org.hibernate.id.enhanced.SequenceStyleGenerator Java Examples

/**
 * Constructs a new DefaultIdentifierGeneratorFactory.
 */
@SuppressWarnings("deprecation")
public DefaultIdentifierGeneratorFactory() {
	register( "uuid2", UUIDGenerator.class );
	register( "guid", GUIDGenerator.class );			// can be done with UUIDGenerator + strategy
	register( "uuid", UUIDHexGenerator.class );			// "deprecated" for new use
	register( "uuid.hex", UUIDHexGenerator.class ); 	// uuid.hex is deprecated
	register( "assigned", Assigned.class );
	register( "identity", IdentityGenerator.class );
	register( "select", SelectGenerator.class );
	register( "sequence", SequenceStyleGenerator.class );
	register( "seqhilo", SequenceHiLoGenerator.class );
	register( "increment", IncrementGenerator.class );
	register( "foreign", ForeignGenerator.class );
	register( "sequence-identity", SequenceIdentityGenerator.class );
	register( "enhanced-sequence", SequenceStyleGenerator.class );
	register( "enhanced-table", TableGenerator.class );
}
 

private static IdentifierGenerator augmentWithReactiveGenerator(IdentifierGenerator generator, Type type, Properties params, ServiceRegistryImplementor serviceRegistry) {
	ReactiveIdentifierGenerator<?> reactiveGenerator;
	if (generator instanceof SequenceStyleGenerator) {
		DatabaseStructure structure = ((SequenceStyleGenerator) generator).getDatabaseStructure();
		if (structure instanceof TableStructure) {
			reactiveGenerator = new TableReactiveIdentifierGenerator(true);
		}
		else if (structure instanceof SequenceStructure) {
			reactiveGenerator = new SequenceReactiveIdentifierGenerator();
		}
		else {
			throw new IllegalStateException("unknown structure type");
		}
	}
	else if (generator instanceof TableGenerator) {
		reactiveGenerator = new TableReactiveIdentifierGenerator(false);
	}
	else if (generator instanceof SequenceGenerator) {
		reactiveGenerator = new SequenceReactiveIdentifierGenerator();
	}
	else if (generator instanceof SelectGenerator) {
		//TODO: this is easy to fix!
		throw new HibernateException("SelectGenerator is not yet supported in Hibernate Reactive");
	}
	else {
		//nothing to do
		return generator;
	}

	((Configurable) reactiveGenerator).configure( type, params, serviceRegistry );

	return new ReactiveGeneratorWrapper<>( reactiveGenerator, generator );
}
 

/**
 * 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 )
		);
	}
}
 

/**
 * Test forcing of table as backing strucuture with dialect supporting sequences
 */
public void testForceTableUse() {
	Dialect dialect = new SequenceDialect();
	Properties props = new Properties();
	props.setProperty( SequenceStyleGenerator.FORCE_TBL_PARAM, "true" );
	SequenceStyleGenerator generator = new SequenceStyleGenerator();
	generator.configure( Hibernate.LONG, props, dialect );
	assertClassAssignability( TableStructure.class, generator.getDatabaseStructure().getClass() );
	assertClassAssignability( OptimizerFactory.NoopOptimizer.class, generator.getOptimizer().getClass() );
	assertEquals( SequenceStyleGenerator.DEF_SEQUENCE_NAME, generator.getDatabaseStructure().getName() );
}
 

private List<String> getCreateTableStrings(
    Table table, Metadata metadata, Iterable<Column> keyColumns) {

  // Get the comma separated string of the primary keys of the table.
  String primaryKeyColNames = StreamSupport.stream(keyColumns.spliterator(), false)
      .map(Column::getQuotedName)
      .collect(Collectors.joining(","));

  // Get the comma separated string of all columns of the table.
  Iterable<Column> columnIterable = () -> (Iterator<Column>) table.getColumnIterator();
  String allColumnNames = StreamSupport.stream(columnIterable.spliterator(), false)
      .map(column -> buildColumnTypeString(column, metadata))
      .collect(Collectors.joining(","));

