org.hibernate.service.ServiceRegistry Java Examples

private String determineCurrentSchemaName(
		DatabaseMetaData databaseMetaData,
		ServiceRegistry serviceRegistry,
		Dialect dialect) throws SQLException {
	final SchemaNameResolver schemaNameResolver;

	final Object setting = serviceRegistry.getService( ConfigurationService.class ).getSettings().get( SCHEMA_NAME_RESOLVER );
	if ( setting == null ) {
		schemaNameResolver = dialect.getSchemaNameResolver();
	}
	else {
		schemaNameResolver = serviceRegistry.getService( StrategySelector.class ).resolveDefaultableStrategy(
				SchemaNameResolver.class,
				setting,
				dialect.getSchemaNameResolver()
		);
	}

	try {
		return schemaNameResolver.resolveSchemaName( databaseMetaData.getConnection(), dialect );
	}
	catch (Exception e) {
		log.debug( "Unable to resolve connection default schema", e );
		return null;
	}
}
 

public DatabaseInformationImpl(
		ServiceRegistry serviceRegistry,
		JdbcEnvironment jdbcEnvironment,
		DdlTransactionIsolator ddlTransactionIsolator,
		Namespace.Name defaultNamespace) throws SQLException {
	this.jdbcEnvironment = jdbcEnvironment;

	this.extractionContext = new ImprovedExtractionContextImpl(
			serviceRegistry,
			jdbcEnvironment,
			ddlTransactionIsolator,
			defaultNamespace.getCatalog(),
			defaultNamespace.getSchema(),
			this
	);

	// todo : make this pluggable
	this.extractor = new InformationExtractorJdbcDatabaseMetaDataImpl( extractionContext );

	// because we do not have defined a way to locate sequence info by name
	initializeSequences();
}
 

@SuppressWarnings("unchecked")
public void execute(EnumSet<TargetType> targetTypes, Action action, Metadata metadata, ServiceRegistry serviceRegistry) {
	if ( action == Action.NONE ) {
		LOG.debug( "Skipping SchemaExport as Action.NONE was passed" );
		return;
	}

	if ( targetTypes.isEmpty() ) {
		LOG.debug( "Skipping SchemaExport as no targets were specified" );
		return;
	}

	exceptions.clear();

	LOG.runningHbm2ddlSchemaExport();

	final TargetDescriptor targetDescriptor = buildTargetDescriptor( targetTypes, outputFile, serviceRegistry );

	doExecution( action, needsJdbcConnection( targetTypes ), metadata, serviceRegistry, targetDescriptor );
}
 

@Override
public void contributeTypes(TypeContributions typeContributions, ServiceRegistry serviceRegistry) {
	super.contributeTypes( typeContributions, serviceRegistry );

	// account for Oracle's deprecated support for LONGVARBINARY...
	// 		prefer BLOB, unless the user opts out of it
	boolean preferLong = serviceRegistry.getService( ConfigurationService.class ).getSetting(
			PREFER_LONG_RAW,
			StandardConverters.BOOLEAN,
			false
	);

	if ( !preferLong ) {
		typeContributions.contributeType( MaterializedBlobType.INSTANCE, "byte[]", byte[].class.getName() );
		typeContributions.contributeType( WrappedMaterializedBlobType.INSTANCE, "Byte[]", Byte[].class.getName() );
	}
}
 

public static TargetDescriptor buildTargetDescriptor(
		EnumSet<TargetType> targetTypes,
		String outputFile,
		ServiceRegistry serviceRegistry) {
	final ScriptTargetOutput scriptTarget;
	if ( targetTypes.contains( TargetType.SCRIPT ) ) {
		if ( outputFile == null ) {
			throw new SchemaManagementException( "Writing to script was requested, but no script file was specified" );
		}
		scriptTarget = Helper.interpretScriptTargetSetting(
				outputFile,
				serviceRegistry.getService( ClassLoaderService.class ),
				(String) serviceRegistry.getService( ConfigurationService.class ).getSettings().get( AvailableSettings.HBM2DDL_CHARSET_NAME )
		);
	}
	else {
		scriptTarget = null;
	}

