Hi there,
Why do I get the following exception:
NHibernate.ObjectDeletedException : deleted object would be re-saved
by cascade (remove deleted object from associations)
[Tests.CollectionElement#2]
I want orphans deleted when I invoke Clear() on the collection owning
them.
///// Test start here
var collectionOwnerId = 0L;
using (var session = sessionFactory.OpenSession())
using (var transaction = session.BeginTransaction())
{
collectionOwnerId = (long) session.Save(new CollectionOwner());
var collectionOwner =
session.Get<CollectionOwner>(collectionOwnerId);
collectionOwner.FirstCollection.Add(new CollectionElement("First
element"));
transaction.Commit();
}
using (var session = sessionFactory.OpenSession())
using (var transaction = session.BeginTransaction())
{
var collectionOwner =
session.Get<CollectionOwner>(collectionOwnerId);
collectionOwner.FirstCollection.Clear();
transaction.Commit(); // Exception here!!!
}
///// Test end here
public class CollectionOwner : ReferenceRootObject<CollectionOwner>
{
public IList<CollectionElement> FirstCollection { get; private
set; }
public CollectionOwner()
{
FirstCollection = new List<CollectionElement>();
}
}
public class CollectionElement : ReferenceObject<CollectionElement>
{
public string Name { get; private set; }
public CollectionElement()
{
Name = "";
}
public CollectionElement(string name)
{
Name = name;
}
}
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" default-
access="property" auto-import="true" default-cascade="save-update"
default-lazy="false">
<class xmlns="urn:nhibernate-mapping-2.2" lazy="false"
mutable="true" name="Tests.CollectionOwner, Tests, Version=1.0.0.0,
Culture=neutral, PublicKeyToken=null" table="collection_owners">
<id name="Id" type="System.Int64, mscorlib, Version=4.0.0.0,
Culture=neutral, PublicKeyToken=b77a5c561934e089">
<column name="id" />
<generator class="hilo">
<param name="max_lo">0</param>
</generator>
</id>
<bag access="backfield" cascade="all-delete-orphan"
name="FirstCollection" mutable="true">
<key>
<column name="CollectionOwner_id" />
</key>
<one-to-many class="Tests.CollectionElement, Tests,
Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" />
</bag>
</class>
</hibernate-mapping>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" default-
access="property" auto-import="true" default-cascade="save-update"
default-lazy="false">
<class xmlns="urn:nhibernate-mapping-2.2" lazy="false"
mutable="true" name="Tests.CollectionElement, Tests, Version=1.0.0.0,
Culture=neutral, PublicKeyToken=null" table="collection_elements">
<id name="Id" type="System.Int64, mscorlib, Version=4.0.0.0,
Culture=neutral, PublicKeyToken=b77a5c561934e089">
<column name="id" />
<generator class="hilo">
<param name="max_lo">0</param>
</generator>
</id>
<property name="Name" type="System.String, mscorlib,
Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<column name="Name" length="255" not-null="true" />
</property>
</class>
</hibernate-mapping>
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