1 #ifndef ALIDATALOADER_H
2 #define ALIDATALOADER_H
3 //__________________________________________
4 ////////////////////////////////////////////
6 // class AliDataLoader //
8 // Loader responsible for one data type //
9 // i.e. Hits, Kine, etc. //
10 // many objects type can be assciated //
11 // with one data type: storing object //
12 // (usually tree), task producing it, //
13 // Quality Assurance(QA), QA Task, and //
17 ////////////////////////////////////////////
22 #include <TDirectory.h>
29 class AliObjectLoader;
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 const TString SetFileOffset(const TString& fname);//adds the proper number before .root extension suffix
78 void SetDirName(TString& dirname);
80 void AddBaseLoader(AliBaseLoader* bl);
81 enum EStdBasicLoaders {kData = 0,kTask,kQA,kQATask};//standard basic loaders identifiers
83 AliBaseLoader* GetBaseLoader(const TString& name) const;
84 AliBaseLoader* GetBaseLoader(Int_t n) const;
85 AliObjectLoader* GetBaseDataLoader();
86 AliTaskLoader* GetBaseTaskLoader();
87 AliBaseLoader* GetBaseQALoader();
88 AliTaskLoader* GetBaseQATaskLoader();
90 void SetBaseDataLoader(AliBaseLoader* bl);
91 void SetBaseTaskLoader(AliTaskLoader* bl);
92 void SetBaseQALoader(AliBaseLoader* bl);
93 void SetBaseQATaskLoader(AliTaskLoader* bl);
95 Bool_t CheckReload();//checks if we have to reload given file
96 Bool_t IsFileWritable() const;
97 Bool_t IsFileOpen() const;
98 Bool_t IsOptionContrary(const TString& option) const;
100 Int_t GetDebug() const;
101 AliRunLoader* GetRunLoader();//gets the run-loader from event folder
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
111 TObjArray* fBaseLoaders;//base loaders
112 Bool_t fHasTask;// flag if has a task
113 TString fTaskName;// name of the task
114 TTask* fParentalTask;//Parental task
116 TFolder* fEventFolder;//!event folder
117 TFolder* fFolder;//! folder with data
120 ClassDef(AliDataLoader,1)
124 //__________________________________________
125 ////////////////////////////////////////////
127 // class AliBaseLoader //
130 ////////////////////////////////////////////
133 class AliBaseLoader: public TNamed
137 AliBaseLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
139 virtual ~AliBaseLoader(){};
141 virtual Int_t Load(Option_t* opt="");
142 virtual void Unload();
143 virtual Int_t Reload();
144 virtual Int_t WriteData(Option_t* opt="");
145 virtual void Clean();
146 virtual Int_t Post();
147 virtual Int_t Post(TObject* data);
148 virtual TObject* Get() const = 0;
149 Bool_t IsLoaded()const{return fIsLoaded;}
150 void SetDataLoader(AliDataLoader* dl){fDataLoader = dl;}
151 void SetEventFolder(TFolder* ef){;}
152 void SetDoNotReload(Bool_t flag){fDoNotReload = flag;}
153 Bool_t DoNotReload() const {return fDoNotReload;}
154 TDirectory* GetDirectory();//returns pointer to directory where data are stored.
155 TObject* GetFromDirectory(const char *name){return (GetDirectory())?GetDirectory()->Get(name):0x0;}
158 virtual Int_t AddToBoard(TObject* obj) = 0;//add to white board - board can be TTask or TFolder
159 virtual void RemoveFromBoard(TObject* obj) = 0;
161 AliDataLoader* GetDataLoader() const;
162 Int_t GetDebug() const;
164 Bool_t fIsLoaded; //! flag indicating if data are loaded
165 Bool_t fStoreInTopOfFile;// if true, data are stored in top of file ->Indicates fDoNotReload == kTRUE
168 Bool_t fDoNotReload; // if this flag is on object is not reloaded while GetEvent is called.
169 //Specially important for tasks. Task loops over events while producing data,
170 //and has a base loader which writes it to file every processed event.
171 //If this flag is not on, while taking next event, loader deletes task
172 // and tries to get new one from file
173 AliDataLoader* fDataLoader; //! pointer to Data Loader this Base Loader belongs to
175 ClassDef(AliBaseLoader,1)
178 //__________________________________________
179 ////////////////////////////////////////////
181 // class AliObjectLoader //
184 ////////////////////////////////////////////
186 class AliObjectLoader: public AliBaseLoader
190 AliObjectLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
191 virtual ~AliObjectLoader(){};
192 TObject* Get() const;
195 TFolder* GetFolder() const;
196 Int_t AddToBoard(TObject* obj);
197 void RemoveFromBoard(TObject* obj);
199 ClassDef(AliObjectLoader,1)
203 //__________________________________________
204 ////////////////////////////////////////////
206 // class AliTreeLoader //
209 ////////////////////////////////////////////
211 class AliTreeLoader: public AliObjectLoader
215 AliTreeLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
216 virtual ~AliTreeLoader(){};
218 virtual TTree* Tree() const {return dynamic_cast<TTree*>(Get());}
219 virtual void MakeTree();
220 virtual Int_t WriteData(Option_t* opt="");
222 ClassDef(AliTreeLoader,1)
225 //__________________________________________
226 ////////////////////////////////////////////
228 // class AliTaskLoader //
231 ////////////////////////////////////////////
233 class AliTaskLoader: public AliBaseLoader
236 AliTaskLoader():fParentalTask(0x0){};
237 AliTaskLoader(const TString& name, AliDataLoader* dl, TTask* parentaltask, Bool_t storeontop = kFALSE);
238 virtual ~AliTaskLoader(){};
240 TObject* Get() const;
241 virtual TTask* Task() const {return dynamic_cast<TTask*>(Get());}
244 Int_t AddToBoard(TObject* obj);
245 void RemoveFromBoard(TObject* obj);
246 TTask* GetParentalTask() const;
249 TTask* fParentalTask;
251 ClassDef(AliTaskLoader,1)