	return new TargetDescriptorImpl( targetTypes, scriptTarget );
}
 

@Override
protected void additionalProperties(Properties properties) {
    CustomObjectMapperSupplier customObjectMapperSupplier = new CustomObjectMapperSupplier();
    final JsonBinaryType jsonBinaryType = new JsonBinaryType(customObjectMapperSupplier.get(), Location.class);

    properties.put( "hibernate.type_contributors", new TypeContributorList() {
        @Override
        public List<TypeContributor> getTypeContributors() {
            List<TypeContributor> typeContributors = new ArrayList<TypeContributor>();
            typeContributors.add(new TypeContributor() {
                @Override
                public void contribute(TypeContributions typeContributions, ServiceRegistry serviceRegistry) {
                    typeContributions.contributeType(
                        jsonBinaryType, "location"
                    );
                }
            });
            return typeContributors;
        }
    });
}
 

@Override
@SuppressWarnings("StatementWithEmptyBody")
public void configure(Type type, Properties params, ServiceRegistry serviceRegistry) throws MappingException {
	DeprecationLogger.DEPRECATION_LOGGER.deprecatedSequenceGenerator( getClass().getName() );

	identifierType = type;

	final ObjectNameNormalizer normalizer = (ObjectNameNormalizer) params.get( IDENTIFIER_NORMALIZER );
	logicalQualifiedSequenceName = QualifiedNameParser.INSTANCE.parse(
			ConfigurationHelper.getString( SEQUENCE, params, "hibernate_sequence" ),
			normalizer.normalizeIdentifierQuoting( params.getProperty( CATALOG ) ),
			normalizer.normalizeIdentifierQuoting( params.getProperty( SCHEMA ) )
	);

	if ( params.containsKey( PARAMETERS ) ) {
		LOG.warn(
				"Use of 'parameters' config setting is no longer supported; " +
						"to specify initial-value or increment use the " +
						"org.hibernate.id.enhanced.SequenceStyleGenerator generator instead."
		);
	}
}
 

private EntityCopyObserver createEntityCopyObserver(SessionFactoryImplementor sessionFactory) {
	final ServiceRegistry serviceRegistry = sessionFactory.getServiceRegistry();
	if ( entityCopyObserverStrategy == null ) {
		final ConfigurationService configurationService
				= serviceRegistry.getService( ConfigurationService.class );
		entityCopyObserverStrategy = configurationService.getSetting(
				AvailableSettings.MERGE_ENTITY_COPY_OBSERVER,
				new ConfigurationService.Converter<String>() {
					@Override
					public String convert(Object value) {
						return value.toString();
					}
				},
				EntityCopyNotAllowedObserver.SHORT_NAME
		);
		LOG.debugf( "EntityCopyObserver strategy: %s", entityCopyObserverStrategy );
	}
	final StrategySelector strategySelector = serviceRegistry.getService( StrategySelector.class );
	return strategySelector.resolveStrategy( EntityCopyObserver.class, entityCopyObserverStrategy );
}
 

private static StandardServiceRegistry getStandardServiceRegistry(ServiceRegistry serviceRegistry) {
	if ( serviceRegistry == null ) {
		throw new HibernateException( "ServiceRegistry passed to MetadataBuilder cannot be null" );
	}

	if ( StandardServiceRegistry.class.isInstance( serviceRegistry ) ) {
		return ( StandardServiceRegistry ) serviceRegistry;
	}
	else if ( BootstrapServiceRegistry.class.isInstance( serviceRegistry ) ) {
		log.debugf(
				"ServiceRegistry passed to MetadataBuilder was a BootstrapServiceRegistry; this likely wont end well" +
						"if attempt is made to build SessionFactory"
		);
		return new StandardServiceRegistryBuilder( (BootstrapServiceRegistry) serviceRegistry ).build();
	}
	else {
		throw new HibernateException(
				String.format(
						"Unexpected type of ServiceRegistry [%s] encountered in attempt to build MetadataBuilder",
						serviceRegistry.getClass().getName()
				)
		);
	}
}
 

