code cleanups to SequenceStyleGenerator and TableGenerator (#8816)

* code cleanups to SequenceStyleGenerator and TableGenerator

Signed-off-by: Gavin King <gavin@hibernate.org>

* code cleanups to TableStructure and SequenceStructure

Signed-off-by: Gavin King <gavin@hibernate.org>

* more very minor cleanups around enhanced generators

Signed-off-by: Gavin King <gavin@hibernate.org>

* more very minor cleanups around enhanced generators

Signed-off-by: Gavin King <gavin@hibernate.org>

* more very minor cleanups around enhanced generators

Signed-off-by: Gavin King <gavin@hibernate.org>

---------

Signed-off-by: Gavin King <gavin@hibernate.org>

hibernate-core/src/main/java/org/hibernate/id/IdentifierGeneratorHelper.java

@@ -14,17 +14,27 @@ import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.Objects;
+import java.util.Properties;
 
 import org.hibernate.Internal;
 import org.hibernate.TransientObjectException;
+import org.hibernate.boot.registry.selector.spi.StrategySelector;
+import org.hibernate.engine.config.spi.ConfigurationService;
 import org.hibernate.engine.spi.SharedSessionContractImplementor;
+import org.hibernate.id.enhanced.ImplicitDatabaseObjectNamingStrategy;
+import org.hibernate.id.enhanced.StandardNamingStrategy;
 import org.hibernate.internal.CoreLogging;
 import org.hibernate.internal.CoreMessageLogger;
 import org.hibernate.persister.entity.EntityPersister;
+import org.hibernate.service.ServiceRegistry;
 import org.hibernate.type.EntityType;
 import org.hibernate.type.Type;
 
+import static org.hibernate.cfg.MappingSettings.ID_DB_STRUCTURE_NAMING_STRATEGY;
 import static org.hibernate.engine.internal.ForeignKeys.getEntityIdentifierIfNotUnsaved;
+import static org.hibernate.internal.log.IncubationLogger.INCUBATION_LOGGER;
+import static org.hibernate.internal.util.NullnessHelper.coalesceSuppliedValues;
+import static org.hibernate.internal.util.config.ConfigurationHelper.getString;
 import static org.hibernate.spi.NavigablePath.IDENTIFIER_MAPPER_PROPERTY;
 
 /**
@@ -625,6 +635,31 @@ public final class IdentifierGeneratorHelper {
 		}
 	}
 
+	public static ImplicitDatabaseObjectNamingStrategy getNamingStrategy(Properties params, ServiceRegistry serviceRegistry) {
+		final StrategySelector strategySelector = serviceRegistry.requireService( StrategySelector.class );
+
+		final String namingStrategySetting = coalesceSuppliedValues(
+				() -> {
+					final String localSetting = getString( ID_DB_STRUCTURE_NAMING_STRATEGY, params );
+					if ( localSetting != null ) {
+						INCUBATION_LOGGER.incubatingSetting( ID_DB_STRUCTURE_NAMING_STRATEGY );
+					}
+					return localSetting;
+				},
+				() -> {
+					final ConfigurationService configurationService = serviceRegistry.requireService( ConfigurationService.class );
+					final String globalSetting = getString( ID_DB_STRUCTURE_NAMING_STRATEGY, configurationService.getSettings() );
+					if ( globalSetting != null ) {
+						INCUBATION_LOGGER.incubatingSetting( ID_DB_STRUCTURE_NAMING_STRATEGY );
+					}
+					return globalSetting;
+				},
+				StandardNamingStrategy.class::getName
+		);
+
+		return strategySelector.resolveStrategy( ImplicitDatabaseObjectNamingStrategy.class, namingStrategySetting );
+	}
+
 	/**
 	 * Disallow instantiation of IdentifierGeneratorHelper.
 	 */

hibernate-core/src/main/java/org/hibernate/id/enhanced/Optimizer.java

@@ -27,8 +27,8 @@ public interface Optimizer {
 	/**
 	 * Generate an identifier value accounting for this specific optimization.
 	 *
-	 * All known implementors are synchronized. Consider carefully if a new
+	 * @implNote All known implementors are synchronized. Consider carefully
-	 * implementation could drop this requirement.
+	 *           if a new implementation could drop this requirement.
 	 *
 	 * @param callback Callback to access the underlying value source.
 	 * @return The generated identifier value.

hibernate-core/src/main/java/org/hibernate/id/enhanced/SequenceStructure.java

@@ -16,14 +16,15 @@ import org.hibernate.boot.model.relational.Namespace;
 import org.hibernate.boot.model.relational.QualifiedName;
 import org.hibernate.boot.model.relational.Sequence;
 import org.hibernate.boot.model.relational.SqlStringGenerationContext;
-import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
+import org.hibernate.engine.jdbc.spi.JdbcCoordinator;
 import org.hibernate.engine.spi.SharedSessionContractImplementor;
-import org.hibernate.id.IdentifierGeneratorHelper;
 import org.hibernate.id.IntegralDataTypeHolder;
 import org.hibernate.internal.CoreMessageLogger;
 
 import org.jboss.logging.Logger;
 
+import static org.hibernate.id.IdentifierGeneratorHelper.getIntegralDataTypeHolder;
+
 /**
  * Describes a sequence.
  *
@@ -39,7 +40,7 @@ public class SequenceStructure implements DatabaseStructure {
 	private final QualifiedName logicalQualifiedSequenceName;
 	private final int initialValue;
 	private final int incrementSize;
-	private final Class numberType;
+	private final Class<?> numberType;
 	private final String options;
 
 	private String sql;
@@ -48,12 +49,11 @@ public class SequenceStructure implements DatabaseStructure {
 	protected QualifiedName physicalSequenceName;
 
 	public SequenceStructure(
-			JdbcEnvironment jdbcEnvironment,
 			String contributor,
 			QualifiedName qualifiedSequenceName,
 			int initialValue,
 			int incrementSize,
-			Class numberType) {
+			Class<?> numberType) {
 		this.contributor = contributor;
 		this.logicalQualifiedSequenceName = qualifiedSequenceName;
 
@@ -64,13 +64,12 @@ public class SequenceStructure implements DatabaseStructure {
 	}
 
 	public SequenceStructure(
-			JdbcEnvironment jdbcEnvironment,
 			String contributor,
 			QualifiedName qualifiedSequenceName,
 			int initialValue,
 			int incrementSize,
 			String options,
-			Class numberType) {
+			Class<?> numberType) {
 		this.contributor = contributor;
 		this.logicalQualifiedSequenceName = qualifiedSequenceName;
 
