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org.hibernate.cfg.SettingsFactory Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.cfg;
import java.io.Serializable;
import java.util.Map;
import java.util.Properties;
import org.hibernate.ConnectionReleaseMode;
import org.hibernate.EntityMode;
import org.hibernate.HibernateException;
import org.hibernate.MultiTenancyStrategy;
import org.hibernate.NullPrecedence;
import org.hibernate.cache.internal.NoCachingRegionFactory;
import org.hibernate.cache.internal.RegionFactoryInitiator;
import org.hibernate.cache.internal.StandardQueryCacheFactory;
import org.hibernate.cache.spi.QueryCacheFactory;
import org.hibernate.cache.spi.RegionFactory;
import org.hibernate.dialect.Dialect;
import org.hibernate.engine.jdbc.spi.ExtractedDatabaseMetaData;
import org.hibernate.engine.jdbc.spi.JdbcServices;
import org.hibernate.engine.transaction.spi.TransactionFactory;
import org.hibernate.hql.spi.MultiTableBulkIdStrategy;
import org.hibernate.hql.spi.PersistentTableBulkIdStrategy;
import org.hibernate.hql.spi.QueryTranslatorFactory;
import org.hibernate.hql.spi.TemporaryTableBulkIdStrategy;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.internal.util.config.ConfigurationHelper;
import org.hibernate.loader.BatchFetchStyle;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.classloading.spi.ClassLoaderService;
import org.hibernate.service.jdbc.connections.spi.ConnectionProvider;
import org.hibernate.service.jdbc.connections.spi.MultiTenantConnectionProvider;
import org.hibernate.service.jta.platform.spi.JtaPlatform;
import org.hibernate.tuple.entity.EntityTuplizerFactory;
import org.jboss.logging.Logger;
/**
* Reads configuration properties and builds a {@link Settings} instance.
*
* @author Gavin King
*/
public class SettingsFactory implements Serializable {
private static final long serialVersionUID = -1194386144994524825L;
private static final CoreMessageLogger LOG = Logger.getMessageLogger(CoreMessageLogger.class, SettingsFactory.class.getName());
public static final String DEF_CACHE_REG_FACTORY = NoCachingRegionFactory.class.getName();
public SettingsFactory() {
}
public Settings buildSettings(Properties props, ServiceRegistry serviceRegistry) {
final boolean debugEnabled = LOG.isDebugEnabled();
final JdbcServices jdbcServices = serviceRegistry.getService( JdbcServices.class );
Settings settings = new Settings();
//SessionFactory name:
String sessionFactoryName = props.getProperty( AvailableSettings.SESSION_FACTORY_NAME );
settings.setSessionFactoryName( sessionFactoryName );
settings.setSessionFactoryNameAlsoJndiName(
ConfigurationHelper.getBoolean( AvailableSettings.SESSION_FACTORY_NAME_IS_JNDI, props, true )
);
//JDBC and connection settings:
//Interrogate JDBC metadata
ExtractedDatabaseMetaData meta = jdbcServices.getExtractedMetaDataSupport();
settings.setDataDefinitionImplicitCommit( meta.doesDataDefinitionCauseTransactionCommit() );
settings.setDataDefinitionInTransactionSupported( meta.supportsDataDefinitionInTransaction() );
//use dialect default properties
final Properties properties = new Properties();
properties.putAll( jdbcServices.getDialect().getDefaultProperties() );
properties.putAll( props );
// Transaction settings:
settings.setJtaPlatform( serviceRegistry.getService( JtaPlatform.class ) );
final MultiTableBulkIdStrategy multiTableBulkIdStrategy = getMultiTableBulkIdStrategy(
properties,
