[u/mrichter/AliRoot.git] / STEER / AliDataLoader.h

#ifndef ALIDATALOADER_H
#define ALIDATALOADER_H
//__________________________________________
////////////////////////////////////////////
//                                        //
//  class AliDataLoader                   //
//                                        //
//  Loader responsible for one data type  //
//  i.e. Hits, Kine, etc.                 //
//  many objects type can be assciated    //
//  with one data type: storing object    //
//  (usually tree), task producing it,    //
//  Quality Assurance(QA), QA Task, and   //
//  others.                               //
//                                        //
//                                        //
////////////////////////////////////////////
#include <TNamed.h>
#include <TString.h>
#include <TTree.h>
#include <TTask.h>
#include <TDirectory.h>

class AliLoader;
class TFile;
class TFolder;
class AliRunLoader;
class AliBaseLoader;
class AliObjectLoader;
class AliTreeLoader;
class AliTaskLoader;

class AliDataLoader: public TNamed
 {
  public:
   AliDataLoader();
   AliDataLoader(const char* filename, const char* contname, const char* name, Option_t* opt = "t");
   virtual ~AliDataLoader();

   virtual Int_t      SetEvent();
   virtual Int_t      GetEvent();

   //shrtcuts method to basic data base loader 0  
   virtual Int_t      Load(Option_t* opt="");
   virtual void       Unload();
   virtual Int_t      Reload(); 
   virtual Int_t      WriteData(Option_t* opt="");
   virtual TTree*     Tree() const;
   virtual void       Clean();
   virtual void       MakeTree();
   virtual Int_t      OpenFile(Option_t* opt);

   virtual void       CloseFile();
   void               UnloadAll();
   void               CleanAll();
   const TString&     GetFileName() const {return fFileName;}
   TFile*             GetFile() const {return fFile;}
   TDirectory*        GetDirectory() const {return fDirectory;}
   const TString&     GetFileOption() const {return fFileOption;}
   const Int_t&       GetCompressionLevel() const {return fCompressionLevel;}
   
   Bool_t             cd(){return (fDirectory)?fDirectory->cd():kFALSE;}
   
   virtual void       SetFileName(const TString& filename){fFileName = filename;}
   virtual void       SetFileOption(const Option_t* fileopt);
   virtual void       SetCompressionLevel(Int_t cl);

   Int_t              SetEventFolder(TFolder* eventfolder);//sets the event folder
   Int_t              SetFolder(TFolder* folder);//sets the data folder ??????
   TFolder*           GetEventFolder();
   TFolder*           GetFolder() const {return fFolder;}
   
//   TObject*           GetFromDirectory(const char *name){return (fDirectory)?fDirectory->Get(name):0x0;}
   void               SetFileNameSuffix(const TString& suffix);//adds the suffix before ".root", 
                                                               //e.g. TPC.Digits.root -> TPC.DigitsMerged.root
                                                               //made on Jiri Chudoba demand
   const TString      SetFileOffset(const TString& fname);//adds the proper number before .root extension suffix
   void               SetDirName(TString& dirname);

   void               AddBaseLoader(AliBaseLoader* bl);
   enum EStdBasicLoaders {kData = 0,kTask,kQA,kQATask};//standard basic loaders identifiers

   AliBaseLoader*     GetBaseLoader(const TString& name) const;
   AliBaseLoader*     GetBaseLoader(Int_t n) const;
   AliObjectLoader*   GetBaseDataLoader();
   AliTaskLoader*     GetBaseTaskLoader();
   AliBaseLoader*     GetBaseQALoader();
   AliTaskLoader*     GetBaseQATaskLoader();
   
   void               SetBaseDataLoader(AliBaseLoader* bl);
   void               SetBaseTaskLoader(AliTaskLoader* bl);
   void               SetBaseQALoader(AliBaseLoader* bl);
   void               SetBaseQATaskLoader(AliTaskLoader* bl);
   
   Bool_t             CheckReload();//checks if we have to reload given file
   Bool_t             IsFileWritable() const;
   Bool_t             IsFileOpen() const;
   Bool_t             IsOptionContrary(const TString& option) const;
  protected:
   Int_t              GetDebug() const;
   AliRunLoader*      GetRunLoader();//gets the run-loader from event folder

  private:
      
   TString      fFileName; //name of the file 
   TFile*       fFile; //! pointer to file 
   TDirectory*  fDirectory; //!pointer to TDirectory
   TString      fFileOption; //!file option while opened 
   Int_t        fCompressionLevel; //Compression Level of File
   
