我有一个基于以下架构的 MVC Web 应用程序
Asp.Net MVC2、Ninject、Fluent NHibernate、使用工作单元模式的 MySQL。
每个到 MySQL 的连接都会生成一个睡眠连接,可以将其视为 SHOW PROCESSLIST 查询结果中的一个条目。
最终,这将产生足够的连接以超出应用程序池限制并使 Web 应用程序崩溃。
我怀疑连接没有正确处理。
如果是这种情况,应该在哪里以及如何发生?
这是我正在使用的代码的快照:
public class UnitOfWork : IUnitOfWork
{
private readonly ISessionFactory _sessionFactory;
private readonly ITransaction _transaction;
public ISession Session { get; private set; }
public UnitOfWork(ISessionFactory sessionFactory)
{
_sessionFactory = sessionFactory;
Session = _sessionFactory.OpenSession();
Session.FlushMode = FlushMode.Auto;
_transaction = Session.BeginTransaction(IsolationLevel.ReadCommitted);
}
public void Dispose()
{
if (Session != null)
{
if (Session.IsOpen)
{
Session.Close();
Session = null;
}
}
}
public void Commit()
{
if (!_transaction.IsActive)
{
throw new InvalidOperationException("No active transation");
}
_transaction.Commit();
Dispose();
}
public void Rollback()
{
if (_transaction.IsActive)
{
_transaction.Rollback();
}
}
}
public interface IUnitOfWork : IDisposable
{
void Commit();
void Rollback();
}
public class DataService
{
int WebsiteId = Convert.ToInt32(ConfigurationManager.AppSettings["Id"]);
private readonly IKeyedRepository<int, Page> pageRepository;
private readonly IUnitOfWork unitOfWork;
public PageService Pages { get; private set; }
public DataService(IKeyedRepository<int, Page> pageRepository,
IUnitOfWork unitOfWork)
{
this.pageRepository = pageRepository;
this.unitOfWork = unitOfWork;
Pages = new PageService(pageRepository);
}
public void Commit()
{
unitOfWork.Commit();
}
}
public class PageService
{
private readonly IKeyedRepository<int, Page> _pageRepository;
private readonly PageValidator _pageValidation;
public PageService(IKeyedRepository<int, Page> pageRepository)
{
_pageRepository = pageRepository;
_pageValidation = new PageValidator(pageRepository);
}
public IList<Page> All()
{
return _pageRepository.All().ToList();
}
public Page FindBy(int id)
{
return _pageRepository.FindBy(id);
}
}