| Revision: | 1.4 |
| Committed: | Mon Jul 13 19:20:24 2009 UTC (15 years, 9 months ago) by loizides |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | Mit_032, Mit_031, Mit_025c_branch2, Mit_025c_branch1, Mit_030, Mit_029c, Mit_029b, Mit_030_pre1, Mit_029a, Mit_029, Mit_029_pre1, Mit_028a, Mit_025c_branch0, Mit_028, Mit_027a, Mit_027, Mit_026, Mit_025e, Mit_025d, Mit_025c, Mit_025b, Mit_025a, Mit_025, Mit_025pre2, Mit_024b, Mit_025pre1, Mit_024a, Mit_024, Mit_023, Mit_022a, Mit_022, Mit_020d, TMit_020d, Mit_020c, Mit_021, Mit_021pre2, Mit_021pre1, Mit_020b, Mit_020a, Mit_020, Mit_020pre1, Mit_018, Mit_017, Mit_017pre3, Mit_017pre2, Mit_017pre1, Mit_016, Mit_015b, Mit_015a, Mit_015, Mit_014e, Mit_014d, Mit_014c, Mit_014b, Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1, Mit_013d, Mit_013c, Mit_013b, Mit_013a, Mit_013, Mit_013pre1, Mit_012i, Mit_012h, Mit_012g, Mit_012f, Mit_012e, Mit_012d, Mit_012c, Mit_012b, Mit_012a, Mit_012, Mit_011a, Mit_011, Mit_010a, Mit_010, HEAD |
| Branch point for: | Mit_025c_branch |
| Changes since 1.3: | +20 -10 lines |
| Log Message: | Cleanup |
| # | Content |
|---|---|
| 1 | // |
| 2 | // $Id: TAMBranchInfo.h,v 1.3 2009/01/20 12:21:48 loizides Exp $ |
| 3 | // |
| 4 | |
| 5 | #ifndef ROOT_TAMBranchInfo |
| 6 | #define ROOT_TAMBranchInfo |
| 7 | |
| 8 | |
| 9 | #include <vector> |
| 10 | using std::vector; |
| 11 | |
| 12 | |
| 13 | #include <typeinfo> |
| 14 | |
| 15 | |
| 16 | #ifndef ROOT_TNamed |
| 17 | #include "TNamed.h" |
| 18 | #endif |
| 19 | #ifndef ROOT_TError |
| 20 | #include "TError.h" |
| 21 | #endif |
| 22 | |
| 23 | |
| 24 | class TTree; |
| 25 | class TAMVirtualBranchLoader; |
| 26 | |
| 27 | |
| 28 | typedef void* BranchAddr_t; |
| 29 | |
| 30 | struct TAMBranchInfo : TNamed { |
| 31 | // Stores the name and pointers to requested branches. |
| 32 | // Inherits from TObject to allow storage in a THashTable |
| 33 | |
| 34 | struct BranchPtr_t { |
| 35 | // In ROOT v4.0.8 (and prior) rootcint had trouble with a vector<void**>, |
| 36 | // so instead we make a small struct to store the void** and use |
| 37 | // a vector of the structs. |
| 38 | // |
| 39 | // Also serves as an abstract base class for the type-storing class |
| 40 | // this allows the minimum number of functions & classes to be |
| 41 | // templated. |
| 42 | |
| 43 | BranchAddr_t *fPtr; //pointer to the TAModule's |
| 44 | // pointer to the branch object |
| 45 | BranchPtr_t(BranchAddr_t* ptr) : fPtr(ptr) {} |
| 46 | virtual ~BranchPtr_t() { (*fPtr) = 0; } |
| 47 | virtual const type_info& GetType() const=0; |
| 48 | }; |
| 49 | |
| 50 | template <typename T> |
| 51 | struct TAMTypedBrPtr : BranchPtr_t { |
| 52 | TAMTypedBrPtr(BranchAddr_t* ptr) : BranchPtr_t(ptr) {} |
| 53 | virtual ~TAMTypedBrPtr() {} |
| 54 | virtual const type_info& GetType() const { return typeid(T); } |
| 55 | }; |
| 56 | |
| 57 | Bool_t fIsLoaded; //if branch is loaded |
| 58 | // for current event |
| 59 | TAMVirtualBranchLoader *fLoader; //our data (tree) loader |
| 60 | vector<BranchPtr_t*> fUsrAddresses; //list of pointers to each |
| 61 | // mod's ptr to branch object |
| 62 | |
| 63 | TAMBranchInfo(const Char_t* branchName=0); |
| 64 | virtual ~TAMBranchInfo(); |
| 65 | |
| 66 | template <typename T> Bool_t AddPtr(T*& address); |
| 67 | Int_t GetEntry(Long64_t entry); |
| 68 | TAMVirtualBranchLoader *GetLoader() const { return fLoader; } |
| 69 | const type_info& GetType() const; |
| 70 | void Init(); |
| 71 | Bool_t IsLoaded() const { return fIsLoaded; } |
| 72 | using TObject::Notify; |
| 73 | Bool_t Notify(TTree* tree); |
| 74 | void SetUsrAddrs(); |
| 75 | void SetLoader(TAMVirtualBranchLoader *loader) |
| 76 | { fLoader = loader; } |
| 77 | void ZeroUsrAddrs(); |
| 78 | |
| 79 | ClassDef(TAMBranchInfo,0) // General per branch information |
| 80 | }; |
| 81 | |
| 82 | |
| 83 | //______________________________________________________________________________ |
| 84 | template <typename T> |
| 85 | inline Bool_t TAMBranchInfo::AddPtr(T*& address) |
| 86 | { |
| 87 | // Add a user pointer for this branch. |
| 88 | |
| 89 | // Must do an explicit cast to BranchAddr_t* |
| 90 | BranchAddr_t* adr = reinterpret_cast<BranchAddr_t*>(&address); |
| 91 | fUsrAddresses.push_back(new TAMTypedBrPtr<T>(adr)); |
| 92 | return kTRUE; |
| 93 | } |
| 94 | |
| 95 | //______________________________________________________________________________ |
| 96 | inline const type_info &TAMBranchInfo::GetType() const |
| 97 | { |
| 98 | // Return type of user address. |
| 99 | |
| 100 | return fUsrAddresses.empty() ? typeid(void) : fUsrAddresses[0]->GetType(); |
| 101 | } |
| 102 | |
| 103 | #endif //ROOT_TAMBranchInfo |