/// <summary>
/// Initializes a new instance of the CustomerCollectionViewModel class.
/// This constructor is declared protected to avoid undesired instantiation of the CustomerCollectionViewModel type without the POCO proxy factory.
/// </summary>
/// <param name="unitOfWorkFactory">A factory used to create a unit of work instance.</param>
protected CustomerCollectionViewModel(IUnitOfWorkFactory <IDevAVDbUnitOfWork> unitOfWorkFactory = null, UnitOfWorkPolicy unitOfWorkPolicy = UnitOfWorkPolicy.Individual)
: base(unitOfWorkFactory ?? UnitOfWorkSource.GetUnitOfWorkFactory(), x => x.Customers, query => QueriesHelper.GetCustomerInfoWithSales(query), unitOfWorkPolicy: unitOfWorkPolicy)
{
}