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TSelectorList Class Reference

A TList derived class that makes sure that objects added to it are not linked to the currently open file (like histograms, eventlists and trees).

Also it makes sure the name of the added object is unique. This class is used in the TSelector for the output list.

Definition at line 31 of file TSelectorList.h.

Public Member Functions

 TSelectorList ()
 
void AddAfter (const TObject *after, TObject *obj) override
 Add to the list.
 
void AddAfter (TObjLink *after, TObject *obj) override
 Add to the list.
 
void AddAt (TObject *obj, Int_t idx) override
 Add to the list.
 
void AddBefore (const TObject *before, TObject *obj) override
 Add to the list.
 
void AddBefore (TObjLink *before, TObject *obj) override
 Add to the list.
 
void AddFirst (TObject *obj) override
 Add at the start of the list.
 
void AddFirst (TObject *obj, Option_t *opt) override
 Add at the start of the list.
 
void AddLast (TObject *obj) override
 Add at the end of the list.
 
void AddLast (TObject *obj, Option_t *opt) override
 Add at the end of the list.
 
- Public Member Functions inherited from THashList
 THashList (Int_t capacity=TCollection::kInitHashTableCapacity, Int_t rehash=0)
 Create a THashList object.
 
 THashList (TObject *parent, Int_t capacity=TCollection::kInitHashTableCapacity, Int_t rehash=0)
 For backward compatibility only. Use other ctor.
 
virtual ~THashList ()
 Delete a hashlist.
 
Float_t AverageCollisions () const
 Return the average collision rate.
 
void Clear (Option_t *option="") override
 Remove all objects from the list.
 
void Delete (Option_t *option="") override
 Remove all objects from the list AND delete all heap based objects.
 
TObjectFindObject (const char *name) const override
 Find object using its name.
 
TObjectFindObject (const TObject *obj) const override
 Find object using its hash value (returned by its Hash() member).
 
const TListGetListForObject (const char *name) const
 Return the THashTable's list (bucket) in which obj can be found based on its hash; see THashTable::GetListForObject().
 
const TListGetListForObject (const TObject *obj) const
 Return the THashTable's list (bucket) in which obj can be found based on its hash; see THashTable::GetListForObject().
 
TClassIsA () const override
 
void RecursiveRemove (TObject *obj) override
 Remove object from this collection and recursively remove the object from all other objects (and collections).
 
void Rehash (Int_t newCapacity)
 Rehash the hashlist.
 
TObjectRemove (TObject *obj) override
 Remove object from the list.
 
TObjectRemove (TObjLink *lnk) override
 Remove object via its objlink from the list.
 
void Streamer (TBuffer &) override
 Stream all objects in the collection to or from the I/O buffer.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
bool UseRWLock (Bool_t enable=true) override
 Set this collection to use a RW lock upon access, making it thread safe.
 
- Public Member Functions inherited from TList
 TList ()
 
 TList (TObject *)
 
virtual ~TList ()
 Delete the list.
 
void Add (TObject *obj) override
 
virtual void Add (TObject *obj, Option_t *opt)
 
TObjectAfter (const TObject *obj) const override
 Returns the object after object obj.
 
TObjectAt (Int_t idx) const override
 Returns the object at position idx. Returns 0 if idx is out of range.
 
TObjectBefore (const TObject *obj) const override
 Returns the object before object obj.
 
void Clear (Option_t *option="") override
 Remove all objects from the list.
 
void Delete (Option_t *option="") override
 Remove all objects from the list AND delete all heap based objects.
 
TObjectFindObject (const char *name) const override
 Find an object in this list using its name.
 
TObjectFindObject (const TObject *obj) const override
 Find an object in this list using the object's IsEqual() member function.
 
TObjectFirst () const override
 Return the first object in the list. Returns 0 when list is empty.
 
virtual TObjLinkFirstLink () const
 
TObject ** GetObjectRef (const TObject *obj) const override
 Return address of pointer to obj.
 