jdbcServices.getDialect(),
serviceRegistry.getService( ClassLoaderService.class )
);
settings.setMultiTableBulkIdStrategy( multiTableBulkIdStrategy );
boolean flushBeforeCompletion = ConfigurationHelper.getBoolean(AvailableSettings.FLUSH_BEFORE_COMPLETION, properties);
if ( debugEnabled ) {
LOG.debugf( "Automatic flush during beforeCompletion(): %s", enabledDisabled(flushBeforeCompletion) );
}
settings.setFlushBeforeCompletionEnabled(flushBeforeCompletion);
boolean autoCloseSession = ConfigurationHelper.getBoolean(AvailableSettings.AUTO_CLOSE_SESSION, properties);
if ( debugEnabled ) {
LOG.debugf( "Automatic session close at end of transaction: %s", enabledDisabled(autoCloseSession) );
}
settings.setAutoCloseSessionEnabled(autoCloseSession);
//JDBC and connection settings:
int batchSize = ConfigurationHelper.getInt(AvailableSettings.STATEMENT_BATCH_SIZE, properties, 0);
if ( !meta.supportsBatchUpdates() ) {
batchSize = 0;
}
if ( batchSize > 0 && debugEnabled ) {
LOG.debugf( "JDBC batch size: %s", batchSize );
}
settings.setJdbcBatchSize(batchSize);
boolean jdbcBatchVersionedData = ConfigurationHelper.getBoolean(AvailableSettings.BATCH_VERSIONED_DATA, properties, false);
if ( batchSize > 0 && debugEnabled ) {
LOG.debugf( "JDBC batch updates for versioned data: %s", enabledDisabled(jdbcBatchVersionedData) );
}
settings.setJdbcBatchVersionedData(jdbcBatchVersionedData);
boolean useScrollableResultSets = ConfigurationHelper.getBoolean(
AvailableSettings.USE_SCROLLABLE_RESULTSET,
properties,
meta.supportsScrollableResults()
);
if ( debugEnabled ) {
LOG.debugf( "Scrollable result sets: %s", enabledDisabled(useScrollableResultSets) );
}
settings.setScrollableResultSetsEnabled(useScrollableResultSets);
boolean wrapResultSets = ConfigurationHelper.getBoolean(AvailableSettings.WRAP_RESULT_SETS, properties, false);
if ( debugEnabled ) {
LOG.debugf( "Wrap result sets: %s", enabledDisabled(wrapResultSets) );
}
settings.setWrapResultSetsEnabled(wrapResultSets);
boolean useGetGeneratedKeys = ConfigurationHelper.getBoolean(AvailableSettings.USE_GET_GENERATED_KEYS, properties, meta.supportsGetGeneratedKeys());
if ( debugEnabled ) {
LOG.debugf( "JDBC3 getGeneratedKeys(): %s", enabledDisabled(useGetGeneratedKeys) );
}
settings.setGetGeneratedKeysEnabled(useGetGeneratedKeys);
Integer statementFetchSize = ConfigurationHelper.getInteger(AvailableSettings.STATEMENT_FETCH_SIZE, properties);
if ( statementFetchSize != null && debugEnabled ) {
LOG.debugf( "JDBC result set fetch size: %s", statementFetchSize );
}
settings.setJdbcFetchSize(statementFetchSize);
MultiTenancyStrategy multiTenancyStrategy = MultiTenancyStrategy.determineMultiTenancyStrategy( properties );
if ( debugEnabled ) {
LOG.debugf( "multi-tenancy strategy : %s", multiTenancyStrategy );
}
settings.setMultiTenancyStrategy( multiTenancyStrategy );
String releaseModeName = ConfigurationHelper.getString( AvailableSettings.RELEASE_CONNECTIONS, properties, "auto" );
if ( debugEnabled ) {
LOG.debugf( "Connection release mode: %s", releaseModeName );
}
ConnectionReleaseMode releaseMode;
if ( "auto".equals(releaseModeName) ) {
releaseMode = serviceRegistry.getService( TransactionFactory.class ).getDefaultReleaseMode();
}
else {
releaseMode = ConnectionReleaseMode.parse( releaseModeName );
if ( releaseMode == ConnectionReleaseMode.AFTER_STATEMENT ) {
// we need to make sure the underlying JDBC connection access supports aggressive release...
