private static void FindNavigationProperties(this ODataModelBuilder builder, StructuralTypeConfiguration configuration,
IList <Tuple <StructuralTypeConfiguration, IList <object>, NavigationPropertyConfiguration> > navs,
Stack <object> path)
{
Contract.Assert(builder != null);
Contract.Assert(configuration != null);
Contract.Assert(navs != null);
Contract.Assert(path != null);
foreach (var property in configuration.Properties)
{
path.Push(property.PropertyInfo);
NavigationPropertyConfiguration nav = property as NavigationPropertyConfiguration;
ComplexPropertyConfiguration complex = property as ComplexPropertyConfiguration;
CollectionPropertyConfiguration collection = property as CollectionPropertyConfiguration;
if (nav != null)
{
// how about the containment?
IList <object> bindingPath = path.Reverse().ToList();
navs.Add(
new Tuple <StructuralTypeConfiguration, IList <object>, NavigationPropertyConfiguration>(configuration,
bindingPath, nav));
}
else if (complex != null)
{
StructuralTypeConfiguration complexType = builder.GetTypeConfigurationOrNull(complex.RelatedClrType) as StructuralTypeConfiguration;
builder.FindAllNavigationProperties(complexType, navs, path);
}
else if (collection != null)
{
IEdmTypeConfiguration edmType = builder.GetTypeConfigurationOrNull(collection.ElementType);
if (edmType != null && edmType.Kind == EdmTypeKind.Complex)
{
StructuralTypeConfiguration complexType = (StructuralTypeConfiguration)edmType;
builder.FindAllNavigationProperties(complexType, navs, path);
}
}
path.Pop();
}
}