Setting of aliases to rawReader done only once. Base decision on cosmic or calib...
[u/mrichter/AliRoot.git] / STEER / STEER / AliDataLoader.h
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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 */
5
6/* $Id$ */
7
8//__________________________________________
9////////////////////////////////////////////
10// //
11// class AliDataLoader //
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) //
18// //
19////////////////////////////////////////////
20
21class TTree;
22class TFile;
23class TFolder;
24
25class AliBaseLoader;
26class AliObjectLoader;
27class AliRunLoader;
28
29#include <TDirectory.h>
30#include <TNamed.h>
31#include <TString.h>
32
33class AliDataLoader: public TNamed
34 {
35 public:
36 AliDataLoader();
37 AliDataLoader(const char* filename, const char* contname, const char* name, Option_t* opt = "t");
38 virtual ~AliDataLoader();
39
40 virtual Int_t SetEvent();
41 virtual Int_t GetEvent();
42
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;
49 virtual void Clean();
50 virtual void MakeTree();
51 virtual Int_t OpenFile(Option_t* opt);
52
53 virtual void CloseFile();
54 void UnloadAll();
55 void CleanAll();
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;}
61
62 Bool_t Cd(){return (fDirectory)?fDirectory->cd():kFALSE;}
63
64 virtual void SetFileName(const TString& filename){fFileName = filename;}
65 virtual void SetFileOption(const Option_t* fileopt);
66 virtual void SetCompressionLevel(Int_t cl);
67
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;}
72
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);
81
82 void AddBaseLoader(AliBaseLoader* bl);
83 enum EStdBasicLoaders {kData = 0};//standard basic loaders identifiers
84
85 AliBaseLoader* GetBaseLoader(const TString& name) const;
86 AliBaseLoader* GetBaseLoader(Int_t n) const;
87 AliObjectLoader* GetBaseDataLoader();
88
89 void SetBaseDataLoader(AliBaseLoader* bl);
90
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;
95
96 void Synchronize();
97
98 protected:
99 AliRunLoader* GetRunLoader();//gets the run-loader from event folder
100
101 private:
102 AliDataLoader(const AliDataLoader&); //Not implemented
103 AliDataLoader& operator=(const AliDataLoader&); //Not implemented
104
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
111
112 TObjArray* fBaseLoaders;//base loaders
113
114 TFolder* fEventFolder;//!event folder
115 TFolder* fFolder;//! folder with data
116
117 ClassDef(AliDataLoader,3)
118 };
119
120#endif
121
122