1 #ifndef ALIANALYSISMANAGER_H
2 #define ALIANALYSISMANAGER_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
7 // Author: Andrei Gheata, 31/05/2006
9 //==============================================================================
10 // AliAnalysysManager - Manager analysis class. Allows creation of several
11 // analysis tasks and data containers storing their input/output. Allows
12 // connecting/chaining tasks via shared data containers. Serializes the current
13 // event for all tasks depending only on initial input data.
14 //==============================================================================
23 class AliAnalysisSelector;
24 class AliAnalysisDataContainer;
25 class AliAnalysisTask;
26 class AliVEventHandler;
30 class AliAnalysisManager : public TNamed {
34 enum EAliAnalysisContType {
35 kExchangeContainer = 0,
40 enum EAliAnalysisExecMode {
47 enum EAliAnalysisFlags {
49 kDisableBranches = BIT(15),
53 AliAnalysisManager(const char *name = "mgr", const char *title="");
54 virtual ~AliAnalysisManager();
56 AliAnalysisManager(const AliAnalysisManager& other);
57 AliAnalysisManager& operator=(const AliAnalysisManager& other);
60 void StartAnalysis(const char *type="local", TTree *tree=0, Long64_t nentries=1234567890, Long64_t firstentry=0);
61 void StartAnalysis(const char *type, const char *dataset, Long64_t nentries=1234567890, Long64_t firstentry=0);
63 virtual void Init(TTree *tree);
64 virtual Bool_t Notify();
65 virtual void SlaveBegin(TTree *tree);
66 virtual Bool_t ProcessCut(Long64_t entry) {return Process(entry);}
67 virtual Bool_t Process(Long64_t entry);
68 virtual Int_t GetEntry(Long64_t entry, Int_t getall = 0);
69 TFile *OpenProofFile(const char *name, const char *option);
70 void PackOutput(TList *target);
71 void UnpackOutput(TList *source);
72 virtual void Terminate();
75 static AliAnalysisManager *GetAnalysisManager() {return fgAnalysisManager;}
76 TObjArray *GetContainers() const {return fContainers;}
77 UInt_t GetDebugLevel() const {return fDebug;}
78 TObjArray *GetInputs() const {return fInputs;}
79 TObjArray *GetOutputs() const {return fOutputs;}
80 TObjArray *GetTasks() const {return fTasks;}
81 TObjArray *GetTopTasks() const {return fTopTasks;}
82 TTree *GetTree() const {return fTree;}
83 TObjArray *GetZombieTasks() const {return fZombies;}
84 Long64_t GetCurrentEntry() const {return fCurrentEntry;}
86 GetAnalysisType() const {return fMode;}
87 Bool_t IsUsingDataSet() const {return TObject::TestBit(kUseDataSet);}
89 void SetAnalysisType(EAliAnalysisExecMode mode) {fMode = mode;}
90 void SetCurrentEntry(Long64_t entry) {fCurrentEntry = entry;}
91 void SetDebugLevel(UInt_t level) {fDebug = level;}
92 void SetSpecialOutputLocation(const char *location) {fSpecialOutputLocation = location;}
93 void SetDisableBranches(Bool_t disable=kTRUE) {TObject::SetBit(kDisableBranches,disable);}
94 void SetCollectSysInfoEach(Int_t nevents=0) {fNSysInfo = nevents;}
95 void SetInputEventHandler(AliVEventHandler* handler) {fInputEventHandler = handler;}
96 void SetOutputEventHandler(AliVEventHandler* handler) {fOutputEventHandler = handler;}
97 void SetMCtruthEventHandler(AliVEventHandler* handler) {fMCtruthEventHandler = handler;}
98 void SetEventPool(AliVEventPool* epool) {fEventPool = epool;}
99 void SetNSysInfo(Long64_t nevents) {fNSysInfo = nevents;}
100 void SetSelector(AliAnalysisSelector *sel) {fSelector = sel;}
101 AliVEventHandler* GetInputEventHandler() {return fInputEventHandler;}
102 AliVEventHandler* GetOutputEventHandler() {return fOutputEventHandler;}
103 AliVEventHandler* GetMCtruthEventHandler() {return fMCtruthEventHandler;}
104 AliVEventPool* GetEventPool() {return fEventPool;}
106 // Container handling
107 AliAnalysisDataContainer *CreateContainer(const char *name, TClass *datatype,
108 EAliAnalysisContType type = kExchangeContainer,
109 const char *filename = NULL);
111 // Including tasks and getting them
112 void AddTask(AliAnalysisTask *task);
113 AliAnalysisTask *GetTask(const char *name) const;
115 // Connecting data containers to task inputs/outputs
116 Bool_t ConnectInput(AliAnalysisTask *task, Int_t islot,
117 AliAnalysisDataContainer *cont);
118 Bool_t ConnectOutput(AliAnalysisTask *task, Int_t islot,
119 AliAnalysisDataContainer *cont);
120 // Garbage collection
121 void CleanContainers();
123 // Analysis initialization and execution, status
124 Bool_t InitAnalysis();
125 Bool_t IsInitialized() const {return fInitOK;}
126 Bool_t IsEventLoop() const {return TObject::TestBit(kEventLoop);}
127 void ResetAnalysis();
128 void ExecAnalysis(Option_t *option="");
129 void FinishAnalysis();
130 void PrintStatus(Option_t *option="all") const;
133 void ImportWrappers(TList *source);
134 void SetEventLoop(Bool_t flag=kTRUE) {TObject::SetBit(kEventLoop,flag);}
137 TTree *fTree; //! Input tree in case of TSelector model
138 AliVEventHandler *fInputEventHandler; // Optional common input event handler
139 AliVEventHandler *fOutputEventHandler; // Optional common output event handler
140 AliVEventHandler *fMCtruthEventHandler; // Optional common MC Truth event handler
141 AliVEventPool *fEventPool; // Event pool for mixing analysis
142 Long64_t fCurrentEntry; //! Current processed entry in the tree
143 Long64_t fNSysInfo; // Event frequency for collecting system information
144 EAliAnalysisExecMode fMode; // Execution mode
145 Bool_t fInitOK; // Initialisation done
146 UInt_t fDebug; // Debug level
147 TString fSpecialOutputLocation; // URL/path where the special outputs will be copied
148 TObjArray *fTasks; // List of analysis tasks
149 TObjArray *fTopTasks; // List of top tasks
150 TObjArray *fZombies; // List of zombie tasks
151 TObjArray *fContainers; // List of all containers
152 TObjArray *fInputs; // List of containers with input data
153 TObjArray *fOutputs; // List of containers with results
154 AliAnalysisSelector *fSelector; //! Current selector
156 static AliAnalysisManager *fgAnalysisManager; //! static pointer to object instance
157 ClassDef(AliAnalysisManager,3) // Analysis manager class