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[u/mrichter/AliRoot.git] / ANALYSIS / AliAnalysisManager.h
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d3106602 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 */
5
6/* $Id$ */
7// Author: Andrei Gheata, 31/05/2006
8
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//==============================================================================
15
c52c2132 16#ifndef ROOT_TNamed
17#include <TNamed.h>
d3106602 18#endif
19
20class TClass;
c52c2132 21class TTree;
d3106602 22class AliAnalysisDataContainer;
23class AliAnalysisTask;
d2f1d9ef 24class AliVEventHandler;
8c9485b2 25
d3106602 26
c52c2132 27class AliAnalysisManager : public TNamed {
d3106602 28
29public:
30
31enum EAliAnalysisContType {
c52c2132 32 kExchangeContainer = 0,
d3106602 33 kInputContainer = 1,
34 kOutputContainer = 2
35};
c52c2132 36
37enum EAliAnalysisExecMode {
38 kLocalAnalysis = 0,
39 kProofAnalysis = 1,
40 kGridAnalysis = 2
41};
42
efd53803 43enum EAliAnalysisFlags {
b1310ef5 44 kEventLoop = BIT(14),
45 kDisableBranches = BIT(15)
efd53803 46};
47
6e14aaa2 48 AliAnalysisManager(const char *name = "mgr", const char *title="");
d3106602 49 virtual ~AliAnalysisManager();
c52c2132 50
51 AliAnalysisManager(const AliAnalysisManager& other);
52 AliAnalysisManager& operator=(const AliAnalysisManager& other);
d3106602 53
8c0ab8e8 54 // Management
55 void StartAnalysis(const char *type="local", TTree *tree=0, Long64_t nentries=1234567890, Long64_t firstentry=0);
c52c2132 56
d3106602 57 virtual void Init(TTree *tree);
327eaf46 58 virtual Bool_t Notify();
d3106602 59 virtual void SlaveBegin(TTree *tree);
327eaf46 60 virtual Bool_t ProcessCut(Long64_t entry) {return Process(entry);}
d3106602 61 virtual Bool_t Process(Long64_t entry);
327eaf46 62 virtual Int_t GetEntry(Long64_t entry, Int_t getall = 0);
c52c2132 63 void PackOutput(TList *target);
64 void UnpackOutput(TList *source);
d3106602 65 virtual void Terminate();
66
c52c2132 67 // Getters/Setters
68 static AliAnalysisManager *GetAnalysisManager() {return fgAnalysisManager;}
d3106602 69 TObjArray *GetContainers() const {return fContainers;}
c52c2132 70 UInt_t GetDebugLevel() const {return fDebug;}
d3106602 71 TObjArray *GetInputs() const {return fInputs;}
72 TObjArray *GetOutputs() const {return fOutputs;}
73 TObjArray *GetTasks() const {return fTasks;}
74 TObjArray *GetTopTasks() const {return fTopTasks;}
c52c2132 75 TTree *GetTree() const {return fTree;}
d3106602 76 TObjArray *GetZombieTasks() const {return fZombies;}
c52c2132 77 Long64_t GetCurrentEntry() const {return fCurrentEntry;}
78 EAliAnalysisExecMode
79 GetAnalysisType() const {return fMode;}
80
81 void SetAnalysisType(EAliAnalysisExecMode mode) {fMode = mode;}
82 void SetCurrentEntry(Long64_t entry) {fCurrentEntry = entry;}
83 void SetDebugLevel(UInt_t level) {fDebug = level;}
13ef3bb0 84 void SetSpecialOutputLocation(const char *location) {fSpecialOutputLocation = location;}
b1310ef5 85 void SetDisableBranches(Bool_t disable=kTRUE) {TObject::SetBit(kDisableBranches,disable);}
8c0ab8e8 86 void SetCollectSysInfoEach(Int_t nevents=0) {fNSysInfo = nevents;}
54cff064 87 void SetInputEventHandler(AliVEventHandler* handler) {fInputEventHandler = handler;}
d2f1d9ef 88 void SetOutputEventHandler(AliVEventHandler* handler) {fOutputEventHandler = handler;}
89 void SetMCtruthEventHandler(AliVEventHandler* handler) {fMCtruthEventHandler = handler;}
8c0ab8e8 90 void SetNSysInfo(Long64_t nevents) {fNSysInfo = nevents;}
54cff064 91 AliVEventHandler* GetInputEventHandler() {return fInputEventHandler;}
d2f1d9ef 92 AliVEventHandler* GetOutputEventHandler() {return fOutputEventHandler;}
93 AliVEventHandler* GetMCtruthEventHandler() {return fMCtruthEventHandler;}
d3106602 94
95 // Container handling
96 AliAnalysisDataContainer *CreateContainer(const char *name, TClass *datatype,
c52c2132 97 EAliAnalysisContType type = kExchangeContainer,
98 const char *filename = NULL);
d3106602 99
100 // Including tasks and getting them
101 void AddTask(AliAnalysisTask *task);
102 AliAnalysisTask *GetTask(const char *name) const;
103
104 // Connecting data containers to task inputs/outputs
105 Bool_t ConnectInput(AliAnalysisTask *task, Int_t islot,
106 AliAnalysisDataContainer *cont);
107 Bool_t ConnectOutput(AliAnalysisTask *task, Int_t islot,
108 AliAnalysisDataContainer *cont);
109 // Garbage collection
110 void CleanContainers();
111
112 // Analysis initialization and execution, status
113 Bool_t InitAnalysis();
114 Bool_t IsInitialized() const {return fInitOK;}
efd53803 115 Bool_t IsEventLoop() const {return TObject::TestBit(kEventLoop);}
d3106602 116 void ResetAnalysis();
117 void ExecAnalysis(Option_t *option="");
118 void FinishAnalysis();
119 void PrintStatus(Option_t *option="all") const;
120
121protected:
981f2614 122 void ImportWrappers(TList *source);
efd53803 123 void SetEventLoop(Bool_t flag=kTRUE) {TObject::SetBit(kEventLoop,flag);}
d3106602 124
5daf9fd2 125private:
6bb2b24f 126 TTree *fTree; //! Input tree in case of TSelector model
54cff064 127 AliVEventHandler *fInputEventHandler; // Optional common input event handler
d2f1d9ef 128 AliVEventHandler *fOutputEventHandler; // Optional common output event handler
129 AliVEventHandler *fMCtruthEventHandler; // Optional common MC Truth event handler
6bb2b24f 130 Long64_t fCurrentEntry; //! Current processed entry in the tree
8c0ab8e8 131 Long64_t fNSysInfo; // Event frequency for collecting system information
6bb2b24f 132 EAliAnalysisExecMode fMode; // Execution mode
133 Bool_t fInitOK; // Initialisation done
134 UInt_t fDebug; // Debug level
13ef3bb0 135 TString fSpecialOutputLocation; // URL/path where the special outputs will be copied
6bb2b24f 136 TObjArray *fTasks; // List of analysis tasks
137 TObjArray *fTopTasks; // List of top tasks
138 TObjArray *fZombies; // List of zombie tasks
139 TObjArray *fContainers; // List of all containers
140 TObjArray *fInputs; // List of containers with input data
141 TObjArray *fOutputs; // List of containers with results
5daf9fd2 142
c52c2132 143 static AliAnalysisManager *fgAnalysisManager; //! static pointer to object instance
13ef3bb0 144 ClassDef(AliAnalysisManager,3) // Analysis manager class
d3106602 145};
146#endif