#include <DatabaseSession.h>

Public Member Functions
Handle< ora::DatabaseContainer >	addContainer (const std::string &containerName, const std::string &className)
void	commitTransaction ()
Configuration &	configuration ()
bool	connect (const std::string &connectionString, bool readOnly)
boost::shared_ptr < ConnectionPool > &	connectionPool ()
const std::string &	connectionString ()
Handle< DatabaseContainer >	containerHandle (const std::string &name)
Handle< DatabaseContainer >	containerHandle (int contId)
NamedSequence &	containerIdSequence ()
const std::map< int, Handle < DatabaseContainer > > &	containers ()
ContainerUpdateTable &	containerUpdateTable ()
void	create ()
Handle< DatabaseContainer >	createContainer (const std::string &containerName, const Reflex::Type &type)
	DatabaseSession ()
	DatabaseSession (boost::shared_ptr< ConnectionPool > &connectionPool)
void	disconnect ()
void	drop ()
void	dropContainer (const std::string &name)
bool	eraseAllNames ()
bool	eraseObjectName (const std::string &name)
bool	exists ()
Object	fetchObjectByName (const std::string &name)
boost::shared_ptr< void >	fetchTypedObjectByName (const std::string &name, const Reflex::Type &asType)
bool	getItemId (const std::string &name, OId &destination)
bool	getNamesForContainer (int containerId, std::vector< std::string > &destination)
bool	getNamesForObject (int containerId, int itemId, std::vector< std::string > &destination)
bool	isConnected ()
bool	isTransactionActive (bool checkIfReadOnly=false)
bool	listObjectNames (std::vector< std::string > &destination)
MappingDatabase &	mappingDatabase ()
void	open ()
void	rollbackTransaction ()
IDatabaseSchema &	schema ()
void	setObjectName (const std::string &name, int containerId, int itemId)
void	startTransaction (bool readOnly)
SharedSession &	storageAccessSession ()
Handle< DatabaseUtilitySession >	utility ()
virtual	~DatabaseSession ()
Private Member Functions
void	clearTransaction ()
Private Attributes
Configuration	m_configuration
boost::shared_ptr< ConnectionPool >	m_connectionPool
std::string	m_connectionString
ContainerUpdateTable	m_containerUpdateTable
std::auto_ptr< NamedSequence >	m_contIdSequence
SharedSession	m_dbSession
std::auto_ptr< MappingDatabase >	m_mappingDb
std::auto_ptr< IDatabaseSchema >	m_schema
std::auto_ptr< TransactionCache >	m_transactionCache

Detailed Description

Definition at line 40 of file DatabaseSession.h.

Constructor & Destructor Documentation

ora::DatabaseSession::DatabaseSession ( )

Definition at line 40 of file DatabaseSession.cc.

References m_connectionPool.

                                   :
  m_connectionPool( new ConnectionPool ),
  m_dbSession(),
  m_connectionString( "" ),
  m_schema(),
  m_contIdSequence(),
  m_mappingDb(),
  m_transactionCache(),
  m_containerUpdateTable(),
  m_configuration(){
  // for the private connection pool does not make sense to have a real pool... 
  m_connectionPool->configuration().setConnectionTimeOut(0);
}

ora::DatabaseSession::DatabaseSession ( boost::shared_ptr< ConnectionPool > & connectionPool ) [explicit]

Definition at line 54 of file DatabaseSession.cc.

                                                                                   :
  m_connectionPool( connectionPool ),
  m_dbSession(),
  m_connectionString( "" ),
  m_schema(),
  m_contIdSequence(),
  m_mappingDb(),
  m_transactionCache(),
  m_containerUpdateTable(),
  m_configuration(){
}

ora::DatabaseSession::~DatabaseSession ( ) [virtual]

Definition at line 66 of file DatabaseSession.cc.

                                    {
  disconnect();
}

Member Function Documentation

ora::Handle< ora::DatabaseContainer > ora::DatabaseSession::addContainer	(	const std::string &	containerName,
		const std::string &	className
	)

Definition at line 173 of file DatabaseSession.cc.

