1 #ifndef ALIDATALOADER_H
2 #define ALIDATALOADER_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //__________________________________________
9 ////////////////////////////////////////////
11 // class AliDataLoader //
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 //
19 ////////////////////////////////////////////
26 class AliObjectLoader;
29 #include <TDirectory.h>
33 class AliDataLoader: public TNamed
37 AliDataLoader(const char* filename, const char* contname, const char* name, Option_t* opt = "t");
38 virtual ~AliDataLoader();
40 virtual Int_t SetEvent();
41 virtual Int_t GetEvent();
43 //shrtcuts method to basic data base loader 0
44 virtual Int_t Load(Option_t* opt="");
45 virtual void Unload();
46 virtual Int_t Reload();
47 virtual Int_t WriteData(Option_t* opt="");
48 virtual TTree* Tree() const;
50 virtual void MakeTree();
51 virtual Int_t OpenFile(Option_t* opt);
53 virtual void CloseFile();
56 const TString& GetFileName() const {return fFileName;}
57 TFile* GetFile() const {return fFile;}
58 TDirectory* GetDirectory() const {return fDirectory;}
59 const TString& GetFileOption() const {return fFileOption;}
60 const Int_t& GetCompressionLevel() const {return fCompressionLevel;}
62 Bool_t Cd(){return (fDirectory)?fDirectory->cd():kFALSE;}
64 virtual void SetFileName(const TString& filename){fFileName = filename;}
65 virtual void SetFileOption(const Option_t* fileopt);
66 virtual void SetCompressionLevel(Int_t cl);
68 Int_t SetEventFolder(TFolder* eventfolder);//sets the event folder
69 Int_t SetFolder(TFolder* folder);//sets the data folder ??????
70 TFolder* GetEventFolder();
71 TFolder* GetFolder() const {return fFolder;}
73 // TObject* GetFromDirectory(const char *name){return (fDirectory)?fDirectory->Get(name):0x0;}
74 void SetFileNameSuffix(const TString& suffix);//adds the suffix before ".root",
75 //e.g. TPC.Digits.root -> TPC.DigitsMerged.root
76 //made on Jiri Chudoba demand
77 void SetNumberOfEventsPerFile(Int_t nevpf)
78 {fNEventsPerFile = nevpf;}
79 const TString SetFileOffset(const TString& fname);//adds the proper number before .root extension suffix
80 void SetDirName(TString& dirname);
82 void AddBaseLoader(AliBaseLoader* bl);
83 enum EStdBasicLoaders {kData = 0};//standard basic loaders identifiers
85 AliBaseLoader* GetBaseLoader(const TString& name) const;
86 AliBaseLoader* GetBaseLoader(Int_t n) const;
87 AliObjectLoader* GetBaseDataLoader();
89 void SetBaseDataLoader(AliBaseLoader* bl);
91 Bool_t CheckReload();//checks if we have to reload given file
92 Bool_t IsFileWritable() const;
93 Bool_t IsFileOpen() const;
94 Bool_t IsOptionContrary(const TString& option) const;
99 AliRunLoader* GetRunLoader();//gets the run-loader from event folder
102 AliDataLoader(const AliDataLoader&); //Not implemented
103 AliDataLoader& operator=(const AliDataLoader&); //Not implemented
105 TString fFileName; //name of the file
106 TFile* fFile; //! pointer to file
107 TDirectory* fDirectory; //!pointer to TDirectory
108 TString fFileOption; //!file option while opened
109 Int_t fCompressionLevel; //Compression Level of File
110 Int_t fNEventsPerFile; //defines number of events stored per one file
112 TObjArray* fBaseLoaders;//base loaders
114 TFolder* fEventFolder;//!event folder
115 TFolder* fFolder;//! folder with data
117 ClassDef(AliDataLoader,3)