TGo4HDF5Source Class Reference

#include <TGo4HDF5Source.h>

Inheritance diagram for TGo4HDF5Source:

Public Member Functions
	TGo4HDF5Source ()
	TGo4HDF5Source (TGo4HDF5SourceParameter *par)
	TGo4HDF5Source (const char *name)
virtual	~TGo4HDF5Source ()
Bool_t	BuildEvent (TGo4EventElement *dest) override
Public Member Functions inherited from TGo4EventSource
	TGo4EventSource ()
	TGo4EventSource (const char *name)
virtual	~TGo4EventSource ()
void	Clear (Option_t *opt="") override
Int_t	GetCreateStatus () const
Int_t	GetEventStatus () const
const char *	GetErrMess () const
virtual const char *	GetActiveName () const
virtual Bool_t	CheckEventClass (TClass *cl)
Public Member Functions inherited from TGo4HDF5Adapter
	TGo4HDF5Adapter ()
virtual	~TGo4HDF5Adapter ()

Static Public Member Functions
static TList *	ProducesFilesList (const char *mask)
Static Public Member Functions inherited from TGo4HDF5Adapter
static void	AddSubHandle (TGo4HDF5DataHandle *handle, const char *name, const char *type, size_t size, size_t memberoffset, const char *membername, const char *classname, TClass *valueclass)
static void	FillTypeInfo (TGo4HDF5DataHandle *handle, TClass *rootclass, const char *basename=nullptr)
static void	FillTypeInfo (TGo4HDF5DataHandle *handle, const char *membername, const char *memtypename, size_t memberoffset=0, Int_t arraydim=0, TDataMember *member=nullptr)

Protected Member Functions
void	OpenFile (const char *fname) override
void	BuildDataSet (TGo4EventElement *event) override
void	DeleteDataSet () override
Protected Member Functions inherited from TGo4EventSource
void	SetErrMess (const char *txt)
void	SetEventStatus (Int_t status)
void	SetCreateStatus (Int_t status)
void	ThrowError (Int_t creastat, Int_t errstat, const char *message,...)
void	ThrowEOF (Int_t creastat, Int_t errstat, const char *message,...)
Protected Member Functions inherited from TGo4HDF5Adapter
virtual void	CloseFile ()
void	BuildDataType (TGo4EventElement *event, TGo4HDF5DataHandle *parent=nullptr, Int_t index=0)
size_t	ScanEventSize (TGo4EventElement *event)
UInt_t	ConvertFileMode (Go4_H5_File_Flags flags)

Private Member Functions
Bool_t	OpenNextFile ()
Bool_t	CloseCurrentFile ()

Private Attributes
Char_t *	fxReadBuffer {nullptr}
size_t	fiReadOffset {0}
TList *	fxFilesNames {nullptr}
TString	fxCurrentFileName

Friends
class	TGo4HDF5DataHandle
class	TGo4HDF5BasicDataHandle

Additional Inherited Members
Static Public Attributes inherited from TGo4EventSource
static const Int_t	fgiTIMEOUTDEFAULT =1
Static Public Attributes inherited from TGo4HDF5Adapter
static const char *	fgcFILESUF = ".h5"
Protected Types inherited from TGo4EventSource
enum	{ fguTXTLEN = 256 }
Protected Attributes inherited from TGo4HDF5Adapter
H5::H5File *	fxFile {nullptr}
TGo4HDF5DataHandle *	fxHandle {nullptr}
hsize_t	fiFillCount {0}
Bool_t	fbDataSetExists {kFALSE}
TGo4EventElement *	fxEvent {nullptr}
UInt_t	fiFlags {0}

Detailed Description

Event source which reads entries from a dataset in a hdf5 formatted file names of elements in hdf5 data must match the members of the input event class

• Author

  J. Adamczewski-Musch

  Since

  01/2019

Definition at line 34 of file TGo4HDF5Source.h.

Constructor & Destructor Documentation

TGo4HDF5Source() [1/3]

TGo4HDF5Source::TGo4HDF5Source

(

)

Definition at line 57 of file TGo4HDF5Source.cxx.

TGo4HDF5Source() [2/3]

TGo4HDF5Source::TGo4HDF5Source

(

TGo4HDF5SourceParameter *

par

)

Definition at line 46 of file TGo4HDF5Source.cxx.

References fxFilesNames, OpenNextFile(), ProducesFilesList(), and TGo4EventSource::ThrowError().

TGo4HDF5Source() [3/3]

TGo4HDF5Source::TGo4HDF5Source

(

const char *

name

)

Definition at line 37 of file TGo4HDF5Source.cxx.

References fxFilesNames, OpenNextFile(), ProducesFilesList(), and TGo4EventSource::ThrowError().

~TGo4HDF5Source()

TGo4HDF5Source::~TGo4HDF5Source ( )

virtual

Definition at line 63 of file TGo4HDF5Source.cxx.