@@ -100,7 +99,7 @@ public class SequenceStructure implements DatabaseStructure {
 		return initialValue;
 	}
 
-	@Override
+	@Override @Deprecated
 	public String[] getAllSqlForTests() {
 		return new String[] { sql };
 	}
@@ -116,12 +115,13 @@ public class SequenceStructure implements DatabaseStructure {
 			public IntegralDataTypeHolder getNextValue() {
 				accessCounter++;
 				try {
-					final PreparedStatement st = session.getJdbcCoordinator().getStatementPreparer().prepareStatement( sql );
+					final JdbcCoordinator jdbcCoordinator = session.getJdbcCoordinator();
+					final PreparedStatement st = jdbcCoordinator.getStatementPreparer().prepareStatement( sql );
 					try {
-						final ResultSet rs = session.getJdbcCoordinator().getResultSetReturn().extract( st, sql );
+						final ResultSet rs = jdbcCoordinator.getResultSetReturn().extract( st, sql );
 						try {
 							rs.next();
-							final IntegralDataTypeHolder value = IdentifierGeneratorHelper.getIntegralDataTypeHolder( numberType );
+							final IntegralDataTypeHolder value = getIntegralDataTypeHolder( numberType );
 							value.initialize( rs, 1 );
 							if ( LOG.isDebugEnabled() ) {
 								LOG.debugf( "Sequence value obtained: %s", value.makeValue() );
@@ -130,7 +130,7 @@ public class SequenceStructure implements DatabaseStructure {
 						}
 						finally {
 							try {
-								session.getJdbcCoordinator().getLogicalConnection().getResourceRegistry().release( rs, st );
+								jdbcCoordinator.getLogicalConnection().getResourceRegistry().release( rs, st );
 							}
 							catch( Throwable ignore ) {
 								// intentionally empty
@@ -138,8 +138,8 @@ public class SequenceStructure implements DatabaseStructure {
 						}
 					}
 					finally {
-						session.getJdbcCoordinator().getLogicalConnection().getResourceRegistry().release( st );
+						jdbcCoordinator.getLogicalConnection().getResourceRegistry().release( st );
-						session.getJdbcCoordinator().afterStatementExecution();
+						jdbcCoordinator.afterStatementExecution();
 					}
 
 				}
@@ -171,7 +171,8 @@ public class SequenceStructure implements DatabaseStructure {
 
 	@Override
 	public void initialize(SqlStringGenerationContext context) {
-		this.sql = context.getDialect().getSequenceSupport().getSequenceNextValString( context.format( physicalSequenceName ) );
+		this.sql = context.getDialect().getSequenceSupport()
+				.getSequenceNextValString( context.format( physicalSequenceName ) );
 	}
 
 	@Override
@@ -213,6 +214,6 @@ public class SequenceStructure implements DatabaseStructure {
 			);
 		}
 
-		this.physicalSequenceName = sequence.getName();
+		physicalSequenceName = sequence.getName();
 	}
 }

hibernate-core/src/main/java/org/hibernate/id/enhanced/SequenceStyleGenerator.java

@@ -6,9 +6,7 @@
  */
 package org.hibernate.id.enhanced;
 
-import java.util.Collections;
 import java.util.Iterator;
-import java.util.Objects;
 import java.util.Properties;
 import java.util.Set;
 
@@ -20,7 +18,6 @@ import org.hibernate.boot.model.relational.QualifiedName;
 import org.hibernate.boot.model.relational.QualifiedNameParser;
 import org.hibernate.boot.model.relational.QualifiedSequenceName;
 import org.hibernate.boot.model.relational.SqlStringGenerationContext;
-import org.hibernate.boot.registry.selector.spi.StrategySelector;
 import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.dialect.Dialect;
 import org.hibernate.engine.config.spi.ConfigurationService;
@@ -32,7 +29,6 @@ import org.hibernate.id.IdentifierGenerator;
 import org.hibernate.id.PersistentIdentifierGenerator;
 import org.hibernate.id.SequenceMismatchStrategy;
 import org.hibernate.internal.CoreMessageLogger;
-import org.hibernate.internal.util.StringHelper;
 import org.hibernate.service.ServiceRegistry;
 import org.hibernate.tool.schema.Action;
 import org.hibernate.tool.schema.extract.spi.SequenceInformation;
@@ -41,10 +37,10 @@ import org.hibernate.type.Type;
 
 import org.jboss.logging.Logger;
 
-import static org.hibernate.cfg.AvailableSettings.ID_DB_STRUCTURE_NAMING_STRATEGY;
+import static java.util.Collections.singleton;
+import static org.hibernate.id.IdentifierGeneratorHelper.getNamingStrategy;
 import static org.hibernate.id.enhanced.OptimizerFactory.determineImplicitOptimizerName;
-import static org.hibernate.internal.log.IncubationLogger.INCUBATION_LOGGER;
+import static org.hibernate.internal.util.StringHelper.isNotEmpty;
-import static org.hibernate.internal.util.NullnessHelper.coalesceSuppliedValues;
 import static org.hibernate.internal.util.config.ConfigurationHelper.getBoolean;
 import static org.hibernate.internal.util.config.ConfigurationHelper.getInt;
 import static org.hibernate.internal.util.config.ConfigurationHelper.getString;
@@ -201,7 +197,7 @@ public class SequenceStyleGenerator
 		final JdbcEnvironment jdbcEnvironment = serviceRegistry.requireService( JdbcEnvironment.class );
 		final Dialect dialect = jdbcEnvironment.getDialect();
 
-		this.identifierType = type;
+		identifierType = type;
 
 		final QualifiedName sequenceName = determineSequenceName( parameters, dialect, jdbcEnvironment, serviceRegistry );
 		final int initialValue = determineInitialValue( parameters );
@@ -228,7 +224,7 @@ public class SequenceStyleGenerator
 			LOG.forcingTableUse();
 		}
 
-		this.databaseStructure = buildDatabaseStructure(
+		databaseStructure = buildDatabaseStructure(
 				type,
 				parameters,
 				jdbcEnvironment,
@@ -237,15 +233,15 @@ public class SequenceStyleGenerator
 				initialValue,
 				incrementSize
 		);
-		this.optimizer = OptimizerFactory.buildOptimizer(
+		optimizer = OptimizerFactory.buildOptimizer(
 				optimizationStrategy,
 				identifierType.getReturnedClass(),
 				incrementSize,
 				getInt( INITIAL_PARAM, parameters, -1 )
 		);
-		this.databaseStructure.configure( optimizer );
+		databaseStructure.configure( optimizer );
 