boolean supportsAgrressiveRelease = multiTenancyStrategy.requiresMultiTenantConnectionProvider()
? serviceRegistry.getService( MultiTenantConnectionProvider.class ).supportsAggressiveRelease()
: serviceRegistry.getService( ConnectionProvider.class ).supportsAggressiveRelease();
if ( ! supportsAgrressiveRelease ) {
LOG.unsupportedAfterStatement();
releaseMode = ConnectionReleaseMode.AFTER_TRANSACTION;
}
}
}
settings.setConnectionReleaseMode( releaseMode );
final BatchFetchStyle batchFetchStyle = BatchFetchStyle.interpret( properties.get( AvailableSettings.BATCH_FETCH_STYLE ) );
LOG.debugf( "Using BatchFetchStyle : " + batchFetchStyle.name() );
settings.setBatchFetchStyle( batchFetchStyle );
//SQL Generation settings:
String defaultSchema = properties.getProperty( AvailableSettings.DEFAULT_SCHEMA );
String defaultCatalog = properties.getProperty( AvailableSettings.DEFAULT_CATALOG );
if ( defaultSchema != null && debugEnabled ) {
LOG.debugf( "Default schema: %s", defaultSchema );
}
if ( defaultCatalog != null && debugEnabled ) {
LOG.debugf( "Default catalog: %s", defaultCatalog );
}
settings.setDefaultSchemaName( defaultSchema );
settings.setDefaultCatalogName( defaultCatalog );
Integer maxFetchDepth = ConfigurationHelper.getInteger( AvailableSettings.MAX_FETCH_DEPTH, properties );
if ( maxFetchDepth != null ) {
LOG.debugf( "Maximum outer join fetch depth: %s", maxFetchDepth );
}
settings.setMaximumFetchDepth( maxFetchDepth );
int batchFetchSize = ConfigurationHelper.getInt(AvailableSettings.DEFAULT_BATCH_FETCH_SIZE, properties, 1);
if ( debugEnabled ) {
LOG.debugf( "Default batch fetch size: %s", batchFetchSize );
}
settings.setDefaultBatchFetchSize( batchFetchSize );
boolean comments = ConfigurationHelper.getBoolean( AvailableSettings.USE_SQL_COMMENTS, properties );
if ( debugEnabled ) {
LOG.debugf( "Generate SQL with comments: %s", enabledDisabled(comments) );
}
settings.setCommentsEnabled( comments );
boolean orderUpdates = ConfigurationHelper.getBoolean( AvailableSettings.ORDER_UPDATES, properties );
if ( debugEnabled ) {
LOG.debugf( "Order SQL updates by primary key: %s", enabledDisabled(orderUpdates) );
}
settings.setOrderUpdatesEnabled( orderUpdates );
boolean orderInserts = ConfigurationHelper.getBoolean(AvailableSettings.ORDER_INSERTS, properties);
if ( debugEnabled ) {
LOG.debugf( "Order SQL inserts for batching: %s", enabledDisabled(orderInserts) );
}
settings.setOrderInsertsEnabled( orderInserts );
String defaultNullPrecedence = ConfigurationHelper.getString(
AvailableSettings.DEFAULT_NULL_ORDERING, properties, "none", "first", "last"
);
if ( debugEnabled ) {
LOG.debugf( "Default null ordering: %s", defaultNullPrecedence );
}
settings.setDefaultNullPrecedence( NullPrecedence.parse( defaultNullPrecedence ) );
//Query parser settings:
settings.setQueryTranslatorFactory( createQueryTranslatorFactory( properties, serviceRegistry ) );
Map querySubstitutions = ConfigurationHelper.toMap( AvailableSettings.QUERY_SUBSTITUTIONS, " ,=;:\n\t\r\f", properties );
if ( debugEnabled ) {
LOG.debugf( "Query language substitutions: %s", querySubstitutions );
}
settings.setQuerySubstitutions( querySubstitutions );
boolean jpaqlCompliance = ConfigurationHelper.getBoolean( AvailableSettings.JPAQL_STRICT_COMPLIANCE, properties, false );
if ( debugEnabled ) {
LOG.debugf( "JPA-QL strict compliance: %s", enabledDisabled(jpaqlCompliance) );
}
settings.setStrictJPAQLCompliance( jpaqlCompliance );
// Second-level / query cache:
