Some warning going to error and viceversa:
[u/mrichter/AliRoot.git] / STEER / STEER / AliBaseLoader.h
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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
c93255fe 24class TObject;
a9bbb414 25class TFolder;
a9bbb414 26class AliDataLoader;
c93255fe 27
28#include <TNamed.h>
29#include <TDirectory.h>
30#include <TString.h>
a9bbb414 31
32class AliBaseLoader: public TNamed
33{
34 public:
35 AliBaseLoader();
36 AliBaseLoader(const TString& name, AliDataLoader* dl, Bool_t storeontop = kFALSE);
a9bbb414 37
38 virtual ~AliBaseLoader(){};
39
40 virtual Int_t Load(Option_t* opt="");
41 virtual void Unload();
42 virtual Int_t Reload();
43 virtual Int_t WriteData(Option_t* opt="");
44 virtual void Clean();
45 virtual Int_t Post();//Takes from file and sends to proper TFolder (Data Folder)
46 virtual Int_t Post(TObject* data);//Sends to proper TFolder (Data Folder)
47 virtual TObject* Get() const = 0;
48 Bool_t IsLoaded()const{return fIsLoaded;}
49 void SetDataLoader(AliDataLoader* dl){fDataLoader = dl;}
50 void SetEventFolder(TFolder* /*ef*/){;}
51 void SetDoNotReload(Bool_t flag){fDoNotReload = flag;}
52 Bool_t DoNotReload() const {return fDoNotReload;}
53 TDirectory* GetDirectory() const;//returns pointer to directory where data are stored.
54 TObject* GetFromDirectory(const char *name) const
55 {return (GetDirectory())?GetDirectory()->Get(name):0x0;}
56 protected:
57
58 virtual Int_t AddToBoard(TObject* obj) = 0;//add to white board - board can be TTask or TFolder
59 virtual void RemoveFromBoard(TObject* obj) = 0;
60
61 AliDataLoader* GetDataLoader() const;
62
63 Bool_t fIsLoaded; //! flag indicating if data are loaded
64 Bool_t fStoreInTopOfFile;// if true, data are stored in top of file ->Indicates fDoNotReload == kTRUE
65
66 private:
dc86eb51 67
68 AliBaseLoader(const AliBaseLoader&); //Not implemented
69 AliBaseLoader& operator=(const AliBaseLoader&); //Not implemented
70
a9bbb414 71 Bool_t fDoNotReload; // if this flag is on object is not reloaded while GetEvent is called.
72 //Specially important for tasks. Task loops over events while producing data,
73 //and has a base loader which writes it to file every processed event.
74 //If this flag is not on, while taking next event, loader deletes task
75 // and tries to get new one from file
76 AliDataLoader* fDataLoader; //! pointer to Data Loader this Base Loader belongs to
77
78 ClassDef(AliBaseLoader,1)
79};
80
81
82#endif
83
84