Quick Links: ROOT Homepage Class Index Class Hierarchy

Source: header file source file inheritance tree (.pdf)

Sections: class description function members data members class charts

class AliDataLoader: public TNamed


class AliDataLoader

Container of all data needed for full
description of each data type
(Hits, Kine, ...)

Each data loader has a basic standard setup of BaseLoaders
which can be identuified by indexes (defined by EStdBasicLoaders)
Data managed by these standard base loaders has fixed naming convention
e.g. - tree with hits is always named TreeH
(defined in AliLoader::fgkDefaultHitsContainerName)

EStdBasicLoaders   idx     Object Type        Description
kData           0    TTree or TObject     main data itself (hits,digits,...)


User can define and add more basic loaders even Run Time.
Caution: in order to save information about added base loader
user must rewrite Run Loader to galice.file, overwriting old setup

Function Members (Methods)

public:

	AliDataLoader()
	AliDataLoader(const char* filename, const char* contname, const char* name, Option_t* opt = "t")
virtual	~AliDataLoader()
void	TObject::AbstractMethod(const char* method) const
void	AddBaseLoader(AliBaseLoader* bl)
virtual void	TObject::AppendPad(Option_t* option = "")
virtual void	TObject::Browse(TBrowser* b)
Bool_t	Cd()
Bool_t	CheckReload()
static TClass*	Class()
virtual const char*	TObject::ClassName() const
virtual void	Clean()
void	CleanAll()
virtual void	TNamed::Clear(Option_t* option = "")
virtual TObject*	TNamed::Clone(const char* newname = "") const
virtual void	CloseFile()
virtual Int_t	TNamed::Compare(const TObject* obj) const
virtual void	TNamed::Copy(TObject& named) const
virtual void	TObject::Delete(Option_t* option = "")MENU
virtual Int_t	TObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual void	TObject::Draw(Option_t* option = "")
virtual void	TObject::DrawClass() constMENU
virtual TObject*	TObject::DrawClone(Option_t* option = "") constMENU
virtual void	TObject::Dump() constMENU
virtual void	TObject::Error(const char* method, const char* msgfmt) const
virtual void	TObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual void	TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual void	TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual void	TObject::Fatal(const char* method, const char* msgfmt) const
virtual void	TNamed::FillBuffer(char*& buffer)
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
AliObjectLoader*	GetBaseDataLoader()
AliBaseLoader*	GetBaseLoader(const TString& name) const
AliBaseLoader*	GetBaseLoader(Int_t n) const
const Int_t&	GetCompressionLevel() const
TDirectory*	GetDirectory() const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
virtual Int_t	GetEvent()
TFolder*	GetEventFolder()
TFile*	GetFile() const
const TString&	GetFileName() const
const TString&	GetFileOption() const
TFolder*	GetFolder() const
virtual const char*	TObject::GetIconName() const
virtual const char*	TNamed::GetName() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
virtual const char*	TNamed::GetTitle() const
virtual UInt_t	TObject::GetUniqueID() const
virtual Bool_t	TObject::HandleTimer(TTimer* timer)
virtual ULong_t	TNamed::Hash() const