boolean useSecondLevelCache = ConfigurationHelper.getBoolean( AvailableSettings.USE_SECOND_LEVEL_CACHE, properties, true );
if ( debugEnabled ) {
LOG.debugf( "Second-level cache: %s", enabledDisabled(useSecondLevelCache) );
}
settings.setSecondLevelCacheEnabled( useSecondLevelCache );
boolean useQueryCache = ConfigurationHelper.getBoolean(AvailableSettings.USE_QUERY_CACHE, properties);
if ( debugEnabled ) {
LOG.debugf( "Query cache: %s", enabledDisabled(useQueryCache) );
}
settings.setQueryCacheEnabled( useQueryCache );
if (useQueryCache) {
settings.setQueryCacheFactory( createQueryCacheFactory( properties, serviceRegistry ) );
}
// The cache provider is needed when we either have second-level cache enabled
// or query cache enabled. Note that useSecondLevelCache is enabled by default
settings.setRegionFactory( createRegionFactory( properties, ( useSecondLevelCache || useQueryCache ), serviceRegistry ) );
boolean useMinimalPuts = ConfigurationHelper.getBoolean(
AvailableSettings.USE_MINIMAL_PUTS, properties, settings.getRegionFactory().isMinimalPutsEnabledByDefault()
);
if ( debugEnabled ) {
LOG.debugf( "Optimize cache for minimal puts: %s", enabledDisabled(useMinimalPuts) );
}
settings.setMinimalPutsEnabled( useMinimalPuts );
String prefix = properties.getProperty( AvailableSettings.CACHE_REGION_PREFIX );
if ( StringHelper.isEmpty(prefix) ) {
prefix=null;
}
if ( prefix != null && debugEnabled ) {
LOG.debugf( "Cache region prefix: %s", prefix );
}
settings.setCacheRegionPrefix( prefix );
boolean useStructuredCacheEntries = ConfigurationHelper.getBoolean( AvailableSettings.USE_STRUCTURED_CACHE, properties, false );
if ( debugEnabled ) {
LOG.debugf( "Structured second-level cache entries: %s", enabledDisabled(useStructuredCacheEntries) );
}
settings.setStructuredCacheEntriesEnabled( useStructuredCacheEntries );
boolean useDirectReferenceCacheEntries = ConfigurationHelper.getBoolean(
AvailableSettings.USE_DIRECT_REFERENCE_CACHE_ENTRIES,
properties,
false
);
if ( debugEnabled ) {
LOG.debugf( "Second-level cache direct-reference entries: %s", enabledDisabled(useDirectReferenceCacheEntries) );
}
settings.setDirectReferenceCacheEntriesEnabled( useDirectReferenceCacheEntries );
//Statistics and logging:
boolean useStatistics = ConfigurationHelper.getBoolean( AvailableSettings.GENERATE_STATISTICS, properties );
if ( debugEnabled ) {
LOG.debugf( "Statistics: %s", enabledDisabled(useStatistics) );
}
settings.setStatisticsEnabled( useStatistics );
boolean useIdentifierRollback = ConfigurationHelper.getBoolean( AvailableSettings.USE_IDENTIFIER_ROLLBACK, properties );
if ( debugEnabled ) {
LOG.debugf( "Deleted entity synthetic identifier rollback: %s", enabledDisabled(useIdentifierRollback) );
}
settings.setIdentifierRollbackEnabled( useIdentifierRollback );
//Schema export:
String autoSchemaExport = properties.getProperty( AvailableSettings.HBM2DDL_AUTO );
if ( "validate".equals(autoSchemaExport) ) {
settings.setAutoValidateSchema( true );
}
if ( "update".equals(autoSchemaExport) ) {
settings.setAutoUpdateSchema( true );
}
if ( "create".equals(autoSchemaExport) ) {
settings.setAutoCreateSchema( true );
}
if ( "create-drop".equals( autoSchemaExport ) ) {
settings.setAutoCreateSchema( true );
settings.setAutoDropSchema( true );
}
settings.setImportFiles( properties.getProperty( AvailableSettings.HBM2DDL_IMPORT_FILES ) );
EntityMode defaultEntityMode = EntityMode.parse( properties.getProperty( AvailableSettings.DEFAULT_ENTITY_MODE ) );
if ( debugEnabled ) {
LOG.debugf( "Default entity-mode: %s", defaultEntityMode );
}
