source: tags/Mars-V0.8.1/mfileio/MReadTree.h

Last change on this file was 2206, checked in by tbretz, 22 years ago
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File size: 2.3 KB
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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;
10
11class MReadTree : public MRead
12{
13private:
14 MChain *fChain; // Pointer to tree
15
16 UInt_t fNumEntry; // Number of actual entry in chain
17 UInt_t fNumEntries; // Number of Events in chain
18
19 Bool_t fBranchChoosing; // Flag for branch choosing method
20 Bool_t fAutoEnable; // Flag for auto enabeling scheme
21
22 TList *fVetoList; // List of Branches which are not allowed to get enabled
23 TList *fNotify; // List of TObjects to notify when switching files
24
25 enum { kChainWasChanged = BIT(14) };
26
27private:
28 void SetBranchStatus(const TList *list, Bool_t status);
29 void SetBranchStatus(TObject *branch, Bool_t status);
30 void SetBranchStatus(const char *name, Bool_t status);
31
32 void DisableSubBranches(TBranch *b);
33 void EnableBranches(MParList *plist);
34 void EnableBranchChoosing();
35
36 Bool_t CheckBranchSize();
37
38 virtual void SetReadyToSave(Bool_t flag=kTRUE);
39 virtual void StreamPrimitive(ofstream &out) const;
40
41 enum { kIsOwner = BIT(14) };
42
43public:
44 MReadTree();
45 MReadTree(const char *treename, const char *filename=NULL, const char *name=NULL, const char *title=NULL);
46 ~MReadTree();
47
48 void DisableAutoScheme() { fAutoEnable = kFALSE; }
49 void EnableBranch(const char *name);
50 void VetoBranch(const char *name);
51
52 Bool_t GetEvent();
53
54 Bool_t DecEventNum(UInt_t dec=1); // decrease number of event (position in tree)
55 Bool_t IncEventNum(UInt_t inc=1); // increase number of event (position in tree)
56 Bool_t SetEventNum(UInt_t nr); // set number of event (position in tree)
57
58 UInt_t GetNumEntry() const { return fNumEntry; }
59 UInt_t GetEntries();
60
61 TString GetFileName() const;
62 Int_t GetFileIndex() const;
63
64 virtual void AddNotify(TObject *obj);
65 virtual void SetOwner(Bool_t flag=kTRUE);
66
67 virtual Int_t AddFile(const char *fname, Int_t entries=-1);
68 virtual Int_t AddFiles(const MReadTree &read);
69
70 Int_t PreProcess(MParList *pList);
71 Int_t Process();
72 Int_t PostProcess();
73
74 Bool_t Notify();
75 Bool_t Rewind() { SetEventNum(0); return kTRUE; }
76 void Print(Option_t *opt="") const;
77
78 ClassDef(MReadTree, 1) // Reads a tree from file(s)
79};
80
81#endif
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