@SuppressWarnings("unchecked")
public void validate(Metadata metadata, ServiceRegistry serviceRegistry) {
	LOG.runningSchemaValidator();

	Map config = new HashMap();
	config.putAll( serviceRegistry.getService( ConfigurationService.class ).getSettings() );

	final SchemaManagementTool tool = serviceRegistry.getService( SchemaManagementTool.class );

	final ExecutionOptions executionOptions = SchemaManagementToolCoordinator.buildExecutionOptions(
			config,
			ExceptionHandlerHaltImpl.INSTANCE
	);

	tool.getSchemaValidator( config ).doValidation( metadata, executionOptions );
}
 

public static SessionFactory getSessionFactory() {
    if (null != sessionFactory)
        return sessionFactory;
    
    Configuration configuration = new Configuration();

    String jdbcUrl = "jdbc:mysql://"
            + System.getenv("RDS_HOSTNAME")
            + "/"
            + System.getenv("RDS_DB_NAME");
    
    configuration.setProperty("hibernate.connection.url", jdbcUrl);
    configuration.setProperty("hibernate.connection.username", System.getenv("RDS_USERNAME"));
    configuration.setProperty("hibernate.connection.password", System.getenv("RDS_PASSWORD"));

    configuration.configure();
    ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();
    try {
        sessionFactory = configuration.buildSessionFactory(serviceRegistry);
    } catch (HibernateException e) {
        System.err.println("Initial SessionFactory creation failed." + e);
        throw new ExceptionInInitializerError(e);
    }
    return sessionFactory;
}
 

@Override
public void configure(Type type, Properties params, ServiceRegistry serviceRegistry) throws MappingException {
	super.configure( type, params, serviceRegistry );

	maxLo = ConfigurationHelper.getInt( MAX_LO, params, 9 );

	if ( maxLo >= 1 ) {
		hiloOptimizer = new LegacyHiLoAlgorithmOptimizer(
				getIdentifierType().getReturnedClass(),
				maxLo
		);
	}
}
 

public void doCreation(
		Metadata metadata,
		final ServiceRegistry serviceRegistry,
		final Map settings,
		final boolean manageNamespaces,
		GenerationTarget... targets) {
	doCreation(
			metadata,
			serviceRegistry.getService( JdbcEnvironment.class ).getDialect(),
			new ExecutionOptions() {
				@Override
				public boolean shouldManageNamespaces() {
					return manageNamespaces;
				}

				@Override
				public Map getConfigurationValues() {
					return settings;
				}

				@Override
				public ExceptionHandler getExceptionHandler() {
					return ExceptionHandlerLoggedImpl.INSTANCE;
				}
			},
			new SourceDescriptor() {
				@Override
				public SourceType getSourceType() {
					return SourceType.METADATA;
				}

				@Override
				public ScriptSourceInput getScriptSourceInput() {
					return null;
				}
			},
			targets
	);
}
 

public ExtractionContextImpl(
		ServiceRegistry serviceRegistry,
		JdbcEnvironment jdbcEnvironment,
		JdbcConnectionAccess jdbcConnectionAccess,
		DatabaseObjectAccess registeredTableAccess,
		Identifier defaultCatalogName,
		Identifier defaultSchemaName) {
	this.serviceRegistry = serviceRegistry;
	this.jdbcEnvironment = jdbcEnvironment;
	this.jdbcConnectionAccess = jdbcConnectionAccess;
	this.registeredTableAccess = registeredTableAccess;
	this.defaultCatalogName = defaultCatalogName;
	this.defaultSchemaName = defaultSchemaName;
}
 

