public List <T> List(OrderEntity[] orders, ListFilterEntity filterCriterias)
{
List <T> resultList = new List <T>();
try
{
if (Session == null || !Session.IsOpen)
{
Session = NHibernateManager.Instance.GetSession();
}
ICriteria criteria = Session.CreateCriteria(typeof(T));
addCriterias(ref criteria, filterCriterias);
addOrder(ref criteria, orders);
criteria.List(resultList);
}
finally
{
NHibernateManager.Instance.CloseSession();
}
return(resultList);
}
private void addCriterias(ref ICriteria criteria, ListFilterEntity filterEntities)
{
if (filterEntities != null && filterEntities.Count > 0)
{
if (!filterEntities.HasOperation)
{
ICriterion criterion;
for (int i = 0; i < filterEntities.Count; i++)
{
criterion = criterionEntity(filterEntities[i]);
criteria.Add(criterion);
}
}
else
{
ICriterion leftCriterion, rightCriterion;
for (int i = 1; i < filterEntities.Count - 1; i += 2)
{
leftCriterion = criterionEntity(filterEntities[i - 1]);
rightCriterion = criterionEntity(filterEntities[i + 1]);
switch (filterEntities[i].FilterOperation)
{
case FilterOperation.And: criteria.Add(Expression.And(leftCriterion, rightCriterion)); break;
case FilterOperation.Or: criteria.Add(Expression.Or(leftCriterion, rightCriterion)); break;
default: throw new OrderOperationInvalidException();
}
}
}
}
}
/// <summary>
/// O mesmo que List(), incluindo um array do tipo NHibernate.Expression.Order para ordenação da lista.
/// </summary>
/// <param name="orders">Array com instâncias de Order.</param>
/// <returns></returns>
public virtual IList List(OrderEntity[] orders, ListFilterEntity filterEntities)
{
return(ListEntityManager <T> .Instance.List(orders, filterEntities));
}
