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 //==============================================================================
29 class AliAnalysisTask;
32 class AliAnalysisDataContainer : public TNamed {
40 AliAnalysisDataContainer();
41 AliAnalysisDataContainer(const AliAnalysisDataContainer &cont);
42 AliAnalysisDataContainer(const char *name, TClass *type);
43 virtual ~AliAnalysisDataContainer();
46 AliAnalysisDataContainer &operator=(const AliAnalysisDataContainer &cont);
48 TObject *GetData() const {return fData;}
49 const char *GetFileName() const {return fFileName.Data();}
50 TClass *GetType() const;
51 AliAnalysisTask *GetProducer() const {return fProducer;}
52 TObjArray *GetConsumers() const {return fConsumers;}
53 virtual void GetEntry(Long64_t ientry);
55 void ResetDataReady() {fDataReady = kFALSE;}
56 virtual Bool_t SetData(TObject *data, Option_t *option="");
57 void SetDataOwned(Bool_t flag) {fOwnedData = flag;}
58 void SetFileName(const char *filename) {fFileName = filename;}
59 void SetProducer(AliAnalysisTask *prod, Int_t islot);
60 void AddConsumer(AliAnalysisTask *cons, Int_t islot);
62 // Container status checking
63 Bool_t IsDataReady() const {return fDataReady;}
64 Bool_t IsOwnedData() const {return fOwnedData;}
65 Bool_t ClientsExecuted() const;
66 Bool_t HasConsumers() const {return (fConsumers != 0);}
67 Bool_t HasProducer() const {return (fProducer != 0);}
69 virtual Long64_t Merge(TCollection *list);
70 // Send a notify signal to the container
71 virtual void NotifyChange(ENotifyMessage /*type*/) {;}
72 // Print connected tasks/status
73 void PrintContainer(Option_t *option="all", Int_t indent=0) const;
76 void SetType(TClass *type) {fType = type;}
79 Bool_t fDataReady; // Flag that data is ready
80 Bool_t fOwnedData; // Flag data ownership
81 TString fFileName; // File storing the data
82 TObject *fData; // Contained data
83 TClass *fType; //! Type of contained data
84 AliAnalysisTask *fProducer; // Analysis task to which the slot belongs
85 TObjArray *fConsumers; // List of consumers of the data
87 ClassDef(AliAnalysisDataContainer,1) // Class describing a data container for analysis