TClassIsA () const override
 
Bool_t IsAscending ()
 
TObjectLast () const override
 Return the last object in the list. Returns 0 when list is empty.
 
virtual TObjLinkLastLink () const
 
TIteratorMakeIterator (Bool_t dir=kIterForward) const override
 Return a list iterator.
 
void RecursiveRemove (TObject *obj) override
 Remove object from this collection and recursively remove the object from all other objects (and collections).
 
TObjectRemove (const TObjLinkPtr_t &lnk)
 
TObjectRemove (TObject *obj) override
 Remove object from the list.
 
void RemoveLast () override
 Remove the last object of the list.
 
virtual void Sort (Bool_t order=kSortAscending)
 Sort linked list.
 
void Streamer (TBuffer &) override
 Stream all objects in the collection to or from the I/O buffer.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
- Public Member Functions inherited from TSeqCollection
virtual ~TSeqCollection ()
 
void Add (TObject *obj) override
 
virtual Int_t GetLast () const
 Returns index of last object in collection.
 
virtual Int_t IndexOf (const TObject *obj) const
 Return index of object in collection.
 
TClassIsA () const override
 
virtual Bool_t IsSorted () const
 
Int_t LastIndex () const
 
Long64_t Merge (TCollection *list)
 Merge this collection with all collections coming in the input list.
 
virtual void RemoveAfter (TObject *after)
 
virtual TObjectRemoveAt (Int_t idx)
 
virtual void RemoveBefore (TObject *before)
 
virtual void RemoveFirst ()
 
void Streamer (TBuffer &) override
 Stream all objects in the collection to or from the I/O buffer.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
void UnSort ()
 
- Public Member Functions inherited from TCollection
virtual ~TCollection ()
 TNamed destructor.
 
virtual void AddAll (const TCollection *col)
 Add all objects from collection col to this collection.
 
void AddVector (TObject *obj1,...)
 Add all arguments to the collection.
 
Bool_t AssertClass (TClass *cl) const
 Make sure all objects in this collection inherit from class cl.
 
TIter begin () const
 
void Browse (TBrowser *b) override
 Browse this collection (called by TBrowser).
 
Int_t Capacity () const
 
TObjectClone (const char *newname="") const override
 Make a clone of an collection using the Streamer facility.
 
Int_t Compare (const TObject *obj) const override
 Compare two TCollection objects.
 
Bool_t Contains (const char *name) const
 
Bool_t Contains (const TObject *obj) const
 
void Draw (Option_t *option="") override
 Draw all objects in this collection.
 
void Dump () const override
 Dump all objects in this collection.
 
TIter end () const
 
virtual Int_t GetEntries () const
 
const char * GetName () const override
 Return name of this collection.
 
virtual Int_t GetSize () const
 Return the capacity of the collection, i.e.
 
virtual Int_t GrowBy (Int_t delta) const
 Increase the collection's capacity by delta slots.
 
ULong_t Hash () const override
 Return hash value for this object.
 
Bool_t IsArgNull (const char *where, const TObject *obj) const
 Returns true if object is a null pointer.
 
virtual Bool_t IsEmpty () const
 
Bool_t IsFolder () const override
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).
 
Bool_t IsOwner () const
 
Bool_t IsSortable () const override
 
R__ALWAYS_INLINE Bool_t IsUsingRWLock () const
 
void ls (Option_t *option="") const override
 List (ls) all objects in this collection.
 
virtual TIteratorMakeReverseIterator () const
 
Bool_t Notify () override
 'Notify' all objects in this collection.
 
TObjectoperator() (const char *name) const
 Find an object in this collection by name.
 
void Paint (Option_t *option="") override
 Paint all objects in this collection.
 
virtual void Print (Option_t *option, const char *wildcard, Int_t recurse=1) const
 Print the collection header and its elements that match the wildcard.
 
virtual void Print (Option_t *option, Int_t recurse) const
 Print the collection header and its elements.
 
virtual void Print (Option_t *option, TPRegexp &regexp, Int_t recurse=1) const
 Print the collection header and its elements that match the regexp.
 
void Print (Option_t *option="") const override
 Default print for collections, calls Print(option, 1).
 
void RemoveAll ()
 
virtual void RemoveAll (TCollection *col)
 Remove all objects in collection col from this collection.
 
void SetCurrentCollection ()
 Set this collection to be the globally accessible collection.
 
void SetName (const char *name)
 
virtual void SetOwner (Bool_t enable=kTRUE)
 Set whether this collection is the owner (enable==true) of its content.
 
void StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
 
Int_t Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const override
 Write all objects in this collection.
 
