Multiple SessionFactories in Windows Service with NHibernate
- by Rob Taylor
Hi all,
I have a Webapp which connects to 2 DBs (one core, the other is a logging DB).
I must now create a Windows service which will use the same business logic/Data access DLLs. However when I try to reference 2 session factories in the Service App and call the factory.GetCurrentSession() method, I get the error message "No session bound to current context".
Does anyone have a suggestion about how this can be done?
public class StaticSessionManager
{
public static readonly ISessionFactory SessionFactory;
public static readonly ISessionFactory LoggingSessionFactory;
static StaticSessionManager()
{
string fileName = System.Configuration.ConfigurationSettings.AppSettings["DefaultNHihbernateConfigFile"];
string executingPath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase);
fileName = executingPath + "\\" + fileName;
SessionFactory = cfg.Configure(fileName).BuildSessionFactory();
cfg = new Configuration();
fileName = System.Configuration.ConfigurationSettings.AppSettings["LoggingNHihbernateConfigFile"];
fileName = executingPath + "\\" + fileName;
LoggingSessionFactory = cfg.Configure(fileName).BuildSessionFactory();
}
}
The configuration file has the setting:
<property name="current_session_context_class">call</property>
The service sets up the factories:
private ISession _session = null;
private ISession _loggingSession = null;
private ISessionFactory _sessionFactory = StaticSessionManager.SessionFactory;
private ISessionFactory _loggingSessionFactory = StaticSessionManager.LoggingSessionFactory;
...
_sessionFactory = StaticSessionManager.SessionFactory;
_loggingSessionFactory = StaticSessionManager.LoggingSessionFactory;
_session = _sessionFactory.OpenSession();
NHibernate.Context.CurrentSessionContext.Bind(_session);
_loggingSession = _loggingSessionFactory.OpenSession();
NHibernate.Context.CurrentSessionContext.Bind(_loggingSession);
So finally, I try to call the correct factory by:
ISession session = StaticSessionManager.SessionFactory.GetCurrentSession();
Can anyone suggest a better way to handle this?
Thanks in advance!
Rob
