public void TestLazyLoadNoAdd()
{
int parentId = 0;
using (ISession s1 = OpenSession())
using (ITransaction t1 = s1.BeginTransaction())
{
// create a new
LLParent parent = new LLParent();
LLChildNoAdd child = new LLChildNoAdd();
parent.ChildrenNoAdd.Add(child);
child.Parent = parent;
s1.Save(parent);
parentId = (int) s1.GetIdentifier(parent);
t1.Commit();
}
// try to Load the object to make sure the save worked
using (ISession s2 = OpenSession())
using (ITransaction t2 = s2.BeginTransaction())
{
LLParent parent2 = (LLParent) s2.Load(typeof(LLParent), parentId);
Assert.AreEqual(1, parent2.ChildrenNoAdd.Count);
}
using (ISession session = sessions.OpenSession())
{
session.Delete("from LLParent");
session.Flush();
}
}
public void TestLoadChildFirst()
{
int parentId = 0;
int childId = 0;
using (ISession s1 = OpenSession())
using (ITransaction t1 = s1.BeginTransaction())
{
// create a new
LLParent parent = new LLParent();
LLChildNoAdd child = new LLChildNoAdd();
parent.ChildrenNoAdd.Add(child);
child.Parent = parent;
s1.Save(parent);
parentId = (int) s1.GetIdentifier(parent);
childId = (int) s1.GetIdentifier(child);
t1.Commit();
}
// try to Load the object to make sure the save worked
using (ISession s2 = OpenSession())
using (ITransaction t2 = s2.BeginTransaction())
{
LLChildNoAdd child2 = (LLChildNoAdd) s2.Load(typeof(LLChildNoAdd), childId);
Assert.AreEqual(parentId, (int) s2.GetIdentifier(child2.Parent));
}
}
public void TestLazyLoad()
{
int parentId = 0;
using (ISession s1 = OpenSession())
using (ITransaction t1 = s1.BeginTransaction())
{
// create a new
LLParent parent = new LLParent();
LLChild child = new LLChild();
child.Parent = parent;
s1.Save(parent);
parentId = (int) s1.GetIdentifier(parent);
t1.Commit();
}
try
{
// try to Load the object to get the exception
using (ISession s2 = OpenSession())
using (ITransaction t2 = s2.BeginTransaction())
{
LLParent parent2 = (LLParent) s2.Load(typeof(LLParent), parentId);
// this should throw the exception - the property setter access is not mapped correctly.
// Because it maintains logic to maintain the collection during the property set it should
// tell NHibernate to skip the setter and access the field. If it doesn't, then throw
// a LazyInitializationException.
Assert.Throws<LazyInitializationException>(() => { int count = parent2.Children.Count; });
}
}
finally
{
// Need to delete the objects using direct SQL in this case,
// because of loading problems.
ExecuteStatement("delete from LLChild");
ExecuteStatement("delete from LLParent");
}
}
