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Reference Guide
TEventList.h
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1 // @(#)root/tree:$Id$
2 // Author: Rene Brun 11/02/97
3 
4 /*************************************************************************
5  * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6  * All rights reserved. *
7  * *
8  * For the licensing terms see $ROOTSYS/LICENSE. *
9  * For the list of contributors see $ROOTSYS/README/CREDITS. *
10  *************************************************************************/
11 
12 #ifndef ROOT_TEventList
13 #define ROOT_TEventList
14 
15 
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TEventList //
19 // //
20 // A list of selected entries in a TTree. //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23 
24 
25 #include "TNamed.h"
26 
27 class TDirectory;
28 class TCollection;
29 
30 
31 class TEventList : public TNamed {
32 
33 protected:
34  Int_t fN; ///< Number of elements in the list
35  Int_t fSize; ///< Size of array
36  Int_t fDelta; ///< Increment size
37  Bool_t fReapply; ///< If true, TTree::Draw will 'reapply' the original cut
38  Long64_t *fList; ///<[fN]Array of elements
39  TDirectory *fDirectory; ///<! Pointer to directory holding this tree
40 
41 public:
42  TEventList();
43  TEventList(const char *name, const char *title="",Int_t initsize=0, Int_t delta = 0);
44  TEventList(const TEventList &list);
45  virtual ~TEventList();
46  virtual void Add(const TEventList *list);
47  virtual void Clear(Option_t *option="") {Reset(option);}
48  virtual Bool_t Contains(Long64_t entry);
49  virtual Bool_t ContainsRange(Long64_t entrymin, Long64_t entrymax);
50  virtual void DirectoryAutoAdd(TDirectory *);
51  virtual void Enter(Long64_t entry);
52  TDirectory *GetDirectory() const {return fDirectory;}
53  virtual Long64_t GetEntry(Int_t index) const;
54  virtual Int_t GetIndex(Long64_t entry) const;
55  virtual Long64_t *GetList() const { return fList; }
56  virtual Int_t GetN() const { return fN; }
57  virtual Bool_t GetReapplyCut() const { return fReapply; };
58  virtual Int_t GetSize() const { return fSize; }
59  virtual void Intersect(const TEventList *list);
60  virtual Int_t Merge(TCollection *list);
61  virtual void Print(Option_t *option="") const;
62  virtual void Reset(Option_t *option="");
63  virtual void Resize(Int_t delta=0);
64  virtual void SetDelta(Int_t delta=100) {fDelta = delta;}
65  virtual void SetDirectory(TDirectory *dir);
66  virtual void SetName(const char *name); // *MENU*
67  virtual void SetReapplyCut(Bool_t apply = kFALSE) {fReapply = apply;}; // *TOGGLE*
68  virtual void Sort();
69  virtual void Subtract(const TEventList *list);
70 
71  TEventList& operator=(const TEventList &list);
72 
73  friend TEventList operator+(const TEventList &list1, const TEventList &list2);
74  friend TEventList operator-(const TEventList &list1, const TEventList &list2);
75  friend TEventList operator*(const TEventList &list1, const TEventList &list2);
76 
77  ClassDef(TEventList,4); //A list of selected entries in a TTree.
78 };
79 
80 #endif
81 
virtual Bool_t GetReapplyCut() const
Definition: TEventList.h:57
virtual void Enter(Long64_t entry)
Enter element entry into the list.
Definition: TEventList.cxx:191
friend TEventList operator*(const TEventList &list1, const TEventList &list2)
Intersection.
Definition: TEventList.cxx:497
virtual Bool_t Contains(Long64_t entry)
Return TRUE if list contains entry.
Definition: TEventList.cxx:162
virtual void SetDelta(Int_t delta=100)
Definition: TEventList.h:64
long long Long64_t
Definition: RtypesCore.h:69
TDirectory * GetDirectory() const
Definition: TEventList.h:52
const char Option_t
Definition: RtypesCore.h:62
virtual void Clear(Option_t *option="")
Set name and title to empty strings ("").
