TGo4HDF5BasicDataHandle Class Reference

#include <TGo4HDF5DataHandle.h>

Inheritance diagram for TGo4HDF5BasicDataHandle:

Public Member Functions
	TGo4HDF5BasicDataHandle (const char *name, size_t datasize)
virtual	~TGo4HDF5BasicDataHandle ()
void	BuildReadDataset (H5::H5File *file, TGo4HDF5Source *parent) override
void	BuildWriteDataset (H5::H5File *file) override
void	Read (hsize_t sequencenum, H5::H5File *file) override
void	Write (hsize_t sequencenum, H5::H5File *file) override
Public Member Functions inherited from TGo4HDF5DataHandle
	TGo4HDF5DataHandle (const char *name, size_t datasize)
virtual	~TGo4HDF5DataHandle ()
H5::CompType *	GetType () const
const char *	GetTypeName () const
void *	Data () const
void	InsertTypeMember (const H5std_string &name, size_t offset, const H5::DataType &new_member)
void	SetParentOffset (size_t off)
virtual void	SetObjectPointer (void *memptr)
void	SetTopEvent (TGo4EventElement *eve)
void	SetTopEventClass (const char *classname)
void	SetMemberName (const char *name)
void	SetMemberClass (const char *clname)
TGo4HDF5DataHandle *	AddSubMember (const char *name, size_t datasize, const char *collectiontype=nullptr)
TGo4HDF5DataHandle *	GetSubMember (UInt_t ix)
TGo4HDF5DataHandle *	FindSubMember (const char *name)
void	SetActive (Bool_t on)
void	SetAllSubMembersActive (Bool_t on)

Protected Member Functions
void	AllocReadBuffer (size_t size)

Protected Attributes
Char_t *	fxReadBuffer {nullptr}
Protected Attributes inherited from TGo4HDF5DataHandle
TString	fxTypeName
H5::CompType *	fxType {nullptr}
H5::DataSet	fxDataSet
H5::DataSpace *	fxDataSpace {nullptr}
H5::DataSpace	fxFileSpace
ULong_t	fiEntries {0}
void *	fxData {nullptr}
size_t	fiParentOffset {0}
size_t	fiDataSize {0}
size_t	fiReadOffset {0}
std::vector< TGo4HDF5DataHandle * >	fxSubcomponents
TString	fxMemberHandle
TString	fxMemberClass
TGo4EventElement *	fxEvent {nullptr}
TString	fxEventClass
TGo4HDF5Source *	fxParentSource {nullptr}
Bool_t	fbDataSetExists {kFALSE}
Bool_t	fbDataSetActive {kFALSE}

Additional Inherited Members
Static Public Attributes inherited from TGo4HDF5DataHandle
static TGo4HDF5DataHandleFactory	fxFactory

Detailed Description

Handle object to access basic event type datasets in hdf5 formatted file with go4 event data

• Author

  J. Adamczewski-Musch

  Since

  6/2019

Definition at line 197 of file TGo4HDF5DataHandle.h.

Constructor & Destructor Documentation

TGo4HDF5BasicDataHandle()

TGo4HDF5BasicDataHandle::TGo4HDF5BasicDataHandle	(	const char *	name,
		size_t	datasize
	)

create new data handle

Definition at line 221 of file TGo4HDF5DataHandle.cxx.

References go4hdfdbg.

~TGo4HDF5BasicDataHandle()

TGo4HDF5BasicDataHandle::~TGo4HDF5BasicDataHandle ( )

virtual

Definition at line 229 of file TGo4HDF5DataHandle.cxx.

References TGo4HDF5DataHandle::fxTypeName, and go4hdfdbg.

Member Function Documentation

AllocReadBuffer()

void TGo4HDF5BasicDataHandle::AllocReadBuffer ( size_t  size )

protected

(Re-)allocate read buffer depending on the object size read from file

Definition at line 236 of file TGo4HDF5DataHandle.cxx.

References TGo4HDF5DataHandle::fiDataSize, fxReadBuffer, and go4hdfdbg.

Referenced by BuildReadDataset().

BuildReadDataset()

void TGo4HDF5BasicDataHandle::BuildReadDataset ( H5::H5File *  file, TGo4HDF5Source *  parent  )

overridevirtual

create datasets and buffers for reading this structure from hdf5 file. parent pointer is given for error handling case

Reimplemented from TGo4HDF5DataHandle.

