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)
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 TFile *GetFile() const {return fFile;}
56 TClass *GetType() const;
57 AliAnalysisTask *GetProducer() const {return fProducer;}
58 TObjArray *GetConsumers() const {return fConsumers;}
59 virtual void GetEntry(Long64_t ientry);
61 void ResetDataReady() {fDataReady = kFALSE;}
62 virtual Bool_t SetData(TObject *data, Option_t *option="");
63 void SetDataOwned(Bool_t flag) {fOwnedData = flag;}
64 void SetPostEventLoop(Bool_t flag=kTRUE) {TObject::SetBit(kPostEventLoop,flag);}
65 void SetSpecialOutput(Bool_t flag=kTRUE) {TObject::SetBit(kSpecialOutput,flag);}
66 void SetFileName(const char *filename) {fFileName = filename;}
67 void SetFile(TFile *f) {fFile = f;}
68 void SetProducer(AliAnalysisTask *prod, Int_t islot);
69 void AddConsumer(AliAnalysisTask *cons, Int_t islot);
72 AliAnalysisDataWrapper *ExportData() const;
73 void ImportData(AliAnalysisDataWrapper *pack);
74 // Container status checking
75 Bool_t IsDataReady() const {return fDataReady;}
76 Bool_t IsPostEventLoop() const {return TObject::TestBit(kPostEventLoop);}
77 Bool_t IsSpecialOutput() const {return TObject::TestBit(kSpecialOutput);}
78 Bool_t IsOwnedData() const {return fOwnedData;}
79 Bool_t ClientsExecuted() const;
80 Bool_t HasConsumers() const {return (fConsumers != 0);}
81 Bool_t HasProducer() const {return (fProducer != 0);}
83 virtual Long64_t Merge(TCollection *list);
84 // Send a notify signal to the container
85 virtual void NotifyChange(ENotifyMessage /*type*/) {;}
86 // Print connected tasks/status
87 void PrintContainer(Option_t *option="all", Int_t indent=0) const;
90 void SetType(TClass *type) {fType = type;}
93 Bool_t fDataReady; // Flag that data is ready
94 Bool_t fOwnedData; // Flag data ownership
95 TString fFileName; // File storing the data
96 TFile *fFile; //! Opened file
97 TObject *fData; // Contained data
98 TClass *fType; //! Type of contained data
99 AliAnalysisTask *fProducer; // Analysis task to which the slot belongs
100 TObjArray *fConsumers; // List of consumers of the data
102 ClassDef(AliAnalysisDataContainer,1) // Class describing a data container for analysis
105 //==============================================================================
106 // AliAnalysysDataWrapper - A basic wrapper for exchanging via the network
107 // the data held by AliAnalysisDataContainer between the master and the client
109 //==============================================================================
111 class AliAnalysisDataWrapper : public TNamed {
115 enum EAnalysisWrapperFlags {
116 kDeleteData = BIT(14)
118 AliAnalysisDataWrapper() : TNamed(), fData(NULL) {}
119 AliAnalysisDataWrapper(TObject *data);
120 AliAnalysisDataWrapper(const AliAnalysisDataWrapper &other)
121 : TNamed(other), fData(other.fData) {}
122 virtual ~AliAnalysisDataWrapper();
125 AliAnalysisDataWrapper &operator=(const AliAnalysisDataWrapper &other);
127 TObject *Data() const {return fData;}
129 virtual Long64_t Merge(TCollection *list);
130 void SetDeleteData(Bool_t flag=kTRUE) {TObject::SetBit(kDeleteData,flag);}
133 TObject *fData; // Wrapped data
135 ClassDef(AliAnalysisDataWrapper, 1) // Data wrapper class for exchange via the net