@SuppressWarnings("unchecked")
public void execute(EnumSet<TargetType> targetTypes, Metadata metadata, ServiceRegistry serviceRegistry) {
	if ( targetTypes.isEmpty() ) {
		LOG.debug( "Skipping SchemaExport as no targets were specified" );
		return;
	}

	exceptions.clear();
	LOG.runningHbm2ddlSchemaUpdate();

	Map config = new HashMap();
	config.putAll( serviceRegistry.getService( ConfigurationService.class ).getSettings() );
	config.put( AvailableSettings.HBM2DDL_DELIMITER, delimiter );
	config.put( AvailableSettings.FORMAT_SQL, format );

	final SchemaManagementTool tool = serviceRegistry.getService( SchemaManagementTool.class );

	final ExceptionHandler exceptionHandler = haltOnError
			? ExceptionHandlerHaltImpl.INSTANCE
			: new ExceptionHandlerCollectingImpl();

	final ExecutionOptions executionOptions = SchemaManagementToolCoordinator.buildExecutionOptions(
			config,
			exceptionHandler
	);

	final TargetDescriptor targetDescriptor = SchemaExport.buildTargetDescriptor( targetTypes, outputFile, serviceRegistry );

	try {
		tool.getSchemaMigrator( config ).doMigration( metadata, executionOptions, targetDescriptor );
	}
	finally {
		if ( exceptionHandler instanceof ExceptionHandlerCollectingImpl ) {
			exceptions.addAll( ( (ExceptionHandlerCollectingImpl) exceptionHandler ).getExceptions() );
		}
	}
}
 

protected ServiceRegistry resolveServiceRegistry() {
	if ( getPersistentClass() != null ) {
		return getPersistentClass().getServiceRegistry();
	}
	if ( getValue() != null ) {
		return getValue().getServiceRegistry();
	}
	throw new HibernateException( "Could not resolve ServiceRegistry" );
}
 

/**
 * Destroy a service registry.  Applications should only destroy registries they have explicitly created.
 *
 * @param serviceRegistry The registry to be closed.
 */
public static void destroy(ServiceRegistry serviceRegistry) {
    if ( serviceRegistry == null ) {
        return;
    }

    ( (StandardServiceRegistryImpl) serviceRegistry ).destroy();
}
 

public static Metadata generateHbmModel(ConnectionProvider provider, Dialect dialect) throws SQLException {
    MetadataSources metadataSources = new MetadataSources();
    ServiceRegistry registry = metadataSources.getServiceRegistry();

    StandardServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder(
            (BootstrapServiceRegistry) registry).applySetting(AvailableSettings.DIALECT, TeiidDialect.class)
            .addService(ConnectionProvider.class, provider).addService(JdbcEnvironment.class,
                    new JdbcEnvironmentImpl(provider.getConnection().getMetaData(), dialect))
            .build();

    MetadataBuildingOptions options = new MetadataBuildingOptionsImpl(serviceRegistry);
    BootstrapContext bootstrapContext = new BootstrapContextImpl( serviceRegistry, options );

    ReverseEngineeringStrategy strategy = new DefaultReverseEngineeringStrategy();

    InFlightMetadataCollectorImpl metadataCollector =  new InFlightMetadataCollectorImpl(bootstrapContext, options);
    MetadataBuildingContext buildingContext = new MetadataBuildingContextRootImpl(bootstrapContext, options,
            metadataCollector);

