public void Disjunction()
{
ICriteriaBuilder cb = EJBContainer.Instance.EntityManager.GetCriteriaBuilder();
ICriteriaQuery cq = cb.CreateQuery();
IRoot r = cq.From("Students");
IPredicate criteria = cb.Disjunction();
IParameterExpression pr = cb.Parameter(System.Data.SqlDbType.Int, "3");
criteria = cb.Or(criteria,
cb.Equal(r.Get("SequenceNumber"), pr)
);
pr = cb.Parameter(System.Data.SqlDbType.Int, "'Jonas'");
criteria = cb.Or(criteria,
cb.Equal(r.Get("FirstName"), pr)
);
pr = cb.Parameter(System.Data.SqlDbType.Int, "'Petraitis'");
criteria = cb.Or(criteria,
cb.Equal(r.Get("LastName"), pr)
);
Assert.AreEqual("Students.SequenceNumber = 3 OR Students.FirstName = 'Jonas' OR Students.LastName = 'Petraitis'", criteria.ExpressionValue);
}
public void Or()
{
ICriteriaBuilder cb = EJBContainer.Instance.EntityManager.GetCriteriaBuilder();
ICriteriaQuery cc = cb.CreateQuery();
IRoot r = cc.From("Students");
IPredicate left = cb.Equal(r.Get("Name"), cb.Literal("'Jonas'"));
IPredicate right = cb.Equal(r.Get("Faculty_Id"), cb.Literal("3"));
IExpression expr = cb.Or(left, right);
Assert.AreEqual("Students.Name = 'Jonas' OR Students.Faculty_Id = 3", expr.ExpressionValue);
}