   TObjArray*   fBaseLoaders;//base loaders
   Bool_t       fHasTask;// flag if has a task
   TString      fTaskName;// name of the task
   TTask*       fParentalTask;//Parental task

   TFolder*     fEventFolder;//!event folder
   TFolder*     fFolder;//! folder with data
   
  public:
   ClassDef(AliDataLoader,1)
 };


//__________________________________________
////////////////////////////////////////////
//                                        //
//  class AliBaseLoader                   //
//                                        //
//                                        //
////////////////////////////////////////////


class AliBaseLoader: public TNamed
{
  public:
    AliBaseLoader();
    AliBaseLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
    
    virtual ~AliBaseLoader(){};
     
    virtual Int_t      Load(Option_t* opt="");
    virtual void       Unload();
    virtual Int_t      Reload();
    virtual Int_t      WriteData(Option_t* opt="");
    virtual void       Clean();
    virtual Int_t      Post();
    virtual Int_t      Post(TObject* data);
    virtual TObject*   Get() const = 0; 
    Bool_t             IsLoaded()const{return fIsLoaded;}
    void               SetDataLoader(AliDataLoader* dl){fDataLoader = dl;}
    void               SetEventFolder(TFolder* ef){;}
    void               SetDoNotReload(Bool_t flag){fDoNotReload = flag;}
    Bool_t             DoNotReload() const {return fDoNotReload;}
    TDirectory*        GetDirectory();//returns pointer to directory where data are stored. 
    TObject*           GetFromDirectory(const char *name){return (GetDirectory())?GetDirectory()->Get(name):0x0;}    
   protected:
    
    virtual Int_t      AddToBoard(TObject* obj) = 0;//add to white board - board can be TTask or TFolder
    virtual void       RemoveFromBoard(TObject* obj) = 0;
    
    AliDataLoader*     GetDataLoader() const;
    Int_t              GetDebug() const;

    Bool_t             fIsLoaded;    //!  flag indicating if data are loaded
    Bool_t             fStoreInTopOfFile;// if true, data are stored in top of file ->Indicates fDoNotReload == kTRUE

   private:
    Bool_t             fDoNotReload; // if this flag is on object is not reloaded while GetEvent is called.
                                     //Specially important for tasks. Task loops over events while producing data, 
	                 //and has a base loader which writes it to file every processed event.
	                 //If this flag is not on, while taking next event, loader deletes task
	                 // and tries to get new one from file
    AliDataLoader*     fDataLoader;  //! pointer to Data Loader this Base Loader belongs to

 ClassDef(AliBaseLoader,1)    
};

//__________________________________________
////////////////////////////////////////////
//                                        //
//  class AliObjectLoader                 //
//                                        //
//                                        //
////////////////////////////////////////////

class AliObjectLoader: public AliBaseLoader
 {
   public:
     AliObjectLoader(){};
     AliObjectLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
     virtual          ~AliObjectLoader(){};
     TObject*          Get() const;

   protected:
     TFolder*          GetFolder() const;
     Int_t             AddToBoard(TObject* obj);
     void              RemoveFromBoard(TObject* obj);

 ClassDef(AliObjectLoader,1)    
  
 };

//__________________________________________
////////////////////////////////////////////
//                                        //
//  class AliTreeLoader                   //
//                                        //
//                                        //
////////////////////////////////////////////

class AliTreeLoader: public AliObjectLoader
 {
   public:
     AliTreeLoader(){};
     AliTreeLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
     virtual ~AliTreeLoader(){};
     
     virtual TTree*     Tree() const {return dynamic_cast<TTree*>(Get());}
     virtual void       MakeTree();
     virtual Int_t      WriteData(Option_t* opt="");

   ClassDef(AliTreeLoader,1)    
 };

//__________________________________________
////////////////////////////////////////////
//                                        //
//  class AliTaskLoader                   //
//                                        //
//                                        //
////////////////////////////////////////////
 
class AliTaskLoader: public AliBaseLoader
 {
  public:
    AliTaskLoader():fParentalTask(0x0){};
    AliTaskLoader(const TString& name, AliDataLoader* dl, TTask* parentaltask, Bool_t storeontop = kFALSE);
    virtual ~AliTaskLoader(){};
    
    TObject*           Get() const; 
    virtual TTask*     Task() const {return dynamic_cast<TTask*>(Get());}

  protected:
    Int_t              AddToBoard(TObject* obj);
    void               RemoveFromBoard(TObject* obj);
    TTask*             GetParentalTask() const;

  private:
    TTask*             fParentalTask;

  ClassDef(AliTaskLoader,1)    
 };