-		this.options = parameters.getProperty( OPTIONS );
+		options = parameters.getProperty( OPTIONS );
 	}
 
 	private int adjustIncrementSize(
@@ -267,7 +263,9 @@ public class SequenceStyleGenerator
 				&& optimizationStrategy.isPooled()
 				&& physicalSequence ) {
 			final String databaseSequenceName = sequenceName.getObjectName().getText();
-			final Number databaseIncrementValue = isSchemaToBeRecreated( contributor, configurationService ) ? null : getSequenceIncrementValue( jdbcEnvironment, databaseSequenceName );
+			final Number databaseIncrementValue =
+					isSchemaToBeRecreated( contributor, configurationService ) ? null
+							: getSequenceIncrementValue( jdbcEnvironment, databaseSequenceName );
 			if ( databaseIncrementValue != null && databaseIncrementValue.intValue() != incrementSize) {
 				final int dbIncrementValue = databaseIncrementValue.intValue();
 				switch ( sequenceMismatchStrategy ) {
@@ -292,7 +290,8 @@ public class SequenceStyleGenerator
 	}
 
 	private boolean isSchemaToBeRecreated(String contributor, ConfigurationService configurationService) {
-		final Set<ActionGrouping> actions = ActionGrouping.interpret( Collections.singleton(contributor), configurationService.getSettings() );
+		final Set<ActionGrouping> actions =
+				ActionGrouping.interpret( singleton( contributor ), configurationService.getSettings() );
 		// We know this will only contain at most 1 action
 		final Iterator<ActionGrouping> it = actions.iterator();
 		final Action dbAction = it.hasNext() ? it.next().getDatabaseAction() : null;
@@ -306,7 +305,7 @@ public class SequenceStyleGenerator
 
 	@Override
 	public void initialize(SqlStringGenerationContext context) {
-		this.databaseStructure.initialize( context );
+		databaseStructure.initialize( context );
 	}
 
 	/**
@@ -327,62 +326,32 @@ public class SequenceStyleGenerator
 			JdbcEnvironment jdbcEnv,
 			ServiceRegistry serviceRegistry) {
 		final IdentifierHelper identifierHelper = jdbcEnv.getIdentifierHelper();
-
 		final Identifier catalog = identifierHelper.toIdentifier( getString( CATALOG, params ) );
 		final Identifier schema =  identifierHelper.toIdentifier( getString( SCHEMA, params ) );
-
 		final String sequenceName = getString( SEQUENCE_PARAM, params, () -> getString( ALT_SEQUENCE_PARAM, params ) );
-		if ( StringHelper.isNotEmpty( sequenceName ) ) {
+		return sequenceName( params, serviceRegistry, sequenceName, catalog, schema, identifierHelper );
+	}
+
+	private static QualifiedName sequenceName(
+			Properties params,
+			ServiceRegistry serviceRegistry,
+			String explicitSequenceName,
+			Identifier catalog, Identifier schema,
+			IdentifierHelper identifierHelper) {
+		if ( isNotEmpty( explicitSequenceName ) ) {
 			// we have an explicit name, use it
-			if ( sequenceName.contains( "." ) ) {
+			return explicitSequenceName.contains(".")
-				return QualifiedNameParser.INSTANCE.parse( sequenceName );
+					? QualifiedNameParser.INSTANCE.parse( explicitSequenceName )
+					: new QualifiedNameParser.NameParts( catalog, schema,
+							identifierHelper.toIdentifier( explicitSequenceName ) );
 		}
 		else {
-				return new QualifiedNameParser.NameParts(
-						catalog,
-						schema,
-						identifierHelper.toIdentifier( sequenceName )
-				);
-			}
-		}
-
 			// otherwise, determine an implicit name to use
-		return determineImplicitName( catalog, schema, params, serviceRegistry );
+			return getNamingStrategy( params, serviceRegistry )
+					.determineSequenceName( catalog, schema, params, serviceRegistry );
+		}
 	}
 
-	private QualifiedName determineImplicitName(
-			Identifier catalog,
-			Identifier schema,
-			Properties params,
-			ServiceRegistry serviceRegistry) {
-		final StrategySelector strategySelector = serviceRegistry.requireService( StrategySelector.class );
-
-		final String namingStrategySetting = coalesceSuppliedValues(
-				() -> {
-					final String localSetting = getString( ID_DB_STRUCTURE_NAMING_STRATEGY, params );
-					if ( localSetting != null ) {
-						INCUBATION_LOGGER.incubatingSetting( ID_DB_STRUCTURE_NAMING_STRATEGY );
-					}
-					return localSetting;
-				},
-				() -> {
-					final ConfigurationService configurationService = serviceRegistry.requireService( ConfigurationService.class );
-					final String globalSetting = getString( ID_DB_STRUCTURE_NAMING_STRATEGY, configurationService.getSettings() );
-					if ( globalSetting != null ) {
-						INCUBATION_LOGGER.incubatingSetting( ID_DB_STRUCTURE_NAMING_STRATEGY );
-					}
-					return globalSetting;
-				},
-				StandardNamingStrategy.class::getName
-		);
-
-		final ImplicitDatabaseObjectNamingStrategy namingStrategy = strategySelector.resolveStrategy(
-				ImplicitDatabaseObjectNamingStrategy.class,
-				namingStrategySetting
-		);
-
-		return namingStrategy.determineSequenceName( catalog, schema, params, serviceRegistry );
-	}
 
 	/**
 	 * Determine the name of the column used to store the generator value in
@@ -502,12 +471,9 @@ public class SequenceStyleGenerator
 			QualifiedName sequenceName,
 			int initialValue,
 			int incrementSize) {
-		if ( isPhysicalSequence( jdbcEnvironment, forceTableUse ) ) {
+		return isPhysicalSequence( jdbcEnvironment, forceTableUse )
-			return buildSequenceStructure( type, params, jdbcEnvironment, sequenceName, initialValue, incrementSize );
+				? buildSequenceStructure( type, params, jdbcEnvironment, sequenceName, initialValue, incrementSize )
-		}
+				: buildTableStructure( type, params, jdbcEnvironment, sequenceName, initialValue, incrementSize );
-		else {
-			return buildTableStructure( type, params, jdbcEnvironment, sequenceName, initialValue, incrementSize );
-		}
 	}
 