  ArrayList<String> statements = new ArrayList<>();

  // Build the Create Table string.
  String createTableString = MessageFormat.format(
      CREATE_TABLE_TEMPLATE,
      table.getQuotedName(),
      allColumnNames,
      primaryKeyColNames,
      getInterleavedClause(table, metadata));

  statements.add(createTableString);

  if (table.getName().equals(SequenceStyleGenerator.DEF_SEQUENCE_NAME)) {
    // Caches the INSERT statement since DML statements must be run after a DDL batch.
    addStatementAfterDdlBatch(
        metadata,
        "INSERT INTO " + SequenceStyleGenerator.DEF_SEQUENCE_NAME + " ("
            + SequenceStyleGenerator.DEF_VALUE_COLUMN + ") VALUES(1)");
  }

  return statements;
}
 

/**
 * The class (which implements {@link org.hibernate.id.IdentifierGenerator})
 * which acts as this dialects native generation strategy.
 * <p/>
 * Comes into play whenever the user specifies the native generator.
 *
 * @return The native generator class.
 * @deprecated use {@link #getNativeIdentifierGeneratorStrategy()} instead
 */
@Deprecated
public Class getNativeIdentifierGeneratorClass() {
	if ( getIdentityColumnSupport().supportsIdentityColumns() ) {
		return IdentityGenerator.class;
	}
	else {
		return SequenceStyleGenerator.class;
	}
}
 

@Override
public String determineGeneratorName(GenerationType generationType, GeneratorNameDeterminationContext context) {
	switch ( generationType ) {
		case IDENTITY: {
			return "identity";
		}
		case SEQUENCE: {
			return org.hibernate.id.enhanced.SequenceStyleGenerator.class.getName();
		}
		case TABLE: {
			return org.hibernate.id.enhanced.TableGenerator.class.getName();
		}
		default: {
			// AUTO

			if ( "increment".equalsIgnoreCase( context.getGeneratedValueGeneratorName() ) ) {
				return IncrementGenerator.class.getName();
			}

			final Class javaType = context.getIdType();
			if ( UUID.class.isAssignableFrom( javaType ) ) {
				return UUIDGenerator.class.getName();
			}

			return org.hibernate.id.enhanced.SequenceStyleGenerator.class.getName();
		}
	}
}
 

@Override
public void interpretSequenceGenerator(
		SequenceGenerator sequenceGeneratorAnnotation,
		IdentifierGeneratorDefinition.Builder definitionBuilder) {
	definitionBuilder.setName( sequenceGeneratorAnnotation.name() );
	definitionBuilder.setStrategy( SequenceStyleGenerator.class.getName() );

	if ( !BinderHelper.isEmptyAnnotationValue( sequenceGeneratorAnnotation.catalog() ) ) {
		definitionBuilder.addParam(
				PersistentIdentifierGenerator.CATALOG,
				sequenceGeneratorAnnotation.catalog()
		);
	}
	if ( !BinderHelper.isEmptyAnnotationValue( sequenceGeneratorAnnotation.schema() ) ) {
		definitionBuilder.addParam(
				PersistentIdentifierGenerator.SCHEMA,
				sequenceGeneratorAnnotation.schema()
		);
	}
	if ( !BinderHelper.isEmptyAnnotationValue( sequenceGeneratorAnnotation.sequenceName() ) ) {
		definitionBuilder.addParam(
				SequenceStyleGenerator.SEQUENCE_PARAM,
				sequenceGeneratorAnnotation.sequenceName()
		);
	}

	definitionBuilder.addParam(
			SequenceStyleGenerator.INCREMENT_PARAM,
			String.valueOf( sequenceGeneratorAnnotation.allocationSize() )
	);
	definitionBuilder.addParam(
			SequenceStyleGenerator.INITIAL_PARAM,
			String.valueOf( sequenceGeneratorAnnotation.initialValue() )
	);
}
 