Reimplemented in TGo4HDF5SubVectorDataHandle, TGo4HDF5VectorDataHandle, and TGo4HDF5CompositeDataHandle.

Definition at line 246 of file TGo4HDF5DataHandle.cxx.

References AllocReadBuffer(), TGo4HDF5DataHandle::BuildReadDataset(), TGo4Log::Error(), TGo4HDF5DataHandle::fbDataSetExists, TGo4HDF5DataHandle::fiDataSize, TGo4HDF5DataHandle::fiEntries, TGo4HDF5DataHandle::fxDataSet, TGo4HDF5DataHandle::fxDataSpace, TGo4HDF5DataHandle::fxFileSpace, TGo4HDF5DataHandle::fxParentSource, TGo4HDF5DataHandle::fxType, TGo4HDF5DataHandle::fxTypeName, go4hdfdatahandlethrow, go4hdfdbg, go4init::msg, and TGo4EventSource::SetErrMess().

Referenced by TGo4HDF5CompositeDataHandle::BuildReadDataset(), and TGo4HDF5VectorDataHandle::BuildReadDataset().

BuildWriteDataset()

void TGo4HDF5BasicDataHandle::BuildWriteDataset ( H5::H5File *  file )

overridevirtual

create datasets for writing memory structure of type into file.

Reimplemented from TGo4HDF5DataHandle.

Reimplemented in TGo4HDF5SubVectorDataHandle, TGo4HDF5VectorDataHandle, and TGo4HDF5CompositeDataHandle.

Definition at line 402 of file TGo4HDF5DataHandle.cxx.

References TGo4HDF5DataHandle::BuildWriteDataset(), TGo4HDF5DataHandle::fbDataSetActive, TGo4HDF5DataHandle::fbDataSetExists, TGo4HDF5DataHandle::fxData, TGo4HDF5DataHandle::fxDataSet, TGo4HDF5DataHandle::fxDataSpace, TGo4HDF5DataHandle::fxType, TGo4HDF5DataHandle::fxTypeName, and go4hdfdbg.

Referenced by TGo4HDF5CompositeDataHandle::BuildWriteDataset().

Read()

void TGo4HDF5BasicDataHandle::Read ( hsize_t  sequencenum, H5::H5File *  file  )

overridevirtual

Read event of sequence number from file

Reimplemented from TGo4HDF5DataHandle.

Reimplemented in TGo4HDF5SubVectorDataHandle, TGo4HDF5VectorDataHandle, and TGo4HDF5CompositeDataHandle.

Definition at line 423 of file TGo4HDF5DataHandle.cxx.

References TGo4HDF5DataHandle::fbDataSetActive, TGo4HDF5DataHandle::fiDataSize, TGo4HDF5DataHandle::fiReadOffset, TGo4HDF5DataHandle::fxData, TGo4HDF5DataHandle::fxDataSet, TGo4HDF5DataHandle::fxDataSpace, TGo4HDF5DataHandle::fxFileSpace, fxReadBuffer, TGo4HDF5DataHandle::fxType, and TGo4HDF5DataHandle::Read().

Referenced by TGo4HDF5CompositeDataHandle::Read().

Write()

void TGo4HDF5BasicDataHandle::Write ( hsize_t  sequencenum, H5::H5File *  file  )

overridevirtual

Write event of sequence number from file

Reimplemented from TGo4HDF5DataHandle.

Reimplemented in TGo4HDF5SubVectorDataHandle, TGo4HDF5VectorDataHandle, and TGo4HDF5CompositeDataHandle.

Definition at line 449 of file TGo4HDF5DataHandle.cxx.

References TGo4HDF5DataHandle::fbDataSetActive, TGo4HDF5DataHandle::fxData, TGo4HDF5DataHandle::fxDataSet, TGo4HDF5DataHandle::fxDataSpace, TGo4HDF5DataHandle::fxFileSpace, TGo4HDF5DataHandle::fxType, TGo4HDF5DataHandle::fxTypeName, go4hdfdbg, and TGo4HDF5DataHandle::Write().

Referenced by TGo4HDF5CompositeDataHandle::Write().

Member Data Documentation

fxReadBuffer

Char_t* TGo4HDF5BasicDataHandle::fxReadBuffer {nullptr}

protected

secondary read bounce buffer for hdf5

Definition at line 228 of file TGo4HDF5DataHandle.h.

Referenced by AllocReadBuffer(), and Read().

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

• Go4HDF5/TGo4HDF5DataHandle.h
• Go4HDF5/TGo4HDF5DataHandle.cxx