RootStorageSvc::RNTupleWriterHelper Class Reference

#include <RNTupleWriterHelper.h>

Inheritance diagram for RootStorageSvc::RNTupleWriterHelper:

Collaboration diagram for RootStorageSvc::RNTupleWriterHelper:

Public Types
typedef std::tuple< std::string, std::string, void * >	attrDataTuple
	Add a new field to the RNTuple, collect the data pointer for the commit. More...

Public Member Functions
	RNTupleWriterHelper (TFile *file, const std::string &ntupleName, bool enableBufferedWrite, bool enableMetrics)
	Constructor. More...
	~RNTupleWriterHelper ()=default
	Default Destructor. More...
void	makeNewEntry ()
	Create a new empty RNTuple row with the current model (fields) More...
void	addAttribute (const attrDataTuple &in)
void	addField (const std::string &field_name, const std::string &attr_type)
	Add a new field to the RNTuple. More...
void	addFieldValue (const std::string &field_name, void *attr_data)
	Supply data address for a given field. More...
int	commit ()
	Commit the data. More...
const std::string &	getName () const
	Name of the RNTuple. More...
size_t	size () const
	Size of the RNTuple. More...
bool	needsCommit () const
	Check if any data needs to be committed. More...
bool	isGrouped () const
	Is this RNTuple used by more than one APR container? More...
void	increaseClientCount ()
	Keep track of how many APR containers are writing to this RNTuple. More...
void	close ()
	Close the writer. More...
bool	msgLvl (const MSG::Level lvl) const
	Test the output level. More...
MsgStream &	msg () const
	The standard message stream. More...
MsgStream &	msg (const MSG::Level lvl) const
	The standard message stream. More...
void	setLevel (MSG::Level lvl)
	Change the current logging level. More...

Private Member Functions
void	initMessaging () const
	Initialize our message level and MessageSvc. More...

Private Attributes
std::map< std::string, void * >	m_attrDataMap
	Store data ptr for the first row, when only creating the model. More...
std::unique_ptr< ROOT::RNTupleModel >	m_model
	Internal cache for the RNTuple model Before first commit the fields are added to the model At the first commit the model passed to the RNTupleWriter which takes its ownership. More...
std::unique_ptr< ROOT::REntry >	m_entry
	Internal cache for the RNEntry. More...
std::unique_ptr< ROOT::RNTupleWriter >	m_ntupleWriter
	Internal cache for the native RNTupleWriter. More...
std::string	m_ntupleName
TFile *	m_tfile
ROOT::RNTupleWriteOptions	m_opts
int	m_rowN = 0
int	m_clients = 0
	Count how many APR Containers are writing to this RNTuple (more than one makes a Group) More...
bool	m_needsCommit = false
bool	m_collectMetrics
	Enable/Disable Metric Collection. More...
std::string	m_nm
	Message source name. More...
boost::thread_specific_ptr< MsgStream >	m_msg_tls
	MsgStream instance (a std::cout like with print-out levels) More...
std::atomic< IMessageSvc * >	m_imsg { nullptr }
	MessageSvc pointer. More...
std::atomic< MSG::Level >	m_lvl { MSG::NIL }
	Current logging level. More...
std::atomic_flag m_initialized	ATLAS_THREAD_SAFE = ATOMIC_FLAG_INIT
	Messaging initialized (initMessaging) More...

Detailed Description

Definition at line 20 of file RNTupleWriterHelper.h.

Member Typedef Documentation

attrDataTuple

typedef std::tuple<std::string, std::string, void*> RootStorageSvc::RNTupleWriterHelper::attrDataTuple

Add a new field to the RNTuple, collect the data pointer for the commit.

Definition at line 34 of file RNTupleWriterHelper.h.

Constructor & Destructor Documentation

RNTupleWriterHelper()

RootStorageSvc::RNTupleWriterHelper::RNTupleWriterHelper	(	TFile *	file,
		const std::string &	ntupleName,
		bool	enableBufferedWrite,
		bool	enableMetrics
	)

Constructor.

