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root/cvsroot/UserCode/MitAna/TAM/interface/TAMSelector.h
Revision: 1.11
Committed: Mon Mar 2 12:34:51 2009 UTC (16 years, 2 months ago) by loizides
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_009c, Mit_009b, Mit_009a, Mit_009, Mit_008, Mit_008pre2, Mit_008pre1
Changes since 1.10: +37 -21 lines
Log Message:
BranchProxy that combines previous AutoLoad class with recent changes in TAMSelector.

File Contents

# Content
1 //
2 // $Id: TAMSelector.h,v 1.10 2009/02/17 21:54:17 bendavid Exp $
3 //
4
5 #ifndef ROOT_TAMSelector
6 #define ROOT_TAMSelector
7
8 // keep this for compatibility
9 #define TAM_TAMSelector
10
11
12 #ifndef ROOT_TSelector
13 #include "TSelector.h"
14 #endif
15 #ifndef ROOT_THashTable
16 #include "THashTable.h"
17 #endif
18 #ifndef ROOT_List
19 #include "TList.h"
20 #endif
21 #ifndef ROOT_TAMBranchInfo
22 #include "TAMBranchInfo.h"
23 #endif
24 #ifndef ROOT_TAMVirtualLoader
25 #include "TAMVirtualLoader.h"
26 #endif
27 #ifndef ROOT_Riostream
28 #include <Riostream.h>
29 #endif
30
31
32 class TBranch;
33 class TTree;
34 class TFile;
35 class TAModule;
36 class TAMOutput;
37 class TBranchRef;
38
39 class TAMSelector : public TSelector {
40 protected:
41
42 struct TAMEvtObj : TNamed {
43 // Class for storing event objects:
44 // It assumes ownership of the object.
45 // It is needed to force the THashTable to call Hash on a TNamed
46 // to allow lookup using the hash value given the object's name
47 // (as opposed to its pointer value, as is done for TObject's).
48 TObject* fObj; //the object
49 TAMEvtObj(TObject* obj) : TNamed(obj->GetName(),0), fObj(obj) {}
50 TAMEvtObj(TObject* obj, const char *name) : TNamed(name,0), fObj(obj) {}
51 virtual ~TAMEvtObj() { if (fObj!=0) delete fObj; }
52 };
53
54 class BranchProxy : public TObject {
55 // Class that acts as a proxy between the TRefTable, TAM and TBranchRef.
56 // If SetDoProxy(kTRUE) is called TRef branch auto-loading will be done via
57 // TAM loaders.
58 public:
59 BranchProxy(TAMSelector *sel, Bool_t e=kFALSE);
60 virtual ~BranchProxy();
61 void Disable();
62 void Enable();
63 TObject *GetObjectWithID(UInt_t uid, TProcessID *pid);
64 Bool_t Notify();
65
66 protected:
67 Bool_t Load(UInt_t uid, TProcessID *pid, TBranchRef *br, TRefTable *table);
68
69 TAMSelector *fSel; //ptr to TAMSelector (we are a friend)
70 TRefTable *fOrig; //ptr to original TRefTable filled by I/O (owner is TBranchRef)
71 TRefTable *fFake; //ptr to our fake TRefTable of which we are owner
72 Long64_t fCurEntry; //cache of current entry
73 Bool_t fBrRead[1024]; //flag which TBranchRef branch was read
74 };
75
76 TTree *fTree; //!the tree or chain
77 THashTable fBranchTable; //!table of requested branches
78 THashTable fEventObjs; //!table of objects available to any module while the current event is processed
79 TAModule *fAModules; //!the top-most TAModule. nothing but a container for more modules
80 Long64_t fCurEvt; //!the current event
81 TList *fOwnInput; //!keep pointer to own input list in case it was created by us
82 Bool_t fAnalysisAborted; //!true if the analysis should be aborted
83 Bool_t fModAborted; //!true if one or more modules(s) have been aborted
84 Bool_t fEventAborted; //!true if the current event should be aborted
85 Bool_t fActNotify; //!true if notify is active (avoiding recursive calls of Notify())
86 UInt_t fObjCounter; //!keep object counter for resetting it in the process loop
87 UInt_t fObjCounterRun; //!keep object counter for resetting it in the process loop when end of run is reached
