/// <summary>
/// To use multi criteria to eagerly load multiple child collection, if the first detached criteria has child collection to query,
/// then must use .SetResultTransformer(new DistinctRootEntityResultTransformer() for the first detached criteria
/// </summary>
/// <param name="multiCriteria">The multi criteria.</param>
/// <param name="detachedCriteria">The detached criteria.</param>
/// <param name="orders">The orders.</param>
/// <param name="returnDistinctRoot">If set to <c>true</c> [return distinct root].</param>
/// <returns>A <see cref="IMultiCriteria"/></returns>
public static IMultiCriteria AddDetachedCriteria(
this IMultiCriteria multiCriteria, DetachedCriteria detachedCriteria, IEnumerable <Order> orders = null, bool returnDistinctRoot = false)
{
if (orders != null && orders.Count() > 0)
{
detachedCriteria.AddOrders(orders);
}
if (returnDistinctRoot)
{
detachedCriteria = detachedCriteria.SetResultTransformer(new DistinctRootEntityResultTransformer());
}
multiCriteria.Add(detachedCriteria);
return(multiCriteria);
}