 	protected boolean isPhysicalSequence(JdbcEnvironment jdbcEnvironment, boolean forceTableUse) {
@@ -523,7 +489,6 @@ public class SequenceStyleGenerator
 			int initialValue,
 			int incrementSize) {
 		return new SequenceStructure(
-				jdbcEnvironment,
 				determineContributor( params ),
 				sequenceName,
 				initialValue,
@@ -540,14 +505,11 @@ public class SequenceStyleGenerator
 			QualifiedName sequenceName,
 			int initialValue,
 			int incrementSize) {
-		final Identifier valueColumnName = determineValueColumnName( params, jdbcEnvironment );
-		final String contributor = determineContributor( params );
 
 		return new TableStructure(
-				jdbcEnvironment,
+				determineContributor( params ),
-				contributor,
 				sequenceName,
-				valueColumnName,
+				determineValueColumnName( params, jdbcEnvironment ),
 				initialValue,
 				incrementSize,
 				params.getProperty( OPTIONS ),
@@ -591,21 +553,22 @@ public class SequenceStyleGenerator
 	 * @return sequence increment value
 	 */
 	private Number getSequenceIncrementValue(JdbcEnvironment jdbcEnvironment, String sequenceName) {
-		return jdbcEnvironment.getExtractedDatabaseMetaData().getSequenceInformationList()
+		for ( SequenceInformation information :
-				.stream()
+				jdbcEnvironment.getExtractedDatabaseMetaData().getSequenceInformationList() ) {
-				.filter(
+			final QualifiedSequenceName name = information.getSequenceName();
-					sequenceInformation -> {
+			if ( sequenceName.equalsIgnoreCase( name.getSequenceName().getText() )
-						QualifiedSequenceName name = sequenceInformation.getSequenceName();
+					&& isDefaultSchema( jdbcEnvironment, name.getCatalogName(), name.getSchemaName() ) ) {
-						Identifier catalog = name.getCatalogName();
+				final Number incrementValue = information.getIncrementValue();
-						Identifier schema = name.getSchemaName();
+				if ( incrementValue != null ) {
-						return sequenceName.equalsIgnoreCase( name.getSequenceName().getText() )
+					return incrementValue;
-							&& ( catalog == null || catalog.equals( jdbcEnvironment.getCurrentCatalog() ) )
+				}
+			}
+		}
+		return null;
+	}
+
+	private static boolean isDefaultSchema(JdbcEnvironment jdbcEnvironment, Identifier catalog, Identifier schema) {
+		return ( catalog == null || catalog.equals( jdbcEnvironment.getCurrentCatalog() ) )
 			&& ( schema == null || schema.equals( jdbcEnvironment.getCurrentSchema() ) );
 	}
-				)
-				.map( SequenceInformation::getIncrementValue )
-				.filter( Objects::nonNull )
-				.findFirst()
-				.orElse( null );
-	}
 }

hibernate-core/src/main/java/org/hibernate/id/enhanced/TableGenerator.java

@@ -24,7 +24,6 @@ import org.hibernate.boot.model.relational.Namespace;
 import org.hibernate.boot.model.relational.QualifiedName;
 import org.hibernate.boot.model.relational.QualifiedNameParser;
 import org.hibernate.boot.model.relational.SqlStringGenerationContext;
-import org.hibernate.boot.registry.selector.spi.StrategySelector;
 import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.engine.config.spi.ConfigurationService;
 import org.hibernate.engine.config.spi.StandardConverters;
@@ -42,7 +41,6 @@ import org.hibernate.id.IdentifierGeneratorHelper;
 import org.hibernate.id.IntegralDataTypeHolder;
 import org.hibernate.id.PersistentIdentifierGenerator;
 import org.hibernate.internal.CoreMessageLogger;
-import org.hibernate.internal.util.StringHelper;
 import org.hibernate.jdbc.AbstractReturningWork;
 import org.hibernate.mapping.Column;
 import org.hibernate.mapping.PrimaryKey;
@@ -55,10 +53,11 @@ import org.hibernate.type.Type;
 import org.jboss.logging.Logger;
 
 import static java.util.Collections.singletonMap;
-import static org.hibernate.cfg.AvailableSettings.ID_DB_STRUCTURE_NAMING_STRATEGY;
+import static org.hibernate.id.IdentifierGeneratorHelper.getNamingStrategy;
 import static org.hibernate.id.enhanced.OptimizerFactory.determineImplicitOptimizerName;
-import static org.hibernate.internal.log.IncubationLogger.INCUBATION_LOGGER;
+import static org.hibernate.internal.util.StringHelper.isEmpty;
-import static org.hibernate.internal.util.NullnessHelper.coalesceSuppliedValues;
+import static org.hibernate.internal.util.StringHelper.isNotEmpty;
+import static org.hibernate.internal.util.StringHelper.qualify;
 import static org.hibernate.internal.util.config.ConfigurationHelper.getBoolean;
 import static org.hibernate.internal.util.config.ConfigurationHelper.getInt;
 import static org.hibernate.internal.util.config.ConfigurationHelper.getString;
@@ -382,53 +381,30 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 	 */
 	protected QualifiedName determineGeneratorTableName(Properties params, JdbcEnvironment jdbcEnvironment, ServiceRegistry serviceRegistry) {
 		final IdentifierHelper identifierHelper = jdbcEnvironment.getIdentifierHelper();
-
 		final Identifier catalog = identifierHelper.toIdentifier( getString( CATALOG, params ) );
 		final Identifier schema = identifierHelper.toIdentifier( getString( SCHEMA, params ) );
+		final String tableName = getString( TABLE_PARAM, params );
+		return tableName( params, serviceRegistry, tableName, catalog, schema, identifierHelper );
+	}
 
-		final String explicitTableName = getString( TABLE_PARAM, params );
+	private static QualifiedName tableName(
-		if ( StringHelper.isNotEmpty( explicitTableName ) ) {
+			Properties params,
-			if ( explicitTableName.contains( "." ) ) {
+			ServiceRegistry serviceRegistry,
-				return QualifiedNameParser.INSTANCE.parse( explicitTableName );
+			String explicitTableName,
+			Identifier catalog, Identifier schema,
+			IdentifierHelper identifierHelper) {
+		if ( isNotEmpty( explicitTableName ) ) {
+			return explicitTableName.contains(".")
+					? QualifiedNameParser.INSTANCE.parse( explicitTableName )
+					: new QualifiedNameParser.NameParts( catalog, schema,
+							identifierHelper.toIdentifier( explicitTableName ) );
 		}
 		else {
-				return new QualifiedNameParser.NameParts(
+			return getNamingStrategy( params, serviceRegistry )
-						catalog,
+					.determineTableName( catalog, schema, params, serviceRegistry );
-						schema,
-						identifierHelper.toIdentifier( explicitTableName )
-				);
 		}
 	}
 
