public void LazyLoad_Initialize_AndEvict()
{
Category category = new Category("parent");
category.AddSubcategory(new Category("child"));
SaveCategory(category);
using (ISession session = OpenSession())
using (ITransaction transaction = session.BeginTransaction())
{
Category loaded = session.Load<Category>(category.Id);
NHibernateUtil.Initialize(loaded.Subcategories[0]);
session.Evict(loaded);
transaction.Commit();
Assert.AreEqual("child", loaded.Subcategories[0].Name, "cannot access child");
}
using (ISession session = OpenSession())
using (ITransaction transaction = session.BeginTransaction())
{
// first delete children
session.CreateQuery("delete from Category where Parent != null").ExecuteUpdate();
// then the rest
session.CreateQuery("delete from Category").ExecuteUpdate();
transaction.Commit();
}
}
private void SaveCategory(Category category)
{
using (ISession session = OpenSession())
using (ITransaction transaction = session.BeginTransaction())
{
session.SaveOrUpdate(category);
transaction.Commit();
}
}
public virtual void AddSubcategory(Category subcategory)
{
subcategories.Add(subcategory);
subcategory.Parent = this;
}