pool::RootCollection Class Reference

Collection implementation. More...

#include <RootCollection.h>

Inheritance diagram for pool::RootCollection:

Collaboration diagram for pool::RootCollection:

Public Types
enum	OpenMode { CREATE_AND_OVERWRITE , READ }
	Enumeration of the possible open modes of the collection. More...

Public Member Functions
	RootCollection (const pool::CollectionDescription *description, pool::ICollection::OpenMode mode)
	Constructor.
	~RootCollection ()
	Destructor.
virtual void	open () final override
	Explicitly re-opens the collection after it has been closed.
virtual void	insertRow (const pool::CollectionRowBuffer &inputRowBuffer) final override
	Adds a new row of data to the collection.
virtual void	commit (bool restartTransaction=false) final override
	Commits the last changes made to the collection.
virtual void	close () final override
	Explicitly closes the collection.
virtual const CollectionDescription &	description () const final override
	Returns an object used to describe the collection properties.
virtual std::unique_ptr< ICollectionCursor >	cursor () final override
	Returns a cursor for the collection.
virtual void	initNewRow (pool::CollectionRowBuffer &row) const
	Initialize a new RowBuffer by adding all Attributes adn Tokens of this collection to it.
bool	msgLvl (const MSG::Level lvl) const
	Test the output level.
MsgStream &	msg () const
	The standard message stream.
MsgStream &	msg (const MSG::Level lvl) const
	The standard message stream.
void	setLevel (MSG::Level lvl)
	Change the current logging level.

Private Member Functions
	RootCollection (const RootCollection &)=delete
	copying unimplemented in this class.
RootCollection &	operator= (const RootCollection &)=delete
void	writeColumn (const std::string &columnName, const void *data, const std::type_info &typeInfo)
void	initMessaging () const
	Initialize our message level and MessageSvc.

Private Attributes
CollectionDescription	m_description
std::string	m_name
std::string	m_fileName
std::string	m_containerPrefix
	The common prefix for branch container names for attributes.
ICollection::OpenMode	m_mode
bool	m_open
std::unique_ptr< IStorageSvc >	m_storageSvc
pool::FileDescriptor	m_fileDescr
ContainerMap	m_containerMap
std::string	m_nm
	Message source name.
boost::thread_specific_ptr< MsgStream >	m_msg_tls
	MsgStream instance (a std::cout like with print-out levels).
std::atomic< IMessageSvc * >	m_imsg { nullptr }
	MessageSvc pointer.
std::atomic< MSG::Level >	m_lvl { MSG::NIL }
	Current logging level.
std::atomic_flag m_initialized	ATLAS_THREAD_SAFE = ATOMIC_FLAG_INIT
	Messaging initialized (initMessaging).

Detailed Description

Collection implementation.

• Suppoerts a single Token plus meta data attributes

Definition at line 37 of file RootCollection.h.

Member Enumeration Documentation

OpenMode

enum pool::ICollection::OpenMode

inherited

Enumeration of the possible open modes of the collection.

Enumerator
CREATE_AND_OVERWRITE
READ

Definition at line 27 of file ICollection.h.

{ CREATE_AND_OVERWRITE, READ } OpenMode;

Constructor & Destructor Documentation

RootCollection() [1/2]

pool::RootCollection::RootCollection	(	const pool::CollectionDescription *	description,
		pool::ICollection::OpenMode	mode )

Constructor.

Parameters

description	The description of the collection, including name and connection
mode	The open mode of the collection
session	If you want to access the referenced objects you have to provide an ISession

~RootCollection()

pool::RootCollection::~RootCollection

(

)

Destructor.

RootCollection() [2/2]

pool::RootCollection::RootCollection ( const RootCollection & )

privatedelete

copying unimplemented in this class.

Member Function Documentation

close()

virtual void pool::RootCollection::close ( )

finaloverridevirtual

Explicitly closes the collection.

Implements pool::ICollection.

commit()

virtual void pool::RootCollection::commit ( bool restartTransaction = false )

finaloverridevirtual

Commits the last changes made to the collection.

Implements pool::ICollection.

cursor()

virtual std::unique_ptr< ICollectionCursor > pool::RootCollection::cursor ( )

finaloverridevirtual

Returns a cursor for the collection.

Implements pool::ICollection.

description()

virtual const CollectionDescription & pool::RootCollection::description ( ) const

finaloverridevirtual

Returns an object used to describe the collection properties.

Implements pool::ICollection.

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();
  // If user did not set an explicit level, set a default
  if (m_lvl == MSG::NIL) {
    m_lvl = m_imsg ?
      static_cast<MSG::Level>( m_imsg.load()->outputLevel(m_nm) ) :
      MSG::INFO;
  }
}

initNewRow()

virtual void pool::ICollection::initNewRow ( pool::CollectionRowBuffer & row ) const

virtualinherited

Initialize a new RowBuffer by adding all Attributes adn Tokens of this collection to it.

insertRow()

virtual void pool::RootCollection::insertRow ( const pool::CollectionRowBuffer & inputRowBuffer )

finaloverridevirtual

Adds a new row of data to the collection.

Implements pool::ICollection.

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 167 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 182 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 user did not set explicit message level we have to initialize
  // the messaging and retrieve the default via the MessageSvc.
  if (m_lvl==MSG::NIL && !m_initialized.test_and_set()) initMessaging();
 
  if (m_lvl <= lvl) {
    msg() << lvl;
    return true;
  } else {
    return false;
  }
}

open()

virtual void pool::RootCollection::open ( )

finaloverridevirtual

Explicitly re-opens the collection after it has been closed.

Implements pool::ICollection.

operator=()

RootCollection & pool::RootCollection::operator= ( const RootCollection & )

privatedelete

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;
}

writeColumn()

void pool::RootCollection::writeColumn ( const std::string & columnName, const void * data, const std::type_info & typeInfo )

private

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_containerMap

ContainerMap pool::RootCollection::m_containerMap

private

Definition at line 90 of file RootCollection.h.

m_containerPrefix

std::string pool::RootCollection::m_containerPrefix

private

The common prefix for branch container names for attributes.

Definition at line 83 of file RootCollection.h.

m_description

CollectionDescription pool::RootCollection::m_description

private

Definition at line 78 of file RootCollection.h.

m_fileDescr

pool::FileDescriptor pool::RootCollection::m_fileDescr

private

Definition at line 89 of file RootCollection.h.

m_fileName

std::string pool::RootCollection::m_fileName

private

Definition at line 81 of file RootCollection.h.

m_imsg

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

mutableprivateinherited

MessageSvc pointer.

Definition at line 135 of file AthMessaging.h.

{ nullptr };

m_lvl

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

mutableprivateinherited

Current logging level.

Definition at line 138 of file AthMessaging.h.

{ MSG::NIL };

m_mode

ICollection::OpenMode pool::RootCollection::m_mode

private

Definition at line 84 of file RootCollection.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_name

std::string pool::RootCollection::m_name

private

Definition at line 80 of file RootCollection.h.

m_nm

std::string AthMessaging::m_nm

privateinherited

Message source name.

Definition at line 129 of file AthMessaging.h.

m_open

bool pool::RootCollection::m_open

private

Definition at line 86 of file RootCollection.h.

m_storageSvc

std::unique_ptr<IStorageSvc> pool::RootCollection::m_storageSvc

private

Definition at line 88 of file RootCollection.h.

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

• RootCollection.h