virtual void	TObject::Info(const char* method, const char* msgfmt) const
virtual Bool_t	TObject::InheritsFrom(const char* classname) const
virtual Bool_t	TObject::InheritsFrom(const TClass* cl) const
virtual void	TObject::Inspect() constMENU
void	TObject::InvertBit(UInt_t f)
virtual TClass*	IsA() const
virtual Bool_t	TObject::IsEqual(const TObject* obj) const
Bool_t	IsFileOpen() const
Bool_t	IsFileWritable() const
virtual Bool_t	TObject::IsFolder() const
Bool_t	TObject::IsOnHeap() const
Bool_t	IsOptionContrary(const TString& option) const
virtual Bool_t	TNamed::IsSortable() const
Bool_t	TObject::IsZombie() const
virtual Int_t	Load(Option_t* opt = "")
virtual void	TNamed::ls(Option_t* option = "") const
virtual void	MakeTree()
void	TObject::MayNotUse(const char* method) const
virtual Bool_t	TObject::Notify()
void	TObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
virtual Int_t	OpenFile(Option_t* opt)
static void	TObject::operator delete(void* ptr)
static void	TObject::operator delete(void* ptr, void* vp)
static void	TObject::operator delete[](void* ptr)
static void	TObject::operator delete[](void* ptr, void* vp)
void*	TObject::operator new(size_t sz)
void*	TObject::operator new(size_t sz, void* vp)
void*	TObject::operator new[](size_t sz)
void*	TObject::operator new[](size_t sz, void* vp)
virtual void	TObject::Paint(Option_t* option = "")
virtual void	TObject::Pop()
virtual void	TNamed::Print(Option_t* option = "") const
virtual Int_t	TObject::Read(const char* name)
virtual void	TObject::RecursiveRemove(TObject* obj)
virtual Int_t	Reload()
void	TObject::ResetBit(UInt_t f)
virtual void	TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual void	TObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")
void	SetBaseDataLoader(AliBaseLoader* bl)
void	TObject::SetBit(UInt_t f)
void	TObject::SetBit(UInt_t f, Bool_t set)
virtual void	SetCompressionLevel(Int_t cl)
void	SetDirName(TString& dirname)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
virtual Int_t	SetEvent()
Int_t	SetEventFolder(TFolder* eventfolder)
virtual void	SetFileName(const TString& filename)
void	SetFileNameSuffix(const TString& suffix)
const TString	SetFileOffset(const TString& fname)
virtual void	SetFileOption(Option_t* fileopt)
Int_t	SetFolder(TFolder* folder)
virtual void	TNamed::SetName(const char* name)MENU
virtual void	TNamed::SetNameTitle(const char* name, const char* title)
void	SetNumberOfEventsPerFile(Int_t nevpf)
static void	TObject::SetObjectStat(Bool_t stat)
virtual void	TNamed::SetTitle(const char* title = "")MENU
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	ShowMembers(TMemberInspector&)
virtual Int_t	TNamed::Sizeof() const
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
void	Synchronize()
virtual void	TObject::SysError(const char* method, const char* msgfmt) const
Bool_t	TObject::TestBit(UInt_t f) const
Int_t	TObject::TestBits(UInt_t f) const
virtual TTree*	Tree() const
virtual void	Unload()
void	UnloadAll()
virtual void	TObject::UseCurrentStyle()
virtual void	TObject::Warning(const char* method, const char* msgfmt) const
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
virtual Int_t	WriteData(Option_t* opt = "")