Int_t Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) override
 Write all objects in this collection.
 
- 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 Copy (TObject &object) const
 Copy this to obj.
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object.
 
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 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 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 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.
 
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)
 
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).
 
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).
 
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)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator.
 
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.
 
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.
 
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.
 

Private Member Functions

Bool_t CheckDuplicateName (TObject *obj)
 Check for duplicate object names in the list.
 
Bool_t UnsetDirectory (TObject *obj)
 If the class of obj has the SetDirectory(TDirectory*) method call it to unset the directory association.
 

Additional Inherited Members

- Public Types inherited from TList
typedef TListIter Iterator_t
 
- Public Types inherited from TCollection
enum  { kInitCapacity = 16 , kInitHashTableCapacity = 17 }
 
- 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 THashList
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TList
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TSeqCollection
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static Int_t ObjCompare (TObject *a, TObject *b)
 Compare to objects in the collection. Use member Compare() of object a.
 
static void QSort (TObject **a, Int_t first, Int_t last)
 Sort array of TObject pointers using a quicksort algorithm.
 
static void QSort (TObject **a, Int_t nBs, TObject ***b, Int_t first, Int_t last)
 Sort array a of TObject pointers using a quicksort algorithm.
 
static void QSort (TObject **a, TObject **b, Int_t first, Int_t last)
 
- Static Public Member Functions inherited from TCollection
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static void EmptyGarbageCollection ()
 Do the garbage collection.
 
static void GarbageCollect (TObject *obj)
 Add to the list of things to be cleaned up.
 
static TCollectionGetCurrentCollection ()
 Return the globally accessible collection.
 
static void StartGarbageCollection ()
 Set up for garbage collection.
 
- 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 TList
using TObjLinkPtr_t = std::shared_ptr< TObjLink >
 
using TObjLinkWeakPtr_t = std::weak_ptr< TObjLink >
 
- Protected Types inherited from TCollection
enum  EStatusBits { kIsOwner = (1ULL << ( 14 )) , kUseRWLock = (1ULL << ( 16 )) }
 
- Protected Types inherited from TObject
enum  { kOnlyPrepStep = (1ULL << ( 3 )) }
 
- Protected Member Functions inherited from TList
TObjLinkPtr_tDoSort (TObjLinkPtr_t *head, Int_t n)
 Sort linked list.
 
TObjLinkFindLink (const TObject *obj, Int_t &idx) const
 Returns the TObjLink object that contains object obj.
 
void InsertAfter (const TObjLinkPtr_t &newlink, const TObjLinkPtr_t &prev)
 Insert a new link in the chain.
 
TObjLinkLinkAt (Int_t idx) const
 sorting order (when calling Sort() or for TSortedList)
 
Bool_t LnkCompare (const TObjLinkPtr_t &l1, const TObjLinkPtr_t &l2)
 Compares the objects stored in the TObjLink objects.
 
TObjLinkPtr_t NewLink (TObject *obj, const TObjLinkPtr_t &prev=nullptr)
 Return a new TObjLink.
 
TObjLinkPtr_t NewLink (TObject *obj, TObjLink *prev)
 
TObjLinkPtr_t NewOptLink (TObject *obj, Option_t *opt, const TObjLinkPtr_t &prev=nullptr)
 Return a new TObjOptLink (a TObjLink that also stores the option).
 
