NHibernate - Lesson 2. Mapping Components

[netcat-na-diary]

Класс Customer.cs

using System;

namespace NHibernateDemo
{
	public class Customer
	{
		public Customer()
		{
			MemberSince = DateTime.UtcNow;
		}

		public virtual int Id { get; set; }
		public virtual string FirstName { get; set; }
		public virtual string LastName { get; set; }
		public virtual double AverageRating { get; set; }
		public virtual int Points { get; set; }
		public virtual bool HasGoldStatus { get; set; }
		public virtual DateTime MemberSince { get; set; }
		public virtual CustomerCreditRating CreditRating { get; set; }
		public virtual Location Adress { get; set; }

		public override string ToString()
		{

			return string.Format("{1} {2} ({0}), " +
								 "\nPoints {3}, \nHasGoldStatus: {4}, \nMemberSince: {5} ({7})," +
								 "\nCreditRating: {6}, \nAverageRating: {8}", 
								 Id, FirstName, LastName, Points, HasGoldStatus, MemberSince, CreditRating, MemberSince.Kind, AverageRating);
		}
	}

	public class Location
	{
		public virtual string Street { get; set; }
		public virtual string City { get; set; }
		public virtual string Province { get; set; }
		public virtual string Country { get; set; }
	}

	public enum CustomerCreditRating
	{
		Excellent, Good, Neutral, Poor, Terrible
	}
}

XML-файл Customer.hbm.xml

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
				  assembly="NHibernateDemo"
				  namespace="NHibernateDemo">
	<class name="Customer">
		<id name="Id">
			<generator class="native" />
		</id>
		<property name="FirstName"/>
		<property name="LastName"/>
		<property name="AverageRating"/>
		<property name="Points"/>
		<property name="HasGoldStatus"/>
		<property name="MemberSince" type="UtcDateTime"/>
		<property name="CreditRating" type="CustomerCreditRatingType"/>

		<component name="Adress">
			<property name="Street"/>
			<property name="City"/>
			<property name="Province"/>
			<property name="Country"/>
		</component>
	</class>
</hibernate-mapping>

Класс Program.cs

using System;
using System.Linq;
using System.Reflection;
using HibernatingRhinos.Profiler.Appender.NHibernate;
using NHibernate.Cfg;
using NHibernate.Dialect;
using NHibernate.Driver;
using NHibernate.Linq;

namespace NHibernateDemo
{
	internal class Program
	{
		static void Main(string[] args)
		{
			NHibernateProfiler.Initialize();

			var cfg = new Configuration();
			cfg.DataBaseIntegration(x =>
				{
					//x.LogSqlInConsole = true;
					x.ConnectionString = "Server=.; Database=NHibernateDemo; Integrated Security = SSPI;";
					x.Driver<SqlClientDriver>();
					x.Dialect<MsSql2008Dialect>();
				});
			cfg.AddAssembly(Assembly.GetExecutingAssembly());
			var sessionFactory = cfg.BuildSessionFactory();

			int newId;
			
			using (var session = sessionFactory.OpenSession())
			using (var tx = session.BeginTransaction())
			{
				var newCustomer = CreateCustomer();
				Console.WriteLine("Before saving:");
				Console.WriteLine(newCustomer);
				session.Save(newCustomer);
				newId = newCustomer.Id;
				tx.Commit();
			}

			using (var session = sessionFactory.OpenSession())
			using (var tx = session.BeginTransaction())
			{
				var newCustomer = session.Load<Customer>(newId);
				Console.WriteLine("\nAfter saving:");
				Console.WriteLine(newCustomer);
				session.Save(newCustomer);
				tx.Commit();
			}

			Console.WriteLine("Enter any key to exit...");
			Console.ReadKey();
		}

		private static Customer CreateCustomer()
		{
			return new Customer
			{
				FirstName = "Jonh",
				LastName = "Doe",
				Points = 100,
				HasGoldStatus = true,
				//				MemberSince = new DateTime(2012, 1, 1),
				CreditRating = CustomerCreditRating.Good,
				AverageRating = 42.44454647,
				Adress = new Location()
				{
					Street = "123 Somewhere Avenue",
					City = "Nowhere",
					Province = "Alberta",
					Country = "Canada"
				}
			};
		}
	}
}

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