~RNTupleWriterHelper()

RootStorageSvc::RNTupleWriterHelper::~RNTupleWriterHelper ( )

default

Default Destructor.

Member Function Documentation

addAttribute()

void RootStorageSvc::RNTupleWriterHelper::addAttribute

(

const attrDataTuple &

in

)

addField()

void RootStorageSvc::RNTupleWriterHelper::addField	(	const std::string &	field_name,
		const std::string &	attr_type
	)

Add a new field to the RNTuple.

addFieldValue()

void RootStorageSvc::RNTupleWriterHelper::addFieldValue	(	const std::string &	field_name,
		void *	attr_data
	)

Supply data address for a given field.

close()

void RootStorageSvc::RNTupleWriterHelper::close

(

)

Close the writer.

commit()

int RootStorageSvc::RNTupleWriterHelper::commit

(

)

Commit the data.

getName()

const std::string& RootStorageSvc::RNTupleWriterHelper::getName ( ) const

inline

Name of the RNTuple.

Definition at line 47 of file RNTupleWriterHelper.h.

{ return m_ntupleName; }

increaseClientCount()

void RootStorageSvc::RNTupleWriterHelper::increaseClientCount ( )

inline

Keep track of how many APR containers are writing to this RNTuple.

Definition at line 59 of file RNTupleWriterHelper.h.

{ m_clients++; }

initMessaging()

void AthMessaging::initMessaging ( ) const

privateinherited

Initialize our message level and MessageSvc.

This method should only be called once.

Definition at line 39 of file AthMessaging.cxx.

{
  m_imsg = Athena::getMessageSvc();
  m_lvl = m_imsg ?
    static_cast<MSG::Level>( m_imsg.load()->outputLevel(m_nm) ) :
    MSG::INFO;
}

isGrouped()

bool RootStorageSvc::RNTupleWriterHelper::isGrouped ( ) const

inline

Is this RNTuple used by more than one APR container?

Definition at line 56 of file RNTupleWriterHelper.h.

{ return m_clients > 1; }

makeNewEntry()

void RootStorageSvc::RNTupleWriterHelper::makeNewEntry

(

)

Create a new empty RNTuple row with the current model (fields)

msg() [1/2]

MsgStream & AthMessaging::msg ( ) const

inlineinherited

The standard message stream.

Returns a reference to the default message stream May not be invoked before sysInitialize() has been invoked.

Definition at line 164 of file AthMessaging.h.

{
  MsgStream* ms = m_msg_tls.get();
  if (!ms) {
    if (!m_initialized.test_and_set()) initMessaging();
    ms = new MsgStream(m_imsg,m_nm);
    m_msg_tls.reset( ms );
  }
 
  ms->setLevel (m_lvl);
  return *ms;
}

msg() [2/2]

MsgStream & AthMessaging::msg ( const MSG::Level  lvl ) const

inlineinherited

The standard message stream.

Returns a reference to the default message stream May not be invoked before sysInitialize() has been invoked.

Definition at line 179 of file AthMessaging.h.

{ return msg() << lvl; }

msgLvl()

bool AthMessaging::msgLvl ( const MSG::Level  lvl ) const

inlineinherited

Test the output level.

Parameters

lvl	The message level to test against

Returns

boolean Indicating if messages at given level will be printed

Return values

true	Messages at level "lvl" will be printed

Definition at line 151 of file AthMessaging.h.

{
  if (!m_initialized.test_and_set()) initMessaging();
  if (m_lvl <= lvl) {
    msg() << lvl;
    return true;
  } else {
    return false;
  }
}

needsCommit()

bool RootStorageSvc::RNTupleWriterHelper::needsCommit ( ) const

inline

Check if any data needs to be committed.

Definition at line 53 of file RNTupleWriterHelper.h.

