public void BatchLoad()
{
Baz baz, baz2, baz3;
using (ISession s = OpenSession())
{
baz = new Baz();
SortedSet stringSet = new SortedSet();
stringSet.Add("foo");
stringSet.Add("bar");
ISet fooSet = new HashedSet();
for (int i = 0; i < 3; i++)
{
Foo foo = new Foo();
s.Save(foo);
fooSet.Add(foo);
}
baz.FooSet = fooSet;
baz.StringSet = stringSet;
s.Save(baz);
baz2 = new Baz();
fooSet = new HashedSet();
for (int i = 0; i < 2; i++)
{
Foo foo = new Foo();
s.Save(foo);
fooSet.Add(foo);
}
baz2.FooSet = fooSet;
s.Save(baz2);
baz3 = new Baz();
stringSet = new SortedSet();
stringSet.Add("foo");
stringSet.Add("baz");
baz3.StringSet = stringSet;
s.Save(baz3);
s.Flush();
}
using (ISession s = OpenSession())
{
baz = (Baz) s.Load(typeof(Baz), baz.Code);
baz2 = (Baz) s.Load(typeof(Baz), baz2.Code);
baz3 = (Baz) s.Load(typeof(Baz), baz3.Code);
Assert.IsFalse(NHibernateUtil.IsInitialized(baz.FooSet));
Assert.IsFalse(NHibernateUtil.IsInitialized(baz2.FooSet));
Assert.IsFalse(NHibernateUtil.IsInitialized(baz3.FooSet));
Assert.IsFalse(NHibernateUtil.IsInitialized(baz.StringSet));
Assert.IsFalse(NHibernateUtil.IsInitialized(baz2.StringSet));
Assert.IsFalse(NHibernateUtil.IsInitialized(baz3.StringSet));
Assert.AreEqual(3, baz.FooSet.Count);
Assert.IsTrue(NHibernateUtil.IsInitialized(baz.FooSet));
Assert.IsTrue(NHibernateUtil.IsInitialized(baz2.FooSet));
Assert.IsTrue(NHibernateUtil.IsInitialized(baz3.FooSet));
Assert.AreEqual(2, baz2.FooSet.Count);
Assert.IsTrue(baz3.StringSet.Contains("baz"));
Assert.IsTrue(NHibernateUtil.IsInitialized(baz.StringSet));
Assert.IsTrue(NHibernateUtil.IsInitialized(baz2.StringSet));
Assert.IsTrue(NHibernateUtil.IsInitialized(baz3.StringSet));
Assert.AreEqual(2, baz.StringSet.Count);
Assert.AreEqual(0, baz2.StringSet.Count);
s.Delete(baz);
s.Delete(baz2);
s.Delete(baz3);
IEnumerable en = new JoinedEnumerable(
new IEnumerable[] {baz.FooSet, baz2.FooSet});
foreach (object obj in en)
{
s.Delete(obj);
}
s.Flush();
}
}
public void TransientOrphanDelete()
{
ISession s = OpenSession();
ITransaction t = s.BeginTransaction();
Baz baz = new Baz();
ISet bars = new HashedSet();
baz.CascadingBars = bars;
bars.Add(new Bar());
bars.Add(new Bar());
bars.Add(new Bar());
IList foos = new ArrayList();
foos.Add(new Foo());
foos.Add(new Foo());
baz.FooBag = foos;
s.Save(baz);
IEnumerator enumer = new JoinedEnumerable(new IEnumerable[] {foos, bars}).GetEnumerator();
while (enumer.MoveNext())
{
FooComponent cmp = ((Foo) enumer.Current).Component;
s.Delete(cmp.Glarch);
cmp.Glarch = null;
}
t.Commit();
s.Close();
enumer = bars.GetEnumerator();
enumer.MoveNext();
bars.Remove(enumer.Current);
foos.RemoveAt(1);
s = OpenSession();
t = s.BeginTransaction();
s.Update(baz);
Assert.AreEqual(2, s.CreateQuery("from Bar bar").List().Count);
Assert.AreEqual(3, s.CreateQuery("from Foo foo").List().Count);
t.Commit();
s.Close();
foos.RemoveAt(0);
s = OpenSession();
t = s.BeginTransaction();
s.Update(baz);
enumer = bars.GetEnumerator();
enumer.MoveNext();
bars.Remove(enumer.Current);
s.Delete(baz);
s.Flush();
Assert.AreEqual(0, s.CreateQuery("from Foo foo").List().Count);
t.Commit();
s.Close();
}
protected string GenerateSubquery(PersistentClass model, IMapping mapping)
{
Dialect.Dialect dialect = Factory.Dialect;
Settings settings = Factory.Settings;
if (!model.HasSubclasses)
{
return model.Table.GetQualifiedName(dialect, settings.DefaultCatalogName, settings.DefaultSchemaName);
}
HashedSet<Column> columns = new HashedSet<Column>();
foreach (Table table in model.SubclassTableClosureIterator)
{
if (!table.IsAbstractUnionTable)
{
foreach (Column column in table.ColumnIterator)
columns.Add(column);
}
}
StringBuilder buf = new StringBuilder().Append("( ");
IEnumerable<PersistentClass> siter =
new JoinedEnumerable<PersistentClass>(new SingletonEnumerable<PersistentClass>(model),
new SafetyEnumerable<PersistentClass>(model.SubclassIterator));
foreach (PersistentClass clazz in siter)
{
Table table = clazz.Table;
if (!table.IsAbstractUnionTable)
{
buf.Append("select ");
foreach (Column col in columns)
{
if (!table.ContainsColumn(col))
{
SqlType sqlType = col.GetSqlTypeCode(mapping);
buf.Append(dialect.GetSelectClauseNullString(sqlType)).Append(" as ");
}
buf.Append(col.Name);
buf.Append(StringHelper.CommaSpace);
}
buf.Append(clazz.SubclassId).Append(" as clazz_");
buf.Append(" from ").Append(table.GetQualifiedName(dialect, settings.DefaultCatalogName, settings.DefaultSchemaName));
buf.Append(" union ");
if (dialect.SupportsUnionAll)
buf.Append("all ");
}
}
if (buf.Length > 2)
{
//chop the last union (all)
buf.Length -= (dialect.SupportsUnionAll ? 11 : 7); //" union " : "all "
}
return buf.Append(" )").ToString();
}