Definition: TEventList.h:47
virtual void Intersect(const TEventList *list)
Remove elements from this list that are NOT present in alist.
Definition: TEventList.cxx:252
friend TEventList operator-(const TEventList &list1, const TEventList &list2)
Substraction.
Definition: TEventList.cxx:487
TDirectory * fDirectory
! Pointer to directory holding this tree
Definition: TEventList.h:39
int Int_t
Definition: RtypesCore.h:41
virtual void Print(Option_t *option="") const
Print contents of this list.
Definition: TEventList.cxx:302
bool Bool_t
Definition: RtypesCore.h:59
Int_t fDelta
Increment size.
Definition: TEventList.h:36
virtual void DirectoryAutoAdd(TDirectory *)
Called by TKey and others to automatically add us to a directory when we are read from a file...
Definition: TEventList.cxx:183
TEventList & operator=(const TEventList &list)
Assingment.
Definition: TEventList.cxx:457
virtual void Sort()
Sort list entries in increasing order.
Definition: TEventList.cxx:374
Int_t fSize
Size of array.
Definition: TEventList.h:35
virtual void Resize(Int_t delta=0)
Resize list by delta entries.
Definition: TEventList.cxx:336
#define ClassDef(name, id)
Definition: Rtypes.h:326
virtual void SetReapplyCut(Bool_t apply=kFALSE)
Definition: TEventList.h:67
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
virtual Long64_t GetEntry(Int_t index) const
Return value of entry at index in the list.
Definition: TEventList.cxx:222
virtual Bool_t ContainsRange(Long64_t entrymin, Long64_t entrymax)
Return TRUE if list contains entries from entrymin to entrymax included.
Definition: TEventList.cxx:171
virtual Long64_t * GetList() const
Definition: TEventList.h:55
virtual Int_t GetN() const
Definition: TEventList.h:56
TEventList()
Default constructor for a EventList.
Definition: TEventList.cxx:58
virtual void SetDirectory(TDirectory *dir)
Remove reference to this EventList from current directory and add reference to new directory dir...
Definition: TEventList.cxx:351
virtual Int_t GetSize() const
Definition: TEventList.h:58
Int_t fN
Number of elements in the list.
Definition: TEventList.h:34
Collection abstract base class.
Definition: TCollection.h:63
A TEventList object is a list of selected events (entries) in a TTree.
Definition: TEventList.h:31
virtual ~TEventList()
Default destructor for a EventList.
Definition: TEventList.cxx:104
friend TEventList operator+(const TEventList &list1, const TEventList &list2)
Addition.
Definition: TEventList.cxx:477
const Bool_t kFALSE
Definition: RtypesCore.h:88
virtual Int_t Merge(TCollection *list)
Merge entries in all the TEventList in the collection in this event list.
Definition: TEventList.cxx:279
Describe directory structure in memory.
Definition: TDirectory.h:34
virtual void SetName(const char *name)
Change the name of this TEventList.
Definition: TEventList.cxx:362
virtual void Add(const TEventList *list)
Merge contents of alist with this list.
Definition: TEventList.cxx:116
Bool_t fReapply
If true, TTree::Draw will &#39;reapply&#39; the original cut.
Definition: TEventList.h:37
virtual void Subtract(const TEventList *list)
Remove elements from this list that are present in alist.
Definition: TEventList.cxx:430
Long64_t * fList
[fN]Array of elements
Definition: TEventList.h:38
virtual Int_t GetIndex(Long64_t entry) const
Return index in the list of element with value entry array is supposed to be sorted prior to this cal...
Definition: TEventList.cxx:235
char name[80]
Definition: TGX11.cxx:109
virtual void Reset(Option_t *option="")
Reset number of entries in event list.
Definition: TEventList.cxx:328