                                                                                                    {
  int newContId = m_contIdSequence->getNextId( true );
  m_schema->containerHeaderTable().addContainer( newContId, containerName, className );
  Handle<DatabaseContainer> container( new DatabaseContainer( newContId, containerName,
                                                              className, 0, *this ) );
  m_transactionCache->addContainer( newContId, containerName, container );
  return container;
}

void ora::DatabaseSession::clearTransaction ( ) [private]

Definition at line 79 of file DatabaseSession.cc.

                                         {
  m_transactionCache.reset();
  m_mappingDb.reset();
  m_contIdSequence.reset();
  m_schema.reset();
  m_containerUpdateTable.clear();
}

void ora::DatabaseSession::commitTransaction ( )

Definition at line 114 of file DatabaseSession.cc.

                                          {
  if( m_transactionCache.get() ){
    m_schema->containerHeaderTable().updateNumberOfObjects( m_containerUpdateTable.table() );
    m_dbSession.get().transaction().commit();
    clearTransaction();
  }
}

ora::Configuration & ora::DatabaseSession::configuration ( )

Definition at line 300 of file DatabaseSession.cc.

                                                   {
  return m_configuration;
}

bool ora::DatabaseSession::connect	(	const std::string &	connectionString,
		bool	readOnly
	)

Definition at line 70 of file DatabaseSession.cc.

Referenced by ora::DatabaseUtilitySession::importContainer(), and ora::DatabaseUtilitySession::importContainerSchema().

                                                   {
  m_dbSession = m_connectionPool->connect( connectionString, readOnly?coral::ReadOnly:coral::Update );
  if(m_dbSession.isValid()) {
    m_connectionString = connectionString;
  }
  return isConnected();
}

boost::shared_ptr< ora::ConnectionPool > & ora::DatabaseSession::connectionPool ( )

Definition at line 308 of file DatabaseSession.cc.

                                                                      {
  return m_connectionPool;
}

const std::string & ora::DatabaseSession::connectionString ( )

Definition at line 100 of file DatabaseSession.cc.

                                                     {
  return m_connectionString;
}

ora::Handle< ora::DatabaseContainer > ora::DatabaseSession::containerHandle ( int contId )

Definition at line 205 of file DatabaseSession.cc.

                                                                               {
  return  m_transactionCache->getContainer( contId );
}

ora::Handle< ora::DatabaseContainer > ora::DatabaseSession::containerHandle ( const std::string & name )

Definition at line 201 of file DatabaseSession.cc.

Referenced by ora::DatabaseUtilitySession::importContainerSchema().

                                                                                          {
  return m_transactionCache->getContainer( name );
}

ora::NamedSequence & ora::DatabaseSession::containerIdSequence ( )

Definition at line 292 of file DatabaseSession.cc.

                                                         {
  return *m_contIdSequence;
}

const std::map< int, ora::Handle< ora::DatabaseContainer > > & ora::DatabaseSession::containers ( )

Definition at line 209 of file DatabaseSession.cc.

                                                                                   {
  return m_transactionCache->containers();
}

ora::ContainerUpdateTable & ora::DatabaseSession::containerUpdateTable ( )

Definition at line 312 of file DatabaseSession.cc.

                                                                 {
  return m_containerUpdateTable;
}

void ora::DatabaseSession::create ( )

Definition at line 148 of file DatabaseSession.cc.

                               {
  m_schema->create();
  m_transactionCache->setDbExists( true );
}

ora::Handle< ora::DatabaseContainer > ora::DatabaseSession::createContainer	(	const std::string &	containerName,
		const Reflex::Type &	type
	)

Definition at line 183 of file DatabaseSession.cc.

                                                                                                   {
  // create the container
  int newContId = m_contIdSequence->getNextId( true );
  Handle<DatabaseContainer> newCont ( new DatabaseContainer( newContId, containerName, type, *this ) );
  m_transactionCache->addContainer( newContId, containerName, newCont );
  m_schema->containerHeaderTable().addContainer( newContId, containerName, newCont->className() );
  newCont->create();
  return newCont;
}

void ora::DatabaseSession::disconnect ( void )

Definition at line 87 of file DatabaseSession.cc.

