Code example for HibernateException

Methods: getCausegetMessage

0
import org.hibernate.StaleObjectStateException;
import org.hibernate.StaleStateException;
import org.hibernate.TransientObjectException;
import org.hibernate.UnresolvableObjectException;
import org.hibernate.WrongClassException;
import org.hibernate.dialect.lock.OptimisticEntityLockException;
import org.hibernate.dialect.lock.PessimisticEntityLockException;
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.spi.Wrapped;
 
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.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 3.1 
 * @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 org.springframework.jdbc.datasource.DataSourceUtils#CONNECTION_SYNCHRONIZATION_ORDER 
	 */ 
	public static final int SESSION_SYNCHRONIZATION_ORDER =
			DataSourceUtils.CONNECTION_SYNCHRONIZATION_ORDER - 100; 
 
	static final Log logger = LogFactory.getLog(SessionFactoryUtils.class);
 
	/** 
	 * Bridging between the different ConnectionProvider package location in 4.0-4.2 vs 4.3. 
	 */ 
	private static final Method getConnectionProviderMethod =
			ClassUtils.getMethodIfAvailable(SessionFactoryImplementor.class, "getConnectionProvider");
 
 
	/** 
	 * Determine the DataSource of the given SessionFactory. 
	 * @param sessionFactory the SessionFactory to check 
	 * @return the DataSource, or {@code null} if none found 
	 * @see org.hibernate.engine.spi.SessionFactoryImplementor#getConnectionProvider 
	 */ 
	public static DataSource getDataSource(SessionFactory sessionFactory) {
		if (getConnectionProviderMethod != null && sessionFactory instanceof SessionFactoryImplementor) {
			Wrapped cp = (Wrapped) ReflectionUtils.invokeMethod(getConnectionProviderMethod, sessionFactory);
			if (cp != null) {
				return cp.unwrap(DataSource.class);
			} 
		} 
		return null; 
	} 
 
	/** 
	 * 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 org.hibernate.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);
			} 
		} 
	} 
 
	/** 
	 * 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);
	}