public override bool isSatisfiedBy(Product product)
{
IEnumerator <Spec> specifications = this.getSpecs().GetEnumerator();
bool satisfiesAllSpecs = true;
while (specifications.MoveNext())
{
Spec productSpec = specifications.Current;
satisfiesAllSpecs &= productSpec.isSatisfiedBy(product);
}
return(satisfiesAllSpecs);
}
public List <Product> selectBy(Spec spec)
{
List <Product> foundProducts = new List <Product>();
List <Product> .Enumerator products = iterator();
while (products.MoveNext())
{
Product product = products.Current;
if (spec.isSatisfiedBy(product))
{
foundProducts.Add(product);
}
}
return(foundProducts);
}
