public virtual void RemoveCategory(Category category)
{
if (category == null)
throw new ArgumentNullException(nameof(category));
if (!_categories.Contains(category))
{
_categories.Remove(category);
category.RemoveProduct(this);
}
}
private void button1_Click(object sender, EventArgs e)
{
richTextBox1.Clear();
var sess = NHibernateApp.OpenSession();
sess.BeginTransaction();
try
{
var category = new Category
{
DisplayName = "Game"
};
category.AddProduct(new Product
{
Name = "Minesweeper",
Price = 300
});
category.AddProduct(new Product
{
Name = "Pinball",
Price = 500
});
sess.SaveOrUpdate(category);
sess.Transaction.Commit();
}
catch
{
sess.Transaction.Rollback();
}
sess.BeginTransaction();
try
{
var product = NHibernateApp.CurrentSession().Get<Product>(1);
var order = new Order(product)
{
NumberOfItems = 5,
Customer = "Shop"
};
NHibernateApp.CurrentSession().SaveOrUpdate(product);
sess.Transaction.Commit();
}
catch
{
sess.Transaction.Rollback();
}
sess.BeginTransaction();
try
{
var product = NHibernateApp.CurrentSession().Get<Product>(1);
product.Orders.Clear();
NHibernateApp.CurrentSession().SaveOrUpdate(product);
sess.Transaction.Commit();
}
catch
{
sess.Transaction.Rollback();
}
var criteria = NHibernateApp.CurrentSession().CreateCriteria<Product>();
criteria.Add(Restrictions.Between("Price", 200, 400));
var result = criteria.List<Product>();
foreach (var product in result)
{
richTextBox1.Text += product + Environment.NewLine;
}
}