-		final StrategySelector strategySelector = serviceRegistry.requireService( StrategySelector.class );
-
-		final String namingStrategySetting = coalesceSuppliedValues(
-				() -> {
-					final String localSetting = getString( ID_DB_STRUCTURE_NAMING_STRATEGY, params );
-					if ( localSetting != null ) {
-						INCUBATION_LOGGER.incubatingSetting( ID_DB_STRUCTURE_NAMING_STRATEGY );
-					}
-					return localSetting;
-				},
-				() -> {
-					final ConfigurationService configurationService = serviceRegistry.requireService( ConfigurationService.class );
-					final String globalSetting = getString( ID_DB_STRUCTURE_NAMING_STRATEGY, configurationService.getSettings() );
-					if ( globalSetting != null ) {
-						INCUBATION_LOGGER.incubatingSetting( ID_DB_STRUCTURE_NAMING_STRATEGY );
-					}
-					return globalSetting;
-				},
-				StandardNamingStrategy.class::getName
-		);
-
-		final ImplicitDatabaseObjectNamingStrategy namingStrategy = strategySelector.resolveStrategy(
-				ImplicitDatabaseObjectNamingStrategy.class,
-				namingStrategySetting
-		);
-
-		return namingStrategy.determineTableName( catalog, schema, params, serviceRegistry );
-	}
-
 	/**
 	 * Determine the name of the column used to indicate the segment for each
 	 * row.  This column acts as the primary key.
@@ -470,11 +446,8 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 	 * @return The name of the value column
 	 */
 	protected String determineSegmentValue(Properties params) {
-		String segmentValue = params.getProperty( SEGMENT_VALUE_PARAM );
+		final String segmentValue = params.getProperty( SEGMENT_VALUE_PARAM );
-		if ( StringHelper.isEmpty( segmentValue ) ) {
+		return isEmpty( segmentValue ) ? determineDefaultSegmentValue( params ) : segmentValue;
-			segmentValue = determineDefaultSegmentValue( params );
-		}
-		return segmentValue;
 	}
 
 	/**
@@ -514,9 +487,9 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 
 	protected String buildSelectQuery(String formattedPhysicalTableName, SqlStringGenerationContext context) {
 		final String alias = "tbl";
-		final String query = "select " + StringHelper.qualify( alias, valueColumnName )
+		final String query = "select " + qualify( alias, valueColumnName )
 				+ " from " + formattedPhysicalTableName + ' ' + alias
-				+ " where " + StringHelper.qualify( alias, segmentColumnName ) + "=?";
+				+ " where " + qualify( alias, segmentColumnName ) + "=?";
 		final LockOptions lockOptions = new LockOptions( LockMode.PESSIMISTIC_WRITE );
 		lockOptions.setAliasSpecificLockMode( alias, LockMode.PESSIMISTIC_WRITE );
 		final Map<String,String[]> updateTargetColumnsMap = singletonMap( alias, new String[] { valueColumnName } );
@@ -551,8 +524,8 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 
 	@Override
 	public Object generate(final SharedSessionContractImplementor session, final Object obj) {
-		final SqlStatementLogger statementLogger = session.
+		final SqlStatementLogger statementLogger =
-				getFactory().getJdbcServices()
+				session.getFactory().getJdbcServices()
 						.getSqlStatementLogger();
 		final SessionEventListenerManager statsCollector = session.getEventListenerManager();
 		return optimizer.generate(
@@ -591,13 +564,7 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 				selectPS.setString( 1, segmentValue );
 				final ResultSet selectRS = executeQuery( selectPS, listener, selectQuery, session );
 				if ( !selectRS.next() ) {
-					long initializationValue;
+					final long initializationValue = storeLastUsedValue ? initialValue - 1 : initialValue;
-					if ( storeLastUsedValue ) {
-						initializationValue = initialValue - 1;
-					}
-					else {
-						initializationValue = initialValue;
-					}
 					value.initialize( initializationValue );
 
 					try ( PreparedStatement statement = prepareStatement( connection, insertQuery, logger, listener, session ) ) {
@@ -608,13 +575,7 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 					}
 				}
 				else {
-					int defaultValue;
+					final int defaultValue = storeLastUsedValue ? 0 : 1;
-					if ( storeLastUsedValue ) {
-						defaultValue = 0;
-					}
-					else {
-						defaultValue = 1;
-					}
 					value.initialize( selectRS, defaultValue );
 				}
 				selectRS.close();
@@ -646,12 +607,7 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 		while ( rows == 0 );
 
 		accessCount++;
-		if ( storeLastUsedValue ) {
+		return storeLastUsedValue ? value.increment() : value;
-			return value.increment();
-		}
-		else {
-			return value;
-		}
 	}
 
 	private PreparedStatement prepareStatement(
@@ -662,13 +618,13 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 			SharedSessionContractImplementor session) throws SQLException {
 		logger.logStatement( sql, FormatStyle.BASIC.getFormatter() );
 		final EventManager eventManager = session.getEventManager();
-		final HibernateMonitoringEvent jdbcPreparedStatementCreation = eventManager.beginJdbcPreparedStatementCreationEvent();
+		final HibernateMonitoringEvent creationEvent = eventManager.beginJdbcPreparedStatementCreationEvent();
 		try {
 			listener.jdbcPrepareStatementStart();
 			return connection.prepareStatement( sql );
 		}
 		finally {
-			eventManager.completeJdbcPreparedStatementCreationEvent( jdbcPreparedStatementCreation, sql );
+			eventManager.completeJdbcPreparedStatementCreationEvent( creationEvent, sql );
 			listener.jdbcPrepareStatementEnd();
 		}
 	}
@@ -679,13 +635,13 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 			String sql,
 			SharedSessionContractImplementor session) throws SQLException {
 		final EventManager eventManager = session.getEventManager();
-		final HibernateMonitoringEvent jdbcPreparedStatementExecutionEvent = eventManager.beginJdbcPreparedStatementExecutionEvent();
+		final HibernateMonitoringEvent executionEvent = eventManager.beginJdbcPreparedStatementExecutionEvent();
 		try {
 			listener.jdbcExecuteStatementStart();
 			return ps.executeUpdate();
 		}
 		finally {
-			eventManager.completeJdbcPreparedStatementExecutionEvent( jdbcPreparedStatementExecutionEvent, sql );
+			eventManager.completeJdbcPreparedStatementExecutionEvent( executionEvent, sql );
 			listener.jdbcExecuteStatementEnd();
 		}
 	}
@@ -696,13 +652,13 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 			String sql,
 			SharedSessionContractImplementor session) throws SQLException {
 		final EventManager eventManager = session.getEventManager();
-		final HibernateMonitoringEvent jdbcPreparedStatementExecutionEvent = eventManager.beginJdbcPreparedStatementExecutionEvent();
+		final HibernateMonitoringEvent executionEvent = eventManager.beginJdbcPreparedStatementExecutionEvent();
 		try {
 			listener.jdbcExecuteStatementStart();
 			return ps.executeQuery();
 		}
 		finally {
-			eventManager.completeJdbcPreparedStatementExecutionEvent( jdbcPreparedStatementExecutionEvent, sql );
+			eventManager.completeJdbcPreparedStatementExecutionEvent( executionEvent, sql );
 			listener.jdbcExecuteStatementEnd();
 		}
 	}
@@ -720,7 +676,7 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 					qualifiedTableName.getObjectName(),
 					(identifier) -> new Table( contributor, namespace, identifier, false )
 			);
-			if ( StringHelper.isNotEmpty( options ) ) {
+			if ( isNotEmpty( options ) ) {
 				table.setOptions( options );
 			}
 