/**
 * Test default optimizer selection for table backed generators
 * based on the configured increment size.  Here we always prefer
 * pooled.
 */
public void testDefaultOptimizerBasedOnIncrementBackedByTable() {
	Properties props = new Properties();
	props.setProperty( SequenceStyleGenerator.INCREMENT_PARAM, "10" );
	Dialect dialect = new TableDialect();
	SequenceStyleGenerator generator = new SequenceStyleGenerator();
	generator.configure( Hibernate.LONG, props, dialect );
	assertClassAssignability( TableStructure.class, generator.getDatabaseStructure().getClass() );
	assertClassAssignability( OptimizerFactory.PooledOptimizer.class, generator.getOptimizer().getClass() );
	assertEquals( SequenceStyleGenerator.DEF_SEQUENCE_NAME, generator.getDatabaseStructure().getName() );
}
 

/**
 * Test all params defaulted with a dialect which does not support sequences
 */
public void testDefaultedTableBackedConfiguration() {
	Dialect dialect = new TableDialect();
	Properties props = new Properties();
	SequenceStyleGenerator generator = new SequenceStyleGenerator();
	generator.configure( Hibernate.LONG, props, dialect );

	assertClassAssignability( TableStructure.class, generator.getDatabaseStructure().getClass() );
	assertClassAssignability( OptimizerFactory.NoopOptimizer.class, generator.getOptimizer().getClass() );
	assertEquals( SequenceStyleGenerator.DEF_SEQUENCE_NAME, generator.getDatabaseStructure().getName() );
}
 

public void testNormalBoundary() {
	EntityPersister persister = sfi().getEntityPersister( Entity.class.getName() );
	assertClassAssignability( SequenceStyleGenerator.class, persister.getIdentifierGenerator().getClass() );
	SequenceStyleGenerator generator = ( SequenceStyleGenerator ) persister.getIdentifierGenerator();
	assertClassAssignability( OptimizerFactory.PooledOptimizer.class, generator.getOptimizer().getClass() );
	OptimizerFactory.PooledOptimizer optimizer = ( OptimizerFactory.PooledOptimizer ) generator.getOptimizer();

	int increment = optimizer.getIncrementSize();
	Entity[] entities = new Entity[ increment + 1 ];
	Session s = openSession();
	s.beginTransaction();
	for ( int i = 0; i < increment; i++ ) {
		entities[i] = new Entity( "" + ( i + 1 ) );
		s.save( entities[i] );
		assertEquals( 2, generator.getDatabaseStructure().getTimesAccessed() ); // initialization calls seq twice
		assertEquals( increment + 1, optimizer.getLastSourceValue() ); // initialization calls seq twice
		assertEquals( i + 1, optimizer.getLastValue() );
		assertEquals( increment + 1, optimizer.getLastSourceValue() );
	}
	// now force a "clock over"
	entities[ increment ] = new Entity( "" + increment );
	s.save( entities[ increment ] );
	assertEquals( 3, generator.getDatabaseStructure().getTimesAccessed() ); // initialization (2) + clock over
	assertEquals( ( increment * 2 ) + 1, optimizer.getLastSourceValue() ); // initialization (2) + clock over
	assertEquals( increment + 1, optimizer.getLastValue() );
	s.getTransaction().commit();

	s.beginTransaction();
	for ( int i = 0; i < entities.length; i++ ) {
		assertEquals( i + 1, entities[i].getId().intValue() );
		s.delete( entities[i] );
	}
	s.getTransaction().commit();
	s.close();
}
 

public void testNormalBoundary() {
	EntityPersister persister = sfi().getEntityPersister( Entity.class.getName() );
	assertClassAssignability( SequenceStyleGenerator.class, persister.getIdentifierGenerator().getClass() );
	SequenceStyleGenerator generator = ( SequenceStyleGenerator ) persister.getIdentifierGenerator();