                                   {
  if( isConnected() ){
    if( isTransactionActive()) rollbackTransaction();
  }
  clearTransaction();
  m_dbSession.close();
  m_connectionString.clear();
}

void ora::DatabaseSession::drop ( )

Definition at line 153 of file DatabaseSession.cc.

                             {
  m_schema->drop();
  m_transactionCache->setDbExists( false );
}

void ora::DatabaseSession::dropContainer ( const std::string & name )

Definition at line 194 of file DatabaseSession.cc.

References cont, and mergeVDriftHistosByStation::name.

                                                             {
  Handle<DatabaseContainer> cont = m_transactionCache->getContainer( name );
  cont->drop();
  m_transactionCache->eraseContainer( cont->id(), name );
  m_schema->containerHeaderTable().removeContainer( cont->id() );
}

bool ora::DatabaseSession::eraseAllNames ( )

Definition at line 223 of file DatabaseSession.cc.

                                      {
  return m_schema->namingServiceTable().eraseAllNames();
}

bool ora::DatabaseSession::eraseObjectName ( const std::string & name )

Definition at line 219 of file DatabaseSession.cc.

                                                               {
  return m_schema->namingServiceTable().eraseObjectName( name );
}

bool ora::DatabaseSession::exists ( )

Definition at line 141 of file DatabaseSession.cc.

                               {
  if(!m_transactionCache->dbExistsLoaded()){
    m_transactionCache->setDbExists( m_schema->exists() );
  }
  return m_transactionCache->dbExists();
}

ora::Object ora::DatabaseSession::fetchObjectByName ( const std::string & name )

Definition at line 227 of file DatabaseSession.cc.

References cont, and runTheMatrix::ret.

                                                                      {
  ora::Object ret;
  std::pair<int,int> oid;
  if( m_schema->namingServiceTable().getObjectByName( name, oid ) ){
    ora::Handle<ora::DatabaseContainer> cont = containerHandle( oid.first );
    if( cont ) ret = Object( cont->fetchItem( oid.second ), cont->type() );
  }
  return ret;
}

boost::shared_ptr< void > ora::DatabaseSession::fetchTypedObjectByName	(	const std::string &	name,
		const Reflex::Type &	asType
	)

Definition at line 246 of file DatabaseSession.cc.

References cont, and runTheMatrix::ret.

                                                                                                {
  boost::shared_ptr<void> ret = m_transactionCache->getNamedReference( name );
  if( !ret.get() ){
    std::pair<int,int> oid;
    if( m_schema->namingServiceTable().getObjectByName( name, oid ) ){
      ora::Handle<ora::DatabaseContainer> cont = containerHandle( oid.first );
      void* ptr = 0;
      if( cont ) {
        ptr = cont->fetchItemAsType( oid.second, asType );
        if( ptr) ret = boost::shared_ptr<void>( ptr, RflxDeleter( cont->type() ) );
      }
    }
    if( ret.get() ) m_transactionCache->setNamedReference( name, ret );
  }
  return ret;
}

bool ora::DatabaseSession::getItemId	(	const std::string &	name,
		ora::OId &	destination
	)

Definition at line 237 of file DatabaseSession.cc.

                                                                              {
  std::pair<int,int> oidData;
  if( m_schema->namingServiceTable().getObjectByName( name, oidData ) ){
    destination = OId( oidData.first, oidData.second );
    return true;
  }
  return false;
}

bool ora::DatabaseSession::getNamesForContainer	(	int	containerId,
		std::vector< std::string > &	destination
	)

Definition at line 264 of file DatabaseSession.cc.

                                                                                    {
  return m_schema->namingServiceTable().getNamesForContainer( containerId, destination );
}

bool ora::DatabaseSession::getNamesForObject	(	int	containerId,
		int	itemId,
		std::vector< std::string > &	destination
	)

Definition at line 269 of file DatabaseSession.cc.

