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 //==============================================================================
22 class AliAnalysisDataContainer;
23 class AliAnalysisTask;
24 class AliVirtualEventHandler;
27 class AliAnalysisManager : public TNamed {
31 enum EAliAnalysisContType {
32 kExchangeContainer = 0,
37 enum EAliAnalysisExecMode {
43 enum EAliAnalysisFlags {
45 kDisableBranches = BIT(15)
49 AliAnalysisManager(const char *name, const char *title="");
50 virtual ~AliAnalysisManager();
52 AliAnalysisManager(const AliAnalysisManager& other);
53 AliAnalysisManager& operator=(const AliAnalysisManager& other);
55 void StartAnalysis(const char *type="local", TTree *tree=0);
57 virtual void Init(TTree *tree);
58 virtual void Begin(TTree *tree);
59 virtual Bool_t Notify();
60 virtual void SlaveBegin(TTree *tree);
61 virtual Bool_t ProcessCut(Long64_t entry) {return Process(entry);}
62 virtual Bool_t Process(Long64_t entry);
63 virtual Int_t GetEntry(Long64_t entry, Int_t getall = 0);
64 void PackOutput(TList *target);
65 void UnpackOutput(TList *source);
66 virtual void Terminate();
69 static AliAnalysisManager *GetAnalysisManager() {return fgAnalysisManager;}
70 TObjArray *GetContainers() const {return fContainers;}
71 UInt_t GetDebugLevel() const {return fDebug;}
72 TObjArray *GetInputs() const {return fInputs;}
73 TObjArray *GetOutputs() const {return fOutputs;}
74 TObjArray *GetTasks() const {return fTasks;}
75 TObjArray *GetTopTasks() const {return fTopTasks;}
76 TTree *GetTree() const {return fTree;}
77 TObjArray *GetZombieTasks() const {return fZombies;}
78 Long64_t GetCurrentEntry() const {return fCurrentEntry;}
80 GetAnalysisType() const {return fMode;}
82 void SetAnalysisType(EAliAnalysisExecMode mode) {fMode = mode;}
83 void SetCurrentEntry(Long64_t entry) {fCurrentEntry = entry;}
84 void SetDebugLevel(UInt_t level) {fDebug = level;}
85 void SetDisableBranches(Bool_t disable=kTRUE) {TObject::SetBit(kDisableBranches,disable);}
86 void SetEventHandler(AliVirtualEventHandler* handler) {fEventHandler = handler;}
87 AliVirtualEventHandler*
88 GetEventHandler() {return fEventHandler;}
91 AliAnalysisDataContainer *CreateContainer(const char *name, TClass *datatype,
92 EAliAnalysisContType type = kExchangeContainer,
93 const char *filename = NULL);
95 // Including tasks and getting them
96 void AddTask(AliAnalysisTask *task);
97 AliAnalysisTask *GetTask(const char *name) const;
99 // Connecting data containers to task inputs/outputs
100 Bool_t ConnectInput(AliAnalysisTask *task, Int_t islot,
101 AliAnalysisDataContainer *cont);
102 Bool_t ConnectOutput(AliAnalysisTask *task, Int_t islot,
103 AliAnalysisDataContainer *cont);
104 // Garbage collection
105 void CleanContainers();
107 // Analysis initialization and execution, status
108 Bool_t InitAnalysis();
109 Bool_t IsInitialized() const {return fInitOK;}
110 Bool_t IsEventLoop() const {return TObject::TestBit(kEventLoop);}
111 void ResetAnalysis();
112 void ExecAnalysis(Option_t *option="");
113 void FinishAnalysis();
114 void PrintStatus(Option_t *option="all") const;
117 void ImportWrappers(TList *source);
118 void SetEventLoop(Bool_t flag=kTRUE) {TObject::SetBit(kEventLoop,flag);}
121 TTree *fTree; //! Input tree in case of TSelector model
122 AliVirtualEventHandler *fEventHandler; // Output event handler
123 Long64_t fCurrentEntry; //! Current processed entry in the tree
124 EAliAnalysisExecMode fMode; // Execution mode
125 Bool_t fInitOK; // Initialisation done
126 UInt_t fDebug; // Debug level
127 TObjArray *fTasks; // List of analysis tasks
128 TObjArray *fTopTasks; // List of top tasks
129 TObjArray *fZombies; // List of zombie tasks
130 TObjArray *fContainers; // List of all containers
131 TObjArray *fInputs; // List of containers with input data
132 TObjArray *fOutputs; // List of containers with results
134 static AliAnalysisManager *fgAnalysisManager; //! static pointer to object instance
135 ClassDef(AliAnalysisManager,1) // Analysis manager class