Athena::LeafCnv Class Reference

#include <LeafCnv.h>

Inheritance diagram for Athena::LeafCnv:

Collaboration diagram for Athena::LeafCnv:

Public Member Functions
	LeafCnv (const CLID &clid, ISvcLocator *pSvcLocator)
	Constructor with parameters:
	LeafCnv (ISvcLocator *pSvcLocator)
virtual	~LeafCnv ()
	Destructor:
virtual StatusCode	initialize ()
	Gaudi Service Implementation.
long	repSvcType () const
virtual StatusCode	createObj (IOpaqueAddress *pAddr, DataObject *&pObj)
	Create a transient object from a persistent representation.
virtual StatusCode	createRep (DataObject *pObj, IOpaqueAddress *&pAddr)
	Create a persistent representation for a transient object.
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.

Static Public Member Functions
static long	storageType ()
static const CLID &	classID ()

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

Private Attributes
RootType	m_type
	the type we can convert
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

Definition at line 34 of file LeafCnv.h.

Constructor & Destructor Documentation

LeafCnv() [1/2]

Athena::LeafCnv::LeafCnv	(	const CLID &	clid,
		ISvcLocator *	pSvcLocator )

Constructor with parameters:

Definition at line 53 of file LeafCnv.cxx.

                                             : 
  ::Converter( ROOT_StorageType, clid, pSvcLocator ),
  ::AthMessaging( msgSvc(),    name_from_clid(clid) ),
  m_type()
{
  //
  // Property declaration
  // 
  //declareProperty( "Property", m_nProperty );
 
}

LeafCnv() [2/2]

Athena::LeafCnv::LeafCnv

(

ISvcLocator *

pSvcLocator

)

Definition at line 66 of file LeafCnv.cxx.

                                           : 
  ::Converter   ( ROOT_StorageType, CLID_NULL, pSvcLocator ),
  ::AthMessaging( msgSvc(),    name_from_clid(CLID_NULL) ),
  m_type()
{
  //
  // Property declaration
  // 
  //declareProperty( "Property", m_nProperty );
 
}

~LeafCnv()

Athena::LeafCnv::~LeafCnv ( )

virtual

Destructor:

Definition at line 80 of file LeafCnv.cxx.

{ 
  ATH_MSG_DEBUG("Calling destructor");
}

Member Function Documentation

classID()

const CLID & Athena::LeafCnv::classID ( )

inlinestatic

Returns

class ID.

Definition at line 80 of file LeafCnv.h.

{ return CLID_NULL; }

createObj()

StatusCode Athena::LeafCnv::createObj ( IOpaqueAddress * pAddr, DataObject *& pObj )

virtual

Create a transient object from a persistent representation.

Parameters

pAddr	[IN] IOpaqueAddress of persistent representation.
pObj	[OUT] pointer to the transient object.

Definition at line 140 of file LeafCnv.cxx.

{
  ATH_MSG_DEBUG("::createObj(" << pAddr << ", " << pObj << ")");
  Athena::RootBranchAddress *rba = dynamic_cast<Athena::RootBranchAddress*>(pAddr);
  if (!rba) {
    ATH_MSG_DEBUG(*pAddr->par() << " is NOT a GenericAddress!");
    return StatusCode::FAILURE;
  }
  ATH_MSG_DEBUG("loading branch: [" << rba->par()[0]
                << "/" << rba->par()[1] << "]...");
  rba->setBranchAddress(m_type);
  ATH_MSG_DEBUG("loading branch: [" << rba->par()[0]
                << "/" << rba->par()[1] << "]... [done]");
  Athena::DataBucketBranch *dbb = new DataBucketBranch(rba->clID(), rba->m_type, rba->m_ptr);
  pObj = dbb;
  return StatusCode::SUCCESS;
}

createRep()

StatusCode Athena::LeafCnv::createRep ( DataObject * pObj, IOpaqueAddress *& pAddr )

virtual

Create a persistent representation for a transient object.

Parameters

pObj	[IN] pointer to the transient object.
pAddr	[OUT] IOpaqueAddress of persistent representation.