settings.setDefaultEntityMode( defaultEntityMode );
boolean namedQueryChecking = ConfigurationHelper.getBoolean( AvailableSettings.QUERY_STARTUP_CHECKING, properties, true );
if ( debugEnabled ) {
LOG.debugf( "Named query checking : %s", enabledDisabled(namedQueryChecking) );
}
settings.setNamedQueryStartupCheckingEnabled( namedQueryChecking );
boolean checkNullability = ConfigurationHelper.getBoolean(AvailableSettings.CHECK_NULLABILITY, properties, true);
if ( debugEnabled ) {
LOG.debugf( "Check Nullability in Core (should be disabled when Bean Validation is on): %s", enabledDisabled(checkNullability) );
}
settings.setCheckNullability(checkNullability);
// TODO: Does EntityTuplizerFactory really need to be configurable? revisit for HHH-6383
settings.setEntityTuplizerFactory( new EntityTuplizerFactory() );
// String provider = properties.getProperty( AvailableSettings.BYTECODE_PROVIDER );
// log.info( "Bytecode provider name : " + provider );
// BytecodeProvider bytecodeProvider = buildBytecodeProvider( provider );
// settings.setBytecodeProvider( bytecodeProvider );
boolean initializeLazyStateOutsideTransactionsEnabled = ConfigurationHelper.getBoolean(
AvailableSettings.ENABLE_LAZY_LOAD_NO_TRANS,
properties,
false
);
if ( debugEnabled ) {
LOG.debugf( "Allow initialization of lazy state outside session : : %s", enabledDisabled( initializeLazyStateOutsideTransactionsEnabled ) );
}
settings.setInitializeLazyStateOutsideTransactions( initializeLazyStateOutsideTransactionsEnabled );
boolean jtaTrackByThread = ConfigurationHelper.getBoolean(
AvailableSettings.JTA_TRACK_BY_THREAD,
properties,
true
);
if ( debugEnabled ) {
LOG.debugf( "JTA Track by Thread: %s", enabledDisabled(jtaTrackByThread) );
}
settings.setJtaTrackByThread( jtaTrackByThread );
return settings;
}
private MultiTableBulkIdStrategy getMultiTableBulkIdStrategy(
Properties properties,
Dialect dialect,
ClassLoaderService classLoaderService) {
final Object setting = properties.get( AvailableSettings.HQL_BULK_ID_STRATEGY );
if ( setting != null ) {
if ( MultiTableBulkIdStrategy.class.isInstance( setting ) ) {
return (MultiTableBulkIdStrategy) setting;
}
final Class strategyClass;
if ( Class.class.isInstance( setting ) ) {
strategyClass = (Class) setting;
}
else {
final String settingStr = setting.toString();
if ( PersistentTableBulkIdStrategy.SHORT_NAME.equals( settingStr ) ) {
return new PersistentTableBulkIdStrategy();
}
else if ( TemporaryTableBulkIdStrategy.SHORT_NAME.equals( settingStr ) ) {
return TemporaryTableBulkIdStrategy.INSTANCE;
}
strategyClass = classLoaderService.classForName( settingStr );
}
try {
return (MultiTableBulkIdStrategy) strategyClass.newInstance();
}
catch (Exception e) {
throw new HibernateException( "Unable to interpret MultiTableBulkIdStrategy setting [" + setting + "]", e );
}
}
else {
return dialect.supportsTemporaryTables()
? TemporaryTableBulkIdStrategy.INSTANCE
: new PersistentTableBulkIdStrategy();
}
}
// protected BytecodeProvider buildBytecodeProvider(String providerName) {
// if ( "javassist".equals( providerName ) ) {
// return new org.hibernate.bytecode.internal.javassist.BytecodeProviderImpl();
// }
// else {
// LOG.debug("Using javassist as bytecode provider by default");
// return new org.hibernate.bytecode.internal.javassist.BytecodeProviderImpl();
// }
// }
private static String enabledDisabled(boolean value) {
return value ? "enabled" : "disabled";
}
protected QueryCacheFactory createQueryCacheFactory(Properties properties, ServiceRegistry serviceRegistry) {