References CloseCurrentFile(), and fxFilesNames.

Member Function Documentation

BuildDataSet()

void TGo4HDF5Source::BuildDataSet ( TGo4EventElement *  event )

overrideprotectedvirtual

initialize dataset from event structure

Implements TGo4HDF5Adapter.

Definition at line 183 of file TGo4HDF5Source.cxx.

References TGo4HDF5Adapter::BuildDataType(), TGo4HDF5DataHandle::BuildReadDataset(), TGo4Log::Error(), TGo4HDF5Adapter::fbDataSetExists, TGo4HDF5Adapter::fxFile, TGo4HDF5Adapter::fxHandle, go4init::msg, and TGo4EventSource::SetErrMess().

Referenced by BuildEvent().

BuildEvent()

Bool_t TGo4HDF5Source::BuildEvent ( TGo4EventElement *  dest )

overridevirtual

Fill the destination event dest from the tree. If end of tree is reached, the current event counter is reset and a kFALSE value is returned.

Reimplemented from TGo4EventSource.

Definition at line 214 of file TGo4HDF5Source.cxx.

References BuildDataSet(), TGo4Log::Error(), TGo4HDF5Adapter::fiFillCount, TGo4HDF5Adapter::fxEvent, TGo4HDF5Adapter::fxFile, TGo4HDF5Adapter::fxHandle, go4init::msg, TGo4HDF5DataHandle::Read(), TGo4EventSource::SetErrMess(), and TGo4EventSource::ThrowError().

CloseCurrentFile()

Bool_t TGo4HDF5Source::CloseCurrentFile ( )

private

Close currently open file.

Definition at line 149 of file TGo4HDF5Source.cxx.

References TGo4HDF5Adapter::CloseFile(), TGo4Log::Error(), fxCurrentFileName, TGo4Log::Info(), go4init::msg, and TGo4EventSource::SetErrMess().

Referenced by OpenNextFile(), and ~TGo4HDF5Source().

DeleteDataSet()

void TGo4HDF5Source::DeleteDataSet ( )

overrideprotectedvirtual

delete dataset resource

Reimplemented from TGo4HDF5Adapter.

Definition at line 208 of file TGo4HDF5Source.cxx.

References TGo4HDF5Adapter::DeleteDataSet(), and fxReadBuffer.

OpenFile()

void TGo4HDF5Source::OpenFile ( const char *  fname )

overrideprotectedvirtual

opens the hdf5 file of given name for reading

Implements TGo4HDF5Adapter.

Definition at line 165 of file TGo4HDF5Source.cxx.

References TGo4HDF5Adapter::CloseFile(), TGo4Log::Error(), TGo4HDF5Adapter::fgcFILESUF, TGo4HDF5Adapter::fxFile, TGo4Log::Info(), go4init::msg, and TGo4EventSource::SetErrMess().

Referenced by OpenNextFile().

OpenNextFile()

Bool_t TGo4HDF5Source::OpenNextFile ( )

private

Open next file from the files list.

Definition at line 133 of file TGo4HDF5Source.cxx.

References CloseCurrentFile(), fxCurrentFileName, fxFilesNames, and OpenFile().

Referenced by TGo4HDF5Source().

ProducesFilesList()

TList * TGo4HDF5Source::ProducesFilesList ( const char *  mask )

static

Definition at line 73 of file TGo4HDF5Source.cxx.

References TGo4HDF5Adapter::fgcFILESUF.

Referenced by TGo4HDF5Source().

Friends And Related Function Documentation

TGo4HDF5BasicDataHandle

friend class TGo4HDF5BasicDataHandle

friend

Definition at line 37 of file TGo4HDF5Source.h.

TGo4HDF5DataHandle

friend class TGo4HDF5DataHandle

friend

Definition at line 36 of file TGo4HDF5Source.h.

Member Data Documentation

fiReadOffset

size_t TGo4HDF5Source::fiReadOffset {0}

private

begin of real eventdata payload after event object pointer

Definition at line 73 of file TGo4HDF5Source.h.

fxCurrentFileName

TString TGo4HDF5Source::fxCurrentFileName

private

current name of the file

Definition at line 79 of file TGo4HDF5Source.h.

Referenced by CloseCurrentFile(), and OpenNextFile().

fxFilesNames

TList* TGo4HDF5Source::fxFilesNames {nullptr}

private

list of files names

Definition at line 76 of file TGo4HDF5Source.h.

Referenced by OpenNextFile(), TGo4HDF5Source(), and ~TGo4HDF5Source().

fxReadBuffer

Char_t* TGo4HDF5Source::fxReadBuffer {nullptr}

private

read buffer for hdf5

Definition at line 70 of file TGo4HDF5Source.h.

Referenced by DeleteDataSet().

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The documentation for this class was generated from the following files:

• Go4HDF5/TGo4HDF5Source.h
• Go4HDF5/TGo4HDF5Source.cxx