    JDBCBinder binder = new JDBCBinder(serviceRegistry, new Properties(), buildingContext, strategy, false);
    Metadata metadata = metadataCollector.buildMetadataInstance(buildingContext);
    binder.readFromDatabase(null, null, buildMapping(metadata));
    HibernateMappingExporter exporter = new HibernateMappingExporter() {
        @Override
        public Metadata getMetadata() {
            return metadata;
        }
    };
    exporter.start();
    return metadata;
}
 

public SchemaCreatorImpl(ServiceRegistry serviceRegistry, SchemaFilter schemaFilter) {
	SchemaManagementTool smt = serviceRegistry.getService( SchemaManagementTool.class );
	if ( smt == null || !HibernateSchemaManagementTool.class.isInstance( smt ) ) {
		smt = new HibernateSchemaManagementTool();
		( (HibernateSchemaManagementTool) smt ).injectServices( (ServiceRegistryImplementor) serviceRegistry );
	}

	this.tool = (HibernateSchemaManagementTool) smt;
	this.schemaFilter = schemaFilter;
}
 

/**
 * For testing...
 *
 * @param metadata The metadata for which to generate the creation commands.
 *
 * @return The generation commands
 */
public List<String> generateCreationCommands(Metadata metadata, final boolean manageNamespaces) {
	final JournalingGenerationTarget target = new JournalingGenerationTarget();

	final ServiceRegistry serviceRegistry = ( (MetadataImplementor) metadata ).getMetadataBuildingOptions()
			.getServiceRegistry();
	final Dialect dialect = serviceRegistry.getService( JdbcEnvironment.class ).getDialect();

	final ExecutionOptions options = new ExecutionOptions() {
		@Override
		public boolean shouldManageNamespaces() {
			return manageNamespaces;
		}

		@Override
		public Map getConfigurationValues() {
			return Collections.emptyMap();
		}

		@Override
		public ExceptionHandler getExceptionHandler() {
			return ExceptionHandlerHaltImpl.INSTANCE;
		}
	};

	createFromMetadata( metadata, options, dialect, FormatStyle.NONE.getFormatter(), target );

	return target.commands;
}
 

public void doCreation(
		Metadata metadata,
		final boolean manageNamespaces,
		GenerationTarget... targets) {
	final ServiceRegistry serviceRegistry = ( (MetadataImplementor) metadata ).getMetadataBuildingOptions().getServiceRegistry();
	doCreation(
			metadata,
			serviceRegistry,
			serviceRegistry.getService( ConfigurationService.class ).getSettings(),
			manageNamespaces,
			targets
	);
}
 

/**
 * Determine the name of the sequence (or table if this resolves to a physical table)
 * to use.
 *
 * @param params The params supplied in the generator config (plus some standard useful extras).
 * @return The sequence name
 */
static QualifiedName determineSequenceName(Properties params, ServiceRegistry serviceRegistry) {
	final String sequencePerEntitySuffix = ConfigurationHelper.getString( SequenceStyleGenerator.CONFIG_SEQUENCE_PER_ENTITY_SUFFIX, params, SequenceStyleGenerator.DEF_SEQUENCE_SUFFIX );

	String fallbackSequenceName = SequenceStyleGenerator.DEF_SEQUENCE_NAME;
	final Boolean preferGeneratorNameAsDefaultName = serviceRegistry.getService( ConfigurationService.class )
			.getSetting( Settings.PREFER_GENERATOR_NAME_AS_DEFAULT_SEQUENCE_NAME, StandardConverters.BOOLEAN, true );
	if ( preferGeneratorNameAsDefaultName ) {
		final String generatorName = params.getProperty( IdentifierGenerator.GENERATOR_NAME );
		if ( StringHelper.isNotEmpty( generatorName ) ) {
			fallbackSequenceName = generatorName;
		}
	}