String queryCacheFactoryClassName = ConfigurationHelper.getString(
AvailableSettings.QUERY_CACHE_FACTORY, properties, StandardQueryCacheFactory.class.getName()
);
LOG.debugf( "Query cache factory: %s", queryCacheFactoryClassName );
try {
return (QueryCacheFactory) serviceRegistry.getService( ClassLoaderService.class )
.classForName( queryCacheFactoryClassName )
.newInstance();
}
catch (Exception e) {
throw new HibernateException( "could not instantiate QueryCacheFactory: " + queryCacheFactoryClassName, e );
}
}
private static RegionFactory createRegionFactory(Properties properties, boolean cachingEnabled, ServiceRegistry serviceRegistry) {
String regionFactoryClassName = RegionFactoryInitiator.mapLegacyNames(
ConfigurationHelper.getString(
AvailableSettings.CACHE_REGION_FACTORY, properties, null
)
);
if ( regionFactoryClassName == null || !cachingEnabled) {
regionFactoryClassName = DEF_CACHE_REG_FACTORY;
}
LOG.debugf( "Cache region factory : %s", regionFactoryClassName );
try {
try {
return (RegionFactory) serviceRegistry.getService( ClassLoaderService.class )
.classForName( regionFactoryClassName )
.getConstructor( Properties.class )
.newInstance( properties );
}
catch ( NoSuchMethodException e ) {
// no constructor accepting Properties found, try no arg constructor
LOG.debugf(
"%s did not provide constructor accepting java.util.Properties; attempting no-arg constructor.",
regionFactoryClassName
);
return (RegionFactory) serviceRegistry.getService( ClassLoaderService.class )
.classForName( regionFactoryClassName )
.newInstance();
}
}
catch ( Exception e ) {
throw new HibernateException( "could not instantiate RegionFactory [" + regionFactoryClassName + "]", e );
}
}
//todo remove this once we move to new metamodel
public static RegionFactory createRegionFactory(Properties properties, boolean cachingEnabled) {
// todo : REMOVE! THIS IS TOTALLY A TEMPORARY HACK FOR org.hibernate.cfg.AnnotationBinder which will be going away
String regionFactoryClassName = RegionFactoryInitiator.mapLegacyNames(
ConfigurationHelper.getString(
AvailableSettings.CACHE_REGION_FACTORY, properties, null
)
);
if ( regionFactoryClassName == null ) {
regionFactoryClassName = DEF_CACHE_REG_FACTORY;
}
LOG.debugf( "Cache region factory : %s", regionFactoryClassName );
try {
try {
return (RegionFactory) org.hibernate.internal.util.ReflectHelper.classForName( regionFactoryClassName )
.getConstructor( Properties.class )
.newInstance( properties );
}
catch ( NoSuchMethodException e ) {
// no constructor accepting Properties found, try no arg constructor
LOG.debugf(
"%s did not provide constructor accepting java.util.Properties; attempting no-arg constructor.",
regionFactoryClassName
);
return (RegionFactory) org.hibernate.internal.util.ReflectHelper.classForName( regionFactoryClassName )
.newInstance();
}
}
catch ( Exception e ) {
throw new HibernateException( "could not instantiate RegionFactory [" + regionFactoryClassName + "]", e );
}
}
protected QueryTranslatorFactory createQueryTranslatorFactory(Properties properties, ServiceRegistry serviceRegistry) {
String className = ConfigurationHelper.getString(
AvailableSettings.QUERY_TRANSLATOR, properties, "org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory"
);
LOG.debugf( "Query translator: %s", className );
try {
return (QueryTranslatorFactory) serviceRegistry.getService( ClassLoaderService.class )
.classForName( className )
.newInstance();
}
catch ( Exception e ) {
throw new HibernateException( "could not instantiate QueryTranslatorFactory: " + className, e );
}
}
}
