#region Licence
/*
* Copyright 2002-2005 the original author or authors.
*
* 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.
*/
#endregion
#region Imports
using System;
using System.Web;
#endregion
namespace Spring.Data.NHibernate.Support{
/// <summary>
/// Provide support for the open session in view pattern for lazily loaded hibernate objects
/// used in ASP.NET pages.
/// </summary>
/// <author>jjx: http://forum.springframework.net/member.php?u=29</author>
/// <author>Mark Pollack (.NET)</author>
/// <author>Erich Eichinger</author>
/// <author>Harald Radi</author>
public class OpenSessionInViewModule : SessionScope, IHttpModule
{
/// <summary>
/// Initializes a new instance of the <see cref="OpenSessionInViewModule"/> class. Creates a SessionScope,
/// but does not yet associate a session with a thread, that is lef to the lifecycle of the request.
/// </summary>
public OpenSessionInViewModule() : base("appSettings", typeof(OpenSessionInViewModule), false)
{
}
#region IHttpModule Members
/// <summary>
/// Register context handler and look up SessionFactoryObjectName under the application configuration key,
/// Spring.Data.NHibernate.Support.OpenSessionInViewModule.SessionFactoryObjectName if not using the default value
/// (i.e. sessionFactory) and look up the SingleSession setting under the application configuration key,
/// Spring.Data.NHibernate.Support.OpenSessionInViewModule.SingleSession if not using the default value of true.
/// </summary>
/// <param name="context">The standard HTTP application context</param>
public void Init( HttpApplication context )
{
context.BeginRequest += new EventHandler(context_BeginRequest);
context.EndRequest += new EventHandler(context_EndRequest);
}
/// <summary>
/// A do nothing dispose method.
/// </summary>
public override void Dispose()
{
}
#endregion
private void context_BeginRequest(object sender, EventArgs e)
{
Open();
}
private void context_EndRequest(object sender, EventArgs e)
{
Close();
}
}
}
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