@@ -752,15 +708,15 @@ public class TableGenerator implements PersistentIdentifierGenerator {
 		}
 
 		// allow physical naming strategies a chance to kick in
-		this.physicalTableName = table.getQualifiedTableName();
+		physicalTableName = table.getQualifiedTableName();
 		table.addInitCommand( this::generateInsertInitCommand );
 	}
 
 	@Override
 	public void initialize(SqlStringGenerationContext context) {
-		String formattedPhysicalTableName = context.format( physicalTableName );
+		final String formattedPhysicalTableName = context.format( physicalTableName );
-		this.selectQuery = buildSelectQuery( formattedPhysicalTableName, context );
+		selectQuery = buildSelectQuery( formattedPhysicalTableName, context );
-		this.updateQuery = buildUpdateQuery( formattedPhysicalTableName, context );
+		updateQuery = buildUpdateQuery( formattedPhysicalTableName, context );
-		this.insertQuery = buildInsertQuery( formattedPhysicalTableName, context );
+		insertQuery = buildInsertQuery( formattedPhysicalTableName, context );
 	}
 }

hibernate-core/src/main/java/org/hibernate/id/enhanced/TableStructure.java

@@ -12,7 +12,6 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 
 import org.hibernate.AssertionFailure;
-import org.hibernate.LockMode;
 import org.hibernate.LockOptions;
 import org.hibernate.boot.model.naming.Identifier;
 import org.hibernate.boot.model.relational.Database;
@@ -21,7 +20,6 @@ import org.hibernate.boot.model.relational.Namespace;
 import org.hibernate.boot.model.relational.QualifiedName;
 import org.hibernate.boot.model.relational.SqlStringGenerationContext;
 import org.hibernate.dialect.Dialect;
-import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
 import org.hibernate.engine.jdbc.internal.FormatStyle;
 import org.hibernate.engine.jdbc.spi.SqlStatementLogger;
 import org.hibernate.engine.spi.SessionEventListenerManager;
@@ -30,7 +28,6 @@ import org.hibernate.event.spi.EventManager;
 import org.hibernate.event.spi.HibernateMonitoringEvent;
 import org.hibernate.id.ExportableColumn;
 import org.hibernate.id.IdentifierGenerationException;
-import org.hibernate.id.IdentifierGeneratorHelper;
 import org.hibernate.id.IntegralDataTypeHolder;
 import org.hibernate.internal.CoreMessageLogger;
 import org.hibernate.jdbc.AbstractReturningWork;
@@ -39,6 +36,9 @@ import org.hibernate.type.StandardBasicTypes;
 
 import org.jboss.logging.Logger;
 
+import static org.hibernate.LockMode.PESSIMISTIC_WRITE;
+import static org.hibernate.id.IdentifierGeneratorHelper.getIntegralDataTypeHolder;
+
 /**
  * Describes a table used to mimic sequence behavior
  *
@@ -54,10 +54,10 @@ public class TableStructure implements DatabaseStructure {
 	private final Identifier logicalValueColumnNameIdentifier;
 	private final int initialValue;
 	private final int incrementSize;
-	private final Class numberType;
+	private final Class<?> numberType;
 	private final String options;
 
-	private String contributor;
+	private final String contributor;
 
 	private QualifiedName physicalTableName;
 	private String valueColumnNameText;
@@ -70,15 +70,13 @@ public class TableStructure implements DatabaseStructure {
 
 
 	public TableStructure(
-			JdbcEnvironment jdbcEnvironment,
 			String contributor,
 			QualifiedName qualifiedTableName,
 			Identifier valueColumnNameIdentifier,
 			int initialValue,
 			int incrementSize,
-			Class numberType) {
+			Class<?> numberType) {
 		this(
-				jdbcEnvironment,
 				contributor,
 				qualifiedTableName,
 				valueColumnNameIdentifier,
@@ -90,14 +88,13 @@ public class TableStructure implements DatabaseStructure {
 	}
 
 	public TableStructure(
-			JdbcEnvironment jdbcEnvironment,
 			String contributor,
 			QualifiedName qualifiedTableName,
 			Identifier valueColumnNameIdentifier,
 			int initialValue,
 			int incrementSize,
 			String options,
-			Class numberType) {
+			Class<?> numberType) {
 		this.contributor = contributor;
 		this.logicalQualifiedTableName = qualifiedTableName;
 		this.logicalValueColumnNameIdentifier = valueColumnNameIdentifier;
@@ -128,35 +125,36 @@ public class TableStructure implements DatabaseStructure {
 		return accessCounter;
 	}
 
-	@Override
+	@Override @Deprecated
 	public String[] getAllSqlForTests() {
 		return new String[] { selectQuery, updateQuery };
 	}
 
-	@Override
+	@Override @Deprecated
 	public void prepare(Optimizer optimizer) {
 		applyIncrementSizeToSourceValues = optimizer.applyIncrementSizeToSourceValues();
 	}
 
 	private IntegralDataTypeHolder makeValue() {
-		return IdentifierGeneratorHelper.getIntegralDataTypeHolder( numberType );
+		return getIntegralDataTypeHolder( numberType );
 	}
 
