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a9bbb414 | 1 | #ifndef ALIBASELOADER_H |
2 | #define ALIBASELOADER_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //__________________________________________ | |
9 | //////////////////////////////////////////// | |
10 | // // | |
11 | // class AliBaseLoader // | |
12 | // // | |
13 | // Loader responsible for one data type // | |
14 | // i.e. Hits, Kine, etc. // | |
15 | // many objects type can be assciated // | |
16 | // with one data type: storing object // | |
17 | // (usually tree), task producing it, // | |
18 | // Quality Assurance(QA), QA Task, and // | |
19 | // others. // | |
20 | // // | |
21 | // // | |
22 | //////////////////////////////////////////// | |
23 | ||
24 | #include <TDirectory.h> | |
25 | #include <TNamed.h> | |
26 | #include <TString.h> | |
27 | #include <TTask.h> | |
28 | #include <TTree.h> | |
29 | class TFile; | |
30 | class TFolder; | |
31 | ||
32 | class AliLoader; | |
33 | class AliDataLoader; | |
34 | class AliObjectLoader; | |
35 | class AliRunLoader; | |
36 | class AliTaskLoader; | |
37 | class AliTreeLoader; | |
38 | ||
39 | class AliBaseLoader: public TNamed | |
40 | { | |
41 | public: | |
42 | AliBaseLoader(); | |
43 | AliBaseLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE); | |
a9bbb414 | 44 | |
45 | virtual ~AliBaseLoader(){}; | |
46 | ||
47 | virtual Int_t Load(Option_t* opt=""); | |
48 | virtual void Unload(); | |
49 | virtual Int_t Reload(); | |
50 | virtual Int_t WriteData(Option_t* opt=""); | |
51 | virtual void Clean(); | |
52 | virtual Int_t Post();//Takes from file and sends to proper TFolder (Data Folder) | |
53 | virtual Int_t Post(TObject* data);//Sends to proper TFolder (Data Folder) | |
54 | virtual TObject* Get() const = 0; | |
55 | Bool_t IsLoaded()const{return fIsLoaded;} | |
56 | void SetDataLoader(AliDataLoader* dl){fDataLoader = dl;} | |
57 | void SetEventFolder(TFolder* /*ef*/){;} | |
58 | void SetDoNotReload(Bool_t flag){fDoNotReload = flag;} | |
59 | Bool_t DoNotReload() const {return fDoNotReload;} | |
60 | TDirectory* GetDirectory() const;//returns pointer to directory where data are stored. | |
61 | TObject* GetFromDirectory(const char *name) const | |
62 | {return (GetDirectory())?GetDirectory()->Get(name):0x0;} | |
63 | protected: | |
64 | ||
65 | virtual Int_t AddToBoard(TObject* obj) = 0;//add to white board - board can be TTask or TFolder | |
66 | virtual void RemoveFromBoard(TObject* obj) = 0; | |
67 | ||
68 | AliDataLoader* GetDataLoader() const; | |
69 | ||
70 | Bool_t fIsLoaded; //! flag indicating if data are loaded | |
71 | Bool_t fStoreInTopOfFile;// if true, data are stored in top of file ->Indicates fDoNotReload == kTRUE | |
72 | ||
73 | private: | |
dc86eb51 | 74 | |
75 | AliBaseLoader(const AliBaseLoader&); //Not implemented | |
76 | AliBaseLoader& operator=(const AliBaseLoader&); //Not implemented | |
77 | ||
a9bbb414 | 78 | Bool_t fDoNotReload; // if this flag is on object is not reloaded while GetEvent is called. |
79 | //Specially important for tasks. Task loops over events while producing data, | |
80 | //and has a base loader which writes it to file every processed event. | |
81 | //If this flag is not on, while taking next event, loader deletes task | |
82 | // and tries to get new one from file | |
83 | AliDataLoader* fDataLoader; //! pointer to Data Loader this Base Loader belongs to | |
84 | ||
85 | ClassDef(AliBaseLoader,1) | |
86 | }; | |
87 | ||
88 | ||
89 | #endif | |
90 | ||
91 |