How to use

getJdbcConnectionAccess

method

in

org.hibernate.engine.spi.SessionImplementor

@Override
public JdbcConnectionAccess getJdbcConnectionAccess() {
  return delegate.getJdbcConnectionAccess();
}

public JdbcConnectionAccess getJdbcConnectionAccess()
{
 return ((SessionImplementor) delegate).getJdbcConnectionAccess();
}

@Override
public JdbcConnectionAccess getJdbcConnectionAccess() {
  return delegate.getJdbcConnectionAccess();
}

Session session = entityManager.unwrap(Session.class);
SessionImplementor sessionImplementor = (SessionImplementor) session;
Connection conn = sessionImplementor.getJdbcConnectionAccess().obtainConnection();

@Override
public JdbcConnectionAccess getJdbcConnectionAccess() {
  return session.getJdbcConnectionAccess();
}

 SessionImplementor sessionImplementor = (SessionImplementor) sessionFactory.getCurrentSession();
Connection conn = sessionImplementor.getJdbcConnectionAccess().obtainConnection();

@Override
public JdbcConnectionAccess getJdbcConnectionAccess() {
  return getSessionImplementor().getJdbcConnectionAccess();
}

 SessionFactory factory = HibernateUtil.getSessionFactory();
Session session = factory.openSession();
SessionImplementor sessImpl = (SessionImplementor) session;
Connection conn = null;
conn = sessImpl.getJdbcConnectionAccess().obtainConnection();
CopyManager copyManager = new CopyManager((BaseConnection) conn);
File tf =File.createTempFile("temp-file", "tmp"); 
String tempPath =tf.getParent();
File tempFile = new File(tempPath + File.separator + filename);
FileReader fileReader = new FileReader(tempFile);
copyManager.copyIn("copy testdata (col1, col2, col3) from  STDIN with csv", fileReader );