	int count = 5;
	Entity[] entities = new Entity[count];
	Session s = openSession();
	s.beginTransaction();
	for ( int i = 0; i < count; i++ ) {
		entities[i] = new Entity( "" + ( i + 1 ) );
		s.save( entities[i] );
		long expectedId = i + 1;
		assertEquals( expectedId, entities[i].getId().longValue() );
		assertEquals( expectedId, generator.getDatabaseStructure().getTimesAccessed() );
		assertEquals( expectedId, generator.getOptimizer().getLastSourceValue() );
	}
	s.getTransaction().commit();

	s.beginTransaction();
	for ( int i = 0; i < count; i++ ) {
		assertEquals( i + 1, entities[i].getId().intValue() );
		s.delete( entities[i] );
	}
	s.getTransaction().commit();
	s.close();

}
 

public void testNormalBoundary() {
	EntityPersister persister = sfi().getEntityPersister( Entity.class.getName() );
	assertClassAssignability( SequenceStyleGenerator.class, persister.getIdentifierGenerator().getClass() );
	SequenceStyleGenerator generator = ( SequenceStyleGenerator ) persister.getIdentifierGenerator();
	assertClassAssignability( OptimizerFactory.HiLoOptimizer.class, generator.getOptimizer().getClass() );
	OptimizerFactory.HiLoOptimizer optimizer = ( OptimizerFactory.HiLoOptimizer ) generator.getOptimizer();

	int increment = optimizer.getIncrementSize();
	Entity[] entities = new Entity[ increment + 1 ];
	Session s = openSession();
	s.beginTransaction();
	for ( int i = 0; i < increment; i++ ) {
		entities[i] = new Entity( "" + ( i + 1 ) );
		s.save( entities[i] );
		assertEquals( 1, generator.getDatabaseStructure().getTimesAccessed() ); // initialization
		assertEquals( 1, optimizer.getLastSourceValue() ); // initialization
		assertEquals( i + 1, optimizer.getLastValue() );
		assertEquals( increment + 1, optimizer.getHiValue() );
	}
	// now force a "clock over"
	entities[ increment ] = new Entity( "" + increment );
	s.save( entities[ increment ] );
	assertEquals( 2, generator.getDatabaseStructure().getTimesAccessed() ); // initialization
	assertEquals( 2, optimizer.getLastSourceValue() ); // initialization
	assertEquals( increment + 1, optimizer.getLastValue() );
	assertEquals( ( increment * 2 ) + 1, optimizer.getHiValue() );

	s.getTransaction().commit();

	s.beginTransaction();
	for ( int i = 0; i < entities.length; i++ ) {
		assertEquals( i + 1, entities[i].getId().intValue() );
		s.delete( entities[i] );
	}
	s.getTransaction().commit();
	s.close();
}
 

public void testNormalBoundary() {
	EntityPersister persister = sfi().getEntityPersister( Entity.class.getName() );
	assertClassAssignability( SequenceStyleGenerator.class, persister.getIdentifierGenerator().getClass() );
	SequenceStyleGenerator generator = ( SequenceStyleGenerator ) persister.getIdentifierGenerator();

	int count = 5;
	Entity[] entities = new Entity[count];
	Session s = openSession();
	s.beginTransaction();
	for ( int i = 0; i < count; i++ ) {
		entities[i] = new Entity( "" + ( i + 1 ) );
		s.save( entities[i] );
		long expectedId = i + 1;
		assertEquals( expectedId, entities[i].getId().longValue() );
		assertEquals( expectedId, generator.getDatabaseStructure().getTimesAccessed() );
		assertEquals( expectedId, generator.getOptimizer().getLastSourceValue() );
	}
	s.getTransaction().commit();

	s.beginTransaction();
	for ( int i = 0; i < count; i++ ) {
		assertEquals( i + 1, entities[i].getId().intValue() );
		s.delete( entities[i] );
	}
	s.getTransaction().commit();
	s.close();

