public void Not()
{
ICriteriaBuilder cb = EJBContainer.Instance.EntityManager.GetCriteriaBuilder();
ICriteriaQuery cq = cb.CreateQuery();
IRoot r = cq.From("Students");
IPredicate exp = cb.Equal(r.Get("SequenceNumber"), cb.Literal("2"));
IPredicate pred = cb.Not(exp);
Assert.AreEqual("NOT (Students.SequenceNumber = 2)", pred.ExpressionValue);
}