private static bool CanExpand(this IEdmModel edmModel, IEdmStructuredType structuredType, IEdmProperty property)
{
// first for back-compability, check the queryable restriction
QueryableRestrictionsAnnotation annotation = EdmHelpers.GetPropertyRestrictions(property, edmModel);
if (annotation != null && annotation.Restrictions.NotExpandable)
{
return(false);
}
ModelBoundQuerySettings settings = edmModel.GetModelBoundQuerySettingsOrNull(structuredType, property);
if (settings != null && !settings.Expandable(property.Name))
{
return(false);
}
return(true);
}
public static bool IsExpandable(string propertyName, IEdmProperty property, IEdmStructuredType structuredType,
IEdmModel edmModel,
out ExpandConfiguration expandConfiguration)
{
expandConfiguration = null;
ModelBoundQuerySettings querySettings = GetModelBoundQuerySettings(property, structuredType, edmModel);
if (querySettings != null)
{
bool result = querySettings.Expandable(propertyName);
if (!querySettings.ExpandConfigurations.TryGetValue(propertyName, out expandConfiguration) && result)
{
expandConfiguration = new ExpandConfiguration
{
ExpandType = querySettings.DefaultExpandType.Value,
MaxDepth = querySettings.DefaultMaxDepth
};
}
return(result);
}
return(false);
}