pool::DatabaseRegistry Class Reference

#include <DatabaseRegistry.h>

Collaboration diagram for pool::DatabaseRegistry:

Public Types
typedef std::set< DatabaseHandler * >::iterator	iterator
typedef std::set< DatabaseHandler * >::const_iterator	const_iterator

Public Member Functions
	DatabaseRegistry ()
	Constructor.
	~DatabaseRegistry ()
	Destructor.
void	registerDatabaseHandler (DatabaseHandler *dbHandler)
	Registers a database.
void	registerDatabaseHandler (DatabaseHandler *dbHandler, const std::string &lfn)
	Registers a database with an LFN.
void	deregisterDatabaseHandler (DatabaseHandler *dbHandler)
	Deregisters a database.
DatabaseHandler *	lookupByFID (const std::string &fid)
	Looks up a database by its file id.
DatabaseHandler *	lookupByPFN (const std::string &pfn)
	Looks up a database by its physical file name.
DatabaseHandler *	lookupByLFN (const std::string &lfn)
	Looks up a database by its logical file name.
iterator	begin ()
	The begin iterators.
const_iterator	begin () const
iterator	end ()
	The end iterators.
const_iterator	end () const
std::size_t	size () const
	The number of elements registered.

Private Member Functions
std::set< DatabaseHandler * >::iterator	registerDbHandler (DatabaseHandler *dbHandler)

Private Attributes
std::set< DatabaseHandler * >	m_databases
std::map< std::string, DatabaseHandler * >	m_fidToDb
std::map< std::string, DatabaseHandler * >	m_pfnToDb
std::map< std::string, DatabaseHandler * >	m_lfnToDb
std::map< std::string, std::set< std::string > >	m_fidToLfns

Detailed Description

Definition at line 17 of file DatabaseRegistry.h.

Member Typedef Documentation

const_iterator

typedef std::set<DatabaseHandler*>::const_iterator pool::DatabaseRegistry::const_iterator

Definition at line 45 of file DatabaseRegistry.h.

iterator

typedef std::set<DatabaseHandler*>::iterator pool::DatabaseRegistry::iterator

Definition at line 44 of file DatabaseRegistry.h.

Constructor & Destructor Documentation

DatabaseRegistry()

pool::DatabaseRegistry::DatabaseRegistry ( )

explicit

Constructor.

Definition at line 9 of file DatabaseRegistry.cxx.

{}

~DatabaseRegistry()

pool::DatabaseRegistry::~DatabaseRegistry

(

)

Destructor.

Definition at line 13 of file DatabaseRegistry.cxx.

{}

Member Function Documentation

begin() [1/2]

iterator pool::DatabaseRegistry::begin

(

)

The begin iterators.

begin() [2/2]

const_iterator pool::DatabaseRegistry::begin

(

)

const

deregisterDatabaseHandler()

void pool::DatabaseRegistry::deregisterDatabaseHandler

(

pool::DatabaseHandler *

dbHandler

)

Deregisters a database.

Definition at line 49 of file DatabaseRegistry.cxx.

{
  std::set< pool::DatabaseHandler* >::iterator idb = m_databases.find( dbHandler );
  if ( idb != m_databases.end() ) {
    m_fidToDb.erase( (*idb)->fid() );
    m_pfnToDb.erase( (*idb)->pfn() );
 
    std::map< std::string, std::set< std::string > >::iterator iLfnSet = m_fidToLfns.find( (*idb)->fid() );
    if ( iLfnSet != m_fidToLfns.end() ) {
      for ( std::set< std::string >::iterator iLfn = iLfnSet->second.begin();
            iLfn != iLfnSet->second.end(); ++iLfn ) {
        m_lfnToDb.erase( *iLfn );
      }
      m_fidToLfns.erase( iLfnSet );
    }
 
    m_databases.erase( idb );
  }
}

end() [1/2]

iterator pool::DatabaseRegistry::end

(

)

The end iterators.

end() [2/2]

const_iterator pool::DatabaseRegistry::end

(

)

const

lookupByFID()

DatabaseHandler * pool::DatabaseRegistry::lookupByFID

(

const std::string &

fid

)

Looks up a database by its file id.

lookupByLFN()

DatabaseHandler * pool::DatabaseRegistry::lookupByLFN

(

const std::string &

lfn

)

Looks up a database by its logical file name.

lookupByPFN()

DatabaseHandler * pool::DatabaseRegistry::lookupByPFN

(

const std::string &

pfn

)

Looks up a database by its physical file name.

registerDatabaseHandler() [1/2]

void pool::DatabaseRegistry::registerDatabaseHandler

(

pool::DatabaseHandler *

dbHandler

)

Registers a database.

Definition at line 31 of file DatabaseRegistry.cxx.

{
  this->registerDbHandler( dbHandler );
}

registerDatabaseHandler() [2/2]

void pool::DatabaseRegistry::registerDatabaseHandler	(	pool::DatabaseHandler *	dbHandler,
		const std::string &	lfn )

Registers a database with an LFN.

Definition at line 38 of file DatabaseRegistry.cxx.

{
  std::set< pool::DatabaseHandler* >::iterator iDatabase = this->registerDbHandler( dbHandler );
  const std::string& fid = (*iDatabase)->fid();
  m_fidToLfns.find( fid )->second.insert( lfn );
  m_lfnToDb.insert ( std::make_pair( lfn, *iDatabase ) );
}

registerDbHandler()

std::set< pool::DatabaseHandler * >::iterator pool::DatabaseRegistry::registerDbHandler ( pool::DatabaseHandler * dbHandler )

private

Definition at line 17 of file DatabaseRegistry.cxx.

{
  std::set< pool::DatabaseHandler* >::iterator iDatabase = m_databases.find( dbHandler );
  if ( iDatabase == m_databases.end() ) {
    iDatabase = m_databases.insert( dbHandler ).first;
    m_fidToDb.insert( std::make_pair( dbHandler->fid(), dbHandler ) );
    m_pfnToDb.insert( std::make_pair( dbHandler->pfn(), dbHandler ) );
    m_fidToLfns.insert( std::make_pair( dbHandler->fid(),
                                        std::set< std::string >() ) );
  }
  return iDatabase;
}

size()

std::size_t pool::DatabaseRegistry::size

(

)

const

The number of elements registered.

Member Data Documentation

m_databases

std::set< DatabaseHandler* > pool::DatabaseRegistry::m_databases

private

Definition at line 59 of file DatabaseRegistry.h.

m_fidToDb

std::map< std::string, DatabaseHandler* > pool::DatabaseRegistry::m_fidToDb

private

Definition at line 60 of file DatabaseRegistry.h.

m_fidToLfns

std::map< std::string, std::set< std::string > > pool::DatabaseRegistry::m_fidToLfns

private

Definition at line 63 of file DatabaseRegistry.h.

m_lfnToDb

std::map< std::string, DatabaseHandler* > pool::DatabaseRegistry::m_lfnToDb

private

Definition at line 62 of file DatabaseRegistry.h.

m_pfnToDb

std::map< std::string, DatabaseHandler* > pool::DatabaseRegistry::m_pfnToDb

private

Definition at line 61 of file DatabaseRegistry.h.

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

• DatabaseRegistry.h
• DatabaseRegistry.cxx