public P_Episode[] ListEpisodes(P_User user)
{
P_Episode[] answer = null;
ISession session = null;
ITransaction transaction = null;
try {
session = factory.OpenSession();
transaction = session.BeginTransaction();
//session.Lock(user, LockMode.None);
session.Update(user);
answer = new P_Episode[user.Episodes.Count];
int i = 0;
foreach (P_Episode e in user.Episodes)
{
session.Update(e);
answer[i++] = e;
}
transaction.Commit();
} catch {
if (transaction != null)
{
transaction.Rollback();
throw;
}
} finally {
if (session != null)
{
session.Close();
}
}
return(answer);
}
public P_State[] ListStates(P_Episode episode)
{
P_State[] answer = null;
ISession session = null;
ITransaction transaction = null;
try {
session = factory.OpenSession();
transaction = session.BeginTransaction();
session.Lock(episode, LockMode.None);
answer = new P_State[episode.States.Count];
int i = 0;
foreach (P_State s in episode.States)
{
session.Update(s);
answer[i++] = s;
}
transaction.Commit();
} catch {
if (transaction != null)
{
transaction.Rollback();
throw;
}
} finally {
if (session != null)
{
session.Close();
}
}
return(answer);
}
public virtual void AddEpisode(P_Episode episode)
{
episode.User = this;
if (episodes == null)
{
episodes = new HashedSet();
}
episodes.Add(episode);
if (openEpisode != null)
{
openEpisode.Close();
}
openEpisode = episode;
}
public int SetProblem(int userId, string problemName)
{
int answer = 0;
ISession session = null;
ITransaction transaction = null;
try {
session = factory.OpenSession();
transaction = session.BeginTransaction();
P_User user = session.Load <P_User>(userId);
// If the user has no open Episode, or if the open Episode is for a different problem, we need
// to generate a new Episode
if (user.OpenEpisode == null || user.OpenEpisode.Problem.Name != problemName)
{
ICriteria criterion = session.CreateCriteria(typeof(P_Problem));
criterion.Add(Expression.Eq("Name", problemName));
P_Problem problem = criterion.UniqueResult <P_Problem>();
P_Episode episode = new P_Episode(problem);
user.AddEpisode(episode);
session.Save(problem);
session.Save(episode);
answer = problem.Id;
}
else
{
// requested problem is already associate with the user's open episode, do nothing
answer = user.OpenEpisode.Problem.Id;
}
transaction.Commit();
} catch {
if (transaction != null)
{
transaction.Rollback();
throw;
}
} finally {
if (session != null)
{
session.Close();
}
}
return(answer);
}
public P_User(string emailAddr)
{
this.emailAddr = emailAddr;
this.lastLogin = DateTime.Now;
this.openEpisode = null;
}
