public static IRepositoryQuery <TChild> ParentQuery <TChild, TParent>(this IRepositoryQuery <TChild> query, RepositoryQueryDescriptor <TParent> parentQuery) where TChild : class where TParent : class
{
if (parentQuery == null)
{
throw new ArgumentNullException(nameof(parentQuery));
}
return(query.BuildOption(ParentQueryKey, parentQuery.Configure()));
}