}
 

/**
 * Test all params defaulted with a dialect supporting sequences
 */
public void testDefaultedSequenceBackedConfiguration() {
	Dialect dialect = new SequenceDialect();
	Properties props = new Properties();
	SequenceStyleGenerator generator = new SequenceStyleGenerator();
	generator.configure( Hibernate.LONG, props, dialect );

	assertClassAssignability( SequenceStructure.class, generator.getDatabaseStructure().getClass() );
	assertClassAssignability( OptimizerFactory.NoopOptimizer.class, generator.getOptimizer().getClass() );
	assertEquals( SequenceStyleGenerator.DEF_SEQUENCE_NAME, generator.getDatabaseStructure().getName() );
}
 

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

    final JdbcEnvironment jdbcEnvironment = serviceRegistry.getService(
            JdbcEnvironment.class
    );

    final Dialect dialect = jdbcEnvironment.getDialect();

    final ConfigurationService configurationService = serviceRegistry.getService(
            ConfigurationService.class
    );

    String globalEntityIdentifierPrefix = configurationService.getSetting(
        "entity.identifier.prefix",
        String.class,
        "SEQ_"
    );

    sequencePrefix = ConfigurationHelper.getString(
        SEQUENCE_PREFIX,
        params,
        globalEntityIdentifierPrefix
    );

    final String sequencePerEntitySuffix = ConfigurationHelper.getString(
        SequenceStyleGenerator.CONFIG_SEQUENCE_PER_ENTITY_SUFFIX,
        params,
        SequenceStyleGenerator.DEF_SEQUENCE_SUFFIX
    );

    boolean preferSequencePerEntity = ConfigurationHelper.getBoolean(
        SequenceStyleGenerator.CONFIG_PREFER_SEQUENCE_PER_ENTITY,
        params,
        false
    );

    final String defaultSequenceName = preferSequencePerEntity
            ? params.getProperty(JPA_ENTITY_NAME) + sequencePerEntitySuffix
            : SequenceStyleGenerator.DEF_SEQUENCE_NAME;

    sequenceCallSyntax = dialect.getSequenceNextValString(
        ConfigurationHelper.getString(
            SequenceStyleGenerator.SEQUENCE_PARAM,
            params,
            defaultSequenceName
        )
    );
}
 

protected void bindSimpleValue(PersistentProperty grailsProp,
                               PersistentProperty parentProperty, SimpleValue simpleValue,
                               String path, PropertyConfig propertyConfig, String sessionFactoryBeanName) {
    setTypeForPropertyConfig(grailsProp, simpleValue, propertyConfig);
    final PropertyConfig mappedForm = (PropertyConfig) grailsProp.getMapping().getMappedForm();
    if (mappedForm.isDerived() && !(grailsProp instanceof TenantId)) {
        Formula formula = new Formula();
        formula.setFormula(propertyConfig.getFormula());
        simpleValue.addFormula(formula);
    } else {
        Table table = simpleValue.getTable();
        boolean hasConfig = propertyConfig != null;

        String generator = hasConfig ? propertyConfig.getGenerator() : null;
        if(generator != null) {
            simpleValue.setIdentifierGeneratorStrategy(generator);
            Properties params = propertyConfig.getTypeParams();
            if(params != null) {
                Properties generatorProps = new Properties();
                generatorProps.putAll(params);

                if(generatorProps.containsKey(SEQUENCE_KEY)) {
                    generatorProps.put(SequenceStyleGenerator.SEQUENCE_PARAM,  generatorProps.getProperty(SEQUENCE_KEY));
                }
                simpleValue.setIdentifierGeneratorProperties( generatorProps );
            }
        }

        // Add the column definitions for this value/property. Note that
        // not all custom mapped properties will have column definitions,
        // in which case we still need to create a Hibernate column for
        // this value.
        List<?> columnDefinitions = hasConfig ? propertyConfig.getColumns()
                : Arrays.asList(new Object[] { null });
        if (columnDefinitions.isEmpty()) {
            columnDefinitions = Arrays.asList(new Object[] { null });
        }

        for (Object columnDefinition : columnDefinitions) {
            ColumnConfig cc = (ColumnConfig) columnDefinition;
            Column column = new Column();

