use to given size. More...
 
virtual ~RooLinkedList ()
 Destructor. More...
 
Int_t GetSize () const
 
TObjectAt (Int_t index) const
 Return object stored in sequential position given by index. More...
 
Bool_t Replace (const TObject *oldArg, const TObject *newArg)
 Replace object 'oldArg' in collection with new object 'newArg'. More...
 
TIteratorMakeIterator (Bool_t dir=kTRUE) const
 Return an iterator over this list. More...
 
RooLinkedListIter iterator (Bool_t dir=kTRUE) const
 
RooFIter fwdIterator () const
 
void Clear (Option_t *o=0)
 Remove all elements from collection. More...
 
void Delete (Option_t *o=0)
 Remove all elements in collection and delete all elements NB: Collection does not own elements, this function should be used judiciously by caller. More...
 
TObjectfind (const char *name) const
 Return pointer to object with given name in collection. More...
 
RooAbsArgfindArg (const RooAbsArg *) const
 Return pointer to object with given name in collection. More...
 
TObjectFindObject (const char *name) const
 Return pointer to obejct with given name. More...
 
TObjectFindObject (const TObject *obj) const
 Find object in list. More...
 
Int_t IndexOf (const char *name) const
 Return position of given object in list. More...
 
Int_t IndexOf (const TObject *arg) const
 Return position of given object in list. More...
 
TObjectFirst () const
 
void Print (const char *opt) const
 Print contents of list, defers to Print() function of contained objects. More...
 
void Sort (Bool_t ascend=kTRUE)
 
const char * GetName () const
 Returns name of object. More...
 
void SetName (const char *name)
 
void useNptr (Bool_t flag)
 
ULong_t Hash () const
 Return hash value for this object. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
virtual void Browse (TBrowser *b)
 Browse object. May be overridden for another default action. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method. More...
 
virtual void Copy (TObject &object) const
 Copy this to obj. 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 pad. More...
 
virtual void Dump () const
 Dump contents of object on stdout. 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 Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual Option_tGetOption () const
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. 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...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
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 IsSortable () const
 
Bool_t IsOnHeap () const
 
Bool_t IsZombie () const
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
virtual void ls (Option_t *option="") const
 The ls function lists the contents of a class on stdout. 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...
 
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...
 
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 UseCurrentStyle ()
 Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. 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...
 
voidoperator new (size_t sz)
 
voidoperator new[] (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz, void *vp)
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
void ResetBit (UInt_t f)
 
Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
void InvertBit (UInt_t f)
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. 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...
 
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...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 

Additional Inherited Members

- Public Types inherited from TObject
enum  EStatusBits {
  kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4),
  kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13)
}
 
enum  { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 
- Protected Member Functions inherited from RooLinkedList
RooLinkedListElemcreateElement (TObject *obj, RooLinkedListElem *elem=0)
 cout << "RooLinkedList::createElem(" << this << ") obj = " << obj << " elem = " << elem << endl ; More...
 
void deleteElement (RooLinkedListElem *)
 
RooLinkedListElemfindLink (const TObject *arg) const
 Find the element link containing the given object. More...
 
- Protected Member Functions inherited from TObject
void MakeZombie ()
 
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 
- Protected Attributes inherited from RooLinkedList
Int_t _hashThresh
 
Int_t _size
 
RooLinkedListElem_first
 
RooLinkedListElem_last
 Link to first element of list. More...
 
RooHashTable_htableName
 Link to last element of list. More...
 
RooHashTable_htableLink
 Hash table by name. More...
 
TString _name
 Hash table by link pointer. More...
 
Bool_t _useNptr
 

#include <RooRefCountList.h>

Inheritance diagram for RooRefCountList:
[legend]

Constructor & Destructor Documentation

RooRefCountList::RooRefCountList ( )

Default constructor construct lists with initial hash table size of 17.

Definition at line 46 of file RooRefCountList.cxx.

virtual RooRefCountList::~RooRefCountList ( )
inlinevirtual

Definition at line 24 of file RooRefCountList.h.

Member Function Documentation

virtual void RooRefCountList::Add ( TObject arg)
inlinevirtual

Reimplemented from RooLinkedList.

Definition at line 26 of file RooRefCountList.h.

Referenced by Add(), RooAbsArg::addServer(), and RooAbsArg::changeServer().

void RooRefCountList::Add ( TObject obj,
Int_t  count 
)
virtual

Add object to list with given reference count increment List takes ownership of object.

Reimplemented from RooLinkedList.

Definition at line 57 of file RooRefCountList.cxx.

Int_t RooRefCountList::refCount ( TObject obj)

Return reference count associated with 'obj'.

Definition at line 112 of file RooRefCountList.cxx.

Referenced by RooAbsArg::changeServer(), and RooAbsArg::replaceServer().

Bool_t RooRefCountList::Remove ( TObject obj)
virtual

Remove object from list and if reference count reaches zero delete object itself as well.

Reimplemented from RooLinkedList.

Definition at line 81 of file RooRefCountList.cxx.

Referenced by RooAbsArg::removeServer().

Bool_t RooRefCountList::RemoveAll ( TObject obj)
virtual

Remove object from list and delete object itself regardless of reference count.

Definition at line 102 of file RooRefCountList.cxx.

Referenced by RooAbsArg::changeServer(), and RooAbsArg::removeServer().

Collaboration diagram for RooRefCountList:
[legend]

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