1 #ifndef ALIANALYSISDATACONTAINER_H
2 #define ALIANALYSISDATACONTAINER_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 // AliAnalysysDataContainer - Container of data of arbitrary type deriving
11 // from TObject used for analysis. A container must be connected to the
12 // output data slot of a single analysis task (producer) , but also as
13 // input slot for possibly several other tasks (consumers). The connected
14 // slots must enforce the same data type as the container (or a derived type).
15 // A container becomes the owner of the contained data once this was produced.
16 //==============================================================================
30 class AliAnalysisTask;
31 class AliAnalysisDataWrapper;
33 class AliAnalysisDataContainer : public TNamed {
41 enum EAnalysisContainerFlags {
42 kPostEventLoop = BIT(14),
43 kSpecialOutput = BIT(15),
44 kRegisterDataset = BIT(16)
46 AliAnalysisDataContainer();
47 AliAnalysisDataContainer(const AliAnalysisDataContainer &cont);
48 AliAnalysisDataContainer(const char *name, TClass *type);
49 virtual ~AliAnalysisDataContainer();
52 AliAnalysisDataContainer &operator=(const AliAnalysisDataContainer &cont);
54 TObject *GetData() const {return fData;}
55 const char *GetFileName() const {return fFileName.Data();}
56 const char *GetFolderName() const {return fFolderName.Data();}
57 TFile *GetFile() const {return fFile;}
58 TClass *GetType() const;
59 AliAnalysisTask *GetProducer() const {return fProducer;}
60 TObjArray *GetConsumers() const {return fConsumers;}
61 virtual void GetEntry(Long64_t ientry);
63 void ResetDataReady() {fDataReady = kFALSE;}
64 virtual Bool_t SetData(TObject *data, Option_t *option="");
65 void SetDataOwned(Bool_t flag) {fOwnedData = flag;}
66 void SetPostEventLoop(Bool_t flag=kTRUE) {TObject::SetBit(kPostEventLoop,flag);}
67 void SetSpecialOutput(Bool_t flag=kTRUE) {TObject::SetBit(kSpecialOutput,flag);}
68 void SetRegisterDataset(Bool_t flag=kTRUE) {TObject::SetBit(kRegisterDataset,flag);}
69 void SetFileName(const char *filename);
70 void SetFile(TFile *f) {fFile = f;}
71 void SetProducer(AliAnalysisTask *prod, Int_t islot);
72 void AddConsumer(AliAnalysisTask *cons, Int_t islot);
75 AliAnalysisDataWrapper *ExportData() const;
76 void ImportData(AliAnalysisDataWrapper *pack);
77 // Container status checking
78 Bool_t IsDataReady() const {return fDataReady;}
79 Bool_t IsPostEventLoop() const {return TObject::TestBit(kPostEventLoop);}
80 Bool_t IsSpecialOutput() const {return TObject::TestBit(kSpecialOutput);}
81 Bool_t IsRegisterDataset() const {return TObject::TestBit(kRegisterDataset);}
82 Bool_t IsOwnedData() const {return fOwnedData;}
83 Bool_t ClientsExecuted() const;
84 Bool_t HasConsumers() const {return (fConsumers != 0);}
85 Bool_t HasProducer() const {return (fProducer != 0);}
87 virtual Long64_t Merge(TCollection *list);
88 // Send a notify signal to the container
89 virtual void NotifyChange(ENotifyMessage /*type*/) {;}
90 // Print connected tasks/status
91 void PrintContainer(Option_t *option="all", Int_t indent=0) const;
94 void SetType(TClass *type) {fType = type;}
97 Bool_t fDataReady; // Flag that data is ready
98 Bool_t fOwnedData; // Flag data ownership
99 TString fFileName; // File storing the data
100 TString fFolderName; // Folder name in the output file
101 TFile *fFile; //! Opened file
102 TObject *fData; // Contained data
103 TClass *fType; //! Type of contained data
104 AliAnalysisTask *fProducer; // Analysis task to which the slot belongs
105 TObjArray *fConsumers; // List of consumers of the data
107 ClassDef(AliAnalysisDataContainer,2) // Class describing a data container for analysis
110 //==============================================================================
111 // AliAnalysysDataWrapper - A basic wrapper for exchanging via the network
112 // the data held by AliAnalysisDataContainer between the master and the client
114 //==============================================================================
116 class AliAnalysisDataWrapper : public TNamed {
120 enum EAnalysisWrapperFlags {
121 kDeleteData = BIT(14)
123 AliAnalysisDataWrapper() : TNamed(), fData(NULL) {}
124 AliAnalysisDataWrapper(TObject *data);
125 AliAnalysisDataWrapper(const AliAnalysisDataWrapper &other)
126 : TNamed(other), fData(other.fData) {}
127 virtual ~AliAnalysisDataWrapper();
130 AliAnalysisDataWrapper &operator=(const AliAnalysisDataWrapper &other);
132 TObject *Data() const {return fData;}
134 virtual Long64_t Merge(TCollection *list);
135 void SetDeleteData(Bool_t flag=kTRUE) {TObject::SetBit(kDeleteData,flag);}
138 TObject *fData; // Wrapped data
140 ClassDef(AliAnalysisDataWrapper, 1) // Data wrapper class for exchange via the net