source: tags/Mars-V0.9.3/mfileio/MReadTree.h

Last change on this file was 7115, checked in by tbretz, 20 years ago
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1#ifndef MARS_MReadTree
2#define MARS_MReadTree
3
4#ifndef MARS_MRead
5#include "MRead.h"
6#endif
7
8class MChain;
9class TBranch;
10class TTree;
11class MTaskList;
12
13class MReadTree : public MRead
14{
15 friend class MReadReports;
16
17private:
18 MChain *fChain; // Pointer to tree==fTree (only if fTree inherits from MChain)
19 TTree *fTree; // Pointer to tree
20
21 UInt_t fNumEntry; // Number of actual entry in chain
22 UInt_t fNumEntries; // Number of Events in chain
23
24 Bool_t fBranchChoosing; // Flag for branch choosing method
25 Bool_t fAutoEnable; // Flag for auto enabeling scheme
26
27 TList *fVetoList; //-> List of Branches which are not allowed to get enabled
28 TList *fNotify; //-> List of TObjects to notify when switching files
29
30 MTaskList *fTaskList; // Tasklist to set StreamId
31
32 enum { kChainWasChanged = BIT(14) };
33 // MReadReports::kIsRequired = BIT(22)
34 // MReadReports::kIsProcessed = BIT(23)
35
36private:
37 void SetBranchStatus(const TList *list, Bool_t status);
38 void SetBranchStatus(TObject *branch, Bool_t status);
39 void SetBranchStatus(const char *name, Bool_t status);
40
41 void DisableSubBranches(TBranch *b);
42 void EnableBranches(MParList *plist);
43 void EnableBranchChoosing();
44
45 Bool_t CheckBranchSize();
46
47 virtual void SetReadyToSave(Bool_t flag=kTRUE);
48 virtual void StreamPrimitive(ofstream &out) const;
49
50 enum { kIsOwner = BIT(14) };
51 // MReadReports::kIsRequired = BIT(22)
52 // MReadReports::kIsProcessed = BIT(23)
53
54public:
55 MReadTree(TTree *tree=0);
56 MReadTree(const char *treename, const char *filename=NULL, const char *name=NULL, const char *title=NULL);
57 ~MReadTree();
58
59 static Byte_t IsFileValid(const char *name);
60
61 virtual void SortFiles();
62
63 void DisableAutoScheme() { fAutoEnable = kFALSE; }
64 void EnableBranch(const char *name);
65 void VetoBranch(const char *name);
66
67 Bool_t GetEvent();
68
69 Bool_t DecEventNum(UInt_t dec=1); // decrease number of event (position in tree)
70 Bool_t IncEventNum(UInt_t inc=1); // increase number of event (position in tree)
71 Bool_t SetEventNum(UInt_t nr); // set number of event (position in tree)
72
73 UInt_t GetNumEntry() const { return fNumEntry; }
74 UInt_t GetEntries();
75
76 //TString GetFileName() const;
77 TString GetFullFileName() const;
78 Int_t GetFileIndex() const;
79
80 virtual void AddNotify(TObject *obj);
81 virtual void SetOwner(Bool_t flag=kTRUE);
82
83 virtual Int_t AddFile(const char *fname, Int_t entries=-1);
84 virtual Int_t AddFiles(const MReadTree &read);
85 Int_t AddFiles(MDirIter &dir) { return MRead::AddFiles(dir); }
86
87 Int_t PreProcess(MParList *pList);
88 Int_t Process();
89 Int_t PostProcess();
90
91 Bool_t Notify();
92 Bool_t Rewind() { SetEventNum(0); return kTRUE; }
93 void Print(Option_t *opt="") const;
94
95 ClassDef(MReadTree, 1) // Reads a tree from file(s)
96};
97
98#endif
99
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