public ICollection <Product> SelectAll()
{
if (serializer != null)
{
products = serializer.ReadProducts();
}
return(products);
}
public CollectionProductModel(IProductSerializer serializer)
{
this.serializer = serializer;
ICollection <Product> productCollection = serializer.ReadProducts();
if (productCollection != null)
{
products = new HashSet <Product>(productCollection);
}
}