{ return m_needsCommit; }

setLevel()

void AthMessaging::setLevel ( MSG::Level  lvl )

inherited

Change the current logging level.

Use this rather than msg().setLevel() for proper operation with MT.

Definition at line 28 of file AthMessaging.cxx.

{
  m_lvl = lvl;
}

size()

size_t RootStorageSvc::RNTupleWriterHelper::size ( ) const

inline

Size of the RNTuple.

Definition at line 50 of file RNTupleWriterHelper.h.

{ return m_rowN; }

Member Data Documentation

ATLAS_THREAD_SAFE

std::atomic_flag m_initialized AthMessaging::ATLAS_THREAD_SAFE = ATOMIC_FLAG_INIT

mutableprivateinherited

Messaging initialized (initMessaging)

Definition at line 141 of file AthMessaging.h.

m_attrDataMap

std::map<std::string, void*> RootStorageSvc::RNTupleWriterHelper::m_attrDataMap

private

Store data ptr for the first row, when only creating the model.

Definition at line 66 of file RNTupleWriterHelper.h.

m_clients

int RootStorageSvc::RNTupleWriterHelper::m_clients = 0

private

Count how many APR Containers are writing to this RNTuple (more than one makes a Group)

Definition at line 87 of file RNTupleWriterHelper.h.

m_collectMetrics

bool RootStorageSvc::RNTupleWriterHelper::m_collectMetrics

private

Enable/Disable Metric Collection.

Definition at line 91 of file RNTupleWriterHelper.h.

m_entry

std::unique_ptr<ROOT::REntry> RootStorageSvc::RNTupleWriterHelper::m_entry

private

Internal cache for the RNEntry.

Definition at line 75 of file RNTupleWriterHelper.h.

m_imsg

std::atomic<IMessageSvc*> AthMessaging::m_imsg { nullptr }

mutableprivateinherited

MessageSvc pointer.

Definition at line 135 of file AthMessaging.h.

m_lvl

std::atomic<MSG::Level> AthMessaging::m_lvl { MSG::NIL }

mutableprivateinherited

Current logging level.

Definition at line 138 of file AthMessaging.h.

m_model

std::unique_ptr<ROOT::RNTupleModel> RootStorageSvc::RNTupleWriterHelper::m_model

private

Internal cache for the RNTuple model Before first commit the fields are added to the model At the first commit the model passed to the RNTupleWriter which takes its ownership.

Definition at line 72 of file RNTupleWriterHelper.h.

m_msg_tls

boost::thread_specific_ptr<MsgStream> AthMessaging::m_msg_tls

mutableprivateinherited

MsgStream instance (a std::cout like with print-out levels)

Definition at line 132 of file AthMessaging.h.

m_needsCommit

bool RootStorageSvc::RNTupleWriterHelper::m_needsCommit = false

private

Definition at line 88 of file RNTupleWriterHelper.h.

m_nm

std::string AthMessaging::m_nm

privateinherited

Message source name.

Definition at line 129 of file AthMessaging.h.

m_ntupleName

std::string RootStorageSvc::RNTupleWriterHelper::m_ntupleName

private

Definition at line 80 of file RNTupleWriterHelper.h.

m_ntupleWriter

std::unique_ptr<ROOT::RNTupleWriter> RootStorageSvc::RNTupleWriterHelper::m_ntupleWriter

private

Internal cache for the native RNTupleWriter.

Definition at line 78 of file RNTupleWriterHelper.h.

m_opts

ROOT::RNTupleWriteOptions RootStorageSvc::RNTupleWriterHelper::m_opts

private

Definition at line 82 of file RNTupleWriterHelper.h.

m_rowN

int RootStorageSvc::RNTupleWriterHelper::m_rowN = 0

private

Definition at line 83 of file RNTupleWriterHelper.h.

m_tfile

TFile* RootStorageSvc::RNTupleWriterHelper::m_tfile

private

Definition at line 81 of file RNTupleWriterHelper.h.

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

• RNTupleWriterHelper.h