public void TestLazyLoadProducts()
{
LazyLoader <ProductDomain, ProductDomain.Criteria> loader = new ProductLazyLoader();
IList <ProductDomain> list = new LazyLoadList <ProductDomain, ProductDomain.Criteria>(loader);
IBaseMapper mapper = null;
list.Add(new ProductDomain(mapper, ProductDomain.Criteria.SearchById(2)));
list.Add(new ProductDomain(mapper, ProductDomain.Criteria.SearchById(4)));
list.Add(new ProductDomain(mapper, ProductDomain.Criteria.SearchById(5)));
ProductDomain product = list.FirstOrDefault(x => x.Id == 2);
Assert.IsTrue(string.IsNullOrEmpty(product.Description)); //Description is not loaded
Assert.AreEqual("Product two", list[0].Description);
Assert.AreEqual("Product four", list[1].Description);
Assert.AreEqual("Product five", list[2].Description);
Assert.IsFalse(string.IsNullOrEmpty(product.Description)); //Description is now loaded
}
public VerseListViewModel(DataSource source, DbList list)
{
if (list == null)
throw new ArgumentNullException("list", "list cannot be null.");
if (source == null)
throw new ArgumentNullException("source", "source cannot be null.");
var pageFactory = new VersePageFactory(source, list);
var insertionStrategy = new VerseInsertionStrategy(source, list);
_verseUpdateStrategy = new VerseUpdateStrategy(source, list);
_verseList = new LazyLoadList<VerseViewModel>(pageFactory, insertionStrategy);
Verses = _verseList;
Title = list.Name;
SelectedVerseIndex = -1;
_dbList = list;
ListId = _dbList.Id;
}
