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 //==============================================================================
25 class AliAnalysisTask;
28 class AliAnalysisDataContainer : public TNamed {
36 AliAnalysisDataContainer();
37 AliAnalysisDataContainer(const AliAnalysisDataContainer &cont);
38 AliAnalysisDataContainer(const char *name, TClass *type);
39 virtual ~AliAnalysisDataContainer();
42 AliAnalysisDataContainer &operator=(const AliAnalysisDataContainer &cont);
44 TObject *GetData() const {return fData;}
45 TClass *GetType() const {return fType;}
46 AliAnalysisTask *GetProducer() const {return fProducer;}
47 TObjArray *GetConsumers() const {return fConsumers;}
48 virtual void GetEntry(Long64_t ientry);
50 virtual Bool_t SetData(TObject *data, Option_t *option="");
51 void SetDataOwned(Bool_t flag) {fOwnedData = flag;}
52 void SetFileName(const char *name);
53 void SetProducer(AliAnalysisTask *prod, Int_t islot);
54 void AddConsumer(AliAnalysisTask *cons, Int_t islot);
56 // Container status checking
57 Bool_t IsDataReady() const {return fDataReady;}
58 Bool_t IsOwnedData() const {return fOwnedData;}
59 Bool_t ClientsExecuted() const;
60 Bool_t HasConsumers() const {return (fConsumers != 0);}
61 Bool_t HasProducer() const {return (fProducer != 0);}
62 // Send a notify signal to the container
63 virtual void NotifyChange(ENotifyMessage /*type*/) {;}
64 // Print connected tasks/status
65 void PrintContainer(Option_t *option="all", Int_t indent=0) const;
68 Bool_t fDataReady; // Flag that data is ready
69 Bool_t fOwnedData; // Flag data ownership
70 TString fFileName; // Name of the file that will store the data if requested
71 TObject *fData; // Contained data
72 TClass *fType; // Type of contained data
73 AliAnalysisTask *fProducer; // Analysis task to which the slot belongs
74 TObjArray *fConsumers; // List of consumers of the data
76 ClassDef(AliAnalysisDataContainer,1) // Class describing a data container for analysis