 	@Override
 	public AccessCallback buildCallback(final SharedSessionContractImplementor session) {
-		final SqlStatementLogger statementLogger = session.getFactory().getJdbcServices()
-				.getSqlStatementLogger();
 		if ( selectQuery == null || updateQuery == null ) {
 			throw new AssertionFailure( "SequenceStyleGenerator's TableStructure was not properly initialized" );
 		}
 
 		final SessionEventListenerManager statsCollector = session.getEventListenerManager();
+		final SqlStatementLogger statementLogger =
+				session.getFactory().getJdbcServices()
+						.getSqlStatementLogger();
 
 		return new AccessCallback() {
 			@Override
 			public IntegralDataTypeHolder getNextValue() {
 				return session.getTransactionCoordinator().createIsolationDelegate().delegateWork(
-						new AbstractReturningWork<IntegralDataTypeHolder>() {
+						new AbstractReturningWork<>() {
 							@Override
 							public IntegralDataTypeHolder execute(Connection connection) throws SQLException {
 								final IntegralDataTypeHolder value = makeValue();
@@ -227,18 +225,18 @@ public class TableStructure implements DatabaseStructure {
 	private PreparedStatement prepareStatement(
 			Connection connection,
 			String sql,
-			SqlStatementLogger statementLogger,
+			SqlStatementLogger logger,
 			SessionEventListenerManager statsCollector,
 			SharedSessionContractImplementor session) throws SQLException {
-		statementLogger.logStatement( sql, FormatStyle.BASIC.getFormatter() );
+		logger.logStatement( sql, FormatStyle.BASIC.getFormatter() );
 		final EventManager eventManager = session.getEventManager();
-		final HibernateMonitoringEvent jdbcPreparedStatementCreation = eventManager.beginJdbcPreparedStatementCreationEvent();
+		final HibernateMonitoringEvent creationEvent = eventManager.beginJdbcPreparedStatementCreationEvent();
 		try {
 			statsCollector.jdbcPrepareStatementStart();
 			return connection.prepareStatement( sql );
 		}
 		finally {
-			eventManager.completeJdbcPreparedStatementCreationEvent( jdbcPreparedStatementCreation, sql );
+			eventManager.completeJdbcPreparedStatementCreationEvent( creationEvent, sql );
 			statsCollector.jdbcPrepareStatementEnd();
 		}
 	}
@@ -249,13 +247,13 @@ public class TableStructure implements DatabaseStructure {
 			String sql,
 			SharedSessionContractImplementor session) throws SQLException {
 		final EventManager eventManager = session.getEventManager();
-		final HibernateMonitoringEvent jdbcPreparedStatementExecutionEvent = eventManager.beginJdbcPreparedStatementExecutionEvent();
+		final HibernateMonitoringEvent executionEvent = eventManager.beginJdbcPreparedStatementExecutionEvent();
 		try {
 			statsCollector.jdbcExecuteStatementStart();
 			return ps.executeUpdate();
 		}
 		finally {
-			eventManager.completeJdbcPreparedStatementExecutionEvent( jdbcPreparedStatementExecutionEvent, sql );
+			eventManager.completeJdbcPreparedStatementExecutionEvent( executionEvent, sql );
 			statsCollector.jdbcExecuteStatementEnd();
 		}
 
@@ -267,13 +265,13 @@ public class TableStructure implements DatabaseStructure {
 			String sql,
 			SharedSessionContractImplementor session) throws SQLException {
 		final EventManager eventManager = session.getEventManager();
-		final HibernateMonitoringEvent jdbcPreparedStatementExecutionEvent = eventManager.beginJdbcPreparedStatementExecutionEvent();
+		final HibernateMonitoringEvent executionEvent = eventManager.beginJdbcPreparedStatementExecutionEvent();
 		try {
 			statsCollector.jdbcExecuteStatementStart();
 			return ps.executeQuery();
 		}
 		finally {
-			eventManager.completeJdbcPreparedStatementExecutionEvent( jdbcPreparedStatementExecutionEvent, sql );
+			eventManager.completeJdbcPreparedStatementExecutionEvent( executionEvent, sql );
 			statsCollector.jdbcExecuteStatementEnd();
 		}
 	}
@@ -285,8 +283,6 @@ public class TableStructure implements DatabaseStructure {
 
 	@Override
 	public void registerExportables(Database database) {
-		final JdbcEnvironment jdbcEnvironment = database.getJdbcEnvironment();
-		final Dialect dialect = jdbcEnvironment.getDialect();
 
 		final Namespace namespace = database.locateNamespace(
 				logicalQualifiedTableName.getCatalogName(),
@@ -294,7 +290,7 @@ public class TableStructure implements DatabaseStructure {
 		);
 
 		Table table = namespace.locateTable( logicalQualifiedTableName.getObjectName() );
-		boolean tableCreated = false;
+		final boolean tableCreated;
 		if ( table == null ) {
 			table = namespace.createTable(
 					logicalQualifiedTableName.getObjectName(),
@@ -302,11 +298,14 @@ public class TableStructure implements DatabaseStructure {
 			);
 			tableCreated = true;
 		}
-		this.physicalTableName = table.getQualifiedTableName();
+		else {
+			tableCreated = false;
+		}
+		physicalTableName = table.getQualifiedTableName();
 
-		valueColumnNameText = logicalValueColumnNameIdentifier.render( dialect );
+		valueColumnNameText = logicalValueColumnNameIdentifier.render( database.getJdbcEnvironment().getDialect() );
 		if ( tableCreated ) {
-			ExportableColumn valueColumn = new ExportableColumn(
+			final ExportableColumn valueColumn = new ExportableColumn(
 					database,
 					table,
 					valueColumnNameText,
@@ -324,15 +323,15 @@ public class TableStructure implements DatabaseStructure {
 
 	@Override
 	public void initialize(SqlStringGenerationContext context) {
-		Dialect dialect = context.getDialect();
+		final Dialect dialect = context.getDialect();
+		final String formattedPhysicalTableName = context.format( physicalTableName );
+		final String lockedTable =
+				dialect.appendLockHint( new LockOptions( PESSIMISTIC_WRITE ), formattedPhysicalTableName )
+						+ dialect.getForUpdateString();
+		selectQuery = "select " + valueColumnNameText + " as id_val" +
+				" from " + lockedTable ;
 
-		String formattedPhysicalTableName = context.format( physicalTableName );
+		updateQuery = "update " + formattedPhysicalTableName +
-
-		this.selectQuery = "select " + valueColumnNameText + " as id_val" +
-				" from " + dialect.appendLockHint( new LockOptions( LockMode.PESSIMISTIC_WRITE ), formattedPhysicalTableName ) +
-				dialect.getForUpdateString();
-
-		this.updateQuery = "update " + formattedPhysicalTableName +
 				" set " + valueColumnNameText + "= ?" +
 				" where " + valueColumnNameText + "=?";
 	}

hibernate-core/src/main/java/org/hibernate/query/sqm/mutation/internal/cte/CteInsertHandler.java