                                                                                 {
  return m_schema->namingServiceTable().getNamesForObject( containerId, itemId, destination );
}

bool ora::DatabaseSession::isConnected ( )

Definition at line 96 of file DatabaseSession.cc.

                                    {
  return m_dbSession.isValid();
}

bool ora::DatabaseSession::isTransactionActive ( bool checkIfReadOnly = false )

Definition at line 129 of file DatabaseSession.cc.

References runTheMatrix::ret.

                                                                  {
  bool ret = false;
  if( m_dbSession.get().transaction().isActive() ){
    if( checkIfReadOnly ){
      if( m_dbSession.get().transaction().isReadOnly() ) ret = true;
    } else {
      ret = true;
    }
  }
  return ret;
}

bool ora::DatabaseSession::listObjectNames ( std::vector< std::string > & destination )

Definition at line 275 of file DatabaseSession.cc.

                                                                           {
  
  return m_schema->namingServiceTable().getAllNames( destination );
}

ora::MappingDatabase & ora::DatabaseSession::mappingDatabase ( )

Definition at line 296 of file DatabaseSession.cc.

Referenced by ora::DatabaseUtilitySession::importContainerSchema().

                                                       {
  return *m_mappingDb;  
}

void ora::DatabaseSession::open ( )

Definition at line 158 of file DatabaseSession.cc.

Referenced by ora::DatabaseUtilitySession::importContainerSchema().

                             {
  if(!m_transactionCache->isLoaded()){
    std::map<std::string, ContainerHeaderData> containersData;
    m_schema->containerHeaderTable().getContainerData( containersData );
    for(std::map<std::string, ContainerHeaderData>::iterator iC = containersData.begin();
        iC != containersData.end(); ++iC){
      Handle<DatabaseContainer> container( new DatabaseContainer( iC->second.id, iC->first,
                                                                  iC->second.className,
                                                                  iC->second.numberOfObjects, *this ) );
      m_transactionCache->addContainer( iC->second.id, iC->first, container );
    }
    m_transactionCache->setLoaded();
  }
}

void ora::DatabaseSession::rollbackTransaction ( )

Definition at line 122 of file DatabaseSession.cc.

                                            {
  if( m_transactionCache.get() ){
    m_dbSession.get().transaction().rollback();
    clearTransaction();
  }
}

ora::IDatabaseSchema & ora::DatabaseSession::schema ( )

Definition at line 288 of file DatabaseSession.cc.

                                              {
  return *m_schema;  
}

void ora::DatabaseSession::setObjectName	(	const std::string &	name,
		int	containerId,
		int	itemId
	)

Definition at line 213 of file DatabaseSession.cc.

                                                      {
  m_schema->namingServiceTable().setObjectName( name, containerId, itemId );
}

void ora::DatabaseSession::startTransaction ( bool readOnly )

Definition at line 104 of file DatabaseSession.cc.

References ora::IDatabaseSchema::createSchemaHandle(), and ora::MappingRules::sequenceNameForContainerId().

                                                        {
  if( !m_transactionCache.get() ){
    m_dbSession.get().transaction().start( readOnly );
    m_schema.reset( IDatabaseSchema::createSchemaHandle( m_dbSession.get().nominalSchema() ));
    m_contIdSequence.reset( new NamedSequence( MappingRules::sequenceNameForContainerId(), *m_schema ));
    m_mappingDb.reset( new MappingDatabase( *m_schema ));
    m_transactionCache.reset( new TransactionCache );
  }
}

ora::SharedSession & ora::DatabaseSession::storageAccessSession ( )

Definition at line 304 of file DatabaseSession.cc.

                                                          {
  return m_dbSession;
}

ora::Handle< ora::DatabaseUtilitySession > ora::DatabaseSession::utility ( )

Definition at line 280 of file DatabaseSession.cc.

                                                                {
  if( !m_transactionCache->utility() ){
    Handle<DatabaseUtilitySession> util ( new DatabaseUtilitySession( *this ) );
    m_transactionCache->setUtility( util );
  }
  return m_transactionCache->utility();
}