	// JPA_ENTITY_NAME value honors <class ... entity-name="..."> (HBM) and @Entity#name (JPA) overrides.
	final String defaultSequenceName = ConfigurationHelper.getBoolean( SequenceStyleGenerator.CONFIG_PREFER_SEQUENCE_PER_ENTITY, params, false )
			? params.getProperty( SequenceStyleGenerator.JPA_ENTITY_NAME ) + sequencePerEntitySuffix
			: fallbackSequenceName;

	final String sequenceName = ConfigurationHelper.getString( SequenceStyleGenerator.SEQUENCE_PARAM, params, defaultSequenceName );
	if ( sequenceName.contains( "." ) ) {
		return QualifiedNameParser.INSTANCE.parse( sequenceName );
	}
	else {
		JdbcEnvironment jdbcEnvironment = serviceRegistry.getService( JdbcEnvironment.class );
		// todo : need to incorporate implicit catalog and schema names
		final Identifier catalog = jdbcEnvironment.getIdentifierHelper().toIdentifier(
				ConfigurationHelper.getString( CATALOG, params )
		);
		final Identifier schema =  jdbcEnvironment.getIdentifierHelper().toIdentifier(
				ConfigurationHelper.getString( SCHEMA, params )
		);
		return new QualifiedNameParser.NameParts(
				catalog,
				schema,
				jdbcEnvironment.getIdentifierHelper().toIdentifier( sequenceName )
		);
	}
}
 

public JdbcContextBuilder(ServiceRegistry serviceRegistry) {
	this.serviceRegistry = serviceRegistry;
	final JdbcServices jdbcServices = serviceRegistry.getService( JdbcServices.class );
	this.sqlStatementLogger = jdbcServices.getSqlStatementLogger();
	this.sqlExceptionHelper = jdbcServices.getSqlExceptionHelper();

	this.dialect = jdbcServices.getJdbcEnvironment().getDialect();
	this.jdbcConnectionAccess = jdbcServices.getBootstrapJdbcConnectionAccess();
}
 

/**
 * Determine the table name to use for the generator values.
 * <p/>
 * Called during {@link #configure configuration}.
 *
 * @see #getTableName()
 * @param params The params supplied in the generator config (plus some standard useful extras).
 * @param jdbcEnvironment The JDBC environment
 * @return The table name to use.
 */
@SuppressWarnings({"UnusedParameters", "WeakerAccess"})
protected QualifiedName determineGeneratorTableName(Properties params, JdbcEnvironment jdbcEnvironment, ServiceRegistry serviceRegistry) {

	String fallbackTableName = DEF_TABLE;

	final Boolean preferGeneratorNameAsDefaultName = serviceRegistry.getService( ConfigurationService.class )
			.getSetting( AvailableSettings.PREFER_GENERATOR_NAME_AS_DEFAULT_SEQUENCE_NAME, StandardConverters.BOOLEAN, true );
	if ( preferGeneratorNameAsDefaultName ) {
		final String generatorName = params.getProperty( IdentifierGenerator.GENERATOR_NAME );
		if ( StringHelper.isNotEmpty( generatorName ) ) {
			fallbackTableName = generatorName;
		}
	}


	String tableName = ConfigurationHelper.getString( TABLE_PARAM, params, fallbackTableName );

	if ( tableName.contains( "." ) ) {
		return QualifiedNameParser.INSTANCE.parse( tableName );
	}
	else {
		// todo : need to incorporate implicit catalog and schema names
		final Identifier catalog = jdbcEnvironment.getIdentifierHelper().toIdentifier(
				ConfigurationHelper.getString( CATALOG, params )
		);
		final Identifier schema = jdbcEnvironment.getIdentifierHelper().toIdentifier(
				ConfigurationHelper.getString( SCHEMA, params )
		);
		return new QualifiedNameParser.NameParts(
				catalog,
				schema,
				jdbcEnvironment.getIdentifierHelper().toIdentifier( tableName )
		);
	}
}
 

/**
 * For tests
 */
public void doDrop(Metadata metadata, boolean manageNamespaces, GenerationTarget... targets) {
	final ServiceRegistry serviceRegistry = ( (MetadataImplementor) metadata ).getMetadataBuildingOptions().getServiceRegistry();
	doDrop(
			metadata,
			serviceRegistry,
			serviceRegistry.getService( ConfigurationService.class ).getSettings(),
			manageNamespaces,
			targets
	);
}
 