@@ -50,6 +50,7 @@ import org.hibernate.query.sqm.tree.domain.SqmPath;
 import org.hibernate.query.sqm.tree.expression.SqmExpression;
 import org.hibernate.query.sqm.tree.expression.SqmParameter;
 import org.hibernate.query.sqm.tree.expression.SqmStar;
+import org.hibernate.query.sqm.tree.from.SqmRoot;
 import org.hibernate.query.sqm.tree.insert.SqmConflictClause;
 import org.hibernate.query.sqm.tree.insert.SqmInsertSelectStatement;
 import org.hibernate.query.sqm.tree.insert.SqmInsertStatement;
@@ -107,7 +108,6 @@ import org.hibernate.sql.results.internal.SqlSelectionImpl;
 import org.hibernate.sql.results.spi.ListResultsConsumer;
 import org.hibernate.generator.Generator;
 import org.hibernate.type.BasicType;
-import org.hibernate.type.spi.TypeConfiguration;
 
 /**
  *
@@ -172,18 +172,16 @@ public class CteInsertHandler implements InsertHandler {
 		final SqmInsertStatement<?> sqmInsertStatement = getSqmStatement();
 		final SessionFactoryImplementor factory = executionContext.getSession().getFactory();
 		final EntityPersister entityDescriptor = getEntityDescriptor().getEntityPersister();
-		final String explicitDmlTargetAlias;
+		final SqmRoot<?> target = sqmInsertStatement.getTarget();
-		if ( sqmInsertStatement.getTarget().getExplicitAlias() == null ) {
+		final String explicitDmlTargetAlias =
-			explicitDmlTargetAlias = "dml_target";
+				target.getExplicitAlias() == null
-		}
+						? "dml_target"
-		else {
+						: target.getExplicitAlias();
-			explicitDmlTargetAlias = sqmInsertStatement.getTarget().getExplicitAlias();
-		}
 
 		final MultiTableSqmMutationConverter sqmConverter = new MultiTableSqmMutationConverter(
 				entityDescriptor,
 				sqmInsertStatement,
-				sqmInsertStatement.getTarget(),
+				target,
 				explicitDmlTargetAlias,
 				domainParameterXref,
 				executionContext.getQueryOptions(),
@@ -383,8 +381,10 @@ public class CteInsertHandler implements InsertHandler {
 								rowNumberColumnReference
 						)
 				);
-				final String fragment = ( (BulkInsertionCapableIdentifierGenerator) entityDescriptor.getGenerator() )
+				final BulkInsertionCapableIdentifierGenerator generator =
-						.determineBulkInsertionIdentifierGenerationSelectFragment(
+						(BulkInsertionCapableIdentifierGenerator) entityDescriptor.getGenerator();
+				final String fragment =
+						generator.determineBulkInsertionIdentifierGenerationSelectFragment(
 								sessionFactory.getSqlStringGenerationContext()
 						);
 				rowsWithSequenceQuery.getSelectClause().addSqlSelection(

hibernate-core/src/test/java/org/hibernate/orm/test/schemaupdate/SchemaUpdateTableBackedSequenceTest.java

@@ -6,7 +6,6 @@
  */
 package org.hibernate.orm.test.schemaupdate;
 
-import java.sql.SQLException;
 import java.util.Collections;
 import java.util.EnumSet;
 import java.util.Map;
@@ -63,13 +62,12 @@ public class SchemaUpdateTableBackedSequenceTest extends BaseUnitTestCase {
 	}
 
 	@Test
-	public void testCreateTableOnUpdate() throws SQLException {
+	public void testCreateTableOnUpdate() {
 		Metadata metadata = new MetadataSources( ssr ).buildMetadata();
 
 		Database database = metadata.getDatabase();
 
 		TableStructure tableStructure = new TableStructure(
-				database.getJdbcEnvironment(),
 				"orm",
 				new QualifiedTableName( null, null, Identifier.toIdentifier( "test_seq" ) ),
 				Identifier.toIdentifier( "nextval" ),
@@ -79,7 +77,7 @@ public class SchemaUpdateTableBackedSequenceTest extends BaseUnitTestCase {
 		);
 		tableStructure.registerExportables( database );
 
-		// lets make sure the InitCommand is there
+		// let's make sure the InitCommand is there
 		assertEquals( 1, database.getDefaultNamespace().getTables().size() );
 		Table table = database.getDefaultNamespace().getTables().iterator().next();
 		SqlStringGenerationContext context = SqlStringGenerationContextImpl.forTests( database.getJdbcEnvironment(), null, null );

hibernate-envers/src/main/java/org/hibernate/envers/enhanced/OrderedSequenceStructure.java

@@ -42,7 +42,7 @@ public class OrderedSequenceStructure extends SequenceStructure {
 			int incrementSize,
 			boolean noCache,
 			Class<?> numberType) {
-		super( jdbcEnvironment, "envers", qualifiedSequenceName, initialValue, incrementSize, numberType );
+		super( "envers", qualifiedSequenceName, initialValue, incrementSize, numberType );
 		this.sequenceObject = new OrderedSequence();
 		final Dialect dialect = DialectDelegateWrapper.extractRealDialect( jdbcEnvironment.getDialect() );
 		if ( dialect instanceof OracleDialect ) {

hibernate-envers/src/test/java/org/hibernate/orm/test/envers/various/ExportIdentifierTest.java

@@ -17,7 +17,6 @@ import org.hibernate.boot.model.relational.Namespace;
 import org.hibernate.boot.model.relational.QualifiedNameImpl;
 import org.hibernate.boot.registry.StandardServiceRegistry;
 import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
-import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
 import org.hibernate.id.enhanced.SequenceStructure;
 import org.hibernate.testing.DialectChecks;
 import org.hibernate.testing.RequiresDialectFeature;
@@ -52,7 +51,6 @@ public class ExportIdentifierTest extends BaseUnitTestCase {
 			int namespaceSize = 0;
 			for ( Namespace namespace : database.getNamespaces() ) {
 				final SequenceStructure sequenceStructure = new SequenceStructure(
-						ssr.getService( JdbcEnvironment.class ),
 						"envers",
 						new QualifiedNameImpl(
 								namespace.getName(),