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// Copyright 2004-2011 Castle Project - http://www.castleproject.org/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace NHibernate.ExampleConsoleApp
{
using System;

using Castle.Facilities.AutoTx;
using Castle.Facilities.AutoTx.Testing;
using Castle.Facilities.NHibernate;
using Castle.MicroKernel.Registration;
using Castle.Transactions;
using Castle.Windsor;

using FluentNHibernate.Cfg;
using FluentNHibernate.Cfg.Db;
using FluentNHibernate.Mapping;

using NHibernate.Cfg;
using NHibernate.Tool.hbm2ddl;

using NLog;

using Topshelf;
using Castle.Facilities.Logging;

internal class Program
{
private static void Main(string[] args)
{
// log4net.ConfigBasicConfigurator.Configure(); // supporting topshelf & its logging to log4net - enable if you want detailed logs
HostFactory.Run(cfg =>
{
cfg.Service<Program>(s =>
{
s.ConstructUsing(() => new Program());
s.SetServiceName("nhibLogger");
s.WhenStarted(p => p.Start());
s.WhenStopped(p => p.Stop());
});

cfg.RunAsNetworkService();

cfg.SetDescription("A service logging when it starts and stops to SQLite.");
cfg.SetDisplayName("NHibernate Logger");
cfg.SetServiceName("nhibLogger");
});
}

private IWindsorContainer container;

private void Start()
{
container = new WindsorContainer();
container.AddFacility<LoggingFacility>(f => f.UseNLog());

container
.AddFacility<AutoTxFacility>()
.Register(
Component.For<INHibernateInstaller>().ImplementedBy<NHibInstaller>().LifeStyle.Singleton,
Component.For<Logger>().LifeStyle.Singleton)
.AddFacility<NHibernateFacility>();

using (var scope = new ResolveScope<Logger>(container))
{
using (var up = new ResolveScope<Configuration>(container))
new SchemaUpdate(up.Service).Execute(false, true);

Console.WriteLine("Current log contents:");
Console.WriteLine("[utc date] - [text]");
Console.WriteLine("-------------------");
scope.Service.ReadLog(Console.WriteLine);
scope.Service.WriteToLog(string.Format("{0} - Started", DateTime.UtcNow));
}
}

private void Stop()
{
using (var scope = new ResolveScope<Logger>(container))
scope.Service.WriteToLog(string.Format("{0} - Stopped", DateTime.UtcNow));

foreach (var target in LogManager.Configuration.AllTargets)
target.Dispose();

container.Dispose();
container = null;
}
}

public class Logger
{
private readonly Func<ISession> getSession;

public Logger(Func<ISession> getSession)
{
this.getSession = getSession;
}

[Transaction]
public virtual void WriteToLog(string text)
{
using (var s = getSession())
s.Save(new LogLine(text));
}

[Transaction]
public virtual void ReadLog(Action<string> reader)
{
using (var s = getSession())
foreach (var line in s.CreateCriteria<LogLine>().List<LogLine>())
reader(line.Line);
}
}

[Serializable]
public class LogLine
{
/// <summary>
/// Gets the log-line.
/// </summary>
public virtual string Line { get; protected set; }

/// <summary>
/// Gets the ID of the line in the log.
/// </summary>
public virtual Guid Id { get; protected set; }

/// <summary> for serialization </summary>
[Obsolete("for serialization")]
protected LogLine()
{
}

public LogLine(string line)
{
Line = line;
}
}

public class LogLineMap
: ClassMap<LogLine>
{
public LogLineMap()
{
Id(x => x.Id).GeneratedBy.GuidComb();
Map(x => x.Line);
}
}

internal class NHibInstaller : INHibernateInstaller
{
public bool IsDefault
{
get { return true; }
}

public string SessionFactoryKey
{
get { return "def"; }
}

public Maybe<IInterceptor> Interceptor
{
get { return Maybe.None<IInterceptor>(); }
}

public Configuration Config
{
get
{
return Fluently.Configure()
.Database(SQLiteConfiguration.Standard.UsingFile("DataStore.db"))
.Mappings(m => m.FluentMappings.AddFromAssemblyOf<NHibInstaller>()).BuildConfiguration();
}
}

public void Registered(ISessionFactory factory)
{
}
}
}
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