@Override
public void perform(ServiceRegistry serviceRegistry) {
	log.startingDelayedSchemaDrop();

	final JdbcContext jdbcContext = new JdbcContextDelayedDropImpl( serviceRegistry );
	final GenerationTargetToDatabase target = new GenerationTargetToDatabase(
			serviceRegistry.getService( TransactionCoordinatorBuilder.class ).buildDdlTransactionIsolator( jdbcContext ),
			true
	);

	target.prepare();
	try {
		for ( String command : commands ) {
			try {
				target.accept( command );
			}
			catch (CommandAcceptanceException e) {
				// implicitly we do not "halt on error", but we do want to
				// report the problem
				log.unsuccessfulSchemaManagementCommand( command );
				log.debugf( e, "Error performing delayed DROP command [%s]", command );
			}
		}
	}
	finally {
		target.release();
	}
}
 

@Override
public void contributeTypes(TypeContributions typeContributions, ServiceRegistry serviceRegistry) {
	super.contributeTypes( typeContributions, serviceRegistry );

	// HHH-9562
	typeContributions.contributeType( PostgresUUIDType.INSTANCE );
}
 

@Override
public void configure(Type type, Properties params, ServiceRegistry serviceRegistry) throws MappingException {
	propertyName = params.getProperty( "property" );
	entityName = params.getProperty( ENTITY_NAME );
	if ( propertyName==null ) {
		throw new MappingException( "param named \"property\" is required for foreign id generation strategy" );
	}
}
 

/**
 * Generates a proxy wrapping the ResultSet.
 *
 * @param resultSet The resultSet to wrap.
 * @param columnNameCache The cache storing data for converting column names to column indexes.
 * @param serviceRegistry Access to any needed services
 *
 * @return The generated proxy.
 */
public static ResultSet generateProxy(
		ResultSet resultSet,
		ColumnNameCache columnNameCache,
		ServiceRegistry serviceRegistry) {
	return serviceRegistry.getService( ClassLoaderService.class ).generateProxy(
			new ResultSetWrapperProxy( resultSet, columnNameCache ),
			ResultSet.class
	);
}
 

@Override
public void configure(Type type, Properties params, ServiceRegistry serviceRegistry) throws MappingException {
	final JdbcEnvironment jdbcEnvironment = serviceRegistry.getService( JdbcEnvironment.class );
	final Dialect dialect = jdbcEnvironment.getDialect();

	this.identifierType = type;
	boolean forceTableUse = ConfigurationHelper.getBoolean( FORCE_TBL_PARAM, params, false );

	final QualifiedName sequenceName = determineSequenceName( params, dialect, jdbcEnvironment, serviceRegistry );

	final int initialValue = determineInitialValue( params );
	int incrementSize = determineIncrementSize( params );

	final String optimizationStrategy = determineOptimizationStrategy( params, incrementSize );
	incrementSize = determineAdjustedIncrementSize( optimizationStrategy, incrementSize );

	if ( dialect.supportsSequences() && !forceTableUse ) {
		if ( !dialect.supportsPooledSequences() && OptimizerFactory.isPooledOptimizer( optimizationStrategy ) ) {
			forceTableUse = true;
			LOG.forcingTableUse();
		}
	}

	this.databaseStructure = buildDatabaseStructure(
			type,
			params,
			jdbcEnvironment,
			forceTableUse,
			sequenceName,
			initialValue,
			incrementSize
	);
	this.optimizer = OptimizerFactory.buildOptimizer(
			optimizationStrategy,
			identifierType.getReturnedClass(),
			incrementSize,
			ConfigurationHelper.getInt( INITIAL_PARAM, params, -1 )
	);
	this.databaseStructure.prepare( optimizer );
}