#endif
Commit	Line	Data
88cb7938	1	#ifndef ALIDATALOADER_H
	2	#define ALIDATALOADER_H
	3	//__________________________________________
	4	////////////////////////////////////////////
	5	// //
	6	// class AliDataLoader //
	7	// //
	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 //
	14	// others. //
	15	// //
	16	// //
	17	////////////////////////////////////////////
	18	#include <TNamed.h>
	19	#include <TString.h>
	20	#include <TTree.h>
	21	#include <TTask.h>
	22	#include <TDirectory.h>
	23
	24	class AliLoader;
	25	class TFile;
	26	class TFolder;
	27	class AliRunLoader;
	28	class AliBaseLoader;
	29	class AliObjectLoader;
	30	class AliTreeLoader;
	31	class AliTaskLoader;
	32
	33	class 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	const TString SetFileOffset(const TString& fname);//adds the proper number before .root extension suffix
78	void SetDirName(TString& dirname);
79
80	void AddBaseLoader(AliBaseLoader* bl);
81	enum EStdBasicLoaders {kData = 0,kTask,kQA,kQATask};//standard basic loaders identifiers
82
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();
89
90	void SetBaseDataLoader(AliBaseLoader* bl);
91	void SetBaseTaskLoader(AliTaskLoader* bl);
92	void SetBaseQALoader(AliBaseLoader* bl);
93	void SetBaseQATaskLoader(AliTaskLoader* bl);
94
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;
99	protected:
100	Int_t GetDebug() const;
101	AliRunLoader* GetRunLoader();//gets the run-loader from event folder
102
103	private:
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
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
115
116	TFolder* fEventFolder;//!event folder
117	TFolder* fFolder;//! folder with data
118
119	public:
120	ClassDef(AliDataLoader,1)
121	};
122
123
124	//__________________________________________
125	////////////////////////////////////////////
126	// //
127	// class AliBaseLoader //
128	// //
129	// //
130	////////////////////////////////////////////
131
132
133	class AliBaseLoader: public TNamed
134	{
135	public:
136	AliBaseLoader();
137	AliBaseLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
138
139	virtual ~AliBaseLoader(){};
140
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;}
156	protected:
157
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;
160
161	AliDataLoader* GetDataLoader() const;
162	Int_t GetDebug() const;
163
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
166
167	private:
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
174
175	ClassDef(AliBaseLoader,1)
176	};
177
178	//__________________________________________
179	////////////////////////////////////////////
180	// //
181	// class AliObjectLoader //
182	// //
183	// //
184	////////////////////////////////////////////
185
186	class AliObjectLoader: public AliBaseLoader
187	{
188	public:
189	AliObjectLoader(){};
190	AliObjectLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
191	virtual ~AliObjectLoader(){};
192	TObject* Get() const;
193
194	protected:
195	TFolder* GetFolder() const;
196	Int_t AddToBoard(TObject* obj);
197	void RemoveFromBoard(TObject* obj);
198
199	ClassDef(AliObjectLoader,1)
200
201	};
202
203	//__________________________________________
204	////////////////////////////////////////////
205	// //
206	// class AliTreeLoader //
207	// //
208	// //
209	////////////////////////////////////////////
210
211	class AliTreeLoader: public AliObjectLoader
212	{
213	public:
214	AliTreeLoader(){};
215	AliTreeLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
216	virtual ~AliTreeLoader(){};
217
218	virtual TTree* Tree() const {return dynamic_cast<TTree*>(Get());}
219	virtual void MakeTree();
220	virtual Int_t WriteData(Option_t* opt="");
221
222	ClassDef(AliTreeLoader,1)
223	};
224
225	//__________________________________________
226	////////////////////////////////////////////
227	// //
228	// class AliTaskLoader //
229	// //
230	// //
231	////////////////////////////////////////////
232
233	class AliTaskLoader: public AliBaseLoader
234	{
235	public:
236	AliTaskLoader():fParentalTask(0x0){};
237	AliTaskLoader(const TString& name, AliDataLoader* dl, TTask* parentaltask, Bool_t storeontop = kFALSE);
238	virtual ~AliTaskLoader(){};
239
240	TObject* Get() const;
241	virtual TTask* Task() const {return dynamic_cast<TTask*>(Get());}
242
243	protected:
244	Int_t AddToBoard(TObject* obj);
245	void RemoveFromBoard(TObject* obj);
246	TTask* GetParentalTask() const;
247
248	private:
249	TTask* fParentalTask;
250
251	ClassDef(AliTaskLoader,1)
252	};
253
254	#endif
255
256