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ROOT
Reference Guide |
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ROOT
Reference Guide |
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This class registers all instances of TObject and its derived classes in a hash table.
The Add() and Remove() members are called from the TObject ctor and dtor, respectively. Using the Print() member one can see all currently active objects in the system. Using the resource (in .rootrc): Root.ObjectStat one can toggle this feature on or off.
Using the compile option R__NOSTATS one can de-active this feature for the entire system (for maximum performance in highly time critical applications).
The following output has been produced in a ROOT interactive session via the command gObjectTable->Print()
Definition at line 35 of file TObjectTable.h.
Public Member Functions | |
| TObjectTable (Int_t tableSize=100) | |
| Create an object table. More... | |
| ~TObjectTable () | |
| Delete TObjectTable. More... | |
| void | Add (TObject *obj) |
| Add an object to the object table. More... | |
| void * | CheckPtrAndWarn (const char *msg, void *vp) |
| Issue a warning in case an object still appears in the table while it should not. More... | |
| void | Delete (Option_t *opt="") |
| Delete all objects stored in the TObjectTable. More... | |
| Int_t | GetSize () const |
| Int_t | Instances () const |
| void | InstanceStatistics () const |
| Print the object table. More... | |
| void | Print (Option_t *option="") const |
| Print the object table. More... | |
| Bool_t | PtrIsValid (TObject *obj) |
| void | Remove (TObject *obj) |
| Remove an object from the object table. More... | |
| void | RemoveQuietly (TObject *obj) |
| Remove an object from the object table. More... | |
| void | Statistics () |
| void | Terminate () |
| Deletes the object table (this static class function calls the dtor). More... | |
| void | UpdateInstCount () const |
| Histogram all objects according to their classes. 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... | |
| virtual void | Browse (TBrowser *b) |
| Browse object. May be overridden for another default action. 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 | Clear (Option_t *="") |
| virtual TObject * | Clone (const char *newname="") const |
| Make a clone of an object using the Streamer facility. 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 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 TObject * | DrawClone (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 TObject * | FindObject (const char *name) const |
| Must be redefined in derived classes. More... | |
| virtual TObject * | FindObject (const TObject *obj) const |
| Must be redefined in derived classes. More... | |
| virtual Option_t * | GetDrawOption () 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 const char * | GetName () const |
| Returns 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_t * | GetOption () const |
| virtual const char * | GetTitle () const |
| Returns title of object. More... | |
| 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... | |
| virtual ULong_t | Hash () const |
| Return hash value for this object. 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 |
| 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. 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... | |
| 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... | |
| 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. 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 void | Print (Option_t *option="") const |
| This method must be overridden when a class wants to print itself. 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... | |
Static Public Member Functions | |
| static void | AddObj (TObject *obj) |
| Add an object to the global object table gObjectTable. More... | |
| 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... | |
Private Member Functions | |
| TObjectTable (const TObjectTable &) | |
| void | Expand (Int_t newsize) |
| Expand the object table. More... | |
| Int_t | FindElement (TObject *obj) |
| Find an object in the object table. More... | |
| void | FixCollisions (Int_t index) |
| Rehash the object table in case an object has been removed. More... | |
| Bool_t | HighWaterMark () |
| TObjectTable & | operator= (const TObjectTable &) |
Private Attributes | |
| Int_t | fSize |
| TObject ** | fTable |
| Int_t | fTally |
Additional Inherited Members | |
| 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) } |
| 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 <TObjectTable.h>
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private |
| TObjectTable::TObjectTable | ( | Int_t | tableSize = 100 | ) |
Create an object table.
Definition at line 98 of file TObjectTable.cxx.
| TObjectTable::~TObjectTable | ( | ) |
Delete TObjectTable.
Definition at line 109 of file TObjectTable.cxx.
Add an object to the object table.
Definition at line 146 of file TObjectTable.cxx.
Add an object to the global object table gObjectTable.
If the global table does not exist create it first. This member function may only be used by TObject::TObject. Use Add() to add objects to any other TObjectTable object. This is a static function.
Definition at line 170 of file TObjectTable.cxx.
Issue a warning in case an object still appears in the table while it should not.
Definition at line 395 of file TObjectTable.cxx.
Delete all objects stored in the TObjectTable.
Reimplemented from TObject.
Definition at line 194 of file TObjectTable.cxx.
Expand the object table.
Definition at line 320 of file TObjectTable.cxx.
Find an object in the object table.
Returns the slot where to put the object. To test if the object is actually already in the table use PtrIsValid().
Definition at line 274 of file TObjectTable.cxx.
Rehash the object table in case an object has been removed.
Definition at line 298 of file TObjectTable.cxx.
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inline |
Definition at line 58 of file TObjectTable.h.
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inlineprivate |
Definition at line 75 of file TObjectTable.h.
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inline |
Definition at line 59 of file TObjectTable.h.
| void TObjectTable::InstanceStatistics | ( | ) | const |
Print the object table.
Definition at line 338 of file TObjectTable.cxx.
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private |
Print the object table.
If option ="all" prints the list of all objects with the format object number, pointer, class name, object name
Reimplemented from TObject.
Definition at line 119 of file TObjectTable.cxx.
Definition at line 78 of file TObjectTable.h.
Remove an object from the object table.
Definition at line 208 of file TObjectTable.cxx.
Remove an object from the object table.
If op is 0 or not in the table don't complain. Currently only used by the TClonesArray dtor. Should not be used anywhere else, except in places where "special" allocation and de-allocation tricks are performed.
Definition at line 242 of file TObjectTable.cxx.
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inline |
Definition at line 65 of file TObjectTable.h.
Deletes the object table (this static class function calls the dtor).
Definition at line 263 of file TObjectTable.cxx.
| void TObjectTable::UpdateInstCount | ( | ) | const |
Histogram all objects according to their classes.
Definition at line 373 of file TObjectTable.cxx.
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private |
Definition at line 39 of file TObjectTable.h.
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private |
Definition at line 38 of file TObjectTable.h.
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private |
Definition at line 40 of file TObjectTable.h.
