Logo ROOT  
Reference Guide
TEventList.h
Go to the documentation of this file.
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
27class TDirectory;
28class TCollection;
29
30
31class TEventList : public TNamed {
32
33protected:
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
41public:
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);
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
int Int_t
Definition: RtypesCore.h:45
const Bool_t kFALSE
Definition: RtypesCore.h:101
bool Bool_t
Definition: RtypesCore.h:63
long long Long64_t
Definition: RtypesCore.h:80
const char Option_t
Definition: RtypesCore.h:66
#define ClassDef(name, id)
Definition: Rtypes.h:325
char name[80]
Definition: TGX11.cxx:110
Collection abstract base class.
Definition: TCollection.h:65
Describe directory structure in memory.
Definition: TDirectory.h:45
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:107
Long64_t * fList
[fN]Array of elements
Definition: TEventList.h:38
virtual void SetReapplyCut(Bool_t apply=kFALSE)
Definition: TEventList.h:67
TEventList()
Default constructor for a EventList.
Definition: TEventList.cxx:61
virtual void Print(Option_t *option="") const
Print contents of this list.
Definition: TEventList.cxx:305
virtual void Reset(Option_t *option="")
Reset number of entries in event list.
Definition: TEventList.cxx:331
friend TEventList operator-(const TEventList &list1, const TEventList &list2)
Subtraction.
Definition: TEventList.cxx:490
TDirectory * fDirectory
! Pointer to directory holding this tree
Definition: TEventList.h:39
virtual Long64_t GetEntry(Int_t index) const
Return value of entry at index in the list.
Definition: TEventList.cxx:225
friend TEventList operator+(const TEventList &list1, const TEventList &list2)
Addition.
Definition: TEventList.cxx:480
Bool_t fReapply
If true, TTree::Draw will 'reapply' the original cut.
Definition: TEventList.h:37
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:238
virtual Int_t GetSize() const
Definition: TEventList.h:58
virtual void Clear(Option_t *option="")
Set name and title to empty strings ("").
Definition: TEventList.h:47
virtual Int_t GetN() const
Definition: TEventList.h:56
TDirectory * GetDirectory() const
Definition: TEventList.h:52
virtual Long64_t * GetList() const
Definition: TEventList.h:55
virtual Int_t Merge(TCollection *list)
Merge entries in all the TEventList in the collection in this event list.
Definition: TEventList.cxx:282
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:186
virtual void Subtract(const TEventList *list)
Remove elements from this list that are present in alist.
Definition: TEventList.cxx:433
virtual void SetDirectory(TDirectory *dir)
Remove reference to this EventList from current directory and add reference to new directory dir.
Definition: TEventList.cxx:354
virtual void Add(const TEventList *list)
Merge contents of alist with this list.
Definition: TEventList.cxx:119
Int_t fN
Number of elements in the list.
Definition: TEventList.h:34
virtual void SetDelta(Int_t delta=100)
Definition: TEventList.h:64
virtual void Resize(Int_t delta=0)
Resize list by delta entries.
Definition: TEventList.cxx:339
virtual void SetName(const char *name)
Change the name of this TEventList.
Definition: TEventList.cxx:365
virtual void Enter(Long64_t entry)
Enter element entry into the list.
Definition: TEventList.cxx:194
Int_t fSize
Size of array.
Definition: TEventList.h:35
virtual void Sort()
Sort list entries in increasing order.
Definition: TEventList.cxx:377
friend TEventList operator*(const TEventList &list1, const TEventList &list2)
Intersection.
Definition: TEventList.cxx:500
virtual Bool_t Contains(Long64_t entry)
Return TRUE if list contains entry.
Definition: TEventList.cxx:165
TEventList & operator=(const TEventList &list)
Assingment.
Definition: TEventList.cxx:460
virtual Bool_t ContainsRange(Long64_t entrymin, Long64_t entrymax)
Return TRUE if list contains entries from entrymin to entrymax included.
Definition: TEventList.cxx:174
virtual void Intersect(const TEventList *list)
Remove elements from this list that are NOT present in alist.
Definition: TEventList.cxx:255
Int_t fDelta
Increment size.
Definition: TEventList.h:36
virtual Bool_t GetReapplyCut() const
Definition: TEventList.h:57
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29