Hello,
I've created my own class (inherited from IPropertyAccessor) to load
custom collections (via the access attribute in the mapping file).
With nh 1.2, I was able to load property of type
ObservableCollection<T> using this class.
Now with nhibernate 2.1 I get "Object reference not set to an instance
of an object" in this method (next to last line):
public override void Set(object target, object value)
{
var initializedField = typeof(AbstractPersistentCollection).GetField
("initialized", BindingFlags.NonPublic | BindingFlags.Instance);
bool savedInitializedFieldValue = (bool) initializedField.GetValue
(value);
initializedField.SetValue(value, true);
propertyInfo.SetValue(target, Activator.CreateInstance
(fieldInfo.FieldType, (IList<T>)value), null);//ERROR HERE : value's
type is NHibernate.Collection.Generic.PersistentGenericBag<T> but I
cannot look at the items (Object reference not set to an instance of
an object).
initializedField.SetValue(value, savedInitializedFieldValue);
}
You can look at the full code of my class here:
http://www.mynetdomain.de/mathmax/CollectionAccessor.htm
What is very strange is that I don't get any error when I set a
breakpoint on the first line of Set() and execute it until all
properties have been loaded. I really don't understand why the
breakpoint "solve" the problem...
Does anyone understand what happens? Is there any changes in the way
nhibernate 2.1 deals with IPropertyAccessor implementations?
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