/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.orm.hibernate5;
import java.lang.reflect.Method;
import java.util.Map;
import javax.persistence.PersistenceException;
import javax.sql.DataSource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.FlushMode;
import org.hibernate.HibernateException;
import org.hibernate.JDBCException;
import org.hibernate.NonUniqueObjectException;
import org.hibernate.NonUniqueResultException;
import org.hibernate.ObjectDeletedException;
import org.hibernate.PersistentObjectException;
import org.hibernate.PessimisticLockException;
import org.hibernate.PropertyValueException;
import org.hibernate.QueryException;
import org.hibernate.QueryTimeoutException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.StaleObjectStateException;
import org.hibernate.StaleStateException;
import org.hibernate.TransientObjectException;
import org.hibernate.UnresolvableObjectException;
import org.hibernate.WrongClassException;
import org.hibernate.cfg.Environment;
import org.hibernate.dialect.lock.OptimisticEntityLockException;
import org.hibernate.dialect.lock.PessimisticEntityLockException;
import org.hibernate.engine.jdbc.connections.spi.ConnectionProvider;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.exception.ConstraintViolationException;
import org.hibernate.exception.DataException;
import org.hibernate.exception.JDBCConnectionException;
import org.hibernate.exception.LockAcquisitionException;
import org.hibernate.exception.SQLGrammarException;
import org.hibernate.service.UnknownServiceException;
import org.springframework.dao.CannotAcquireLockException;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.DataAccessResourceFailureException;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.dao.IncorrectResultSizeDataAccessException;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.dao.InvalidDataAccessResourceUsageException;
import org.springframework.dao.PessimisticLockingFailureException;
import org.springframework.jdbc.datasource.DataSourceUtils;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
/**
* Helper class featuring methods for Hibernate Session handling.
* Also provides support for exception translation.
*
* <p>Used internally by {@link HibernateTransactionManager}.
* Can also be used directly in application code.
*
* @author Juergen Hoeller
* @since 4.2
* @see HibernateExceptionTranslator
* @see HibernateTransactionManager
*/
public abstract class SessionFactoryUtils {
/**
* Order value for TransactionSynchronization objects that clean up Hibernate Sessions.
* Returns {@code DataSourceUtils.CONNECTION_SYNCHRONIZATION_ORDER - 100}
* to execute Session cleanup before JDBC Connection cleanup, if any.
* @see DataSourceUtils#CONNECTION_SYNCHRONIZATION_ORDER
*/
public static final int SESSION_SYNCHRONIZATION_ORDER =
DataSourceUtils.CONNECTION_SYNCHRONIZATION_ORDER - 100;
static final Log logger = LogFactory.getLog(SessionFactoryUtils.class);
private static Method getFlushMode;
static {
try {
// Hibernate 5.2+ getHibernateFlushMode()
getFlushMode = Session.class.getMethod("getHibernateFlushMode");
}
catch (NoSuchMethodException ex) {
try {
// Hibernate 5.0/5.1 getFlushMode() with FlushMode return type
getFlushMode = Session.class.getMethod("getFlushMode");
}
catch (NoSuchMethodException ex2) {
throw new IllegalStateException("No compatible Hibernate getFlushMode signature found", ex2);
}
}
// Check that it is the Hibernate FlushMode type, not JPA's...
Assert.state(FlushMode.class == getFlushMode.getReturnType(), "Could not find Hibernate getFlushMode method");
}
/**
* Get the native Hibernate FlushMode, adapting between Hibernate 5.0/5.1 and 5.2+.
* @param session the Hibernate Session to get the flush mode from
* @return the FlushMode (never {@code null})
* @since 4.3
*/
static FlushMode getFlushMode(Session session) {
return (FlushMode) ReflectionUtils.invokeMethod(getFlushMode, session);
}
/**
* Trigger a flush on the given Hibernate Session, converting regular
* {@link HibernateException} instances as well as Hibernate 5.2's
* {@link PersistenceException} wrappers accordingly.
* @param session the Hibernate Session to flush
* @param synch whether this flush is triggered by transaction synchronization
* @throws DataAccessException
* @since 4.3.2
*/
static void flush(Session session, boolean synch) throws DataAccessException {
if (synch) {
logger.debug("Flushing Hibernate Session on transaction synchronization");
}
else {
logger.debug("Flushing Hibernate Session on explicit request");
}
try {
session.flush();
}
catch (HibernateException ex) {
throw convertHibernateAccessException(ex);
}
catch (PersistenceException ex) {
if (ex.getCause() instanceof HibernateException) {
throw convertHibernateAccessException((HibernateException) ex.getCause());
}
throw ex;
}
}
/**
* Perform actual closing of the Hibernate Session,
* catching and logging any cleanup exceptions thrown.
* @param session the Hibernate Session to close (may be {@code null})
* @see Session#close()
*/
public static void closeSession(Session session) {
if (session != null) {
try {
session.close();
}
catch (HibernateException ex) {
logger.debug("Could not close Hibernate Session", ex);
}
catch (Throwable ex) {
logger.debug("Unexpected exception on closing Hibernate Session", ex);
}
}
}
/**
* Determine the DataSource of the given SessionFactory.
