/// <summary>
/// Returns a list of allowed <see cref="QuerySortEnum"/> values for this particular query.
/// </summary>
/// <returns>An enumeration of allowed <see cref="QuerySortEnum"/> values.</returns>
public IEnumerable <QuerySortEnum> GetAllowedSortValues()
{
Type type = GetType();
PropertyInfo prop = type.GetProperty("Sort");
AllowedSortValuesAttribute attribute = prop.GetCustomAttribute <AllowedSortValuesAttribute>();
if (attribute == null)
{
return(Enumerable.Empty <QuerySortEnum>());
}
return(attribute.Values);
}
