public static bool IsInterceptable(this ItemDefinition definition, PropertyInfo property, out IEnumerable <IInterceptableProperty> attributes)
{
if (!IsSuitableForInterceptionOrPersistence(property))
{
attributes = new IInterceptableProperty[0];
return(false);
}
attributes = definition.GetCustomAttributes <IInterceptableProperty>(property.Name);
return(ContainsInterceptableDeclaration(attributes));
}
private IEnumerable<AttributedProperty> GetInterceptableProperties(ItemDefinition definition)
{
// Also include properties on base classes since properties are matched by reference and
// and we want to intercept calls to properties on base classes with the same name
for (Type t = definition.ItemType; t != null; t = t.BaseType)
{
foreach (var property in t.GetProperties())
{
if (!property.CanRead)
continue;
if (!property.GetGetMethod().IsVirtual)
continue;
if (!property.IsCompilerGenerated())
continue;
var attributes = definition.GetCustomAttributes<IInterceptableProperty>(property.Name);
if (attributes.Any(a => a.PersistAs != PropertyPersistenceLocation.Detail && a.PersistAs != PropertyPersistenceLocation.DetailCollection))
// some property is persisted as something other than detail or detail collection
continue;
if (!attributes.Any(a => a.PersistAs == PropertyPersistenceLocation.Detail || a.PersistAs == PropertyPersistenceLocation.DetailCollection))
// no property is persisted as detail or detail collection
continue;
yield return new AttributedProperty { Property = property, Attribute = attributes.First() };
}
}
}