* @param sessionFactory the SessionFactory to check
* @return the DataSource, or {@code null} if none found
* @see ConnectionProvider
*/
public static DataSource getDataSource(SessionFactory sessionFactory) {
Method getProperties = ClassUtils.getMethodIfAvailable(sessionFactory.getClass(), "getProperties");
if (getProperties != null) {
Map<?, ?> props = (Map<?, ?>) ReflectionUtils.invokeMethod(getProperties, sessionFactory);
Object dataSourceValue = props.get(Environment.DATASOURCE);
if (dataSourceValue instanceof DataSource) {
return (DataSource) dataSourceValue;
}
}
if (sessionFactory instanceof SessionFactoryImplementor) {
SessionFactoryImplementor sfi = (SessionFactoryImplementor) sessionFactory;
try {
ConnectionProvider cp = sfi.getServiceRegistry().getService(ConnectionProvider.class);
if (cp != null) {
return cp.unwrap(DataSource.class);
}
}
catch (UnknownServiceException ex) {
if (logger.isDebugEnabled()) {
logger.debug("No ConnectionProvider found - cannot determine DataSource for SessionFactory: " + ex);
}
}
}
return null;
}
/**
* Convert the given HibernateException to an appropriate exception
* from the {@code org.springframework.dao} hierarchy.
* @param ex HibernateException that occurred
* @return the corresponding DataAccessException instance
* @see HibernateExceptionTranslator#convertHibernateAccessException
* @see HibernateTransactionManager#convertHibernateAccessException
*/
public static DataAccessException convertHibernateAccessException(HibernateException ex) {
if (ex instanceof JDBCConnectionException) {
return new DataAccessResourceFailureException(ex.getMessage(), ex);
}
if (ex instanceof SQLGrammarException) {
SQLGrammarException jdbcEx = (SQLGrammarException) ex;
return new InvalidDataAccessResourceUsageException(ex.getMessage() + "; SQL [" + jdbcEx.getSQL() + "]", ex);
}
if (ex instanceof QueryTimeoutException) {
QueryTimeoutException jdbcEx = (QueryTimeoutException) ex;
return new org.springframework.dao.QueryTimeoutException(ex.getMessage() + "; SQL [" + jdbcEx.getSQL() + "]", ex);
}
if (ex instanceof LockAcquisitionException) {
LockAcquisitionException jdbcEx = (LockAcquisitionException) ex;
return new CannotAcquireLockException(ex.getMessage() + "; SQL [" + jdbcEx.getSQL() + "]", ex);
}
if (ex instanceof PessimisticLockException) {
PessimisticLockException jdbcEx = (PessimisticLockException) ex;
return new PessimisticLockingFailureException(ex.getMessage() + "; SQL [" + jdbcEx.getSQL() + "]", ex);
}
if (ex instanceof ConstraintViolationException) {
ConstraintViolationException jdbcEx = (ConstraintViolationException) ex;
return new DataIntegrityViolationException(ex.getMessage() + "; SQL [" + jdbcEx.getSQL() +
"]; constraint [" + jdbcEx.getConstraintName() + "]", ex);
}
if (ex instanceof DataException) {
DataException jdbcEx = (DataException) ex;
return new DataIntegrityViolationException(ex.getMessage() + "; SQL [" + jdbcEx.getSQL() + "]", ex);
}
if (ex instanceof JDBCException) {
return new HibernateJdbcException((JDBCException) ex);
}
// end of JDBCException (subclass) handling
if (ex instanceof QueryException) {
return new HibernateQueryException((QueryException) ex);
}
if (ex instanceof NonUniqueResultException) {
return new IncorrectResultSizeDataAccessException(ex.getMessage(), 1, ex);
}
if (ex instanceof NonUniqueObjectException) {
return new DuplicateKeyException(ex.getMessage(), ex);
}
if (ex instanceof PropertyValueException) {
return new DataIntegrityViolationException(ex.getMessage(), ex);
}
if (ex instanceof PersistentObjectException) {
return new InvalidDataAccessApiUsageException(ex.getMessage(), ex);
}
if (ex instanceof TransientObjectException) {
return new InvalidDataAccessApiUsageException(ex.getMessage(), ex);
}
if (ex instanceof ObjectDeletedException) {
return new InvalidDataAccessApiUsageException(ex.getMessage(), ex);
}
if (ex instanceof UnresolvableObjectException) {
return new HibernateObjectRetrievalFailureException((UnresolvableObjectException) ex);
}
if (ex instanceof WrongClassException) {
return new HibernateObjectRetrievalFailureException((WrongClassException) ex);
}
if (ex instanceof StaleObjectStateException) {
return new HibernateOptimisticLockingFailureException((StaleObjectStateException) ex);
}
if (ex instanceof StaleStateException) {
return new HibernateOptimisticLockingFailureException((StaleStateException) ex);
}
if (ex instanceof OptimisticEntityLockException) {
return new HibernateOptimisticLockingFailureException((OptimisticEntityLockException) ex);
}
if (ex instanceof PessimisticEntityLockException) {
if (ex.getCause() instanceof LockAcquisitionException) {
return new CannotAcquireLockException(ex.getMessage(), ex.getCause());
}
return new PessimisticLockingFailureException(ex.getMessage(), ex);
}
// fallback
return new HibernateSystemException(ex);
}
}