using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NHibernate;
using NHibernate.Cfg;
using NHibernate.Tool.hbm2ddl;

namespace TestApplication
{
	class NHSessionManager
	{

		private static ISessionFactory factory;

		static NHSessionManager()
		{
			try
			{
				Configuration cfg = new Configuration();
				cfg.Configure("NHibernateConfig.xml");
				factory = cfg.BuildSessionFactory();
			}
			catch (Exception ex)
			{
				System.Diagnostics.Debug.WriteLine("NHibernate exception stack");
				String formatter = "--";
				do
				{
					System.Diagnostics.Debug.WriteLine(formatter + ex.Message);
					ex = ex.InnerException;
					formatter += "--";
				} while (ex != null);
				throw;
			}
		}

		public static void GenerateSchema()
		{
			Configuration cfg = new Configuration();
			cfg.Configure("NHibernateConfig1.xml");
			new SchemaExport(cfg).Create(false, true);
		}

		public static ISession GetSession()
		{
			return factory.OpenSession();
		}
	}
}