/// <summary>
/// Removes this instance from the parent it was attached to.
/// Parent may be an Entity or ComplexObject
/// </summary>
internal void DetachFromParent()
{
// We will null out _parent and _parentPropertyName anyway, so if they are already null
// it is an unexpected condition, but should not cause a failure in released code
Debug.Assert(_parent != null, "Attempt to detach from a null _parent");
Debug.Assert(_parentPropertyName != null, "Null _parentPropertyName on a non-null _parent");
_parent = null;
_parentPropertyName = null;
}
private string _parentPropertyName; // Property name for this type on the containing object
/// <summary>
/// Associate the ComplexType with an Entity or another ComplexObject
/// Parent may be an Entity or ComplexObject
/// </summary>
/// <param name="parent">Object to be added to.</param>
/// <param name="parentPropertyName">The property on the parent that reference the complex type.</param>
internal void AttachToParent(
StructuralObject parent,
string parentPropertyName)
{
Debug.Assert(null != parent, "Attempt to attach to a null parent");
Debug.Assert(null != parentPropertyName, "Must provide parentPropertyName in order to attach");
if (_parent != null)
{
throw EntityUtil.ComplexObjectAlreadyAttachedToParent();
}
Debug.Assert(_parentPropertyName == null);
_parent = parent;
_parentPropertyName = parentPropertyName;
}
