public IQueryable <TEntity> Set <TEntity>() where TEntity : class
{
if (typeof(TEntity) == typeof(RootContent))
{
return((IQueryable <TEntity>)Roots.AsQueryable());
}
if (typeof(TEntity) == typeof(ChildContent))
{
return((IQueryable <TEntity>)Roots
.SelectMany(r => r.Children)
.ToList()
.AsQueryable());
}
throw new ArgumentException();
}
