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;
30 class AliAnalysisDataWrapper;
33 class AliAnalysisDataContainer : public TNamed {
41 enum EAnalysisContainerFlags {
42 kPostEventLoop = BIT(14),
43 kSpecialOutput = BIT(15)
45 AliAnalysisDataContainer();
46 AliAnalysisDataContainer(const AliAnalysisDataContainer &cont);
47 AliAnalysisDataContainer(const char *name, TClass *type);
48 virtual ~AliAnalysisDataContainer();
51 AliAnalysisDataContainer &operator=(const AliAnalysisDataContainer &cont);
53 TObject *GetData() const {return fData;}
54 const char *GetFileName() const {return fFileName.Data();}
55 TClass *GetType() const;
56 AliAnalysisTask *GetProducer() const {return fProducer;}
57 TObjArray *GetConsumers() const {return fConsumers;}
58 virtual void GetEntry(Long64_t ientry);
60 void ResetDataReady() {fDataReady = kFALSE;}
61 virtual Bool_t SetData(TObject *data, Option_t *option="");
62 void SetDataOwned(Bool_t flag) {fOwnedData = flag;}
63 void SetPostEventLoop(Bool_t flag=kTRUE) {TObject::SetBit(kPostEventLoop,flag);}
64 void SetSpecialOutput(Bool_t flag=kTRUE) {TObject::SetBit(kSpecialOutput,flag);}
65 void SetFileName(const char *filename) {fFileName = filename;}
66 void SetProducer(AliAnalysisTask *prod, Int_t islot);
67 void AddConsumer(AliAnalysisTask *cons, Int_t islot);
70 AliAnalysisDataWrapper *ExportData() const;
71 void ImportData(AliAnalysisDataWrapper *pack);
72 // Container status checking
73 Bool_t IsDataReady() const {return fDataReady;}
74 Bool_t IsPostEventLoop() const {return TObject::TestBit(kPostEventLoop);}
75 Bool_t IsSpecialOutput() const {return TObject::TestBit(kSpecialOutput);}
76 Bool_t IsOwnedData() const {return fOwnedData;}
77 Bool_t ClientsExecuted() const;
78 Bool_t HasConsumers() const {return (fConsumers != 0);}
79 Bool_t HasProducer() const {return (fProducer != 0);}
81 virtual Long64_t Merge(TCollection *list);
82 // Send a notify signal to the container
83 virtual void NotifyChange(ENotifyMessage /*type*/) {;}
84 // Print connected tasks/status
85 void PrintContainer(Option_t *option="all", Int_t indent=0) const;
88 void SetType(TClass *type) {fType = type;}
91 Bool_t fDataReady; // Flag that data is ready
92 Bool_t fOwnedData; // Flag data ownership
93 TString fFileName; // File storing the data
94 TObject *fData; // Contained data
95 TClass *fType; //! Type of contained data
96 AliAnalysisTask *fProducer; // Analysis task to which the slot belongs
97 TObjArray *fConsumers; // List of consumers of the data
99 ClassDef(AliAnalysisDataContainer,1) // Class describing a data container for analysis
102 //==============================================================================
103 // AliAnalysysDataWrapper - A basic wrapper for exchanging via the network
104 // the data held by AliAnalysisDataContainer between the master and the client
106 //==============================================================================
108 class AliAnalysisDataWrapper : public TNamed {
112 enum EAnalysisWrapperFlags {
113 kDeleteData = BIT(14)
115 AliAnalysisDataWrapper() : TNamed(), fData(NULL) {}
116 AliAnalysisDataWrapper(TObject *data);
117 AliAnalysisDataWrapper(const AliAnalysisDataWrapper &other)
118 : TNamed(other), fData(other.fData) {}
119 virtual ~AliAnalysisDataWrapper();
122 AliAnalysisDataWrapper &operator=(const AliAnalysisDataWrapper &other);
124 TObject *Data() const {return fData;}
126 virtual Long64_t Merge(TCollection *list);
127 void SetDeleteData(Bool_t flag=kTRUE) {TObject::SetBit(kDeleteData,flag);}
130 TObject *fData; // Wrapped data
132 ClassDef(AliAnalysisDataWrapper, 1) // Data wrapper class for exchange via the net