public IQueryable <TEntity> Set <TEntity>()
where TEntity : class
{
if (typeof(TEntity) == typeof(Customer))
{
return((IQueryable <TEntity>)Customers.AsQueryable());
}
if (typeof(TEntity) == typeof(Employee))
{
return((IQueryable <TEntity>)Employees.AsQueryable());
}
if (typeof(TEntity) == typeof(Order))
{
return((IQueryable <TEntity>)Orders.AsQueryable());
}
if (typeof(TEntity) == typeof(OrderDetail))
{
return((IQueryable <TEntity>)OrderDetails.AsQueryable());
}
if (typeof(TEntity) == typeof(Product))
{
return((IQueryable <TEntity>)Products.AsQueryable());
}
if (typeof(TEntity) == typeof(CustomerQuery))
{
return((IQueryable <TEntity>)CustomerQueries.AsQueryable());
}
if (typeof(TEntity) == typeof(OrderQuery))
{
return((IQueryable <TEntity>)OrderQueries.AsQueryable());
}
if (typeof(TEntity) == typeof(ProductQuery))
{
return((IQueryable <TEntity>)ProductQueries.AsQueryable());
}
if (typeof(TEntity) == typeof(ProductView))
{
return((IQueryable <TEntity>)ProductViews.AsQueryable());
}
if (typeof(TEntity) == typeof(CustomerQueryWithQueryFilter))
{
return((IQueryable <TEntity>)CustomerQueriesWithQueryFilter.AsQueryable());
}
throw new InvalidOperationException("Invalid entity type: " + typeof(TEntity));
}