source:
git/external/ExRootAnalysis/ExRootTreeReader.h@
7e4da42
Last change on this file since 7e4da42 was d7d2da3, checked in by , 12 years ago | |
---|---|
|
|
File size: 1019 bytes |
Line | |
---|---|
1 | #ifndef ExRootTreeReader_h |
2 | #define ExRootTreeReader_h |
3 | |
4 | /** \class ExRootTreeReader |
5 | * |
6 | * Class simplifying access to ROOT tree branches |
7 | * |
8 | * $Date: 2008-06-04 13:57:27 $ |
9 | * $Revision: 1.1 $ |
10 | * |
11 | * |
12 | * \author P. Demin - UCL, Louvain-la-Neuve |
13 | * |
14 | */ |
15 | |
16 | #include "TROOT.h" |
17 | #include "TNamed.h" |
18 | #include "TChain.h" |
19 | #include "TFile.h" |
20 | |
21 | #include <map> |
22 | |
23 | class ExRootTreeReader : public TNamed |
24 | { |
25 | public : |
26 | |
27 | ExRootTreeReader(TTree *tree = 0); |
28 | ~ExRootTreeReader(); |
29 | |
30 | void SetTree(TTree *tree) { fChain = tree; } |
31 | |
32 | Long64_t GetEntries() const { return fChain ? static_cast<Long64_t>(fChain->GetEntries()) : 0; } |
33 | Bool_t ReadEntry(Long64_t entry); |
34 | |
35 | TClonesArray *UseBranch(const char *branchName); |
36 | |
37 | private: |
38 | |
39 | Bool_t Notify(); |
40 | |
41 | TTree *fChain; //! pointer to the analyzed TTree or TChain |
42 | Int_t fCurrentTree; //! current Tree number in a TChain |
43 | |
44 | typedef std::map<TString, std::pair<TBranch*, TClonesArray*> > TBranchMap; |
45 | |
46 | TBranchMap fBranchMap; //! |
47 | |
48 | ClassDef(ExRootTreeReader, 1) |
49 | }; |
50 | |
51 | #endif // ExRootTreeReader_h |
Note:
See TracBrowser
for help on using the repository browser.