TObjLinkPtr_t NewOptLink (TObject *obj, Option_t *opt, TObjLink *prev)
 
- Protected Member Functions inherited from TSeqCollection
 TSeqCollection ()
 
virtual void Changed ()
 
- Protected Member Functions inherited from TCollection
 TCollection ()
 
virtual const char * GetCollectionEntryName (TObject *entry) const
 For given collection entry return the string that is used to identify the object and, potentially, perform wildcard/regexp filtering on.
 
virtual void PrintCollectionEntry (TObject *entry, Option_t *option, Int_t recurse) const
 Print the collection entry.
 
virtual void PrintCollectionHeader (Option_t *option) const
 Print the collection header.
 
- 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 THashList
THashTablefTable
 
- Protected Attributes inherited from TList
Bool_t fAscending
 cache to speedup sequential calling of Before() and After() functions
 
TObjLinkWeakPtr_t fCache
 pointer to last entry in linked list
 
TObjLinkPtr_t fFirst
 
TObjLinkPtr_t fLast
 pointer to first entry in linked list
 
- Protected Attributes inherited from TSeqCollection
Bool_t fSorted
 
- Protected Attributes inherited from TCollection
TString fName
 
Int_t fSize
 

#include <TSelectorList.h>

Inheritance diagram for TSelectorList:
[legend]

Constructor & Destructor Documentation

◆ TSelectorList()

TSelectorList::TSelectorList ( )
inline

Definition at line 38 of file TSelectorList.h.

Member Function Documentation

◆ AddAfter() [1/2]

void TSelectorList::AddAfter ( const TObject after,
TObject obj 
)
overridevirtual

Add to the list.

Reimplemented from THashList.

Definition at line 127 of file TSelectorList.cxx.

◆ AddAfter() [2/2]

void TSelectorList::AddAfter ( TObjLink after,
TObject obj 
)
overridevirtual

Add to the list.

Reimplemented from THashList.

Definition at line 137 of file TSelectorList.cxx.

◆ AddAt()

void TSelectorList::AddAt ( TObject obj,
Int_t  idx 
)
overridevirtual

Add to the list.

Reimplemented from THashList.

Definition at line 117 of file TSelectorList.cxx.

◆ AddBefore() [1/2]

void TSelectorList::AddBefore ( const TObject before,
TObject obj 
)
overridevirtual

Add to the list.

Reimplemented from THashList.

Definition at line 147 of file TSelectorList.cxx.

◆ AddBefore() [2/2]

void TSelectorList::AddBefore ( TObjLink before,
TObject obj 
)
overridevirtual

Add to the list.

Reimplemented from THashList.

Definition at line 157 of file TSelectorList.cxx.

◆ AddFirst() [1/2]

void TSelectorList::AddFirst ( TObject obj)
overridevirtual

Add at the start of the list.

Reimplemented from THashList.

Definition at line 77 of file TSelectorList.cxx.

◆ AddFirst() [2/2]

void TSelectorList::AddFirst ( TObject obj,
Option_t opt 
)
overridevirtual

Add at the start of the list.

Reimplemented from THashList.

Definition at line 87 of file TSelectorList.cxx.

◆ AddLast() [1/2]

void TSelectorList::AddLast ( TObject obj)
overridevirtual

Add at the end of the list.

Reimplemented from THashList.

Definition at line 97 of file TSelectorList.cxx.

◆ AddLast() [2/2]

void TSelectorList::AddLast ( TObject obj,
Option_t opt 
)
overridevirtual

Add at the end of the list.

Reimplemented from THashList.

Definition at line 107 of file TSelectorList.cxx.

◆ CheckDuplicateName()

Bool_t TSelectorList::CheckDuplicateName ( TObject obj)
private

Check for duplicate object names in the list.

If an object with the same name is added then the merge function will fail that will look up objects in different output lists by name. Returns true in case name is unique.

Definition at line 55 of file TSelectorList.cxx.

◆ UnsetDirectory()

Bool_t TSelectorList::UnsetDirectory ( TObject obj)
private

If the class of obj has the SetDirectory(TDirectory*) method call it to unset the directory association.

The objects in the selector list or owned by the list and not by the directory that was active when they were created. Returns true in case of success.

Definition at line 33 of file TSelectorList.cxx.

Libraries for TSelectorList:

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