protected:

virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
AliRunLoader*	GetRunLoader()
void	TObject::MakeZombie()

private:

	AliDataLoader(const AliDataLoader&)
AliDataLoader&	operator=(const AliDataLoader&)

Data Members

public:

enum EStdBasicLoaders {	kData
};
enum TObject::EStatusBits {	kCanDelete
	kMustCleanup
	kObjInCanvas
	kIsReferenced
	kHasUUID
	kCannotPick
	kNoContextMenu
	kInvalidObject
};
enum TObject::[unnamed] {	kIsOnHeap
	kNotDeleted
	kZombie
	kBitMask
	kSingleKey
	kOverwrite
	kWriteDelete
};

protected:

TString	TNamed::fName	object identifier
TString	TNamed::fTitle	object title

private:

TObjArray*	fBaseLoaders	base loaders
Int_t	fCompressionLevel	Compression Level of File
TDirectory*	fDirectory	!pointer to TDirectory
TFolder*	fEventFolder	!event folder
TFile*	fFile	! pointer to file
TString	fFileName	name of the file
TString	fFileOption	!file option while opened
TFolder*	fFolder	! folder with data
Int_t	fNEventsPerFile	defines number of events stored per one file

Class Charts

Inheritance Chart:

TNamed

←

AliDataLoader

Function documentation

AliDataLoader()

AliDataLoader(const char* filename, const char* contname, const char* name, Option_t* opt = "t")

constructor
 creates a 0 loader, depending on option, default "T" is specialized loader for trees
 else standard object loader
 trees needs special care, becouse we need to set dir before writing

~AliDataLoader()

dtor

Int_t SetEvent()

 The same that GetEvent but do not post data to folders

Int_t GetEvent()

 posts all loaded data from files to White Board
 event number is defined in RunLoader

returns:
     0  - in case of no error
     1  - event not found

for each base laoder post, if was loaded before GetEvent

Int_t OpenFile(Option_t* opt)

Opens file named 'filename', and assigns pointer to it to 'file'
jumps to fDirectoryectory corresponding to current event and stores the pointer to it in 'fDirectory'
option 'opt' is passed to TFile::Open

void Unload()

unloads main data -  shortcut method

void UnloadAll()

 Unloads all data

Int_t Reload()

 Unloads and loads data again

Int_t WriteData(Option_t* opt = "")

 Writes primary data ==  first BaseLoader

Int_t Load(Option_t* opt = "")

 Writes primary data ==  first BaseLoader

Int_t SetEventFolder(TFolder* eventfolder)

 Sets the event folder

Int_t SetFolder(TFolder* folder)

 Sets the folder and the data loaders

TFolder* GetEventFolder()

 Get EVENT folder
 Data that are changing from event to event, even in single run

AliRunLoader* GetRunLoader()

 Gets the run-loader from event folder

void CloseFile()

 Closes file

void Clean()

 Cleans main data

void CleanAll()

 Cleans all folders

void SetFileNameSuffix(const TString& suffix)

 adds the suffix before ".root",
 e.g. TPC.Digits.root -> TPC.DigitsMerged.root
 made on Jiri Chudoba demand

Bool_t CheckReload()

 Checks if we have to reload given file

const TString SetFileOffset(const TString& fname)

 Return fname

void SetFileOption(Option_t* fileopt)

 Sets file option

void SetCompressionLevel(Int_t cl)

 Sets comression level for data defined by di

void MakeTree()

 Makes tree for the current data loader

Bool_t IsFileWritable() const

 Returns true if file is writable

Bool_t IsFileOpen() const

 Returns true if file is writable

Bool_t IsOptionContrary(const TString& option) const

 Checks if passed option is contrary with file open option
 which is passed option "writable" and existing option not wriable
 in reverse case it is no harm so it is NOT contrary

void AddBaseLoader(AliBaseLoader* bl)

Adds a base loader to lits of base loaders managed by this data loader
Managed data will be stored in proper root directory,
and posted to
 - in case of tree/object - data folder connected with detector associated with this data loader

AliBaseLoader* GetBaseLoader(const TString& name) const

 Return pointer to base loader

AliBaseLoader* GetBaseLoader(Int_t n) const

 Gets the n-th base loader (what is n?)

TTree* Tree() const

 Returns tree from the main base loader
 it is just shortcut method for comfort of user
 main storage object does not have to be Tree  -
 that is why first we need to check if it is a TreeLoader

void SetDirName(TString& dirname)

 Sets the directory name where the files will be stored

AliObjectLoader* GetBaseDataLoader()

 Gets the base data loader

void SetBaseDataLoader(AliBaseLoader* bl)

 Sets data base loader

void Synchronize()

 Synchronizes all writable files

AliDataLoader()

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;}

void SetFileName(const TString& filename)

{fFileName = filename;}

TFolder* GetFolder() const

{return fFolder;}

void SetNumberOfEventsPerFile(Int_t nevpf)

e.g. TPC.Digits.root -> TPC.DigitsMerged.root
made on Jiri Chudoba demand

{fNEventsPerFile = nevpf;}

AliDataLoader& operator=(const AliDataLoader& )