            // Check for explicitly mapped column name and SQL type.
            if (cc != null) {
                if (cc.getName() != null) {
                    column.setName(cc.getName());
                }
                if (cc.getSqlType() != null) {
                    column.setSqlType(cc.getSqlType());
                }
            }

            column.setValue(simpleValue);


            if (cc != null) {
                if (cc.getLength() != -1) {
                    column.setLength(cc.getLength());
                }
                if (cc.getPrecision() != -1) {
                    column.setPrecision(cc.getPrecision());
                }
                if (cc.getScale() != -1) {
                    column.setScale(cc.getScale());
                }
                if(!mappedForm.isUniqueWithinGroup()) {
                    column.setUnique(cc.isUnique());
                }
            }

            bindColumn(grailsProp, parentProperty, column, cc, path, table, sessionFactoryBeanName);

            if (table != null) {
                table.addColumn(column);
            }

            simpleValue.addColumn(column);
        }
    }
}
 

@SuppressWarnings("unchecked")
protected void bindSimpleId(PersistentProperty identifier, RootClass entity,
                            InFlightMetadataCollector mappings, Identity mappedId, String sessionFactoryBeanName) {

    Mapping mapping = getMapping(identifier.getOwner());
    boolean useSequence = mapping != null && mapping.isTablePerConcreteClass();

    // create the id value
    SimpleValue id = new SimpleValue(metadataBuildingContext, entity.getTable());
    Property idProperty  = new Property();
    idProperty.setName(identifier.getName());
    idProperty.setValue(id);
    entity.setDeclaredIdentifierProperty(idProperty);
    // set identifier on entity

    Properties params = new Properties();
    entity.setIdentifier(id);

    if (mappedId == null) {
        // configure generator strategy
        id.setIdentifierGeneratorStrategy(useSequence ? "sequence-identity" : "native");
    } else {
        String generator = mappedId.getGenerator();
        if("native".equals(generator) && useSequence) {
            generator = "sequence-identity";
        }
        id.setIdentifierGeneratorStrategy(generator);
        params.putAll(mappedId.getParams());
        if(params.containsKey(SEQUENCE_KEY)) {
            params.put(SequenceStyleGenerator.SEQUENCE_PARAM,  params.getProperty(SEQUENCE_KEY));
        }
        if ("assigned".equals(generator)) {
            id.setNullValue("undefined");
        }
    }

    String schemaName = getSchemaName(mappings);
    String catalogName = getCatalogName(mappings);

    params.put(PersistentIdentifierGenerator.IDENTIFIER_NORMALIZER, this.metadataBuildingContext.getObjectNameNormalizer());

    if (schemaName != null) {
        params.setProperty(PersistentIdentifierGenerator.SCHEMA, schemaName);
    }
    if (catalogName != null) {
        params.setProperty(PersistentIdentifierGenerator.CATALOG, catalogName);
    }
    id.setIdentifierGeneratorProperties(params);

    // bind value
    bindSimpleValue(identifier, null, id, EMPTY_PATH, mappings, sessionFactoryBeanName);

    // create property
    Property prop = new Property();
    prop.setValue(id);

    // bind property
    bindProperty(identifier, prop, mappings);
    // set identifier property
    entity.setIdentifierProperty(prop);

    id.getTable().setIdentifierValue(id);
}
 

protected int determineInitialValueForSequenceEmulation(Properties params) {
	return ConfigurationHelper.getInt( SequenceStyleGenerator.INITIAL_PARAM, params, SequenceStyleGenerator.DEFAULT_INITIAL_VALUE );
}
 

static String determineValueColumnNameForSequenceEmulation(Properties params, JdbcEnvironment jdbcEnvironment) {
	final String name = ConfigurationHelper.getString( SequenceStyleGenerator.VALUE_COLUMN_PARAM, params, SequenceStyleGenerator.DEF_VALUE_COLUMN );
	return jdbcEnvironment.getIdentifierHelper().toIdentifier( name ).render( jdbcEnvironment.getDialect() );
}