88 UInt_t fVerbosity; //true if one wants to print debug info
89 BranchProxy fProxy; //proxy for reference resolving branch loading via TAM
90 Bool_t fDoProxy; //true if TAMSelector should be proxy for TRef branch autoloads
91 Bool_t fDoObjTabClean; //true if TAMSelector should clean the object tables of process id's
92 Bool_t fObjTabClean; //bool to track whether object tables of process id's are currently clean
93 TList fLoaders; //list of data loaders
94
95 void AddNewOutputLists();
96 void CleanObjTable(TProcessID *pid, UInt_t lastKeptUID) const;
97 void ClearAllLoaders();
98 void CopyModsFromInput();
99 Bool_t FindLoader(TAMBranchInfo* brInfo);
100 void LoadBranch(TAMBranchInfo* brInfo);
101 void TakeModsFromInput();
102 void TakeLoadersFromInput();
103 void ZeroAllBranches();
104
105 public:
106 TAMSelector();
107 virtual ~TAMSelector();
108
109 void AbortAnalysis();
110 void AbortEvent();
111 void AbortModule(TAModule* mod);
112 virtual void AddInput(TAModule* mod);
113 void AddLoader(TAMVirtualLoader *loader) { fLoaders.AddLast(loader); }
114 virtual Bool_t AddObjThisEvt(TObject* obj);
115 virtual Bool_t AddObjThisEvt(TObject* obj, const char *name);
116 void Begin(TTree* tree);
117 virtual Bool_t BeginRun() { return kFALSE; }
118 virtual Bool_t EndRun() { return kFALSE; }
119 TAMOutput *FindModOutput(const TAModule* mod);
120 virtual TObject *FindObjThisEvt(const Char_t* name) const;
121 virtual TObject *FindPublicObj(const Char_t* name) const;
122 Long64_t GetCurEvt() const { return fCurEvt; }
123 const TFile *GetCurrentFile() const;
124 TFile *GetCurrentFile();
125 const TAMOutput *GetModOutput() const;
126 TAMOutput *GetModOutput();
127 TObject *GetObjectWithID(UInt_t uid, TProcessID *pid);
128 const TAModule *GetTopModule() const { return fAModules; }
129 const TTree *GetTree() const { return fTree; }
130 Bool_t GetObjTabClean() const { return fObjTabClean; }
131 TTree *GetTree() { return fTree; }
132 UInt_t GetVerbosity() const { return fVerbosity; }
133 void Init(TTree* tree);
134 Bool_t IsAModAborted() const { return fModAborted; }
135 Bool_t IsEventAborted() const { return fEventAborted; }
136 Bool_t IsAnalysisAborted() const { return fAnalysisAborted; }
137 void LoadBranch(const Char_t* bname);
138 Bool_t Notify();
139 Bool_t Process(Int_t entry) { return Process(static_cast<Long64_t>(entry)); }
140 Bool_t Process(Long64_t entry);
141 virtual Bool_t PublishObj(TObject* obj);
142 template <typename T>
143 void ReqBranch(const Char_t* bname, T*& address);
144 virtual TObject *RemoveObjThisEvt(const Char_t* name);
145 virtual TObject *RetractObj(const Char_t* name);
146 void SetDoProxy(Bool_t b) { fDoProxy = b; }
147 void SetDoObjTabClean(Bool_t b) { fDoObjTabClean = b; }
148 void SetVerbosity(UInt_t vb) { fVerbosity = vb; }
149 void SlaveBegin(TTree* tree);
150 void SlaveTerminate();
151 void Terminate();
152 Int_t Version() const { return 1; }
153
154 ClassDef(TAMSelector,8)
155 };
156
157
158 //______________________________________________________________________________
159 template <typename T>
160 inline void TAMSelector::ReqBranch(const Char_t* bname, T*& address)
161 {
162 // Tells the selector that a branch with the given name may be
163 // used by an TAModule and that the the module will access the branch
164 // using the pointer 'address'.
165
166 TAMBranchInfo* brInfo =
167 dynamic_cast<TAMBranchInfo*>( fBranchTable.FindObject(bname) );
168
169 if (brInfo==0) {
170 brInfo = new TAMBranchInfo(bname);
171 fBranchTable.Add(brInfo);
172 }
173
174 if (!brInfo->AddPtr(address))
175 AbortAnalysis();
176 }
177 #endif //ROOT_TAMSelector