Definition at line 162 of file LeafCnv.cxx.

{
  ATH_MSG_INFO("::createRep(" << pObj << ", " << pAddr << ")");
  if (0==pObj) {
    ATH_MSG_ERROR("::createRep: received null ptr to dobj");
    return StatusCode::FAILURE;
  }
  msg(MSG::INFO) << " -> clid: [" << pObj->clID() << "]" << endmsg
                 << " -> name: [" << pObj->name() << "]" << endmsg;
 
  /*
  Athena::DataBucketBranch *dbb = 0;
  dbb = dynamic_cast<Athena::DataBucketBranch*>(pObj);
  if (!dbb) {
    ATH_MSG_INFO("dataobject at [" << pObj->name() << "] is not"
                 << " a DataBucketBranch ! [clid=" << pObj->clID() << "]");
    return StatusCode::FAILURE;
  }
  */
 
  // FIXME:
  // Athena::RootBranchAddress* addr = new Athena::RootBranchAddress
  //   (ROOT_StorageType, 
  //    dbb->clID(), 
  //    m_tupleName.value(), 
  //    br_name, 
  //    (unsigned long)(value_ptr),
  //    (unsigned long)(m_nbrEvts-1));
#if 1
  GenericAddress* addr = new GenericAddress(ROOT_StorageType, 
                                            pObj->clID(),
                                            pObj->name());
#else
  Athena::RootBranchAddress* addr = new Athena::RootBranchAddress
    (ROOT_StorageType, id, 
     "foo",//m_tupleName.value(), 
     dbb->name(), 
     (unsigned long)(value_ptr),
     (unsigned long)(m_nbrEvts-1));
#endif
  pAddr = addr;
  return StatusCode::SUCCESS;
}

initialize()

StatusCode Athena::LeafCnv::initialize ( )

virtual

Gaudi Service Implementation.

Definition at line 87 of file LeafCnv.cxx.

{
  // configure our MsgStream
  msg().setLevel( MSG::INFO );
 
  ATH_MSG_DEBUG("Initializing LeafCnv...");
 
  ATH_MSG_DEBUG("Initializing base class...");
  if ( ::Converter::initialize().isFailure() ) {
    ATH_MSG_ERROR("Could not intialize base class !!");
    return StatusCode::FAILURE;
  } else {
    ATH_MSG_VERBOSE("Base class initialized");
  }
 
  // retrieve the dict-loader-svc
  typedef ServiceHandle<IDictLoaderSvc> IDictLoaderSvc_t;
  IDictLoaderSvc_t dictSvc("AthDictLoaderSvc", 
                           "Athena::LeafCnv");
                           // name_from_clid(objType()));
  if ( !dictSvc.retrieve().isSuccess() ) {
    ATH_MSG_ERROR("could not retrieve [" << dictSvc.typeAndName() << "] !");
    return StatusCode::FAILURE;
  }
 
  RootType ty = dictSvc->load_type(this->objType());
  ATH_MSG_VERBOSE("loaded dictionary for clid ["
                  << this->objType() << "]: name=["
                  << ty.Name() << "]");
  m_type = std::move(ty);
 
  ATH_MSG_DEBUG("converter correctly initialized - clid=[" << objType() << "]");
  return StatusCode::SUCCESS;
}

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;
  }
}

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;
  }
}

repSvcType()

long Athena::LeafCnv::repSvcType

(

)

const

Definition at line 127 of file LeafCnv.cxx.

{
  return ROOT_StorageType;
}

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;
}

storageType()

long Athena::LeafCnv::storageType ( )

static

Returns

storage type.

Definition at line 207 of file LeafCnv.cxx.

{
  return ROOT_StorageType;
}

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_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_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_nm

std::string AthMessaging::m_nm

privateinherited

Message source name.

Definition at line 129 of file AthMessaging.h.

m_type

RootType Athena::LeafCnv::m_type

private

the type we can convert

Definition at line 89 of file LeafCnv.h.

---

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

• LeafCnv.h
• LeafCnv.cxx