public void Start(IUnitOfWork uow)
{
int sessionCode = 0;
switch (type)
{
case TypeOfUnitOfWork.Normal: // add the uow to the observers of the current conversation, so that at closing time, the conversation is disposed with the last uow
this.session = getAmbientSession(true);
statefull = true;
stSession = null;
registerUnit(session, uow);
if (!AppConfiguration.CacheQueryResults)
{
session.CacheMode = NHibernate.CacheMode.Ignore;
}
else
{
session.CacheMode = NHibernate.CacheMode.Normal;
}
sessionCode = session.GetHashCode();
break;
case TypeOfUnitOfWork.Isolated: // single conversation per uow
this.session = createSession();
statefull = true;
stSession = null;
if (!AppConfiguration.CacheQueryResults)
{
session.CacheMode = NHibernate.CacheMode.Ignore;
}
else
{
session.CacheMode = NHibernate.CacheMode.Normal;
}
sessionCode = session.GetHashCode();
break;
case TypeOfUnitOfWork.Bulk: // single conversation per uow
this.stSession = createStatelessSession();
statefull = false;
session = null;
sessionCode = stSession.GetHashCode();
break;
default:
break;
}
if (showQueries)
{
Trace.WriteLine("SQL output at:" + DateTime.Now.ToString() + "--> " + "A conversation was opened. ID: " + sessionCode);
}
}
private void endStatelessSession()
{
try
{
if (stSession != null && stSession.Transaction != null && stSession.Transaction.IsActive)
{
if (commitTransaction)
{
try
{
if (stSession.Transaction.IsActive)
{
stSession.Transaction.Commit();
}
}
catch (Exception ex)
{
//stSession.Transaction.Rollback();
throw new Exception("There were some changes submitted to the system that could not be committed!", ex);
}
}
else
{
stSession.Transaction.Rollback();
}
}
}
finally
{
if (stSession.IsOpen)
{
stSession.Close();
}
if (showQueries)
{
Trace.WriteLine("SQL output at:" + DateTime.Now.ToString() + "--> " + "A conversation was closed. ID: " + stSession.GetHashCode());
}
stSession.Dispose();
stSession = null;
GC.Collect();
}
}